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author | Felipe Heidrich <fheidric> | 2007-01-26 23:22:25 +0000 |
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committer | Felipe Heidrich <fheidric> | 2007-01-26 23:22:25 +0000 |
commit | 9e9b7c1991c514a5ce2c57186a01ce1662a5d135 (patch) | |
tree | 179f650722e43e9fd1203f4f731a66100cb23892 /bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse | |
parent | 0eb9e7eb3f7485c8e21fed125fc140c8cd0774a2 (diff) | |
download | eclipse.platform.swt-9e9b7c1991c514a5ce2c57186a01ce1662a5d135.tar.gz eclipse.platform.swt-9e9b7c1991c514a5ce2c57186a01ce1662a5d135.tar.xz eclipse.platform.swt-9e9b7c1991c514a5ce2c57186a01ce1662a5d135.zip |
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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse')
42 files changed, 34032 insertions, 0 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Button.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Button.java new file mode 100644 index 0000000000..82be7332b6 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Button.java @@ -0,0 +1,559 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class represent a selectable user interface object that + * issues notification when pressed and released. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>ARROW, CHECK, PUSH, RADIO, TOGGLE, FLAT</dd> + * <dd>UP, DOWN, LEFT, RIGHT, CENTER</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection</dd> + * </dl> + * <p> + * Note: Only one of the styles ARROW, CHECK, PUSH, RADIO, and TOGGLE + * may be specified. + * </p><p> + * Note: Only one of the styles LEFT, RIGHT, and CENTER may be specified. + * </p><p> + * Note: Only one of the styles UP, DOWN, LEFT, and RIGHT may be specified + * when the ARROW style is specified. + * </p><p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ + +public class Button extends Control { + String text = ""; + Image image; + int textHandle, imageHandle; + boolean ignoreSelection; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#ARROW + * @see SWT#CHECK + * @see SWT#PUSH + * @see SWT#RADIO + * @see SWT#TOGGLE + * @see SWT#FLAT + * @see SWT#LEFT + * @see SWT#RIGHT + * @see SWT#CENTER + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Button (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is selected, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * <code>widgetSelected</code> is called when the control is selected. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +static int checkStyle (int style) { + style = checkBits (style, SWT.PUSH, SWT.ARROW, SWT.CHECK, SWT.RADIO, SWT.TOGGLE, 0); + if ((style & (SWT.PUSH | SWT.TOGGLE)) != 0) { + return checkBits (style, SWT.CENTER, SWT.LEFT, SWT.RIGHT, 0, 0, 0); + } + if ((style & (SWT.CHECK | SWT.RADIO)) != 0) { + return checkBits (style, SWT.LEFT, SWT.RIGHT, SWT.CENTER, 0, 0, 0); + } + if ((style & SWT.ARROW) != 0) { + style |= SWT.NO_FOCUS; + return checkBits (style, SWT.UP, SWT.DOWN, SWT.LEFT, SWT.RIGHT, 0, 0); + } + return style; +} + +void createArrow () { + int geometry = OS.gcnew_StreamGeometry (); + int context = OS.StreamGeometry_Open (geometry); + int start = 0, point = 0, end = 0; + int mask = SWT.RIGHT | SWT.LEFT | SWT.DOWN | SWT.UP; + switch (style & mask) { + case SWT.RIGHT: + start = OS.gcnew_Point (1, 0); + point = OS.gcnew_Point (4, 3); + end = OS.gcnew_Point (1, 6); + break; + case SWT.LEFT: + start = OS.gcnew_Point (4, 1); + point = OS.gcnew_Point (1, 3); + end = OS.gcnew_Point (4, 6); + break; + case SWT.DOWN: + start = OS.gcnew_Point (0, 1); + point = OS.gcnew_Point (3, 4); + end = OS.gcnew_Point (6, 1); + break; + case SWT.UP: + start = OS.gcnew_Point (0, 4); + point = OS.gcnew_Point (3, 1); + end = OS.gcnew_Point (6, 4); + break; + } + OS.StreamGeometryContext_BeginFigure (context, start, true, true); + OS.StreamGeometryContext_LineTo (context, point, true, true); + OS.StreamGeometryContext_LineTo (context, end, true, true); + OS.StreamGeometryContext_Close (context); + int path = OS.gcnew_Path (); + OS.Path_Data (path, geometry); + int padding = OS.gcnew_Thickness (3, 3, 3, 3); + OS.FrameworkElement_Margin (path, padding); + int brush = OS.Brushes_Black (); + OS.Path_Fill (path, brush); + OS.FrameworkElement_Width (path, 6); + OS.FrameworkElement_Height (path, 6); + OS.FrameworkElement_HorizontalAlignment (path, OS.HorizontalAlignment_Center); + OS.FrameworkElement_VerticalAlignment (path, OS.VerticalAlignment_Center); + OS.ContentControl_Content (handle, path); + OS.GCHandle_Free (padding); + OS.GCHandle_Free (start); + OS.GCHandle_Free (point); + OS.GCHandle_Free (end); + OS.GCHandle_Free (brush); + OS.GCHandle_Free (path); + OS.GCHandle_Free (context); + OS.GCHandle_Free (geometry); +} + +void createHandle () { + if ((style & SWT.PUSH) == 0) state |= THEME_BACKGROUND; + int bits = SWT.TOGGLE | SWT.ARROW | SWT.PUSH | SWT.RADIO | SWT.CHECK; + switch (style & bits) { + case SWT.TOGGLE: + handle = OS.gcnew_ToggleButton (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + break; + case SWT.ARROW: + handle = OS.gcnew_Button (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + createArrow (); + break; + case SWT.RADIO: + handle = OS.gcnew_RadioButton (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + break; + case SWT.CHECK: + handle = OS.gcnew_CheckBox (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + break; + case SWT.PUSH: + default: + handle = OS.gcnew_Button (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + break; + } + if ((style & SWT.ARROW) != 0) return; + int value = OS.HorizontalAlignment_Left; + if ((style & SWT.CENTER) != 0) value = OS.HorizontalAlignment_Center; + if ((style & SWT.RIGHT) != 0) value = OS.HorizontalAlignment_Right; + OS.Control_HorizontalContentAlignment (handle, value); + imageHandle = OS.gcnew_Image (); + if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.Image_Stretch (imageHandle, OS.Stretch_None); + OS.UIElement_Visibility (imageHandle, OS.Visibility_Collapsed); + textHandle = OS.gcnew_AccessText (); + if (textHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_VerticalAlignment (textHandle, OS.VerticalAlignment_Center); + int panel = OS.gcnew_StackPanel (); + if (panel == 0) error (SWT.ERROR_NO_HANDLES); + OS.StackPanel_Orientation (panel, OS.Orientation_Horizontal); + int thickness = OS.gcnew_Thickness (1, 1, 1, 1); + if (thickness == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_Margin (panel, thickness); + OS.GCHandle_Free(thickness); + int children = OS.Panel_Children (panel); + OS.UIElementCollection_Add (children, imageHandle); + OS.UIElementCollection_Add (children, textHandle); + OS.ContentControl_Content (handle, panel); + OS.GCHandle_Free (children); + OS.GCHandle_Free (panel); +} + +int defaultBackground () { + if ((style & SWT.PUSH) == 0) return OS.SystemColors_ControlColor; + return 0; +} + +/** + * Returns a value which describes the position of the + * text or image in the receiver. The value will be one of + * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code> + * unless the receiver is an <code>ARROW</code> button, in + * which case, the alignment will indicate the direction of + * the arrow (one of <code>LEFT</code>, <code>RIGHT</code>, + * <code>UP</code> or <code>DOWN</code>). + * + * @return the alignment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getAlignment () { + checkWidget (); + if ((style & SWT.ARROW) != 0) { + if ((style & SWT.UP) != 0) return SWT.UP; + if ((style & SWT.DOWN) != 0) return SWT.DOWN; + if ((style & SWT.LEFT) != 0) return SWT.LEFT; + if ((style & SWT.RIGHT) != 0) return SWT.RIGHT; + return SWT.UP; + } + if ((style & SWT.LEFT) != 0) return SWT.LEFT; + if ((style & SWT.CENTER) != 0) return SWT.CENTER; + if ((style & SWT.RIGHT) != 0) return SWT.RIGHT; + return SWT.LEFT; +} + +/** + * Returns the receiver's image if it has one, or null + * if it does not. + * + * @return the receiver's image + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Image getImage () { + checkWidget (); + return image; +} + +String getNameText () { + return getText (); +} + +/** + * Returns <code>true</code> if the receiver is selected, + * and false otherwise. + * <p> + * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, + * it is selected when it is checked. When it is of type <code>TOGGLE</code>, + * it is selected when it is pushed in. If the receiver is of any other type, + * this method returns false. + * + * @return the selection state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getSelection () { + checkWidget (); + if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return false; + return OS.ToggleButton_IsChecked (handle); +} + +/** + * Returns the receiver's text, which will be an empty + * string if it has never been set or if the receiver is + * an <code>ARROW</code> button. + * + * @return the receiver's text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getText () { + checkWidget (); + if ((style & SWT.ARROW) != 0) return ""; + return text; +} + +void HandleClick (int sender, int e) { + if (!checkEvent (e)) return; + if (!ignoreSelection) postEvent (SWT.Selection); +} + +void hookEvents () { + super.hookEvents (); + if ((style & (SWT.TOGGLE | SWT.RADIO | SWT.CHECK)) != 0) { + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleClick"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.ToggleButton_Checked (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleClick"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.ToggleButton_Unchecked (handle, handler); + OS.GCHandle_Free (handler); + } else { + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleClick"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.ButtonBase_Click (handle, handler); + OS.GCHandle_Free (handler); + } +} + +boolean isTabItem () { + //TEMPORARY CODE + //if ((style & SWT.PUSH) != 0) return true; + return super.isTabItem (); +} + +boolean mnemonicHit (char ch) { + //TODO + return false; +} + +boolean mnemonicMatch (char key) { + return super.mnemonicMatch (textHandle, key); +} + +void releaseHandle() { + super.releaseHandle (); + if (textHandle != 0) OS.GCHandle_Free (textHandle); + textHandle = 0; + if (imageHandle !=0 )OS.GCHandle_Free (imageHandle); + imageHandle = 0; +} + +void releaseWidget () { + super.releaseWidget (); + text = null; + image = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is selected. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Controls how text, images and arrows will be displayed + * in the receiver. The argument should be one of + * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code> + * unless the receiver is an <code>ARROW</code> button, in + * which case, the argument indicates the direction of + * the arrow (one of <code>LEFT</code>, <code>RIGHT</code>, + * <code>UP</code> or <code>DOWN</code>). + * + * @param alignment the new alignment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setAlignment (int alignment) { + checkWidget (); + if ((style & SWT.ARROW) != 0) { + if ((style & (SWT.UP | SWT.DOWN | SWT.LEFT | SWT.RIGHT)) == 0) return; + style &= ~(SWT.UP | SWT.DOWN | SWT.LEFT | SWT.RIGHT); + style |= alignment & (SWT.UP | SWT.DOWN | SWT.LEFT | SWT.RIGHT); + createArrow (); + return; + } + if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return; + style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER); + style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER); + int value = OS.HorizontalAlignment_Left; + if ((style & SWT.CENTER) != 0) value = OS.HorizontalAlignment_Center; + if ((style & SWT.RIGHT) != 0) value = OS.HorizontalAlignment_Right; + OS.Control_HorizontalContentAlignment (handle, value); +} + +void setDefault (boolean value) { + if ((style & SWT.PUSH) == 0) return; + OS.Button_IsDefault (handle, value); +} + +/** + * Sets the receiver's image to the argument, which may be + * <code>null</code> indicating that no image should be displayed. + * + * @param image the image to display on the receiver (may be <code>null</code>) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setImage (Image image) { + checkWidget (); + if (image != null && image.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + if ((style & SWT.ARROW) != 0) return; + this.image = image; + OS.Image_Source (imageHandle, image != null ? image.handle : 0); + OS.UIElement_Visibility (imageHandle, image != null ? OS.Visibility_Visible : OS.Visibility_Collapsed); + OS.UIElement_Visibility (textHandle, image != null && text.length () == 0 ? OS.Visibility_Collapsed : OS.Visibility_Visible); + int spacing = image != null && text.length ()!= 0 ? 3 : 0; + int margin = OS.gcnew_Thickness (0, 0, spacing, 0); + if (margin == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_Margin (imageHandle, margin); + OS.GCHandle_Free (margin); +} + +/** + * Sets the selection state of the receiver, if it is of type <code>CHECK</code>, + * <code>RADIO</code>, or <code>TOGGLE</code>. + * + * <p> + * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, + * it is selected when it is checked. When it is of type <code>TOGGLE</code>, + * it is selected when it is pushed in. + * + * @param selected the new selection state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (boolean selected) { + checkWidget (); + if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return; + ignoreSelection = true; + OS.ToggleButton_IsChecked (handle, selected); + ignoreSelection = false; +} + +/** + * Sets the receiver's text. + * <p> + * This method sets the button label. The label may include + * the mnemonic character but must not contain line delimiters. + * </p> + * <p> + * Mnemonics are indicated by an '&' that causes the next + * character to be the mnemonic. When the user presses a + * key sequence that matches the mnemonic, a selection + * event occurs. On most platforms, the mnemonic appears + * underlined but may be emphasised in a platform specific + * manner. The mnemonic indicator character '&' can be + * escaped by doubling it in the string, causing a single + * '&' to be displayed. + * </p> + * + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if ((style & SWT.ARROW) != 0) return; + if (string.equals (text)) return; + text = string; + int strPtr = createDotNetString (text, true); + if (strPtr == 0) error (SWT.ERROR_NO_HANDLES); + OS.AccessText_Text (textHandle, strPtr); + OS.GCHandle_Free (strPtr); + OS.UIElement_Visibility (textHandle, string.length () == 0 && image != null ? OS.Visibility_Collapsed : OS.Visibility_Visible); + int spacing = image != null && text.length () != 0 ? 3 : 0; + int margin = OS.gcnew_Thickness (0, 0, spacing, 0); + if (margin == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_Margin (imageHandle, margin); + OS.GCHandle_Free (margin); +} + +int traversalCode (int key, int event) { + int code = super.traversalCode (key, event); + if ((style & SWT.RADIO) != 0) code |= SWT.TRAVERSE_ARROW_NEXT | SWT.TRAVERSE_ARROW_PREVIOUS; + return code; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Canvas.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Canvas.java new file mode 100644 index 0000000000..6e89c1492c --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Canvas.java @@ -0,0 +1,249 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class provide a surface for drawing + * arbitrary graphics. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * This class may be subclassed by custom control implementors + * who are building controls that are <em>not</em> constructed + * from aggregates of other controls. That is, they are either + * painted using SWT graphics calls or are handled by native + * methods. + * </p> + * + * @see Composite + */ + +public class Canvas extends Composite { + Caret caret; + +/** + * Prevents uninitialized instances from being created outside the package. + */ +Canvas () { +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Canvas (Composite parent, int style) { + super (parent, style); +} + +void clearArea (int x, int y, int width, int height) { + checkWidget (); +// if (OS.IsWindowVisible (handle)) { +// RECT rect = new RECT (); +// OS.SetRect (rect, x, y, x + width, y + height); +// int hDC = OS.GetDCEx (handle, 0, OS.DCX_CACHE | OS.DCX_CLIPCHILDREN | OS.DCX_CLIPSIBLINGS); +// drawBackground (hDC, rect); +// OS.ReleaseDC (handle, hDC); +// } +} + +/** + * Returns the caret. + * <p> + * The caret for the control is automatically hidden + * and shown when the control is painted or resized, + * when focus is gained or lost and when an the control + * is scrolled. To avoid drawing on top of the caret, + * the programmer must hide and show the caret when + * drawing in the window any other time. + * </p> + * + * @return the caret + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Caret getCaret () { + checkWidget (); + return caret; +} + +int getCaretHandle () { + if (caret != null && !caret.isDisposed()) { + return caret.handle; + } + return 0; +} + +void releaseChildren (boolean destroy) { + super.releaseChildren (destroy); + if (caret != null) { + caret.release (false); + caret = null; + } +} + +/** + * Fills the interior of the rectangle specified by the arguments, + * with the receiver's background. + * + * @param gc the gc where the rectangle is to be filled + * @param x the x coordinate of the rectangle to be filled + * @param y the y coordinate of the rectangle to be filled + * @param width the width of the rectangle to be filled + * @param height the height of the rectangle to be filled + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the gc is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the gc has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void drawBackground (GC gc, int x, int y, int width, int height) { + checkWidget (); + if (gc == null) error (SWT.ERROR_NULL_ARGUMENT); + if (gc.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + //int pixel = background == -1 ? gc.getBackground ().handle : -1; + //TODO WHAT COLOR TO USE ? + + gc.fillRectangle (x, y, width, height); +// int drawingContext = gc.handle; +// int color = getBackgroundColor (); +// int brush = OS.gcnew_SolidColorBrush (color); +// int rect = OS.gcnew_Rect (x, y, width, height); +// OS.DrawingContext_DrawRectangle (drawingContext, brush, 0, rect); +// OS.GCHandle_Free (rect); +// OS.GCHandle_Free (brush); +} + +/** + * Scrolls a rectangular area of the receiver by first copying + * the source area to the destination and then causing the area + * of the source which is not covered by the destination to + * be repainted. Children that intersect the rectangle are + * optionally moved during the operation. In addition, outstanding + * paint events are flushed before the source area is copied to + * ensure that the contents of the canvas are drawn correctly. + * + * @param destX the x coordinate of the destination + * @param destY the y coordinate of the destination + * @param x the x coordinate of the source + * @param y the y coordinate of the source + * @param width the width of the area + * @param height the height of the area + * @param all <code>true</code>if children should be scrolled, and <code>false</code> otherwise + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void scroll (int destX, int destY, int x, int y, int width, int height, boolean all) { + checkWidget (); +// boolean isFocus = caret != null && caret.isFocusCaret (); +// if (isFocus) caret.killFocus (); + //TODO + redraw (false); +// if (isFocus) caret.setFocus (); +} + +/** + * Sets the receiver's caret. + * <p> + * The caret for the control is automatically hidden + * and shown when the control is painted or resized, + * when focus is gained or lost and when an the control + * is scrolled. To avoid drawing on top of the caret, + * the programmer must hide and show the caret when + * drawing in the window any other time. + * </p> + * @param caret the new caret for the receiver, may be null + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the caret has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setCaret (Caret caret) { + checkWidget (); + if (caret != null && caret.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); + int children = OS.Panel_Children (handle); + if (this.caret != null) { + OS.UIElementCollection_Remove (children, this.caret.handle); + } + this.caret = caret; + if (caret != null) { + OS.UIElementCollection_Insert (children, 0, caret.handle); + if (hasFocus ()) caret.show (); + } + OS.GCHandle_Free (children); +} + +public void setFont (Font font) { + checkWidget (); + if (caret != null) caret.setFont (font); + super.setFont (font); +} + +void HandlePreviewGotKeyboardFocus (int sender, int e) { + if (!checkEvent (e)) return; + super.HandlePreviewGotKeyboardFocus (sender, e); + if (caret != null) caret.show (); +} + +void HandlePreviewLostKeyboardFocus (int sender, int e) { + if (!checkEvent (e)) return; + super.HandlePreviewLostKeyboardFocus (sender, e); + if (caret != null) caret.hide (); +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Caret.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Caret.java new file mode 100644 index 0000000000..6c0f586a87 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Caret.java @@ -0,0 +1,523 @@ +/******************************************************************************* + * Copyright (c) 2000, 2005 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class provide an i-beam that is typically used + * as the insertion point for text. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ + +public class Caret extends Widget { + Canvas parent; + int x, y, width, height; + int imageHandle; + boolean isVisible; + Image image; + Font font; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Caret (Canvas parent, int style) { + super (parent, style); + this.parent = parent; + createWidget (); +} + +void createWidget () { + createHandle (); + if (parent.getCaret () == null) { + parent.setCaret (this); + } +} + +void createHandle() { + handle = OS.gcnew_StackPanel (); + //handle = OS.gcnew_ContentControl (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + + int animation = OS.gcnew_DoubleAnimationUsingKeyFrames (); + if (animation == 0) error (SWT.ERROR_NO_HANDLES); + int timespan = OS.gcnew_TimeSpan (6000000); + if (timespan == 0) error (SWT.ERROR_NO_HANDLES); + int duration = OS.gcnew_Duration (timespan); + if (duration == 0) error (SWT.ERROR_NO_HANDLES); + int repeatBehavior = OS.RepeatBehavior_Forever(); + + OS.Timeline_AutoReverse(animation, true); + OS.Timeline_Duration(animation, duration); + OS.Timeline_RepeatBehavior(animation, repeatBehavior); + int keyFrames = OS.DoubleAnimationUsingKeyFrames_KeyFrames(animation); + int keyTime = OS.KeyTime_Uniform(); + int keyFrame0 = OS.gcnew_DiscreteDoubleKeyFrame(0, keyTime); + int keyFrame1 = OS.gcnew_DiscreteDoubleKeyFrame(0, keyTime); + OS.DoubleKeyFrameCollection_Add(keyFrames, keyFrame0); + OS.DoubleKeyFrameCollection_Add(keyFrames, keyFrame1); + int opacityProperty = OS.UIElement_OpacityProperty(); + OS.UIElement_BeginAnimation(handle, opacityProperty, animation); + + int brush = OS.SystemColors_ControlTextBrush (); + OS.Panel_Background(handle, brush); + + imageHandle = OS.gcnew_Image (); + if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.Image_Stretch (imageHandle, OS.Stretch_None); + OS.UIElement_Visibility (imageHandle, OS.Visibility_Collapsed); + + int children = OS.Panel_Children (handle); + OS.UIElementCollection_Add (children, imageHandle); + OS.GCHandle_Free (children); + hide (); + OS.GCHandle_Free(brush); + OS.GCHandle_Free(opacityProperty); + OS.GCHandle_Free(keyFrames); + OS.GCHandle_Free(keyTime); + OS.GCHandle_Free(keyFrame0); + OS.GCHandle_Free(keyFrame1); + OS.GCHandle_Free(animation); + OS.GCHandle_Free(duration); + OS.GCHandle_Free(timespan); + OS.GCHandle_Free(repeatBehavior); +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent (or its display if its parent is null). + * + * @return the receiver's bounding rectangle + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Rectangle getBounds () { + checkWidget(); + if (image != null) { + Rectangle rect = image.getBounds (); + return new Rectangle (x, y, rect.width, rect.height); + } + return new Rectangle (x, y, width, height); +} + +/** + * Returns the font that the receiver will use to paint textual information. + * + * @return the receiver's font + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Font getFont () { + checkWidget(); + if (font == null) { + return parent.display.systemFont; + } + return font; +} + +/** + * Returns the image that the receiver will use to paint the caret. + * + * @return the receiver's image + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Image getImage () { + checkWidget(); + return image; +} + +/** + * Returns a point describing the receiver's location relative + * to its parent (or its display if its parent is null). + * + * @return the receiver's location + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Point getLocation () { + checkWidget(); + return new Point (x, y); +} + +/** + * Returns the receiver's parent, which must be a <code>Canvas</code>. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Canvas getParent () { + checkWidget(); + return parent; +} + +/** + * Returns a point describing the receiver's size. + * + * @return the receiver's size + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Point getSize () { + checkWidget(); + if (image != null) { + Rectangle rect = image.getBounds (); + return new Point (rect.width, rect.height); + } + return new Point (width, height); +} + +/** + * Returns <code>true</code> if the receiver is visible, and + * <code>false</code> otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, this method + * may still indicate that it is considered visible even though + * it may not actually be showing. + * </p> + * + * @return the receiver's visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getVisible () { + checkWidget (); + return isVisible; +} + +boolean hasFocus () { + return OS.UIElement_IsKeyboardFocused (parent.handle); +} + +boolean isFocusCaret () { + return parent.caret == this && hasFocus (); +} + +/** + * Returns <code>true</code> if the receiver is visible and all + * of the receiver's ancestors are visible and <code>false</code> + * otherwise. + * + * @return the receiver's visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getVisible + */ +public boolean isVisible () { + checkWidget(); + return OS.UIElement_IsVisible (handle) && parent.isVisible () && hasFocus (); +} + +void hide () { + OS.UIElement_Visibility (handle, OS.Visibility_Collapsed); +} + +void move (int x, int y) { + OS.Canvas_SetLeft (handle, x); + OS.Canvas_SetTop (handle, y); +} + +void releaseHandle() { + if (imageHandle != 0) OS.GCHandle_Free (imageHandle); + imageHandle = 0; + super.releaseHandle (); +} + +void releaseParent () { + super.releaseParent (); + if (this == parent.getCaret ()) parent.setCaret (null); +} + +void releaseWidget () { + super.releaseWidget (); + parent = null; + image = null; + font = null; +} + +void resize (int width, int height) { + if (image != null) { + Rectangle rect = image.getBounds(); + width = rect.width; + height = rect.height; + } + if (width == 0) width = 1; + OS.FrameworkElement_Width (handle, width); + OS.FrameworkElement_Height (handle, height); +} + +/** + * Sets the receiver's size and location to the rectangular + * area specified by the arguments. The <code>x</code> and + * <code>y</code> arguments are relative to the receiver's + * parent (or its display if its parent is null). + * + * @param x the new x coordinate for the receiver + * @param y the new y coordinate for the receiver + * @param width the new width for the receiver + * @param height the new height for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setBounds (int x, int y, int width, int height) { + checkWidget(); + boolean samePosition = this.x == x && this.y == y; + boolean sameExtent = this.width == width && this.height == height; + if (samePosition && sameExtent) return; + this.x = x; this.y = y; + this.width = width; this.height = height; + if (!sameExtent) resize (width, height); + if (!samePosition) move (x, y); +} + +/** + * Sets the receiver's size and location to the rectangular + * area specified by the argument. The <code>x</code> and + * <code>y</code> fields of the rectangle are relative to + * the receiver's parent (or its display if its parent is null). + * + * @param rect the new bounds for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setBounds (Rectangle rect) { + if (rect == null) error (SWT.ERROR_NULL_ARGUMENT); + setBounds (rect.x, rect.y, rect.width, rect.height); +} + +void show () { + OS.UIElement_Visibility (handle, OS.Visibility_Visible); +} + +/** + * Sets the font that the receiver will use to paint textual information + * to the font specified by the argument, or to the default font for that + * kind of control if the argument is null. + * + * @param font the new font (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the font has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setFont (Font font) { + checkWidget(); + if (font != null && font.isDisposed ()) { + error (SWT.ERROR_INVALID_ARGUMENT); + } + this.font = font; +} + +/** + * Sets the image that the receiver will use to paint the caret + * to the image specified by the argument, or to the default + * which is a filled rectangle if the argument is null + * + * @param image the new image (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setImage (Image image) { + checkWidget(); + if (image != null && image.isDisposed ()) { + error (SWT.ERROR_INVALID_ARGUMENT); + } + this.image = image; + if (image != null) { + OS.Image_Source (imageHandle, image.handle); + OS.UIElement_Visibility (imageHandle, OS.Visibility_Visible); + } else { + OS.Image_Source (imageHandle, 0); + OS.UIElement_Visibility (imageHandle, OS.Visibility_Collapsed); + } + resize (width, height); +} + +/** + * Sets the receiver's location to the point specified by + * the arguments which are relative to the receiver's + * parent (or its display if its parent is null). + * + * @param x the new x coordinate for the receiver + * @param y the new y coordinate for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setLocation (int x, int y) { + checkWidget(); + if (this.x == x && this.y == y) return; + this.x = x; this.y = y; + move (x, y); +} + +/** + * Sets the receiver's location to the point specified by + * the argument which is relative to the receiver's + * parent (or its display if its parent is null). + * + * @param location the new location for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setLocation (Point location) { + checkWidget(); + if (location == null) error (SWT.ERROR_NULL_ARGUMENT); + setLocation (location.x, location.y); +} + +/** + * Sets the receiver's size to the point specified by the arguments. + * + * @param width the new width for the receiver + * @param height the new height for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSize (int width, int height) { + checkWidget(); + if (this.width == width && this.height == height) return; + this.width = width; this.height = height; + resize (width, height); +} + +/** + * Sets the receiver's size to the point specified by the argument. + * + * @param size the new extent for the receiver + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSize (Point size) { + checkWidget(); + if (size == null) error (SWT.ERROR_NULL_ARGUMENT); + setSize (size.x, size.y); +} + +/** + * Marks the receiver as visible if the argument is <code>true</code>, + * and marks it invisible otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, marking + * it visible may not actually cause it to be displayed. + * </p> + * + * @param visible the new visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setVisible (boolean visible) { + checkWidget(); + if (visible == isVisible) return; + isVisible = visible; + if (!hasFocus()) return; + OS.UIElement_Visibility(handle, visible ? OS.Visibility_Visible : OS.Visibility_Hidden); +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ColorDialog.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ColorDialog.java new file mode 100644 index 0000000000..75564dcb8a --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ColorDialog.java @@ -0,0 +1,154 @@ +/******************************************************************************* + * Copyright (c) 2000, 2005 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class allow the user to select a color + * from a predefined set of available colors. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ + +public class ColorDialog extends Dialog { + RGB rgb; + +/** + * Constructs a new instance of this class given only its parent. + * + * @param parent a composite control which will be the parent of the new instance + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public ColorDialog (Shell parent) { + this (parent, SWT.PRIMARY_MODAL); +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public ColorDialog (Shell parent, int style) { + super (parent, style); + checkSubclass (); +} + +/** + * Returns the currently selected color in the receiver. + * + * @return the RGB value for the selected color, may be null + * + * @see PaletteData#getRGBs + */ +public RGB getRGB () { + return rgb; +} + +/** + * Makes the receiver visible and brings it to the front + * of the display. + * + * @return the selected color, or null if the dialog was + * cancelled, no color was selected, or an error + * occurred + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public RGB open () { + int dialog = OS.gcnew_ColorDialog(); + if (rgb != null) { + int color = OS.DrawingColor_FromArgb(174, rgb.red, rgb.blue, rgb.green); + OS.ColorDialog_Color(dialog, color); + OS.GCHandle_Free(color); + } + Display display = parent.getDisplay(); + int customColors = display.customColors; + OS.ColorDialog_AnyColor(dialog, true); + OS.ColorDialog_CustomColors(dialog, customColors); + int result = OS.FormsCommonDialog_ShowDialog(dialog); + RGB rgb = null; + if (result == OS.DialogResult_OK) { + int color = OS.ColorDialog_Color(dialog); + int argb = OS.DrawingColor_ToArgb(color); + int red = (argb & 0xFF0000) >> 16; + int green = (argb & 0xFF00) >> 8; + int blue = argb & 0xFF; + OS.GCHandle_Free (color); + rgb = new RGB(red, green, blue); + if (customColors != 0) OS.GCHandle_Free(customColors); + display.customColors = OS.ColorDialog_CustomColors(dialog); + } + OS.GCHandle_Free(dialog); + return rgb; +} + +/** + * Sets the receiver's selected color to be the argument. + * + * @param rgb the new RGB value for the selected color, may be + * null to let the platform select a default when + * open() is called + * @see PaletteData#getRGBs + */ +public void setRGB (RGB rgb) { + this.rgb = rgb; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Combo.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Combo.java new file mode 100644 index 0000000000..f08e79928e --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Combo.java @@ -0,0 +1,1279 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.SWT; +import org.eclipse.swt.SWTException; +import org.eclipse.swt.events.ModifyListener; +import org.eclipse.swt.events.SelectionEvent; +import org.eclipse.swt.events.SelectionListener; +import org.eclipse.swt.events.VerifyListener; +import org.eclipse.swt.graphics.Point; +import org.eclipse.swt.internal.wpf.OS; + +/** + * Instances of this class are controls that allow the user + * to choose an item from a list of items, or optionally + * enter a new value by typing it into an editable text + * field. Often, <code>Combo</code>s are used in the same place + * where a single selection <code>List</code> widget could + * be used but space is limited. A <code>Combo</code> takes + * less space than a <code>List</code> widget and shows + * similar information. + * <p> + * Note: Since <code>Combo</code>s can contain both a list + * and an editable text field, it is possible to confuse methods + * which access one versus the other (compare for example, + * <code>clearSelection()</code> and <code>deselectAll()</code>). + * The API documentation is careful to indicate either "the + * receiver's list" or the "the receiver's text field" to + * distinguish between the two cases. + * </p><p> + * Note that although this class is a subclass of <code>Composite</code>, + * it does not make sense to add children to it, or set a layout on it. + * </p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>DROP_DOWN, READ_ONLY, SIMPLE</dd> + * <dt><b>Events:</b></dt> + * <dd>DefaultSelection, Modify, Selection, Verify</dd> + * </dl> + * <p> + * Note: Only one of the styles DROP_DOWN and SIMPLE may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + * + * @see List + */ + +public class Combo extends Composite { + int textHandle; + boolean ignoreSelection; + + /** + * the operating system limit for the number of characters + * that the text field in an instance of this class can hold + */ + public static final int LIMIT; + + /* + * These values can be different on different platforms. + * Therefore they are not initialized in the declaration + * to stop the compiler from inlining. + */ + static { + LIMIT = 0x7FFFFFFF; + } + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#DROP_DOWN + * @see SWT#READ_ONLY + * @see SWT#SIMPLE + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Combo (Composite parent, int style) { + super (parent, checkStyle (style)); + /* This code is intentionally commented */ + //if ((style & SWT.H_SCROLL) != 0) this.style |= SWT.H_SCROLL; + this.style |= SWT.H_SCROLL; +} + +Control [] _getChildren () { + return new Control [0]; +} + +/** + * Adds the argument to the end of the receiver's list. + * + * @param string the new item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #add(String,int) + */ +public void add (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int itemHandle = OS.gcnew_ComboBoxItem (); + int strPtr = createDotNetString (string, false); + OS.ContentControl_Content (itemHandle, strPtr); + OS.GCHandle_Free (strPtr); + int itemCollection = OS.ItemsControl_Items (handle); + OS.ItemCollection_Add (itemCollection, itemHandle); + OS.GCHandle_Free (itemCollection); + OS.GCHandle_Free (itemHandle); +} + +/** + * Adds the argument to the receiver's list at the given + * zero-relative index. + * <p> + * Note: To add an item at the end of the list, use the + * result of calling <code>getItemCount()</code> as the + * index or use <code>add(String)</code>. + * </p> + * + * @param string the new item + * @param index the index for the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #add(String) + */ +public void add (String string, int index) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int itemHandle = OS.gcnew_ComboBoxItem (); + int strPtr = createDotNetString (string, false); + OS.ContentControl_Content (itemHandle, strPtr); + OS.GCHandle_Free (strPtr); + int itemCollection = OS.ItemsControl_Items (handle); + OS.ItemCollection_Insert (itemCollection, index, itemHandle); + OS.GCHandle_Free (itemCollection); + OS.GCHandle_Free (itemHandle); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's text is modified, by sending + * it one of the messages defined in the <code>ModifyListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ModifyListener + * @see #removeModifyListener + */ +public void addModifyListener (ModifyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Modify, typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's selection changes, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * <code>widgetSelected</code> is called when the combo's list selection changes. + * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed the combo's text area. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's text is verified, by sending + * it one of the messages defined in the <code>VerifyListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see VerifyListener + * @see #removeVerifyListener + * + * @since 3.1 + */ +public void addVerifyListener (VerifyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Verify, typedListener); +} + +void addWidget () { + super.addWidget (); + if ((style & SWT.READ_ONLY) == 0) { + OS.UIElement_UpdateLayout (handle); + int name = createDotNetString ("PART_EditableTextBox", false); + int template = OS.Control_Template (handle); + textHandle = OS.FrameworkTemplate_FindName (template, name, handle); + OS.GCHandle_Free (name); + OS.GCHandle_Free (template); + } +} + +int backgroundProperty () { + return OS.Control_BackgroundProperty (); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +static int checkStyle (int style) { + /* + * Feature in Windows. It is not possible to create + * a combo box that has a border using Windows style + * bits. All combo boxes draw their own border and + * do not use the standard Windows border styles. + * Therefore, no matter what style bits are specified, + * clear the BORDER bits so that the SWT style will + * match the Windows widget. + * + * The Windows behavior is currently implemented on + * all platforms. + */ + style &= ~SWT.BORDER; + + /* + * Even though it is legal to create this widget + * with scroll bars, they serve no useful purpose + * because they do not automatically scroll the + * widget's client area. The fix is to clear + * the SWT style. + */ + style &= ~(SWT.H_SCROLL | SWT.V_SCROLL); + style = checkBits (style, SWT.DROP_DOWN, SWT.SIMPLE, 0, 0, 0, 0); + if ((style & SWT.SIMPLE) != 0) return style & ~SWT.READ_ONLY; + return style; +} + +/** + * Sets the selection in the receiver's text field to an empty + * selection starting just before the first character. If the + * text field is editable, this has the effect of placing the + * i-beam at the start of the text. + * <p> + * Note: To clear the selected items in the receiver's list, + * use <code>deselectAll()</code>. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #deselectAll + */ +public void clearSelection () { + checkWidget (); + if ((style & SWT.READ_ONLY) == 0) { + OS.TextBox_Select (textHandle, 0, 0); + } +} + +public Point computeSize (int wHint, int hHint, boolean changed) { + checkWidget (); + ignoreSelection = true; + int itemCount = getItemCount(); + int text = 0; + if (textHandle != 0) { + text = OS.TextBox_Text (textHandle); + } + int selectedIndex = OS.Selector_SelectedIndex (handle); + int width = wHint, height = hHint; + if (wHint == SWT.DEFAULT) width = 0x7FFFFFFF; + if (hHint == SWT.DEFAULT) height = 0x7FFFFFFF; + width = Math.max (0, width); + height = Math.max (0, height); + int availSize = OS.gcnew_Size ((double) width, (double) height); + if (availSize == 0) error (SWT.ERROR_NO_HANDLES); + double requestWidth = OS.FrameworkElement_Width (handle); + double requestHeight = OS.FrameworkElement_Height (handle); + int widthDP = OS.FrameworkElement_WidthProperty (); + int heightDP = OS.FrameworkElement_HeightProperty (); + OS.DependencyObject_ClearValue (handle, widthDP); + OS.DependencyObject_ClearValue (handle, heightDP); + OS.UIElement_Measure (handle, availSize); + int size = OS.UIElement_DesiredSize (handle); + width = (int) OS.Size_Width (size); + height = (int) OS.Size_Height (size); + OS.GCHandle_Free (size); + for (int i = 0; i < itemCount; i++) { + OS.Selector_SelectedIndex (handle, i); + OS.UIElement_UpdateLayout (handle); + OS.UIElement_Measure (handle, availSize); + size = OS.UIElement_DesiredSize (handle); + width = Math.max (width, (int) OS.Size_Width (size)); + height = Math.max (height, (int) OS.Size_Height (size)); + OS.GCHandle_Free (size); + } + OS.GCHandle_Free (availSize); + OS.FrameworkElement_Width (handle, requestWidth); + OS.FrameworkElement_Height (handle, requestHeight); + OS.Selector_SelectedIndex (handle, selectedIndex); + if (textHandle != 0) { + OS.TextBox_Text (textHandle, text); + OS.GCHandle_Free (text); + } + OS.GCHandle_Free (widthDP); + OS.GCHandle_Free (heightDP); + if (wHint != SWT.DEFAULT) width = wHint; + if (hHint != SWT.DEFAULT) height = hHint; + ignoreSelection = false; + return new Point (width, height); +} + +/** + * Copies the selected text. + * <p> + * The current selection is copied to the clipboard. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.1 + */ +public void copy () { + checkWidget (); + if ((style & SWT.READ_ONLY) != 0) return; //TODO + OS.TextBoxBase_Copy (textHandle); +} + +void createHandle () { + handle = OS.gcnew_ComboBox (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + if ((style & SWT.READ_ONLY) == 0) { + OS.ComboBox_IsEditable (handle, true); + } +} + +/** + * Cuts the selected text. + * <p> + * The current selection is first copied to the + * clipboard and then deleted from the widget. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.1 + */ +public void cut () { + checkWidget (); + if ((style & SWT.READ_ONLY) != 0) return; + OS.TextBoxBase_Cut (textHandle); +} + +/** + * Deselects the item at the given zero-relative index in the receiver's + * list. If the item at the index was already deselected, it remains + * deselected. Indices that are out of range are ignored. + * + * @param index the index of the item to deselect + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void deselect (int index) { + checkWidget (); + ignoreSelection = true; + OS.Selector_SelectedIndex (handle, -1); + ignoreSelection = false; +// FIXME: May need to send modify event here. +// if ((style & SWT.READ_ONLY) == 0) { +// sendEvent (SWT.Modify); +// } +} + +/** + * Deselects all selected items in the receiver's list. + * <p> + * Note: To clear the selection in the receiver's text field, + * use <code>clearSelection()</code>. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #clearSelection + */ +public void deselectAll () { + checkWidget (); + ignoreSelection = true; + OS.Selector_SelectedIndex (handle, -1); + ignoreSelection = false; +} + +/** + * Returns the item at the given, zero-relative index in the + * receiver's list. Throws an exception if the index is out + * of range. + * + * @param index the index of the item to return + * @return the item at the given index + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getItem (int index) { + checkWidget (); + int count = getItemCount (); + if (index < 0 || index >= count) error (SWT.ERROR_INVALID_RANGE); + int itemCollection = OS.ItemsControl_Items (handle); + int comboBoxItem = OS.ItemCollection_GetItemAt (itemCollection, index); + OS.GCHandle_Free (itemCollection); + int content = OS.ContentControl_Content (comboBoxItem); + String string = createJavaString(content); + OS.GCHandle_Free (comboBoxItem); + OS.GCHandle_Free (content); + return string; +} + +/** + * Returns the number of items contained in the receiver's list. + * + * @return the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemCount () { + checkWidget (); + int itemCollection = OS.ItemsControl_Items (handle); + int count = OS.ItemCollection_Count (itemCollection); + OS.GCHandle_Free (itemCollection); + return count; +} + +/** + * Returns the height of the area which would be used to + * display <em>one</em> of the items in the receiver's list. + * + * @return the height of one item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemHeight () { + checkWidget (); + //todo + int result = 0; +// if (result == OS.CB_ERR) error (SWT.ERROR_CANNOT_GET_ITEM_HEIGHT); + return result; +} + +/** + * Returns a (possibly empty) array of <code>String</code>s which are + * the items in the receiver's list. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the items in the receiver's list + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String [] getItems () { + checkWidget (); + int count = getItemCount (); + String [] result = new String [count]; + for (int i=0; i<count; i++) result [i] = getItem (i); + return result; +} + +/** + * Returns <code>true</code> if the receiver's list is visible, + * and <code>false</code> otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, this method + * may still indicate that it is considered visible even though + * it may not actually be showing. + * </p> + * + * @return the receiver's list's visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.3 + */ +/*public*/ boolean getListVisible () { + checkWidget (); + return OS.ComboBox_IsDropDownOpen (handle); +} + +String getNameText () { + return getText (); +} + +/** + * Returns the orientation of the receiver. + * + * @return the orientation style + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.1.2 + */ +public int getOrientation () { + checkWidget (); + return style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT); +} + +/** + * Returns a <code>Point</code> whose x coordinate is the + * character position representing the start of the selection + * in the receiver's text field, and whose y coordinate is the + * character position representing the end of the selection. + * An "empty" selection is indicated by the x and y coordinates + * having the same value. + * <p> + * Indexing is zero based. The range of a selection is from + * 0..N where N is the number of characters in the widget. + * </p> + * + * @return a point representing the selection start and end + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Point getSelection () { + checkWidget (); + if ((style & SWT.READ_ONLY) != 0) return new Point (0,0); + int start = OS.TextBox_SelectionStart (textHandle); + int length = OS.TextBox_SelectionLength (textHandle); + return new Point (start, start + length); +} + +/** + * Returns the zero-relative index of the item which is currently + * selected in the receiver's list, or -1 if no item is selected. + * + * @return the index of the selected item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelectionIndex () { + checkWidget (); + return OS.Selector_SelectedIndex (handle); +} + +/** + * Returns a string containing a copy of the contents of the + * receiver's text field, or an empty string if there are no + * contents. + * + * @return the receiver's text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getText () { + checkWidget (); + String text; + if ((style & SWT.READ_ONLY) != 0) { + int item = OS.ComboBox_SelectionBoxItem (handle); + text = createJavaString (item); + OS.GCHandle_Free (item); + } else { + int content = OS.TextBox_Text (textHandle); + text = createJavaString (content); + OS.GCHandle_Free (content); + } + return text; +} + +/** + * Returns the height of the receivers's text field. + * + * @return the text height + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getTextHeight () { + checkWidget (); + //FIXME + return 0; +} + +/** + * Returns the maximum number of characters that the receiver's + * text field is capable of holding. If this has not been changed + * by <code>setTextLimit()</code>, it will be the constant + * <code>Combo.LIMIT</code>. + * + * @return the text limit + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #LIMIT + */ +public int getTextLimit () { + checkWidget (); + //FIXME + return LIMIT; +} + +/** + * Gets the number of items that are visible in the drop + * down portion of the receiver's list. + * <p> + * Note: This operation is a hint and is not supported on + * platforms that do not have this concept. + * </p> + * + * @return the number of items that are visible + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public int getVisibleItemCount () { + checkWidget (); + //FIXME + return 0; +} + +void HandleSelectionChanged (int sender, int e) { + if (!checkEvent (e)) return; + if (!ignoreSelection) postEvent (SWT.Selection); +} + +void HandleTextChanged (int sender, int e) { + if (!checkEvent (e)) return; + //TODO +// int text = OS.TextBox_Text (textHandle); +// String str = createJavaString (text); +// OS.GCHandle_Free (text); +} + +void hookEvents() { + super.hookEvents (); + int handler = OS.gcnew_SelectionChangedEventHandler (jniRef, "HandleSelectionChanged"); + OS.Selector_SelectionChanged (handle, handler); + OS.GCHandle_Free (handler); + //TODO +// if (textHandle != 0) { +// handler = OS.gcnew_TextChangedEventHandler (jniRef, "HandleTextChanged"); +// OS.TextBoxBase_TextChanged (textHandle, handler); +// OS.GCHandle_Free (handler); +// } +} +/** + * Searches the receiver's list starting at the first item + * (index 0) until an item is found that is equal to the + * argument, and returns the index of that item. If no item + * is found, returns -1. + * + * @param string the search item + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (String string) { + return indexOf (string, 0); +} + +/** + * Searches the receiver's list starting at the given, + * zero-relative index until an item is found that is equal + * to the argument, and returns the index of that item. If + * no item is found or the starting index is out of range, + * returns -1. + * + * @param string the search item + * @param start the zero-relative index at which to begin the search + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (String string, int start) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int count = getItemCount (); + if (start >= count) return -1; + start = Math.max (start, 0); + int strPtr = createDotNetString (string, false); + int itemCollection = OS.ItemsControl_Items (handle); + int index = -1; + while (start < count && index == -1) { + int item = OS.ItemCollection_GetItemAt (itemCollection, start); + int itemContent = OS.ContentControl_Content (item); + OS.GCHandle_Free (item); + if (itemContent != 0 && OS.Object_Equals (itemContent, strPtr)) index = start; + OS.GCHandle_Free (itemContent); + start ++; + } + OS.GCHandle_Free (strPtr); + OS.GCHandle_Free (itemCollection); + return index; +} + +/** + * Pastes text from clipboard. + * <p> + * The selected text is deleted from the widget + * and new text inserted from the clipboard. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.1 + */ +public void paste () { + checkWidget (); + if ((style & SWT.READ_ONLY) != 0) return; + OS.TextBoxBase_Paste (textHandle); +} + +void releaseHandle () { + super.releaseHandle (); + if (textHandle != 0) OS.GCHandle_Free (textHandle); + textHandle = 0; +} +/** + * Removes the item from the receiver's list at the given + * zero-relative index. + * + * @param index the index for the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (int index) { + checkWidget (); + if (index < 0 || index >= getItemCount ()) error (SWT.ERROR_INVALID_RANGE); + int itemCollection = OS.ItemsControl_Items(handle); + OS.ItemCollection_RemoveAt(itemCollection, index); + OS.GCHandle_Free(itemCollection); +} + +/** + * Removes the items from the receiver's list which are + * between the given zero-relative start and end + * indices (inclusive). + * + * @param start the start of the range + * @param end the end of the range + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (int start, int end) { + checkWidget (); + int count = getItemCount (); + if (start < 0 || start >= count) error (SWT.ERROR_INVALID_RANGE); + if (end < 0 || end >= count) error (SWT.ERROR_INVALID_RANGE); + int itemCollection = OS.ItemsControl_Items(handle); + for (int i = end; i >= start; i--) { + OS.ItemCollection_RemoveAt(itemCollection, i); + } + OS.GCHandle_Free(itemCollection); +} + +/** + * Searches the receiver's list starting at the first item + * until an item is found that is equal to the argument, + * and removes that item from the list. + * + * @param string the item to remove + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the string is not found in the list</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int index = indexOf (string, 0); + if (index == -1) error (SWT.ERROR_INVALID_ARGUMENT); + remove (index); +} + +/** + * Removes all of the items from the receiver's list and clear the + * contents of receiver's text field. + * <p> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void removeAll () { + checkWidget (); + int itemCollection = OS.ItemsControl_Items (handle); + OS.ItemCollection_Clear (itemCollection); + OS.GCHandle_Free (itemCollection); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's text is modified. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ModifyListener + * @see #addModifyListener + */ +public void removeModifyListener (ModifyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Modify, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's selection changes. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is verified. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see VerifyListener + * @see #addVerifyListener + * + * @since 3.1 + */ +public void removeVerifyListener (VerifyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Verify, listener); +} + +/** + * Selects the item at the given zero-relative index in the receiver's + * list. If the item at the index was already selected, it remains + * selected. Indices that are out of range are ignored. + * + * @param index the index of the item to select + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void select (int index) { + checkWidget (); + int itemCollection = OS.ItemsControl_Items(handle); + int count = OS.ItemCollection_Count(itemCollection); + OS.GCHandle_Free(itemCollection); + if (0 <= index && index < count) { +// int selection = OS.Selector_SelectedIndex (handle); + ignoreSelection = true; + OS.Selector_SelectedIndex(handle, index); + ignoreSelection = false; +// int code = OS.Selector_SelectedIndex(handle); +// if (code != -1 && code != selection) { +// sendEvent (SWT.Modify); +// } + } +} + +void setForegroundBrush (int brush) { + if (brush != 0) { + OS.Control_Foreground (handle, brush); + } else { + int property = OS.Control_ForegroundProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + } +} + +/** + * Sets the text of the item in the receiver's list at the given + * zero-relative index to the string argument. This is equivalent + * to removing the old item at the index, and then adding the new + * item at that index. + * + * @param index the index for the item + * @param string the new text for the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setItem (int index, String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if (index < 0 || index >= getItemCount()) error (SWT.ERROR_INVALID_RANGE); + int itemCollection = OS.ItemsControl_Items(handle); + int item = OS.ItemCollection_GetItemAt(itemCollection, index); + OS.GCHandle_Free(itemCollection); + int strPtr = createDotNetString (string, false); + OS.ContentControl_Content(item, strPtr); + OS.GCHandle_Free(strPtr); + OS.GCHandle_Free(item); +} + +/** + * Sets the receiver's list to be the given array of items. + * + * @param items the array of items + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the items array is null</li> + * <li>ERROR_INVALID_ARGUMENT - if an item in the items array is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setItems (String [] items) { + checkWidget (); + if (items == null) error (SWT.ERROR_NULL_ARGUMENT); + for (int i=0; i<items.length; i++) { + if (items [i] == null) error (SWT.ERROR_INVALID_ARGUMENT); + } + int itemCollection = OS.ItemsControl_Items(handle); + OS.ItemCollection_Clear(itemCollection); + for (int i = 0; i < items.length; i++) { + int itemHandle = OS.gcnew_ComboBoxItem (); + int strPtr = createDotNetString (items [i], false); + OS.ContentControl_Content (itemHandle, strPtr); + OS.GCHandle_Free (strPtr); + OS.ItemCollection_Add (itemCollection, itemHandle); + OS.GCHandle_Free (itemHandle); + } + OS.GCHandle_Free(itemCollection); +} + +/** + * Marks the receiver's list as visible if the argument is <code>true</code>, + * and marks it invisible otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, marking + * it visible may not actually cause it to be displayed. + * </p> + * + * @param visible the new visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.3 + */ +/*public*/ void setListVisible (boolean visible) { + checkWidget (); + OS.ComboBox_IsDropDownOpen(handle, visible); +} + +/** + * Sets the orientation of the receiver, which must be one + * of the constants <code>SWT.LEFT_TO_RIGHT</code> or <code>SWT.RIGHT_TO_LEFT</code>. + * <p> + * + * @param orientation new orientation style + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.1.2 + */ +public void setOrientation (int orientation) { + checkWidget(); + //FIXME +} + +/** + * Sets the selection in the receiver's text field to the + * range specified by the argument whose x coordinate is the + * start of the selection and whose y coordinate is the end + * of the selection. + * + * @param selection a point representing the new selection start and end + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (Point selection) { + checkWidget (); + if ((style & SWT.READ_ONLY) != 0) return; + if (selection == null) error (SWT.ERROR_NULL_ARGUMENT); + int start = selection.x, length = selection.y - selection.x; + OS.TextBox_SelectionLength (textHandle, length); + OS.TextBox_SelectionStart (textHandle, start); +} + +/** + * Sets the contents of the receiver's text field to the + * given string. + * <p> + * Note: The text field in a <code>Combo</code> is typically + * only capable of displaying a single line of text. Thus, + * setting the text to a string containing line breaks or + * other special characters will probably cause it to + * display incorrectly. + * </p> + * + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if ((style & SWT.READ_ONLY) != 0) { + int index = indexOf (string); + if (index != -1) select (index); + return; + } + int strPtr = createDotNetString (string, false); + OS.TextBox_Text (textHandle, strPtr); + OS.GCHandle_Free (strPtr); +} + +/** + * Sets the maximum number of characters that the receiver's + * text field is capable of holding to be the argument. + * <p> + * To reset this value to the default, use <code>setTextLimit(Combo.LIMIT)</code>. + * Specifying a limit value larger than <code>Combo.LIMIT</code> sets the + * receiver's limit to <code>Combo.LIMIT</code>. + * </p> + * @param limit new text limit + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_CANNOT_BE_ZERO - if the limit is zero</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #LIMIT + */ +public void setTextLimit (int limit) { + checkWidget (); + if (limit == 0) error (SWT.ERROR_CANNOT_BE_ZERO); + //FIXME +} + +/** + * Sets the number of items that are visible in the drop + * down portion of the receiver's list. + * <p> + * Note: This operation is a hint and is not supported on + * platforms that do not have this concept. + * </p> + * + * @param count the new number of items to be visible + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setVisibleItemCount (int count) { + checkWidget (); + if (count < 0) return; + //FIXME +} +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Composite.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Composite.java new file mode 100644 index 0000000000..91a6c6c432 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Composite.java @@ -0,0 +1,1063 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class are controls which are capable + * of containing other controls. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>NO_BACKGROUND, NO_FOCUS, NO_MERGE_PAINTS, NO_REDRAW_RESIZE, NO_RADIO_GROUP, EMBEDDED, DOUBLE_BUFFERED</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * Note: The <code>NO_BACKGROUND</code>, <code>NO_FOCUS</code>, <code>NO_MERGE_PAINTS</code>, + * and <code>NO_REDRAW_RESIZE</code> styles are intended for use with <code>Canvas</code>. + * They can be used with <code>Composite</code> if you are drawing your own, but their + * behavior is undefined if they are used with subclasses of <code>Composite</code> other + * than <code>Canvas</code>. + * </p><p> + * Note: The <code>CENTER</code> style, although undefined for composites, has the + * same value as <code>EMBEDDED</code> (which is used to embed widgets from other + * widget toolkits into SWT). On some operating systems (GTK, Motif), this may cause + * the children of this composite to be obscured. The <code>EMBEDDED</code> style + * is for use by other widget toolkits and should normally never be used. + * </p><p> + * This class may be subclassed by custom control implementors + * who are building controls that are constructed from aggregates + * of other controls. + * </p> + * + * @see Canvas + */ + +public class Composite extends Scrollable { + Layout layout; + Control [] tabList; + int layoutCount, backgroundMode; + +/** + * Prevents uninitialized instances from being created outside the package. + */ +Composite () { +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a widget which will be the parent of the new instance (cannot be null) + * @param style the style of widget to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * </ul> + * + * @see SWT#NO_BACKGROUND + * @see SWT#NO_FOCUS + * @see SWT#NO_MERGE_PAINTS + * @see SWT#NO_REDRAW_RESIZE + * @see SWT#NO_RADIO_GROUP + * @see Widget#getStyle + */ +public Composite (Composite parent, int style) { + super (parent, style); +} + +int getCaretHandle () { + return 0; +} + +Control [] _getChildren () { + int parentHandle = parentingHandle (); + int elements = OS.Panel_Children (parentHandle); + int count = OS.UIElementCollection_Count (elements); + int caretHandle = getCaretHandle (); + if (caretHandle != 0) count--; + Control [] children = new Control [count]; + int index = count - 1; + if (count != 0) { + int enumerator = OS.UIElementCollection_GetEnumerator (elements); + while (OS.IEnumerator_MoveNext (enumerator)) { + int current = OS.UIElementCollection_Current (enumerator); + if (caretHandle != 0 && OS.Object_Equals(caretHandle, current)) { + OS.GCHandle_Free (current); + continue; + } + Widget widget = display.getWidget (current); + if (widget != null && widget != this) { + if (widget instanceof Control) { + children [index--] = (Control)widget; + } + } + OS.GCHandle_Free (current); + } + OS.GCHandle_Free (enumerator); + } + OS.GCHandle_Free (elements); + if (index == -1) return children; + Control [] newChildren = new Control [count - index - 1]; + System.arraycopy (children, index + 1, newChildren, 0, newChildren.length); + return newChildren; +} + +Control [] _getTabList () { + if (tabList == null) return tabList; + int count = 0; + for (int i=0; i<tabList.length; i++) { + if (!tabList [i].isDisposed ()) count++; + } + if (count == tabList.length) return tabList; + Control [] newList = new Control [count]; + int index = 0; + for (int i=0; i<tabList.length; i++) { + if (!tabList [i].isDisposed ()) { + newList [index++] = tabList [i]; + } + } + tabList = newList; + return tabList; +} + +void addChild (Control control) { + int parentHandle = parentingHandle (); + int children = OS.Panel_Children (parentHandle); + int index = 0; + if (parentHandle != handle) { + if (OS.UIElementCollection_Contains (children, handle)) { + index = 1; + } + } + int topHandle = control.topHandle (); + OS.UIElementCollection_Insert (children, index, topHandle); + OS.GCHandle_Free (children); + OS.FrameworkElement_Width (topHandle, 0); + OS.FrameworkElement_Height (topHandle, 0); +} + +int backgoundProperty () { + return OS.Panel_BackgroundProperty(); +} + +/** + * Clears any data that has been cached by a Layout for all widgets that + * are in the parent hierarchy of the changed control up to and including the + * receiver. If an ancestor does not have a layout, it is skipped. + * + * @param changed an array of controls that changed state and require a recalculation of size + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the changed array is null any of its controls are null or have been disposed</li> + * <li>ERROR_INVALID_PARENT - if any control in changed is not in the widget tree of the receiver</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void changed (Control[] changed) { + checkWidget (); + if (changed == null) error (SWT.ERROR_INVALID_ARGUMENT); + for (int i=0; i<changed.length; i++) { + Control control = changed [i]; + if (control == null) error (SWT.ERROR_INVALID_ARGUMENT); + if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + boolean ancestor = false; + Composite composite = control.parent; + while (composite != null) { + ancestor = composite == this; + if (ancestor) break; + composite = composite.parent; + } + if (!ancestor) error (SWT.ERROR_INVALID_PARENT); + } + for (int i=0; i<changed.length; i++) { + Control child = changed [i]; + Composite composite = child.parent; + while (child != this) { + if (composite.layout == null || !composite.layout.flushCache (child)) { + composite.state |= LAYOUT_CHANGED; + } + child = composite; + composite = child.parent; + } + } +} + +void checkBuffered () { + if ((state & CANVAS) == 0) { + super.checkBuffered (); + } +} + +protected void checkSubclass () { + /* Do nothing - Subclassing is allowed */ +} + +Control [] computeTabList () { + Control result [] = super.computeTabList (); + if (result.length == 0) return result; + Control [] list = tabList != null ? _getTabList () : _getChildren (); + for (int i=0; i<list.length; i++) { + Control child = list [i]; + Control [] childList = child.computeTabList (); + if (childList.length != 0) { + Control [] newResult = new Control [result.length + childList.length]; + System.arraycopy (result, 0, newResult, 0, result.length); + System.arraycopy (childList, 0, newResult, result.length, childList.length); + result = newResult; + } + } + return result; +} + +public Point computeSize (int wHint, int hHint, boolean changed) { + checkWidget (); + Point size; + if (layout != null) { + if (wHint == SWT.DEFAULT || hHint == SWT.DEFAULT) { + changed |= (state & LAYOUT_CHANGED) != 0; + state &= ~LAYOUT_CHANGED; + size = layout.computeSize (this, wHint, hHint, changed); + } else { + size = new Point (wHint, hHint); + } + } else { + size = minimumSize (wHint, hHint, changed); + } + if (size.x == 0) size.x = DEFAULT_WIDTH; + if (size.y == 0) size.y = DEFAULT_HEIGHT; + if (wHint != SWT.DEFAULT) size.x = wHint; + if (hHint != SWT.DEFAULT) size.y = hHint; + Rectangle trim = computeTrim (0, 0, size.x, size.y); + return new Point (trim.width, trim.height); +} + +void createHandle () { + state |= CANVAS; + if ((style & (SWT.H_SCROLL | SWT.V_SCROLL)) == 0) { + state |= THEME_BACKGROUND; + } + boolean scrolled = (style & (SWT.H_SCROLL | SWT.V_SCROLL)) != 0; + createHandle (scrolled, false); +} + +void createHandle (boolean scrolled, boolean menubar) { + handle = OS.gcnew_SWTCanvas (jniRef); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + if (scrolled || menubar) { + scrolledHandle = OS.gcnew_Grid (); + if (scrolledHandle == 0) error (SWT.ERROR_NO_HANDLES); + + /* Create grid definition */ + int gridLength = OS.gcnew_GridLength (1, OS.GridUnitType_Auto); + if (gridLength == 0) error (SWT.ERROR_NO_HANDLES); + int columnDefinitions = OS.Grid_ColumnDefinitions (scrolledHandle); + int column0 = OS.gcnew_ColumnDefinition (); + if (column0 == 0) error (SWT.ERROR_NO_HANDLES); + OS.ColumnDefinitionCollection_Add (columnDefinitions, column0); + int column1 = OS.gcnew_ColumnDefinition (); + if (column1 == 0) error (SWT.ERROR_NO_HANDLES); + OS.ColumnDefinition_Width (column1, gridLength); + OS.ColumnDefinitionCollection_Add (columnDefinitions, column1); + int rowDefinitions = OS.Grid_RowDefinitions (scrolledHandle); + int row0 = OS.gcnew_RowDefinition (); + if (row0 == 0) error (SWT.ERROR_NO_HANDLES); + OS.RowDefinition_Height (row0, gridLength); + OS.RowDefinitionCollection_Add (rowDefinitions, row0); + int row1 = OS.gcnew_RowDefinition (); + if (row1 == 0) error (SWT.ERROR_NO_HANDLES); + OS.RowDefinitionCollection_Add (rowDefinitions, row1); + int row2 = OS.gcnew_RowDefinition (); + if (row2 == 0) error (SWT.ERROR_NO_HANDLES); + OS.RowDefinition_Height (row2, gridLength); + OS.RowDefinitionCollection_Add (rowDefinitions, row2); + OS.GCHandle_Free (column0); + OS.GCHandle_Free (column1); + OS.GCHandle_Free (row0); + OS.GCHandle_Free (row1); + OS.GCHandle_Free (row2); + OS.GCHandle_Free (gridLength); + OS.GCHandle_Free (columnDefinitions); + OS.GCHandle_Free (rowDefinitions); + + /* create children */ + int children = OS.Panel_Children (scrolledHandle); + OS.UIElementCollection_Add (children, handle); + OS.Grid_SetRow (handle, 1); + OS.Grid_SetColumn (handle, 0); + if ((style & SWT.V_SCROLL) != 0) { + int vScroll = OS.gcnew_ScrollBar (); + if (vScroll == 0) error (SWT.ERROR_NO_HANDLES); + OS.ScrollBar_Orientation (vScroll, OS.Orientation_Vertical); + OS.RangeBase_Maximum(vScroll, 90); + OS.RangeBase_LargeChange (vScroll, 10); + OS.ScrollBar_ViewportSize (vScroll, 10); + OS.Grid_SetRow (vScroll, 1); + OS.Grid_SetColumn (vScroll, 1); + OS.UIElementCollection_Add (children, vScroll); + OS.GCHandle_Free (vScroll); + } + if ((style & SWT.H_SCROLL) != 0) { + int hScroll = OS.gcnew_ScrollBar (); + if (hScroll == 0) error (SWT.ERROR_NO_HANDLES); + OS.ScrollBar_Orientation (hScroll, OS.Orientation_Horizontal); + OS.RangeBase_Maximum (hScroll, 90); + OS.RangeBase_LargeChange (hScroll, 10); + OS.ScrollBar_ViewportSize (hScroll, 10); + OS.Grid_SetRow (hScroll, 2); + OS.Grid_SetColumn (hScroll, 0); + OS.UIElementCollection_Add (children, hScroll); + OS.GCHandle_Free (hScroll); + } + OS.GCHandle_Free (children); + } +} + +int defaultBackground () { + if ((state & CANVAS) != 0) { + return OS.SystemColors_ControlColor; + } + return 0; +} + +Composite findDeferredControl () { + return layoutCount > 0 ? this : parent.findDeferredControl (); +} + +Menu [] findMenus (Control control) { + if (control == this) return new Menu [0]; + Menu result [] = super.findMenus (control); + Control [] children = _getChildren (); + for (int i=0; i<children.length; i++) { + Control child = children [i]; + Menu [] menuList = child.findMenus (control); + if (menuList.length != 0) { + Menu [] newResult = new Menu [result.length + menuList.length]; + System.arraycopy (result, 0, newResult, 0, result.length); + System.arraycopy (menuList, 0, newResult, result.length, menuList.length); + result = newResult; + } + } + return result; +} + +void fixTabList (Control control) { + if (tabList == null) return; + int count = 0; + for (int i=0; i<tabList.length; i++) { + if (tabList [i] == control) count++; + } + if (count == 0) return; + Control [] newList = null; + int length = tabList.length - count; + if (length != 0) { + newList = new Control [length]; + int index = 0; + for (int i=0; i<tabList.length; i++) { + if (tabList [i] != control) { + newList [index++] = tabList [i]; + } + } + } + tabList = newList; +} + +/** + * Returns the receiver's background drawing mode. This + * will be one of the following constants defined in class + * <code>SWT</code>: + * <code>INHERIT_NONE</code>, <code>INHERIT_DEFAULT</code>, + * <code>INHERTIT_FORCE</code>. + * + * @return the background mode + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT + * + * @since 3.2 + */ +public int getBackgroundMode () { + checkWidget (); + return backgroundMode; +} + +/** + * Returns a (possibly empty) array containing the receiver's children. + * Children are returned in the order that they are drawn. The topmost + * control appears at the beginning of the array. Subsequent controls + * draw beneath this control and appear later in the array. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of children, so modifying the array will + * not affect the receiver. + * </p> + * + * @return an array of children + * + * @see Control#moveAbove + * @see Control#moveBelow + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Control [] getChildren () { + checkWidget (); + return _getChildren (); +} + +/** + * Returns layout which is associated with the receiver, or + * null if one has not been set. + * + * @return the receiver's layout or null + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Layout getLayout () { + checkWidget (); + return layout; +} + +Point getLocation (Control child) { + int topHandle = child.topHandle (); + int x = (int) OS.Canvas_GetLeft (topHandle); + int y = (int) OS.Canvas_GetTop (topHandle); + return new Point (x, y); +} + +/** + * Gets the (possibly empty) tabbing order for the control. + * + * @return tabList the ordered list of controls representing the tab order + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setTabList + */ +public Control [] getTabList () { + checkWidget (); + Control [] tabList = _getTabList (); + if (tabList == null) { + int count = 0; + Control [] list =_getChildren (); + for (int i=0; i<list.length; i++) { + if (list [i].isTabGroup ()) count++; + } + tabList = new Control [count]; + int index = 0; + for (int i=0; i<list.length; i++) { + if (list [i].isTabGroup ()) { + tabList [index++] = list [i]; + } + } + } + return tabList; +} + +boolean hooksKeys () { + return hooks (SWT.KeyDown) || hooks (SWT.KeyUp); +} + +/** + * Returns <code>true</code> if the receiver has deferred + * the performing of layout, and <code>false</code> otherwise. + * + * @return the receiver's deferred layout state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setLayoutDeferred(boolean) + * @see #isLayoutDeferred() + * + * @since 3.1 + */ +public boolean getLayoutDeferred () { + checkWidget (); + return layoutCount > 0 ; +} + +void HandlePreviewMouseDown(int sender, int e) { + if (!checkEvent (e)) return; + super.HandlePreviewMouseDown (sender, e); + + /* Set focus for a canvas with no children */ + if ((state & CANVAS) != 0) { + if ((style & SWT.NO_FOCUS) == 0 && hooksKeys ()) { + int children = OS.Panel_Children (handle); + int count = OS.UIElementCollection_Count (children); + OS.GCHandle_Free (children); + int caretHandle = getCaretHandle(); + if (caretHandle != 0) count--; + if (count == 0) { + //TODO improve, set the Focusable to true in some other time so Tab works + OS.UIElement_Focusable (handle, true); + OS.UIElement_Focus (handle); + } + } + } +} + +/** + * Returns <code>true</code> if the receiver or any ancestor + * up to and including the receiver's nearest ancestor shell + * has deferred the performing of layouts. Otherwise, <code>false</code> + * is returned. + * + * @return the receiver's deferred layout state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setLayoutDeferred(boolean) + * @see #getLayoutDeferred() + * + * @since 3.1 + */ +public boolean isLayoutDeferred () { + checkWidget (); + return findDeferredControl () != null; +} + +boolean isTabGroup() { + if ((state & CANVAS) != 0) return true; + return super.isTabGroup(); +} + +/** + * If the receiver has a layout, asks the layout to <em>lay out</em> + * (that is, set the size and location of) the receiver's children. + * If the receiver does not have a layout, do nothing. + * <p> + * This is equivalent to calling <code>layout(true)</code>. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void layout () { + checkWidget (); + layout (true); +} + +/** + * If the receiver has a layout, asks the layout to <em>lay out</em> + * (that is, set the size and location of) the receiver's children. + * If the argument is <code>true</code> the layout must not rely + * on any information it has cached about the immediate children. If it + * is <code>false</code> the layout may (potentially) optimize the + * work it is doing by assuming that none of the receiver's + * children has changed state since the last layout. + * If the receiver does not have a layout, do nothing. + * <p> + * If a child is resized as a result of a call to layout, the + * resize event will invoke the layout of the child. The layout + * will cascade down through all child widgets in the receiver's widget + * tree until a child is encountered that does not resize. Note that + * a layout due to a resize will not flush any cached information + * (same as <code>layout(false)</code>).</p> + * + * @param changed <code>true</code> if the layout must flush its caches, and <code>false</code> otherwise + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void layout (boolean changed) { + checkWidget (); + if (layout == null) return; + layout (changed, false); +} + +/** + * If the receiver has a layout, asks the layout to <em>lay out</em> + * (that is, set the size and location of) the receiver's children. + * If the changed argument is <code>true</code> the layout must not rely + * on any information it has cached about its children. If it + * is <code>false</code> the layout may (potentially) optimize the + * work it is doing by assuming that none of the receiver's + * children has changed state since the last layout. + * If the all argument is <code>true</code> the layout will cascade down + * through all child widgets in the receiver's widget tree, regardless of + * whether the child has changed size. The changed argument is applied to + * all layouts. If the all argument is <code>false</code>, the layout will + * <em>not</em> cascade down through all child widgets in the receiver's widget + * tree. However, if a child is resized as a result of a call to layout, the + * resize event will invoke the layout of the child. Note that + * a layout due to a resize will not flush any cached information + * (same as <code>layout(false)</code>).</p> + * + * @param changed <code>true</code> if the layout must flush its caches, and <code>false</code> otherwise + * @param all <code>true</code> if all children in the receiver's widget tree should be laid out, and <code>false</code> otherwise + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void layout (boolean changed, boolean all) { + checkWidget (); + if (layout == null && !all) return; + markLayout (changed, all); + updateLayout (true, all); +} + +/** + * Forces a lay out (that is, sets the size and location) of all widgets that + * are in the parent hierarchy of the changed control up to and including the + * receiver. The layouts in the hierarchy must not rely on any information + * cached about the changed control or any of its ancestors. The layout may + * (potentially) optimize the work it is doing by assuming that none of the + * peers of the changed control have changed state since the last layout. + * If an ancestor does not have a layout, skip it. + * + * @param changed a control that has had a state change which requires a recalculation of its size + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the changed array is null any of its controls are null or have been disposed</li> + * <li>ERROR_INVALID_PARENT - if any control in changed is not in the widget tree of the receiver</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void layout (Control [] changed) { + checkWidget (); + if (changed == null) error (SWT.ERROR_INVALID_ARGUMENT); + for (int i=0; i<changed.length; i++) { + Control control = changed [i]; + if (control == null) error (SWT.ERROR_INVALID_ARGUMENT); + if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + boolean ancestor = false; + Composite composite = control.parent; + while (composite != null) { + ancestor = composite == this; + if (ancestor) break; + composite = composite.parent; + } + if (!ancestor) error (SWT.ERROR_INVALID_PARENT); + } + int updateCount = 0; + Composite [] update = new Composite [16]; + for (int i=0; i<changed.length; i++) { + Control child = changed [i]; + Composite composite = child.parent; + while (child != this) { + if (composite.layout != null) { + composite.state |= LAYOUT_NEEDED; + if (!composite.layout.flushCache (child)) { + composite.state |= LAYOUT_CHANGED; + } + } + if (updateCount == update.length) { + Composite [] newUpdate = new Composite [update.length + 16]; + System.arraycopy (update, 0, newUpdate, 0, update.length); + update = newUpdate; + } + child = update [updateCount++] = composite; + composite = child.parent; + } + } + for (int i=updateCount-1; i>=0; i--) { + update [i].updateLayout (true, false); + } +} + +void OnRender(int drawingContext) { + if (isDisposed ()) return; + OS.SWTCanvas_Visual (handle, 0); + if (!hooks (SWT.Paint)) return; + int width = (int)OS.FrameworkElement_ActualWidth (handle); + int height = (int)OS.FrameworkElement_ActualHeight (handle); + if (width != 0 && height != 0) { + GCData data = new GCData (); + data.device = display; + data.drawingContext = drawingContext; + GC gc = GC.wpf_new (this, data); + Event event = new Event (); + event.gc = gc; + event.width = width; + event.height = height; + sendEvent (SWT.Paint, event); + event.gc = null; + gc.dispose (); + } +} + +void markLayout (boolean changed, boolean all) { + if (layout != null) { + state |= LAYOUT_NEEDED; + if (changed) state |= LAYOUT_CHANGED; + } + if (all) { + Control [] children = _getChildren (); + for (int i=0; i<children.length; i++) { + children [i].markLayout (changed, all); + } + } +} + +Point minimumSize (int wHint, int hHint, boolean changed) { + Control [] children = _getChildren (); + int width = 0, height = 0; + for (int i=0; i<children.length; i++) { + Rectangle rect = children [i].getBounds (); + width = Math.max (width, rect.x + rect.width); + height = Math.max (height, rect.y + rect.height); + } + return new Point (width, height); +} + +int parentingHandle () { + return handle; +} + +void releaseChildren (boolean destroy) { + Control [] children = _getChildren (); + for (int i=0; i<children.length; i++) { + Control child = children [i]; + if (child != null && !child.isDisposed ()) { + child.release (false); + } + } + super.releaseChildren (destroy); +} + +void releaseWidget () { + super.releaseWidget (); +// if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) { +// int hwndChild = OS.GetWindow (handle, OS.GW_CHILD); +// if (hwndChild != 0) { +// int threadId = OS.GetWindowThreadProcessId (hwndChild, null); +// if (threadId != OS.GetCurrentThreadId ()) { +// OS.ShowWindow (hwndChild, OS.SW_HIDE); +// OS.SetParent (hwndChild, 0); +// } +// } +// } + layout = null; + tabList = null; +} + +void removeChild (Control control) { + int topHandle = control.topHandle (); + int parentHandle = parentingHandle (); + int children = OS.Panel_Children (parentHandle); + OS.UIElementCollection_Remove (children, topHandle); + OS.GCHandle_Free (children); +} + +void removeControl (Control control) { + fixTabList (control); +} + +void setBackgroundBrush (int brush) { + if (brush != 0) { + OS.Panel_Background (handle, brush); + } else { + int property = OS.Panel_BackgroundProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + } +} + +/** + * Sets the background drawing mode to the argument which should + * be one of the following constants defined in class <code>SWT</code>: + * <code>INHERIT_NONE</code>, <code>INHERIT_DEFAULT</code>, + * <code>INHERIT_FORCE</code>. + * + * @param mode the new background mode + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT + * + * @since 3.2 + */ +public void setBackgroundMode (int mode) { + checkWidget (); + backgroundMode = mode; + Control [] children = _getChildren (); + for (int i = 0; i < children.length; i++) { + children [i].updateBackgroundMode (); + } +} + +int setBounds (int x, int y, int width, int height, int flags) { + int result = super.setBounds (x, y, width, height, flags); + if ((result & RESIZED) != 0 && layout != null) { + markLayout (false, false); + updateLayout (false, false); + } + return result; +} + +boolean setFixedFocus () { + checkWidget (); + Control [] children = _getChildren (); + for (int i=0; i<children.length; i++) { + Control child = children [i]; + if (child.setRadioFocus ()) return true; + } + for (int i=0; i<children.length; i++) { + Control child = children [i]; + if (child.setFixedFocus ()) return true; + } + return super.setFixedFocus (); +} + +public boolean setFocus () { + checkWidget (); + if (OS.UIElement_IsFocused (handle)) return true; + return OS.UIElement_Focus (handle); +} + +void setFont (int font, double size) { +} + +void setForegroundBrush (int brush) { +} + +/** + * Sets the layout which is associated with the receiver to be + * the argument which may be null. + * + * @param layout the receiver's new layout or null + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setLayout (Layout layout) { + checkWidget (); + this.layout = layout; +} + +/** + * If the argument is <code>true</code>, causes subsequent layout + * operations in the receiver or any of its children to be ignored. + * No layout of any kind can occur in the receiver or any of its + * children until the flag is set to false. + * Layout operations that occurred while the flag was + * <code>true</code> are remembered and when the flag is set to + * <code>false</code>, the layout operations are performed in an + * optimized manner. Nested calls to this method are stacked. + * + * @param defer the new defer state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #layout(boolean) + * @see #layout(Control[]) + * + * @since 3.1 + */ +public void setLayoutDeferred (boolean defer) { + if (!defer) { + if (--layoutCount == 0) { + if ((state & LAYOUT_CHILD) != 0 || (state & LAYOUT_NEEDED) != 0) { + updateLayout (true, true); + } + } + } else { + layoutCount++; + } +} + +/** + * Sets the tabbing order for the specified controls to + * match the order that they occur in the argument list. + * + * @param tabList the ordered list of controls representing the tab order or null + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if a widget in the tabList is null or has been disposed</li> + * <li>ERROR_INVALID_PARENT - if widget in the tabList is not in the same widget tree</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setTabList (Control [] tabList) { + checkWidget (); + if (tabList != null) { + for (int i=0; i<tabList.length; i++) { + Control control = tabList [i]; + if (control == null) error (SWT.ERROR_INVALID_ARGUMENT); + if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + if (control.parent != this) error (SWT.ERROR_INVALID_PARENT); + } + Control [] newList = new Control [tabList.length]; + System.arraycopy (tabList, 0, newList, 0, tabList.length); + tabList = newList; + } + this.tabList = tabList; +} + +boolean setTabGroupFocus () { + if (isTabItem ()) return setTabItemFocus (); + boolean takeFocus = (style & SWT.NO_FOCUS) == 0; + if ((state & CANVAS) != 0) { + takeFocus = hooksKeys (); + if ((style & SWT.EMBEDDED) != 0) takeFocus = true; + } + if (takeFocus && setTabItemFocus ()) return true; + Control [] children = _getChildren (); + for (int i=0; i<children.length; i++) { + Control child = children [i]; + if (child.isTabItem () && child.setRadioFocus ()) return true; + } + for (int i=0; i<children.length; i++) { + Control child = children [i]; + if (child.isTabItem () && child.setTabItemFocus ()) return true; + } + return false; +} + +boolean translateMnemonic (Event event, Control control) { + if (super.translateMnemonic (event, control)) return true; + if (control != null) { + Control [] children = _getChildren (); + for (int i=0; i<children.length; i++) { + Control child = children [i]; + if (child.translateMnemonic (event, control)) return true; + } + } + return false; +} + +int traversalCode(int key, int event) { + if ((state & CANVAS) != 0) { + if ((style & SWT.NO_FOCUS) != 0) return 0; + if (hooksKeys ()) return 0; + } + return super.traversalCode (key, event); +} + +boolean translateTraversal (int msg) { + if ((state & CANVAS) != 0 && (style & SWT.EMBEDDED) != 0) return false; + return super.translateTraversal (msg); +} + +void updateBackgroundColor () { + super.updateBackgroundColor (); + Control [] children = _getChildren (); + for (int i=0; i<children.length; i++) { + if ((children [i].state & PARENT_BACKGROUND) != 0) { + children [i].updateBackgroundColor (); + } + } +} + +void updateBackgroundImage () { + super.updateBackgroundImage (); + Control [] children = _getChildren (); + for (int i=0; i<children.length; i++) { + if ((children [i].state & PARENT_BACKGROUND) != 0) { + children [i].updateBackgroundImage (); + } + } +} + +void updateBackgroundMode () { + super.updateBackgroundMode (); + Control [] children = _getChildren (); + for (int i = 0; i < children.length; i++) { + children [i].updateBackgroundMode (); + } +} + +void updateFont (Font oldFont, Font newFont) { + super.updateFont (oldFont, newFont); + Control [] children = _getChildren (); + for (int i=0; i<children.length; i++) { + Control control = children [i]; + if (!control.isDisposed ()) { + control.updateFont (oldFont, newFont); + } + } +} + +void updateLayout (boolean resize, boolean all) { + Composite parent = findDeferredControl (); + if (parent != null) { + parent.state |= LAYOUT_CHILD; + return; + } + if ((state & LAYOUT_NEEDED) != 0) { + boolean changed = (state & LAYOUT_CHANGED) != 0; + state &= ~(LAYOUT_NEEDED | LAYOUT_CHANGED); + layout.layout (this, changed); + } + if (all) { + state &= ~LAYOUT_CHILD; + Control [] children = _getChildren (); + for (int i=0; i<children.length; i++) { + children [i].updateLayout (resize, all); + } + } +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Control.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Control.java new file mode 100644 index 0000000000..b850f1d2cc --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Control.java @@ -0,0 +1,2977 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.*; +import org.eclipse.swt.events.*; +import org.eclipse.swt.accessibility.*; + +/** + * Control is the abstract superclass of all windowed user interface classes. + * <p> + * <dl> + * <dt><b>Styles:</b> + * <dd>BORDER</dd> + * <dd>LEFT_TO_RIGHT, RIGHT_TO_LEFT</dd> + * <dt><b>Events:</b> + * <dd>FocusIn, FocusOut, Help, KeyDown, KeyUp, MouseDoubleClick, MouseDown, MouseEnter, + * MouseExit, MouseHover, MouseUp, MouseMove, Move, Paint, Resize, Traverse, + * DragDetect, MenuDetect</dd> + * </dl> + * </p><p> + * Only one of LEFT_TO_RIGHT or RIGHT_TO_LEFT may be specified. + * </p><p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ + +public abstract class Control extends Widget implements Drawable { + Cursor cursor; + Menu menu; + String toolTipText; + Object layoutData; + Accessible accessible; + Image backgroundImage; +// int drawCount; + int foreground, background; + Font font; + Composite parent; + +/** + * Prevents uninitialized instances from being created outside the package. + */ +Control () { +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#BORDER + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Control (Composite parent, int style) { + super (parent, style); + this.parent = parent; + createWidget (); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is moved or resized, by sending + * it one of the messages defined in the <code>ControlListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ControlListener + * @see #removeControlListener + */ +public void addControlListener(ControlListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Resize,typedListener); + addListener (SWT.Move,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control gains or loses focus, by sending + * it one of the messages defined in the <code>FocusListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see FocusListener + * @see #removeFocusListener + */ +public void addFocusListener (FocusListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.FocusIn,typedListener); + addListener (SWT.FocusOut,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when help events are generated for the control, + * by sending it one of the messages defined in the + * <code>HelpListener</code> interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see HelpListener + * @see #removeHelpListener + */ +public void addHelpListener (HelpListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Help, typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when keys are pressed and released on the system keyboard, by sending + * it one of the messages defined in the <code>KeyListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see KeyListener + * @see #removeKeyListener + */ +public void addKeyListener (KeyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.KeyUp,typedListener); + addListener (SWT.KeyDown,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when mouse buttons are pressed and released, by sending + * it one of the messages defined in the <code>MouseListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see MouseListener + * @see #removeMouseListener + */ +public void addMouseListener (MouseListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.MouseDown,typedListener); + addListener (SWT.MouseUp,typedListener); + addListener (SWT.MouseDoubleClick,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the mouse passes or hovers over controls, by sending + * it one of the messages defined in the <code>MouseTrackListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see MouseTrackListener + * @see #removeMouseTrackListener + */ +public void addMouseTrackListener (MouseTrackListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.MouseEnter,typedListener); + addListener (SWT.MouseExit,typedListener); + addListener (SWT.MouseHover,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the mouse moves, by sending it one of the + * messages defined in the <code>MouseMoveListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see MouseMoveListener + * @see #removeMouseMoveListener + */ +public void addMouseMoveListener (MouseMoveListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.MouseMove,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver needs to be painted, by sending it + * one of the messages defined in the <code>PaintListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see PaintListener + * @see #removePaintListener + */ +public void addPaintListener (PaintListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Paint,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when traversal events occur, by sending it + * one of the messages defined in the <code>TraverseListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see TraverseListener + * @see #removeTraverseListener + */ +public void addTraverseListener (TraverseListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Traverse,typedListener); +} + +void addWidget () { + parent.addChild (this); +} + +int borderHandle () { + return handle; +} + +void checkBackground () { + Shell shell = getShell (); + if (this == shell) return; + state &= ~PARENT_BACKGROUND; + Composite composite = parent; + do { + int mode = composite.backgroundMode; + if (mode != 0) { + if (mode == SWT.INHERIT_DEFAULT) { + Control control = this; + do { + if ((control.state & THEME_BACKGROUND) == 0) { + return; + } + control = control.parent; + } while (control != composite); + } + state |= PARENT_BACKGROUND; + return; + } + if (composite == shell) break; + composite = composite.parent; + } while (true); +} + +void checkBorder () { + if (getBorderWidth () == 0) style &= ~SWT.BORDER; +} + +void checkBuffered () { + style &= ~SWT.DOUBLE_BUFFERED; +} + +/** + * Returns the preferred size of the receiver. + * <p> + * The <em>preferred size</em> of a control is the size that it would + * best be displayed at. The width hint and height hint arguments + * allow the caller to ask a control questions such as "Given a particular + * width, how high does the control need to be to show all of the contents?" + * To indicate that the caller does not wish to constrain a particular + * dimension, the constant <code>SWT.DEFAULT</code> is passed for the hint. + * </p> + * + * @param wHint the width hint (can be <code>SWT.DEFAULT</code>) + * @param hHint the height hint (can be <code>SWT.DEFAULT</code>) + * @return the preferred size of the control + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Layout + * @see #getBorderWidth + * @see #getBounds + * @see #getSize + * @see #pack(boolean) + * @see "computeTrim, getClientArea for controls that implement them" + */ +public Point computeSize (int wHint, int hHint) { + return computeSize (wHint, hHint, true); +} + +/** + * Returns the preferred size of the receiver. + * <p> + * The <em>preferred size</em> of a control is the size that it would + * best be displayed at. The width hint and height hint arguments + * allow the caller to ask a control questions such as "Given a particular + * width, how high does the control need to be to show all of the contents?" + * To indicate that the caller does not wish to constrain a particular + * dimension, the constant <code>SWT.DEFAULT</code> is passed for the hint. + * </p><p> + * If the changed flag is <code>true</code>, it indicates that the receiver's + * <em>contents</em> have changed, therefore any caches that a layout manager + * containing the control may have been keeping need to be flushed. When the + * control is resized, the changed flag will be <code>false</code>, so layout + * manager caches can be retained. + * </p> + * + * @param wHint the width hint (can be <code>SWT.DEFAULT</code>) + * @param hHint the height hint (can be <code>SWT.DEFAULT</code>) + * @param changed <code>true</code> if the control's contents have changed, and <code>false</code> otherwise + * @return the preferred size of the control. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Layout + * @see #getBorderWidth + * @see #getBounds + * @see #getSize + * @see #pack(boolean) + * @see "computeTrim, getClientArea for controls that implement them" + */ +public Point computeSize (int wHint, int hHint, boolean changed) { + checkWidget (); + Point size = computeSize (handle, wHint, hHint, changed); + int border = getBorderWidth (); + int width = size.x + border * 2; + int height = size.y + border * 2; + return new Point (width, height); +} + +Point computeSize (int handle, int wHint, int hHint, boolean changed) { + int width = wHint, height = hHint; + if (wHint == SWT.DEFAULT) width = 0x7FFFFFFF; + if (hHint == SWT.DEFAULT) height = 0x7FFFFFFF; + width = Math.max (0, width); + height = Math.max (0, height); + int availSize = OS.gcnew_Size ((double)width, (double)height); + if (availSize == 0) error (SWT.ERROR_NO_HANDLES); + double requestWidth = OS.FrameworkElement_Width (handle); + if (requestWidth >= 0) { + int widthDP = OS.FrameworkElement_WidthProperty (); + OS.DependencyObject_ClearValue (handle, widthDP); + OS.GCHandle_Free (widthDP); + } + double requestHeight = OS.FrameworkElement_Height (handle); + if (requestHeight >= 0) { + int heightDP = OS.FrameworkElement_HeightProperty (); + OS.DependencyObject_ClearValue (handle, heightDP); + OS.GCHandle_Free (heightDP); + } + OS.UIElement_Measure (handle, availSize); + OS.GCHandle_Free (availSize); + int size = OS.UIElement_DesiredSize (handle); + width = (int) OS.Size_Width (size); + height = (int) OS.Size_Height (size); + OS.GCHandle_Free (size); + if (requestWidth >= 0) OS.FrameworkElement_Width (handle, requestWidth); + if (requestHeight >= 0) OS.FrameworkElement_Height (handle, requestHeight); + if (wHint != SWT.DEFAULT) width = wHint; + if (hHint != SWT.DEFAULT) height = hHint; + return new Point (width, height); +} + +Control computeTabGroup () { + if (isTabGroup ()) return this; + return parent.computeTabGroup (); +} + +Control computeTabRoot () { + Control [] tabList = parent._getTabList (); + if (tabList != null) { + int index = 0; + while (index < tabList.length) { + if (tabList [index] == this) break; + index++; + } + if (index == tabList.length) { + if (isTabGroup ()) return this; + } + } + return parent.computeTabRoot (); +} + +Control [] computeTabList () { + if (isTabGroup ()) { + if (getVisible () && getEnabled ()) { + return new Control [] {this}; + } + } + return new Control [0]; +} + +void createWidget () { + checkOrientation (parent); + super.createWidget(); + setClipping (); + if (defaultBackground () != 0) { + setBackground (); + } +} + +void setClipping () { + OS.UIElement_ClipToBounds (topHandle(), true); +} + +int defaultBackground () { + return 0; +} + +Font defaultFont () { + return display.getSystemFont (); +} + +int defaultForeground () { + return display.getSystemColor (SWT.COLOR_BLACK).handle; +} + +void deregister () { + display.removeWidget (handle); +} + +void destroyWidget () { + parent.removeChild (this); + releaseHandle (); +} + +boolean drawGripper (int x, int y, int width, int height, boolean vertical) { + return false; +} + +Control findBackgroundControl () { + if (background != 0 || backgroundImage != null) return this; + return (state & PARENT_BACKGROUND) != 0 ? parent.findBackgroundControl () : null; +} + +Control findThemeControl () { + return background == 0 && backgroundImage == null ? parent.findThemeControl () : null; +} + +Control findImageControl () { + Control control = findBackgroundControl (); + return control != null && control.backgroundImage != null ? control : null; +} + +Menu [] findMenus (Control control) { + if (menu != null && this != control) return new Menu [] {menu}; + return new Menu [0]; +} + +char findMnemonic (String string) { + int index = 0; + int length = string.length (); + do { + while (index < length && string.charAt (index) != '&') index++; + if (++index >= length) return '\0'; + if (string.charAt (index) != '&') return string.charAt (index); + index++; + } while (index < length); + return '\0'; +} + +/** + * Forces the receiver to have the <em>keyboard focus</em>, causing + * all keyboard events to be delivered to it. + * + * @return <code>true</code> if the control got focus, and <code>false</code> if it was unable to. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setFocus + */ +public boolean forceFocus () { + checkWidget (); +// if (display.focusEvent == SWT.FocusOut) return false; +// Decorations shell = menuShell (); +// shell.setSavedFocus (this); + if (!isEnabled () || !isVisible () /*|| !isActive ()*/) return false; + if (isFocusControl ()) return true; +// shell.setSavedFocus (null); + /* + * This code is intentionally commented. + * + * When setting focus to a control, it is + * possible that application code can set + * the focus to another control inside of + * WM_SETFOCUS. In this case, the original + * control will no longer have the focus + * and the call to setFocus() will return + * false indicating failure. + * + * We are still working on a solution at + * this time. + */ +// if (OS.GetFocus () != OS.SetFocus (handle)) return false; + OS.UIElement_Focus (handle); + if (isDisposed ()) return false; +// shell.setSavedFocus (this); + return isFocusControl (); +} + +/** + * Returns the accessible object for the receiver. + * If this is the first time this object is requested, + * then the object is created and returned. + * + * @return the accessible object + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Accessible#addAccessibleListener + * @see Accessible#addAccessibleControlListener + * + * @since 2.0 + */ +public Accessible getAccessible () { + checkWidget (); + if (accessible == null) accessible = new_Accessible (this); + return accessible; +} + +/** + * Returns the receiver's background color. + * + * @return the background color + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Color getBackground () { + checkWidget (); + Control control = findBackgroundControl (); + if (control == null) control = this; + return Color.wpf_new (display, control.getBackgroundColor ()); +} + +/** + * Returns the receiver's background image. + * + * @return the background image + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public Image getBackgroundImage () { + checkWidget (); + Control control = findBackgroundControl (); + if (control == null) control = this; + return control.backgroundImage; +} + +int getBackgroundColor () { + int color = background; + if (color == 0) color = defaultBackground (); + if (color == 0) color = OS.SystemColors_ControlColor;//TODO + return color; +} + +/** + * Returns the receiver's border width. + * + * @return the border width + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getBorderWidth () { + checkWidget (); + return 0; +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent (or its display if its parent is null), + * unless the receiver is a shell. In this case, the location is + * relative to the display. + * + * @return the receiver's bounding rectangle + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Rectangle getBounds () { + checkWidget (); + int topHandle = topHandle (); + Point location = parent.getLocation (this); + int width = (int) OS.FrameworkElement_Width (topHandle); + int height = (int) OS.FrameworkElement_Height (topHandle); + return new Rectangle (location.x, location.y, width, height); +} + +String getClipboardText () { + String string = ""; + int text = OS.Clipboard_GetText (); + if (text != 0) { + string = createJavaString (text); + OS.GCHandle_Free(text); + } + return string; +} + +/** + * Returns <code>true</code> if the receiver is enabled, and + * <code>false</code> otherwise. A disabled control is typically + * not selectable from the user interface and draws with an + * inactive or "grayed" look. + * + * @return the receiver's enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #isEnabled + */ +public boolean getEnabled () { + checkWidget (); + return OS.UIElement_IsEnabled (handle); +} + +/** + * Returns the font that the receiver will use to paint textual information. + * + * @return the receiver's font + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Font getFont () { + checkWidget (); + return font != null ? font : defaultFont (); +} + +/** + * Returns the foreground color that the receiver will use to draw. + * + * @return the receiver's foreground color + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Color getForeground () { + checkWidget (); + return Color.wpf_new (display, getForegroundColor ()); +} + +int getForegroundColor () { + return foreground != 0 ? foreground : defaultForeground (); +} + +/** + * Returns layout data which is associated with the receiver. + * + * @return the receiver's layout data + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Object getLayoutData () { + checkWidget (); + return layoutData; +} + +/** + * Returns a point describing the receiver's location relative + * to its parent (or its display if its parent is null), unless + * the receiver is a shell. In this case, the point is + * relative to the display. + * + * @return the receiver's location + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Point getLocation () { + checkWidget (); + return parent.getLocation (this); +} + +/** + * Returns the receiver's pop up menu if it has one, or null + * if it does not. All controls may optionally have a pop up + * menu that is displayed when the user requests one for + * the control. The sequence of key strokes, button presses + * and/or button releases that are used to request a pop up + * menu is platform specific. + * + * @return the receiver's menu + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Menu getMenu () { + checkWidget (); + return menu; +} + +/** + * Returns the receiver's monitor. + * + * @return the receiver's monitor + * + * @since 3.0 + */ +public Monitor getMonitor () { + checkWidget (); + //TODO + return display.getPrimaryMonitor (); +} + +/** + * Returns the receiver's parent, which must be a <code>Composite</code> + * or null when the receiver is a shell that was created with null or + * a display for a parent. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Composite getParent () { + checkWidget (); + return parent; +} + +Control [] getPath () { + int count = 0; + Shell shell = getShell (); + Control control = this; + while (control != shell) { + count++; + control = control.parent; + } + control = this; + Control [] result = new Control [count]; + while (control != shell) { + result [--count] = control; + control = control.parent; + } + return result; +} + +/** + * Returns the receiver's shell. For all controls other than + * shells, this simply returns the control's nearest ancestor + * shell. Shells return themselves, even if they are children + * of other shells. + * + * @return the receiver's shell + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getParent + */ +public Shell getShell () { + checkWidget (); + return parent.getShell (); +} + +/** + * Returns a point describing the receiver's size. The + * x coordinate of the result is the width of the receiver. + * The y coordinate of the result is the height of the + * receiver. + * + * @return the receiver's size + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Point getSize () { + checkWidget (); + int topHandle = topHandle (); + int width = (int) OS.FrameworkElement_Width (topHandle); + int height = (int) OS.FrameworkElement_Height (topHandle); + return new Point (width, height); +} + +/** + * Returns the receiver's tool tip text, or null if it has + * not been set. + * + * @return the receiver's tool tip text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getToolTipText () { + checkWidget (); + return toolTipText; +} + +/** + * Returns <code>true</code> if the receiver is visible, and + * <code>false</code> otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, this method + * may still indicate that it is considered visible even though + * it may not actually be showing. + * </p> + * + * @return the receiver's visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getVisible () { + checkWidget (); + return OS.UIElement_Visibility (topHandle ()) == OS.Visibility_Visible; +} + +Control getWidgetControl () { + return this; +} + +void hookEvents () { + super.hookEvents (); + int handler = OS.gcnew_KeyEventHandler (jniRef, "HandleKeyDown"); + OS.UIElement_KeyDown (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_KeyEventHandler (jniRef, "HandleKeyUp"); + OS.UIElement_KeyUp (handle, handler); + OS.GCHandle_Free (handler); + + int topHandle = topHandle (); + handler = OS.gcnew_MouseButtonEventHandler (jniRef, "HandlePreviewMouseDown"); + OS.UIElement_PreviewMouseDown (topHandle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_MouseButtonEventHandler (jniRef, "HandlePreviewMouseUp"); + OS.UIElement_PreviewMouseUp (topHandle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_MouseEventHandler (jniRef, "HandleMouseEnter"); + OS.UIElement_MouseEnter (topHandle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_MouseEventHandler (jniRef, "HandleMouseLeave"); + OS.UIElement_MouseLeave (topHandle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_MouseEventHandler (jniRef, "HandlePreviewMouseMove"); + OS.UIElement_PreviewMouseMove (topHandle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_MouseWheelEventHandler (jniRef, "HandlePreviewMouseWheel"); + OS.UIElement_PreviewMouseWheel (topHandle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_TextCompositionEventHandler (jniRef, "HandleTextInput"); + OS.UIElement_TextInput (topHandle, handler); + OS.GCHandle_Free (handler); + + handler = OS.gcnew_KeyboardFocusChangedEventHandler (jniRef, "HandlePreviewGotKeyboardFocus"); + OS.UIElement_PreviewGotKeyboardFocus(handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_KeyboardFocusChangedEventHandler (jniRef, "HandlePreviewLostKeyboardFocus"); + OS.UIElement_PreviewLostKeyboardFocus(handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_ContextMenuEventHandler (jniRef, "HandleContextMenuOpening"); + OS.FrameworkElement_ContextMenuOpening(handle, handler); + OS.GCHandle_Free (handler); +} + +void HandleContextMenuOpening (int sender, int e) { + if (!checkEvent (e)) return; + int mouse = OS.Mouse_GetPosition (handle); + int mouse2 = OS.Visual_PointToScreen (handle, mouse); + int x = (int) OS.Point_X (mouse2); + int y = (int) OS.Point_Y (mouse2); + OS.GCHandle_Free (mouse); + OS.GCHandle_Free (mouse2); + showMenu (x, y); + OS.RoutedEventArgs_Handled (e, true); +} + +void HandlePreviewGotKeyboardFocus (int sender, int e) { + if (!checkEvent (e)) return; + sendFocusEvent (SWT.FocusIn); +} + +void HandlePreviewLostKeyboardFocus (int sender, int e) { + if (!checkEvent (e)) return; + sendFocusEvent (SWT.FocusOut); +} + +void HandleKeyDown (int sender, int e) { + if (!checkEvent (e)) return; + + /* Let OS handle mnemonics for now */ +// if (translateMnemonic (e)) { +// OS.RoutedEventArgs_Handled (e, true); +// return; +// } + if (translateTraversal (e)) { + OS.RoutedEventArgs_Handled (e, true); + return; + } + sendKeyEvent (SWT.KeyDown, e, false); + + //FIXME hack code + /* + * In WPF arrows key move the focus around, this + * behavior is not expected in SWT. + */ + int key = OS.KeyEventArgs_Key(e); + switch (key) { + case OS.Key_Up: + case OS.Key_Left: + case OS.Key_Down: + case OS.Key_Right: { + OS.RoutedEventArgs_Handled (e, true); + } + } +} + +void HandleKeyUp (int sender, int e) { + if (!checkEvent (e)) return; + sendKeyEvent (SWT.KeyUp, e, false); +} + +void HandlePreviewMouseDown (int sender, int e) { + if (!checkEvent (e)) return; + if ((state & CANVAS) != 0) { + OS.UIElement_CaptureMouse (handle); + } + sendMouseEvent (SWT.MouseDown, e, false); +} + +void HandlePreviewMouseUp (int sender, int e) { + if (!checkEvent (e)) return; + if ((state & CANVAS) != 0) { + OS.UIElement_ReleaseMouseCapture (handle); + } + sendMouseEvent (SWT.MouseUp, e, false); +} + +void HandleMouseEnter (int sender, int e) { + if (!checkEvent (e)) return; + sendMouseEvent (SWT.MouseEnter, e, false); +} + +void HandleMouseLeave (int sender, int e) { + if (!checkEvent (e)) return; + sendMouseEvent (SWT.MouseExit, e, false); +} + +void HandlePreviewMouseMove (int sender, int e) { + if (!checkEvent (e)) return; + sendMouseEvent (SWT.MouseMove, e, false); +} + +void HandlePreviewMouseWheel (int sender, int e) { + if (!checkEvent (e)) return; + sendMouseEvent (SWT.MouseWheel, e, false); +} + +void HandleTextInput(int sender, int e) { + if (!checkEvent (e)) return; + sendKeyEvent (SWT.KeyDown, e, true); +} + +boolean hasFocus () { +// /* +// * If a non-SWT child of the control has focus, +// * then this control is considered to have focus +// * even though it does not have focus in Windows. +// */ +// int hwndFocus = OS.GetFocus (); +// while (hwndFocus != 0) { +// if (hwndFocus == handle) return true; +// if (display.getControl (hwndFocus) != null) { +// return false; +// } +// hwndFocus = OS.GetParent (hwndFocus); +// } +// return false; + +// return OS.UIElement_IsFocused (handle); + return OS.UIElement_IsKeyboardFocused (handle); +} + +/** + * Invokes platform specific functionality to allocate a new GC handle. + * <p> + * <b>IMPORTANT:</b> This method is <em>not</em> part of the public + * API for <code>Control</code>. It is marked public only so that it + * can be shared within the packages provided by SWT. It is not + * available on all platforms, and should never be called from + * application code. + * </p> + * + * @param data the platform specific GC data + * @return the platform specific GC handle + */ +public int internal_new_GC (GCData data) { + checkWidget(); + int drawingContext = data != null ? data.drawingContext : 0; + int visual = handle; + double width = OS.FrameworkElement_ActualWidth (handle); + double height = OS.FrameworkElement_ActualHeight (handle); + int rect = OS.gcnew_Rect (0, 0, width, height); + int clip = OS.gcnew_RectangleGeometry (rect); + if (drawingContext != 0) { + OS.DrawingContext_PushClip(drawingContext, clip); + } else { + visual = OS.gcnew_DrawingVisual(); + if (visual == 0) SWT.error(SWT.ERROR_NO_HANDLES); + OS.ContainerVisual_Clip (visual, clip); + int dc = OS.DrawingVisual_RenderOpen (visual); + if (dc == 0) SWT.error (SWT.ERROR_NO_HANDLES); + if ((state & CANVAS) != 0) { + OS.SWTCanvas_Visual (handle, visual); + } + drawingContext = dc; + } + OS.GCHandle_Free (rect); + OS.GCHandle_Free (clip); + if (data != null) { + int mask = SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT; + if ((data.style & mask) == 0) { + data.style |= style & (mask | SWT.MIRRORED); + } + data.device = display; + data.foreground = getForegroundColor (); + Control control = findBackgroundControl (); + if (control == null) control = this; + data.background = control.getBackgroundColor (); + data.font = font != null ? font : defaultFont (); + data.visual = visual; + } + return drawingContext; +} + +/** + * Invokes platform specific functionality to dispose a GC handle. + * <p> + * <b>IMPORTANT:</b> This method is <em>not</em> part of the public + * API for <code>Control</code>. It is marked public only so that it + * can be shared within the packages provided by SWT. It is not + * available on all platforms, and should never be called from + * application code. + * </p> + * + * @param hDC the platform specific GC handle + * @param data the platform specific GC data + */ +public void internal_dispose_GC (int dc, GCData data) { + checkWidget (); + if (data != null && data.drawingContext == 0) { + OS.DrawingContext_Close (dc); + OS.GCHandle_Free (dc); + OS.GCHandle_Free (data.visual); + } +} + +boolean isActive () { + Shell dialogShell = display.getModalDialogShell (); + if (dialogShell != null && dialogShell != getShell ()) { + return false; + } + Shell shell = null; + Shell [] modalShells = display.modalShells; + if (modalShells != null) { + int bits = SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL; + int index = modalShells.length; + while (--index >= 0) { + Shell modal = modalShells [index]; + if (modal != null) { + if ((modal.style & bits) != 0) { + Control control = this; + while (control != null) { + if (control == modal) break; + control = control.parent; + } + if (control != modal) return false; + break; + } + if ((modal.style & SWT.PRIMARY_MODAL) != 0) { + if (shell == null) shell = getShell (); + if (modal.parent == shell) return false; + } + } + } + } + if (shell == null) shell = getShell (); + return shell.getEnabled (); +} + +/** + * Returns <code>true</code> if the receiver is enabled and all + * ancestors up to and including the receiver's nearest ancestor + * shell are enabled. Otherwise, <code>false</code> is returned. + * A disabled control is typically not selectable from the user + * interface and draws with an inactive or "grayed" look. + * + * @return the receiver's enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getEnabled + */ +public boolean isEnabled () { + checkWidget (); + return getEnabled () && parent.isEnabled (); +} + +/** + * Returns <code>true</code> if the receiver has the user-interface + * focus, and <code>false</code> otherwise. + * + * @return the receiver's focus state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean isFocusControl () { + checkWidget (); +// Control focusControl = display.focusControl; +// if (focusControl != null && !focusControl.isDisposed ()) { +// return this == focusControl; +// } + return hasFocus (); +} + +boolean isFocusAncestor (Control control) { + while (control != null && control != this) { + control = control.parent; + } + return control == this; +} + +/** + * Returns <code>true</code> if the underlying operating + * system supports this reparenting, otherwise <code>false</code> + * + * @return <code>true</code> if the widget can be reparented, otherwise <code>false</code> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean isReparentable () { + checkWidget (); + return false; +} + +boolean isShowing () { + /* + * This is not complete. Need to check if the + * widget is obscurred by a parent or sibling. + */ + if (!isVisible ()) return false; + Control control = this; + while (control != null) { + Point size = control.getSize (); + if (size.x == 0 || size.y == 0) { + return false; + } + control = control.parent; + } + return true; + /* + * Check to see if current damage is included. + */ +// if (!OS.IsWindowVisible (handle)) return false; +// int flags = OS.DCX_CACHE | OS.DCX_CLIPCHILDREN | OS.DCX_CLIPSIBLINGS; +// int hDC = OS.GetDCEx (handle, 0, flags); +// int result = OS.GetClipBox (hDC, new RECT ()); +// OS.ReleaseDC (handle, hDC); +// return result != OS.NULLREGION; +} + +boolean isTabGroup () { + Control [] tabList = parent._getTabList (); + if (tabList != null) { + for (int i=0; i<tabList.length; i++) { + if (tabList [i] == this) return true; + } + } + int code = traversalCode (0, 0); + if ((code & (SWT.TRAVERSE_ARROW_PREVIOUS | SWT.TRAVERSE_ARROW_NEXT)) != 0) return false; + return (code & (SWT.TRAVERSE_TAB_PREVIOUS | SWT.TRAVERSE_TAB_NEXT)) != 0; +} + +boolean isTabItem () { + Control [] tabList = parent._getTabList (); + if (tabList != null) { + for (int i=0; i<tabList.length; i++) { + if (tabList [i] == this) return false; + } + } + int code = traversalCode (0, 0); + return (code & (SWT.TRAVERSE_ARROW_PREVIOUS | SWT.TRAVERSE_ARROW_NEXT)) != 0; +} + +/** + * Returns <code>true</code> if the receiver is visible and all + * ancestors up to and including the receiver's nearest ancestor + * shell are visible. Otherwise, <code>false</code> is returned. + * + * @return the receiver's visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getVisible + */ +public boolean isVisible () { + checkWidget (); + return OS.UIElement_IsVisible (topHandle ()); +} + +void markLayout (boolean changed, boolean all) { + /* Do nothing */ +} + +Decorations menuShell () { + return parent.menuShell (); +} + +boolean mnemonicHit (char key) { + return false; +} + +boolean mnemonicMatch (char key) { + return false; +} + +/** + * Moves the receiver above the specified control in the + * drawing order. If the argument is null, then the receiver + * is moved to the top of the drawing order. The control at + * the top of the drawing order will not be covered by other + * controls even if they occupy intersecting areas. + * + * @param control the sibling control (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Control#moveBelow + * @see Composite#getChildren + */ +public void moveAbove (Control control) { + checkWidget (); + if (control != null) { + if (control.isDisposed ()) error(SWT.ERROR_INVALID_ARGUMENT); + if (parent != control.parent) return; + } + int index; + int parentHandle = parent.handle; + int children = OS.Panel_Children (parentHandle); + if (control != null) { + index = OS.UIElementCollection_IndexOf (children, control.topHandle ()); + } else { + index = OS.UIElementCollection_Count (children) - 1; + } + int topHandle = topHandle (); + OS.UIElementCollection_Remove (children, topHandle); + OS.UIElementCollection_Insert (children, index, topHandle); + OS.GCHandle_Free (children); +} + +/** + * Moves the receiver below the specified control in the + * drawing order. If the argument is null, then the receiver + * is moved to the bottom of the drawing order. The control at + * the bottom of the drawing order will be covered by all other + * controls which occupy intersecting areas. + * + * @param control the sibling control (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Control#moveAbove + * @see Composite#getChildren + */ +public void moveBelow (Control control) { + checkWidget (); + if (control != null) { + if (control.isDisposed ()) error(SWT.ERROR_INVALID_ARGUMENT); + if (parent != control.parent) return; + } + int index; + int parentHandle = parent.handle; + int children = OS.Panel_Children (parentHandle); + if (control != null) { + index = Math.max (0, OS.UIElementCollection_IndexOf (children, control.topHandle ()) - 1); + } else { + index = 0; + } + int topHandle = topHandle (); + OS.UIElementCollection_Remove (children, topHandle); + OS.UIElementCollection_Insert (children, index, topHandle); + OS.GCHandle_Free (children); +} + +Accessible new_Accessible (Control control) { + return Accessible.internal_new_Accessible (this); +} + +/** + * Causes the receiver to be resized to its preferred size. + * For a composite, this involves computing the preferred size + * from its layout, if there is one. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #computeSize(int, int, boolean) + */ +public void pack () { + checkWidget (); + pack (true); +} + +/** + * Causes the receiver to be resized to its preferred size. + * For a composite, this involves computing the preferred size + * from its layout, if there is one. + * <p> + * If the changed flag is <code>true</code>, it indicates that the receiver's + * <em>contents</em> have changed, therefore any caches that a layout manager + * containing the control may have been keeping need to be flushed. When the + * control is resized, the changed flag will be <code>false</code>, so layout + * manager caches can be retained. + * </p> + * + * @param changed whether or not the receiver's contents have changed + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #computeSize(int, int, boolean) + */ +public void pack (boolean changed) { + checkWidget (); + setSize (computeSize (SWT.DEFAULT, SWT.DEFAULT, changed)); +} + +/** + * Causes the entire bounds of the receiver to be marked + * as needing to be redrawn. The next time a paint request + * is processed, the control will be completely painted, + * including the background. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #update + * @see PaintListener + * @see SWT#Paint + * @see SWT#NO_BACKGROUND + * @see SWT#NO_REDRAW_RESIZE + * @see SWT#NO_MERGE_PAINTS + * @see SWT#DOUBLE_BUFFERED + */ +public void redraw () { + checkWidget (); + redraw (false); +} + +void redraw (boolean all) { +// checkWidget (); + //TODO InvalidateVisual invalidates the entire visual tree + OS.UIElement_InvalidateVisual (topHandle ()); + OS.UIElement_InvalidateVisual (handle); +} + +/** + * Causes the rectangular area of the receiver specified by + * the arguments to be marked as needing to be redrawn. + * The next time a paint request is processed, that area of + * the receiver will be painted, including the background. + * If the <code>all</code> flag is <code>true</code>, any + * children of the receiver which intersect with the specified + * area will also paint their intersecting areas. If the + * <code>all</code> flag is <code>false</code>, the children + * will not be painted. + * + * @param x the x coordinate of the area to draw + * @param y the y coordinate of the area to draw + * @param width the width of the area to draw + * @param height the height of the area to draw + * @param all <code>true</code> if children should redraw, and <code>false</code> otherwise + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #update + * @see PaintListener + * @see SWT#Paint + * @see SWT#NO_BACKGROUND + * @see SWT#NO_REDRAW_RESIZE + * @see SWT#NO_MERGE_PAINTS + * @see SWT#DOUBLE_BUFFERED + */ +public void redraw (int x, int y, int width, int height, boolean all) { + checkWidget (); + if (width <= 0 || height <= 0) return; + //TODO redraw only rect + redraw(true); +} + +void register () { + display.addWidget (handle, this); +} + +void releaseHandle () { + super.releaseHandle (); + if (handle != 0) OS.GCHandle_Free (handle); + handle = 0; + parent = null; +} + +void releaseParent () { + parent.removeControl (this); +} + +void releaseWidget () { + super.releaseWidget (); +// if (toolTipText != null) { +// setToolTipText (getShell (), null); +// } + toolTipText = null; + if (menu != null && !menu.isDisposed ()) { + menu.dispose (); + } + menu = null; + cursor = null; + deregister (); + layoutData = null; + if (accessible != null) { + accessible.internal_dispose_Accessible (); + } + accessible = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is moved or resized. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ControlListener + * @see #addControlListener + */ +public void removeControlListener (ControlListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Move, listener); + eventTable.unhook (SWT.Resize, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control gains or loses focus. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see FocusListener + * @see #addFocusListener + */ +public void removeFocusListener(FocusListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.FocusIn, listener); + eventTable.unhook (SWT.FocusOut, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the help events are generated for the control. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see HelpListener + * @see #addHelpListener + */ +public void removeHelpListener (HelpListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Help, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when keys are pressed and released on the system keyboard. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see KeyListener + * @see #addKeyListener + */ +public void removeKeyListener(KeyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.KeyUp, listener); + eventTable.unhook (SWT.KeyDown, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the mouse passes or hovers over controls. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see MouseTrackListener + * @see #addMouseTrackListener + */ +public void removeMouseTrackListener(MouseTrackListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.MouseEnter, listener); + eventTable.unhook (SWT.MouseExit, listener); + eventTable.unhook (SWT.MouseHover, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when mouse buttons are pressed and released. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see MouseListener + * @see #addMouseListener + */ +public void removeMouseListener (MouseListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.MouseDown, listener); + eventTable.unhook (SWT.MouseUp, listener); + eventTable.unhook (SWT.MouseDoubleClick, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the mouse moves. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see MouseMoveListener + * @see #addMouseMoveListener + */ +public void removeMouseMoveListener(MouseMoveListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.MouseMove, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver needs to be painted. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see PaintListener + * @see #addPaintListener + */ +public void removePaintListener(PaintListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook(SWT.Paint, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when traversal events occur. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see TraverseListener + * @see #addTraverseListener + */ +public void removeTraverseListener(TraverseListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Traverse, listener); +} + +boolean sendFocusEvent (int type) { + Shell shell = getShell (); + + Display display = this.display; + sendEvent (type); + + /* + * It is possible that the shell may be + * disposed at this point. If this happens + * don't send the activate and deactivate + * events. + */ + if (!shell.isDisposed ()) { + switch (type) { + case SWT.FocusIn: + shell.setActiveControl (this); + break; + case SWT.FocusOut: + if (shell != display.getActiveShell ()) { + shell.setActiveControl (null); + } + break; + } + } + return true; +} + +/** + * Sets the receiver's background color to the color specified + * by the argument, or to the default system color for the control + * if the argument is null. + * + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setBackground (Color color) { + checkWidget (); + if (color != null) { + if (color.isDisposed ()) SWT.error (SWT.ERROR_INVALID_ARGUMENT); + if (background != 0 && OS.Object_Equals (color.handle, background)) return; + background = color.handle; + } else { + if (background == 0) return; + background = 0; + } + setBackground (); +// updateBackgroundColor (); +} + +int backgroundHandle () { + return handle; +} + +int backgroundProperty () { + return OS.Control_BackgroundProperty (); +} + +void setBackground () { + int backgroundHandle = backgroundHandle (); + int property = backgroundProperty (); + int brush = 0; + if (backgroundImage != null) { + brush = OS.gcnew_ImageBrush (backgroundImage.handle); + OS.TileBrush_TileMode (brush, OS.TileMode_Tile);//FIXME NOT WORKING + } else { + //TODO verify parent backgroundMode + int color = background; + if (color == 0) { + color = defaultBackground (); + if ((state & THEME_BACKGROUND) != 0) { + Control themeControl = findThemeControl (); + if (themeControl != null) { + if (color != 0) { + /* + * Feature in WPF. If the control does not have a background + * brush it does not receive input events. + * The fix is to set a transparent background. + */ + color = OS.Colors_Transparent; + } + } + } + } + if (color != 0) { + brush = OS.gcnew_SolidColorBrush (color); + } + } + if (brush != 0) { + OS.DependencyObject_SetValue (backgroundHandle, property, brush); + OS.GCHandle_Free (brush); + } else { + OS.DependencyObject_ClearValue (backgroundHandle, property); + } + OS.GCHandle_Free (property); +} + +/** + * Sets the receiver's background image to the image specified + * by the argument, or to the default system color for the control + * if the argument is null. The background image is tiled to fill + * the available space. + * + * @param image the new image (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * <li>ERROR_INVALID_ARGUMENT - if the argument is not a bitmap</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setBackgroundImage (Image image) { + checkWidget (); + if (image != null) { + if (image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + if (image.type != SWT.BITMAP) error (SWT.ERROR_INVALID_ARGUMENT); + } + if (backgroundImage == image) return; + backgroundImage = image; + setBackground (); +} + +/** + * Sets the receiver's size and location to the rectangular + * area specified by the arguments. The <code>x</code> and + * <code>y</code> arguments are relative to the receiver's + * parent (or its display if its parent is null), unless + * the receiver is a shell. In this case, the <code>x</code> + * and <code>y</code> arguments are relative to the display. + * <p> + * Note: Attempting to set the width or height of the + * receiver to a negative number will cause that + * value to be set to zero instead. + * </p> + * + * @param x the new x coordinate for the receiver + * @param y the new y coordinate for the receiver + * @param width the new width for the receiver + * @param height the new height for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setBounds (int x, int y, int width, int height) { + checkWidget (); + int flags = MOVED | RESIZED; + setBounds (x, y, Math.max (0, width), Math.max (0, height), flags); +} + +int setBounds (int x, int y, int width, int height, int flags) { + int result = 0; + int topHandle = topHandle (); + if ((flags & MOVED) != 0) { + int oldX = (int) OS.Canvas_GetLeft (topHandle); + int oldY = (int) OS.Canvas_GetTop (topHandle); + if (oldX != x) OS.Canvas_SetLeft (topHandle, x); + if (oldY != y) OS.Canvas_SetTop (topHandle, y); + if (oldX != x || oldY != y) { + sendEvent (SWT.Move); + if (isDisposed ()) return 0; + result |= MOVED; + } + } + if ((flags & RESIZED) != 0) { + int oldWidth = (int) OS.FrameworkElement_Width (topHandle); + int oldHeight = (int) OS.FrameworkElement_Height (topHandle); + if (oldWidth != width) OS.FrameworkElement_Width (topHandle, width); + if (oldHeight != height) OS.FrameworkElement_Height (topHandle, height); + if (oldWidth != width || oldHeight != height) { + sendEvent (SWT.Resize); + if (isDisposed ()) return 0; + result |= RESIZED; + } + } + return result; +} + +/** + * Sets the receiver's size and location to the rectangular + * area specified by the argument. The <code>x</code> and + * <code>y</code> fields of the rectangle are relative to + * the receiver's parent (or its display if its parent is null). + * <p> + * Note: Attempting to set the width or height of the + * receiver to a negative number will cause that + * value to be set to zero instead. + * </p> + * + * @param rect the new bounds for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setBounds (Rectangle rect) { + checkWidget (); + if (rect == null) error (SWT.ERROR_NULL_ARGUMENT); + setBounds (rect.x, rect.y, rect.width, rect.height); +} + +/** + * If the argument is <code>true</code>, causes the receiver to have + * all mouse events delivered to it until the method is called with + * <code>false</code> as the argument. + * + * @param capture <code>true</code> to capture the mouse, and <code>false</code> to release it + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setCapture (boolean capture) { + checkWidget (); + if (capture) { + OS.UIElement_CaptureMouse (handle); + } else { + OS.UIElement_ReleaseMouseCapture (handle); + } +} + +/** + * Sets the receiver's cursor to the cursor specified by the + * argument, or to the default cursor for that kind of control + * if the argument is null. + * <p> + * When the mouse pointer passes over a control its appearance + * is changed to match the control's cursor. + * </p> + * + * @param cursor the new cursor (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setCursor (Cursor cursor) { + checkWidget (); + if (cursor != null && cursor.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); + this.cursor = cursor; + if (cursor != null) { + OS.FrameworkElement_Cursor (handle, cursor.handle); + } else { + int property = OS.FrameworkElement_CursorProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + } +} + +/** + * Enables the receiver if the argument is <code>true</code>, + * and disables it otherwise. A disabled control is typically + * not selectable from the user interface and draws with an + * inactive or "grayed" look. + * + * @param enabled the new enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setEnabled (boolean enabled) { + checkWidget (); + if (OS.UIElement_IsEnabled (handle) == enabled) return; +// /* +// * Feature in Windows. If the receiver has focus, disabling +// * the receiver causes no window to have focus. The fix is +// * to assign focus to the first ancestor window that takes +// * focus. If no window will take focus, set focus to the +// * desktop. +// */ +// Control control = null; +// boolean fixFocus = false; +// if (!enabled) { +//// if (display.focusEvent != SWT.FocusOut) { +// control = display.getFocusControl (); +// fixFocus = isFocusAncestor (control); +//// } +// } + OS.UIElement_IsEnabled (handle, enabled); +// if (fixFocus) fixFocus (control); +} + +boolean setFixedFocus () { + if ((style & SWT.NO_FOCUS) != 0) return false; + return forceFocus (); +} + +/** + * Causes the receiver to have the <em>keyboard focus</em>, + * such that all keyboard events will be delivered to it. Focus + * reassignment will respect applicable platform constraints. + * + * @return <code>true</code> if the control got focus, and <code>false</code> if it was unable to. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #forceFocus + */ +public boolean setFocus () { + checkWidget (); + if ((style & SWT.NO_FOCUS) != 0) return false; + return forceFocus (); +} + +/** + * Sets the font that the receiver will use to paint textual information + * to the font specified by the argument, or to the default font for that + * kind of control if the argument is null. + * + * @param font the new font (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setFont (Font font) { + checkWidget (); + if (font != null) { + if (font.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); + } + this.font = font; + if (font == null) font = defaultFont(); + setFont (font.handle, font.size); +} + +void setFont (int font, double size) { + if (font != 0) { + int fontFamily = OS.Typeface_FontFamily( font); + int style = OS.Typeface_Style (font); + int weight = OS.Typeface_Weight (font); + int stretch = OS.Typeface_Stretch (font); + OS.Control_FontFamily (handle, fontFamily); + OS.Control_FontStyle (handle, style); + OS.Control_FontWeight (handle, weight); + OS.Control_FontStretch (handle, stretch); + OS.Control_FontSize (handle, size); + OS.GCHandle_Free (fontFamily); + OS.GCHandle_Free (style); + OS.GCHandle_Free (weight); + OS.GCHandle_Free (stretch); + } else { + int property = OS.Control_FontFamilyProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + property = OS.Control_FontStyleProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + property = OS.Control_FontWeightProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + property = OS.Control_FontStretchProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + property = OS.Control_FontSizeProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + } +} + +/** + * Sets the receiver's foreground color to the color specified + * by the argument, or to the default system color for the control + * if the argument is null. + * + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setForeground (Color color) { + checkWidget (); + int brush = 0; + if (color != null) { + if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); + if (foreground != 0 && OS.Object_Equals (color.handle, foreground)) return; + foreground = color.handle; + brush = OS.gcnew_SolidColorBrush (foreground); + } else { + if (foreground == 0) return; + foreground = 0; + } + setForegroundBrush (brush); + if (brush != 0) OS.GCHandle_Free (brush); +} + +void setForegroundBrush (int brush) { + if (brush != 0) { + OS.Control_Foreground (handle, brush); + } else { + int property = OS.Control_ForegroundProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + } +} + +/** + * Sets the layout data associated with the receiver to the argument. + * + * @param layoutData the new layout data for the receiver. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setLayoutData (Object layoutData) { + checkWidget (); + this.layoutData = layoutData; +} + +/** + * Sets the receiver's location to the point specified by + * the arguments which are relative to the receiver's + * parent (or its display if its parent is null), unless + * the receiver is a shell. In this case, the point is + * relative to the display. + * + * @param x the new x coordinate for the receiver + * @param y the new y coordinate for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setLocation (int x, int y) { + checkWidget (); + int flags = MOVED; + setBounds (x, y, 0, 0, flags); +} + +/** + * Sets the receiver's location to the point specified by + * the arguments which are relative to the receiver's + * parent (or its display if its parent is null), unless + * the receiver is a shell. In this case, the point is + * relative to the display. + * + * @param location the new location for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setLocation (Point location) { + checkWidget (); + if (location == null) error (SWT.ERROR_NULL_ARGUMENT); + setLocation (location.x, location.y); +} + +/** + * Sets the receiver's pop up menu to the argument. + * All controls may optionally have a pop up + * menu that is displayed when the user requests one for + * the control. The sequence of key strokes, button presses + * and/or button releases that are used to request a pop up + * menu is platform specific. + * <p> + * Note: Disposing of a control that has a pop up menu will + * dispose of the menu. To avoid this behavior, set the + * menu to null before the control is disposed. + * </p> + * + * @param menu the new pop up menu + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_MENU_NOT_POP_UP - the menu is not a pop up menu</li> + * <li>ERROR_INVALID_PARENT - if the menu is not in the same widget tree</li> + * <li>ERROR_INVALID_ARGUMENT - if the menu has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMenu (Menu menu) { + checkWidget (); + if (menu != null) { + if (menu.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); + if ((menu.style & SWT.POP_UP) == 0) { + error (SWT.ERROR_MENU_NOT_POP_UP); + } + if (menu.parent != menuShell ()) { + error (SWT.ERROR_INVALID_PARENT); + } + } + this.menu = menu; + OS.FrameworkElement_ContextMenu(handle, menu != null ? menu.handle : 0); +} + +boolean setRadioFocus () { + return false; +} + +boolean setRadioSelection (boolean value) { + return false; +} + +/** + * If the argument is <code>false</code>, causes subsequent drawing + * operations in the receiver to be ignored. No drawing of any kind + * can occur in the receiver until the flag is set to true. + * Graphics operations that occurred while the flag was + * <code>false</code> are lost. When the flag is set to <code>true</code>, + * the entire widget is marked as needing to be redrawn. Nested calls + * to this method are stacked. + * <p> + * Note: This operation is a hint and may not be supported on some + * platforms or for some widgets. + * </p> + * + * @param redraw the new redraw state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #redraw(int, int, int, int, boolean) + * @see #update + */ +public void setRedraw (boolean redraw) { + checkWidget (); + /* + * Feature in Windows. When WM_SETREDRAW is used to turn + * off drawing in a widget, it clears the WS_VISIBLE bits + * and then sets them when redraw is turned back on. This + * means that WM_SETREDRAW will make a widget unexpectedly + * visible. The fix is to track the visibility state while + * drawing is turned off and restore it when drawing is + * turned back on. + */ +// if (drawCount == 0) { +// int bits = OS.GetWindowLong (handle, OS.GWL_STYLE); +// if ((bits & OS.WS_VISIBLE) == 0) state |= HIDDEN; +// } +// if (redraw) { +// if (--drawCount == 0) { +// OS.SendMessage (handle, OS.WM_SETREDRAW, 1, 0); +// if ((state & HIDDEN) != 0) { +// state &= ~HIDDEN; +// OS.ShowWindow (handle, OS.SW_HIDE); +// } else { +// if (OS.IsWinCE) { +// OS.InvalidateRect (handle, null, true); +// } else { +// int flags = OS.RDW_ERASE | OS.RDW_FRAME | OS.RDW_INVALIDATE | OS.RDW_ALLCHILDREN; +// OS.RedrawWindow (handle, null, 0, flags); +// } +// } +// } +// } else { +// if (drawCount++ == 0) { +// OS.SendMessage (handle, OS.WM_SETREDRAW, 0, 0); +// } +// } + redraw (); +} + +boolean setSavedFocus () { + return forceFocus (); +} + +/** + * Sets the receiver's size to the point specified by the arguments. + * <p> + * Note: Attempting to set the width or height of the + * receiver to a negative number will cause that + * value to be set to zero instead. + * </p> + * + * @param width the new width for the receiver + * @param height the new height for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSize (int width, int height) { + checkWidget (); + int flags = RESIZED; + setBounds (0, 0, Math.max (0, width), Math.max (0, height), flags); +} + +/** + * Sets the receiver's size to the point specified by the argument. + * <p> + * Note: Attempting to set the width or height of the + * receiver to a negative number will cause them to be + * set to zero instead. + * </p> + * + * @param size the new size for the receiver + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSize (Point size) { + checkWidget (); + if (size == null) error (SWT.ERROR_NULL_ARGUMENT); + setSize (size.x, size.y); +} + +boolean setTabGroupFocus () { + return setTabItemFocus (); +} + +boolean setTabItemFocus () { + if (!isShowing ()) return false; + return forceFocus (); +} + +/** + * Sets the receiver's tool tip text to the argument, which + * may be null indicating that no tool tip text should be shown. + * + * @param string the new tool tip text (or null) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setToolTipText (String string) { + checkWidget (); + toolTipText = string; + int strPtr = createDotNetString (string, false); + OS.FrameworkElement_ToolTip (handle, strPtr); + if (strPtr != 0) OS.GCHandle_Free (strPtr); +} + +/** + * Marks the receiver as visible if the argument is <code>true</code>, + * and marks it invisible otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, marking + * it visible may not actually cause it to be displayed. + * </p> + * + * @param visible the new visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setVisible (boolean visible) { + checkWidget (); + int topHandle = topHandle (); + if ((OS.UIElement_Visibility (topHandle) == OS.Visibility_Visible) == visible) return; + if (visible) { + sendEvent (SWT.Show); + if (isDisposed ()) return; + } + + /* + * Feature in Windows. If the receiver has focus, hiding + * the receiver causes no window to have focus. The fix is + * to assign focus to the first ancestor window that takes + * focus. If no window will take focus, set focus to the + * desktop. + */ +// Control control = null; +// boolean fixFocus = false; +// if (!visible) { +//// if (display.focusEvent != SWT.FocusOut) { +// control = display.getFocusControl (); +// fixFocus = isFocusAncestor (control); +//// } +// } + OS.UIElement_Visibility (topHandle, visible ? OS.Visibility_Visible : OS.Visibility_Hidden); + if (isDisposed ()) return; + if (!visible) { + sendEvent (SWT.Hide); + if (isDisposed ()) return; + } +// if (fixFocus) fixFocus (control); +} + +void sort (int [] items) { + /* Shell Sort from K&R, pg 108 */ + int length = items.length; + for (int gap=length/2; gap>0; gap/=2) { + for (int i=gap; i<length; i++) { + for (int j=i-gap; j>=0; j-=gap) { + if (items [j] <= items [j + gap]) { + int swap = items [j]; + items [j] = items [j + gap]; + items [j + gap] = swap; + } + } + } + } +} + +/** + * Returns a point which is the result of converting the + * argument, which is specified in display relative coordinates, + * to coordinates relative to the receiver. + * <p> + * @param x the x coordinate to be translated + * @param y the y coordinate to be translated + * @return the translated coordinates + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.1 + */ +public Point toControl (int x, int y) { + checkWidget (); + int point = OS.gcnew_Point (x, y); + int result = OS.Visual_PointFromScreen (handle, point); + OS.GCHandle_Free (point); + x = (int) OS.Point_X (result); + y = (int) OS.Point_Y (result); + OS.GCHandle_Free (result); + return new Point (x, y); +} + +/** + * Returns a point which is the result of converting the + * argument, which is specified in display relative coordinates, + * to coordinates relative to the receiver. + * <p> + * @param point the point to be translated (must not be null) + * @return the translated coordinates + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Point toControl (Point point) { + checkWidget (); + if (point == null) error (SWT.ERROR_NULL_ARGUMENT); + return toControl (point.x, point.y); +} + +/** + * Returns a point which is the result of converting the + * argument, which is specified in coordinates relative to + * the receiver, to display relative coordinates. + * <p> + * @param x the x coordinate to be translated + * @param y the y coordinate to be translated + * @return the translated coordinates + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.1 + */ +public Point toDisplay (int x, int y) { + checkWidget (); + int point = OS.gcnew_Point (x, y); + int result = OS.Visual_PointToScreen (handle, point); + OS.GCHandle_Free (point); + x = (int) OS.Point_X (result); + y = (int) OS.Point_Y (result); + OS.GCHandle_Free (result); + return new Point (x, y); +} + +/** + * Returns a point which is the result of converting the + * argument, which is specified in coordinates relative to + * the receiver, to display relative coordinates. + * <p> + * @param point the point to be translated (must not be null) + * @return the translated coordinates + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Point toDisplay (Point point) { + checkWidget (); + if (point == null) error (SWT.ERROR_NULL_ARGUMENT); + return toDisplay (point.x, point.y); +} + +boolean translateMnemonic (Event event, Control control) { + if (control == this) return false; + if (!isVisible () || !isEnabled ()) return false; + event.doit = mnemonicMatch (event.character); + return traverse (event); +} + +boolean translateMnemonic (int e) { + int key = OS.KeyEventArgs_Key(e); + if (key < 0x20) return false; + int keyboardDevice = OS.KeyboardEventArgs_KeyboardDevice(e); + int modifiers = OS.KeyboardDevice_Modifiers(keyboardDevice); + OS.GCHandle_Free(keyboardDevice); + if (modifiers == 0) { + int code = traversalCode (key, e); + if ((code & SWT.TRAVERSE_MNEMONIC) == 0) return false; + } else { + if ((modifiers & OS.ModifierKeys_Alt) == 0) return false; + } + Decorations shell = menuShell (); + if (shell.isVisible () && shell.isEnabled ()) { + Event event = new Event (); + event.detail = SWT.TRAVERSE_MNEMONIC; + if (setKeyState (event, SWT.Traverse, e)) { + return translateMnemonic (event, null) || shell.translateMnemonic (event, this); + } + } + return false; +} + +int traversalCode (int key, int event) { + int code = SWT.TRAVERSE_RETURN | SWT.TRAVERSE_TAB_NEXT | SWT.TRAVERSE_TAB_PREVIOUS | SWT.TRAVERSE_PAGE_NEXT | SWT.TRAVERSE_PAGE_PREVIOUS; + Shell shell = getShell (); + if (shell.parent != null) code |= SWT.TRAVERSE_ESCAPE; + return code; +} + +boolean translateTraversal (int e) { + int detail = SWT.TRAVERSE_NONE; + int key = OS.KeyEventArgs_Key(e); + int code = traversalCode (key, e); + boolean all = false; + switch (key) { + case OS.Key_Escape: { + all = true; + detail = SWT.TRAVERSE_ESCAPE; + break; + } + case OS.Key_Return: { + all = true; + detail = SWT.TRAVERSE_RETURN; + break; + } + case OS.Key_Tab: { + int keyboardDevice = OS.KeyboardEventArgs_KeyboardDevice(e); + int modifiers = OS.KeyboardDevice_Modifiers(keyboardDevice); + OS.GCHandle_Free(keyboardDevice); + boolean next = (modifiers & OS.ModifierKeys_Shift) == 0; + detail = next ? SWT.TRAVERSE_TAB_NEXT : SWT.TRAVERSE_TAB_PREVIOUS; + break; + } + case OS.Key_Up: + case OS.Key_Left: + case OS.Key_Down: + case OS.Key_Right: { + boolean next = key == OS.Key_Down || key == OS.Key_Right; + detail = next ? SWT.TRAVERSE_ARROW_NEXT : SWT.TRAVERSE_ARROW_PREVIOUS; + break; + } + case OS.Key_PageUp: + case OS.Key_PageDown: { + all = true; + //if ((keyEvent.state & OS.GDK_CONTROL_MASK) == 0) return false; + detail = key == OS.Key_PageDown ? SWT.TRAVERSE_PAGE_NEXT : SWT.TRAVERSE_PAGE_PREVIOUS; + break; + } + default: + return false; + } + Event event = new Event (); + event.doit = (code & detail) != 0; + event.detail = detail; + event.time = OS.InputEventArgs_Timestamp (e); + if (!setKeyState (event, SWT.Traverse, e)) return false; + Shell shell = getShell (); + Control control = this; + do { + if (control.traverse (event)) return true; + if (!event.doit && control.hooks (SWT.Traverse)) return false; + if (control == shell) return false; + control = control.parent; + } while (all && control != null); + return false; +} + +boolean traverse (Event event) { + /* + * It is possible (but unlikely), that application + * code could have disposed the widget in the traverse + * event. If this happens, return true to stop further + * event processing. + */ + sendEvent (SWT.Traverse, event); + if (isDisposed ()) return true; + if (!event.doit) return false; + switch (event.detail) { + case SWT.TRAVERSE_NONE: return true; + case SWT.TRAVERSE_ESCAPE: return traverseEscape (); + case SWT.TRAVERSE_RETURN: return traverseReturn (); + case SWT.TRAVERSE_TAB_NEXT: return traverseGroup (true); + case SWT.TRAVERSE_TAB_PREVIOUS: return traverseGroup (false); + case SWT.TRAVERSE_ARROW_NEXT: return traverseItem (true); + case SWT.TRAVERSE_ARROW_PREVIOUS: return traverseItem (false); + case SWT.TRAVERSE_MNEMONIC: return traverseMnemonic (event.character); + case SWT.TRAVERSE_PAGE_NEXT: return traversePage (true); + case SWT.TRAVERSE_PAGE_PREVIOUS: return traversePage (false); + } + return false; +} + +/** + * Based on the argument, perform one of the expected platform + * traversal action. The argument should be one of the constants: + * <code>SWT.TRAVERSE_ESCAPE</code>, <code>SWT.TRAVERSE_RETURN</code>, + * <code>SWT.TRAVERSE_TAB_NEXT</code>, <code>SWT.TRAVERSE_TAB_PREVIOUS</code>, + * <code>SWT.TRAVERSE_ARROW_NEXT</code> and <code>SWT.TRAVERSE_ARROW_PREVIOUS</code>. + * + * @param traversal the type of traversal + * @return true if the traversal succeeded + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean traverse (int traversal) { + checkWidget (); + Event event = new Event (); + event.doit = true; + event.detail = traversal; + return traverse (event); +} + +boolean traverseEscape () { + return false; +} + +boolean traverseGroup (boolean next) { + Control root = computeTabRoot (); + Control group = computeTabGroup (); + Control [] list = root.computeTabList (); + int length = list.length; + int index = 0; + while (index < length) { + if (list [index] == group) break; + index++; + } + /* + * It is possible (but unlikely), that application + * code could have disposed the widget in focus in + * or out events. Ensure that a disposed widget is + * not accessed. + */ + if (index == length) return false; + int start = index, offset = (next) ? 1 : -1; + while ((index = ((index + offset + length) % length)) != start) { + Control control = list [index]; + if (!control.isDisposed () && control.setTabGroupFocus ()) { + return true; + } + } + if (group.isDisposed ()) return false; + return group.setTabGroupFocus (); +} + +boolean traverseItem (boolean next) { + Control [] children = parent._getChildren (); + int length = children.length; + int index = 0; + while (index < length) { + if (children [index] == this) break; + index++; + } + /* + * It is possible (but unlikely), that application + * code could have disposed the widget in focus in + * or out events. Ensure that a disposed widget is + * not accessed. + */ + if (index == length) return false; + int start = index, offset = (next) ? 1 : -1; + while ((index = (index + offset + length) % length) != start) { + Control child = children [index]; + if (!child.isDisposed () && child.isTabItem ()) { + if (child.setTabItemFocus ()) return true; + } + } + return false; +} + +boolean traverseMnemonic (char key) { + return mnemonicHit (key); +} + +boolean traversePage (boolean next) { + return false; +} + +boolean traverseReturn () { + return false; +} + +/** + * Forces all outstanding paint requests for the widget + * to be processed before this method returns. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #redraw + * @see #redraw(int, int, int, int, boolean) + * @see PaintListener + * @see SWT#Paint + */ +public void update () { + checkWidget (); + update (false); +} + +void update (boolean all) { + checkWidget (); + //TODO +// if (OS.IsWinCE) { +// OS.UpdateWindow (handle); +// } else { +// int flags = OS.RDW_UPDATENOW; +// if (all) flags |= OS.RDW_ALLCHILDREN; +// OS.RedrawWindow (handle, null, 0, flags); +// } +} + +void updateBackgroundColor () { +// Control control = findBackgroundControl (); +// if (control == null) control = this; +// setBackgroundPixel (control.background); +} + +void updateBackgroundImage () { +// Control control = findBackgroundControl (); +// Image image = control != null ? control.backgroundImage : backgroundImage; +// setBackgroundImage (image != null ? image.handle : 0); +} + +void updateBackgroundMode () { + int oldState = state & PARENT_BACKGROUND; + checkBackground (); + if (oldState != (state & PARENT_BACKGROUND)) { + setBackground (); + } +} + +void updateFont (Font oldFont, Font newFont) { + if (getFont ().equals (oldFont)) setFont (newFont); +} + +void updateImages () { + /* Do nothing */ +} + +void updateLayout (boolean resize, boolean all) { + /* Do nothing */ +} + +int widgetParent () { + return parent.handle; +} + +/** + * Changes the parent of the widget to be the one provided if + * the underlying operating system supports this feature. + * Returns <code>true</code> if the parent is successfully changed. + * + * @param parent the new parent for the control. + * @return <code>true</code> if the parent is changed and <code>false</code> otherwise. + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * <li>ERROR_NULL_ARGUMENT - if the parent is <code>null</code></li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean setParent (Composite parent) { + checkWidget (); + if (parent == null) error (SWT.ERROR_NULL_ARGUMENT); + if (parent.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); + if (this.parent == parent) return true; + if (!isReparentable ()) return false; + return true; +} + +} + diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Decorations.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Decorations.java new file mode 100644 index 0000000000..3aeef98f2d --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Decorations.java @@ -0,0 +1,862 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class provide the appearance and + * behavior of <code>Shells</code>, but are not top + * level shells or dialogs. Class <code>Shell</code> + * shares a significant amount of code with this class, + * and is a subclass. + * <p> + * IMPORTANT: This class was intended to be abstract and + * should <em>never</em> be referenced or instantiated. + * Instead, the class <code>Shell</code> should be used. + * </p> + * <p> + * Instances are always displayed in one of the maximized, + * minimized or normal states: + * <ul> + * <li> + * When an instance is marked as <em>maximized</em>, the + * window manager will typically resize it to fill the + * entire visible area of the display, and the instance + * is usually put in a state where it can not be resized + * (even if it has style <code>RESIZE</code>) until it is + * no longer maximized. + * </li><li> + * When an instance is in the <em>normal</em> state (neither + * maximized or minimized), its appearance is controlled by + * the style constants which were specified when it was created + * and the restrictions of the window manager (see below). + * </li><li> + * When an instance has been marked as <em>minimized</em>, + * its contents (client area) will usually not be visible, + * and depending on the window manager, it may be + * "iconified" (that is, replaced on the desktop by a small + * simplified representation of itself), relocated to a + * distinguished area of the screen, or hidden. Combinations + * of these changes are also possible. + * </li> + * </ul> + * </p> + * Note: The styles supported by this class must be treated + * as <em>HINT</em>s, since the window manager for the + * desktop on which the instance is visible has ultimate + * control over the appearance and behavior of decorations. + * For example, some window managers only support resizable + * windows and will always assume the RESIZE style, even if + * it is not set. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>BORDER, CLOSE, MIN, MAX, NO_TRIM, RESIZE, TITLE, ON_TOP, TOOL</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * Class <code>SWT</code> provides two "convenience constants" + * for the most commonly required style combinations: + * <dl> + * <dt><code>SHELL_TRIM</code></dt> + * <dd> + * the result of combining the constants which are required + * to produce a typical application top level shell: (that + * is, <code>CLOSE | TITLE | MIN | MAX | RESIZE</code>) + * </dd> + * <dt><code>DIALOG_TRIM</code></dt> + * <dd> + * the result of combining the constants which are required + * to produce a typical application dialog shell: (that + * is, <code>TITLE | CLOSE | BORDER</code>) + * </dd> + * </dl> + * <p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + * + * @see #getMinimized + * @see #getMaximized + * @see Shell + * @see SWT + */ + +public class Decorations extends Canvas { + int shellHandle; + Image image; +// Image image, smallImage, largeImage; + Image [] images; + Menu menuBar; + Menu [] menus; + Control savedFocus; + Button defaultButton, saveDefault; + +/** + * Prevents uninitialized instances from being created outside the package. + */ +Decorations () { +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#BORDER + * @see SWT#CLOSE + * @see SWT#MIN + * @see SWT#MAX + * @see SWT#RESIZE + * @see SWT#TITLE + * @see SWT#NO_TRIM + * @see SWT#SHELL_TRIM + * @see SWT#DIALOG_TRIM + * @see SWT#ON_TOP + * @see SWT#TOOL + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Decorations (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +void addMenu (Menu menu) { + if (menus == null) menus = new Menu [4]; + for (int i=0; i<menus.length; i++) { + if (menus [i] == null) { + menus [i] = menu; + return; + } + } + Menu [] newMenus = new Menu [menus.length + 4]; + newMenus [menus.length] = menu; + System.arraycopy (menus, 0, newMenus, 0, menus.length); + menus = newMenus; +} + +void bringToTop () { +// /* +// * This code is intentionally commented. On some platforms, +// * the ON_TOP style creates a shell that will stay on top +// * of every other shell on the desktop. Using SetWindowPos () +// * with HWND_TOP caused problems on Windows 98 so this code is +// * commented out until this functionality is specified and +// * the problems are fixed. +// */ +//// if ((style & SWT.ON_TOP) != 0) { +//// int flags = OS.SWP_NOSIZE | OS.SWP_NOMOVE | OS.SWP_NOACTIVATE; +//// OS.SetWindowPos (handle, OS.HWND_TOP, 0, 0, 0, 0, flags); +//// } else { +// OS.BringWindowToTop (handle); +// // widget could be disposed at this point +//// } +} + +static int checkStyle (int style) { + if ((style & SWT.NO_TRIM) != 0) { + style &= ~(SWT.CLOSE | SWT.TITLE | SWT.MIN | SWT.MAX | SWT.RESIZE | SWT.BORDER); + } + if ((style & (SWT.MENU | SWT.MIN | SWT.MAX | SWT.CLOSE)) != 0) { + style |= SWT.TITLE; + } +// +// /* +// * If either WS_MINIMIZEBOX or WS_MAXIMIZEBOX are set, +// * we must also set WS_SYSMENU or the buttons will not +// * appear. +// */ +// if ((style & (SWT.MIN | SWT.MAX)) != 0) style |= SWT.CLOSE; +// +// /* +// * Both WS_SYSMENU and WS_CAPTION must be set in order +// * to for the system menu to appear. +// */ +// if ((style & SWT.CLOSE) != 0) style |= SWT.TITLE; +// +// /* +// * Bug in Windows. The WS_CAPTION style must be +// * set when the window is resizable or it does not +// * draw properly. +// */ +// /* +// * This code is intentionally commented. It seems +// * that this problem originally in Windows 3.11, +// * has been fixed in later versions. Because the +// * exact nature of the drawing problem is unknown, +// * keep the commented code around in case it comes +// * back. +// */ +//// if ((style & SWT.RESIZE) != 0) style |= SWT.TITLE; +// + return style; +} + +void checkBorder () { + /* Do nothing */ +} + +void checkOpened () { + //TODO - add back +// if (!opened) resized = false; +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +void closeWidget () { + Event event = new Event (); + sendEvent (SWT.Close, event); + if (event.doit && !isDisposed ()) dispose (); +} + +int compare (ImageData data1, ImageData data2, int width, int height, int depth) { + int value1 = Math.abs (data1.width - width), value2 = Math.abs (data2.width - width); + if (value1 == value2) { + int transparent1 = data1.getTransparencyType (); + int transparent2 = data2.getTransparencyType (); + if (transparent1 == transparent2) { + if (data1.depth == data2.depth) return 0; + return data1.depth > data2.depth && data1.depth <= depth ? -1 : 1; + } + //if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (5, 1)) { + if (transparent1 == SWT.TRANSPARENCY_ALPHA) return -1; + if (transparent2 == SWT.TRANSPARENCY_ALPHA) return 1; + //} + if (transparent1 == SWT.TRANSPARENCY_MASK) return -1; + if (transparent2 == SWT.TRANSPARENCY_MASK) return 1; + if (transparent1 == SWT.TRANSPARENCY_PIXEL) return -1; + if (transparent2 == SWT.TRANSPARENCY_PIXEL) return 1; + return 0; + } + return value1 < value2 ? -1 : 1; +} + +Control computeTabGroup () { + return this; +} + +Control computeTabRoot () { + return this; +} + +public void dispose () { + if (isDisposed()) return; + if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); + if (!(this instanceof Shell)) { + setVisible (false); + if (!traverseDecorations (false)) { + Shell shell = getShell (); + shell.setFocus (); + } + } + super.dispose (); +} + +Menu findMenu (int hMenu) { + if (menus == null) return null; + for (int i=0; i<menus.length; i++) { + Menu menu = menus [i]; + if (menu != null && hMenu == menu.handle) return menu; + } + return null; +} + +void fixDecorations (Decorations newDecorations, Control control, Menu [] menus) { + if (this == newDecorations) return; + if (control == savedFocus) savedFocus = null; + if (control == defaultButton) defaultButton = null; + if (control == saveDefault) saveDefault = null; + if (menus == null) return; + Menu menu = control.menu; + if (menu != null) { + int index = 0; + while (index <menus.length) { + if (menus [index] == menu) { + control.setMenu (null); + return; + } + index++; + } + menu.fixMenus (newDecorations); +// destroyAccelerators (); +// newDecorations.destroyAccelerators (); + } +} + +/** + * Returns the receiver's default button if one had + * previously been set, otherwise returns null. + * + * @return the default button or null + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setDefaultButton + */ +public Button getDefaultButton () { + checkWidget (); + return defaultButton; +} + +/** + * Returns the receiver's image if it had previously been + * set using <code>setImage()</code>. The image is typically + * displayed by the window manager when the instance is + * marked as iconified, and may also be displayed somewhere + * in the trim when the instance is in normal or maximized + * states. + * <p> + * Note: This method will return null if called before + * <code>setImage()</code> is called. It does not provide + * access to a window manager provided, "default" image + * even if one exists. + * </p> + * + * @return the image + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Image getImage () { + checkWidget (); + return image; +} + +/** + * Returns the receiver's images if they had previously been + * set using <code>setImages()</code>. Images are typically + * displayed by the window manager when the instance is + * marked as iconified, and may also be displayed somewhere + * in the trim when the instance is in normal or maximized + * states. Depending where the icon is displayed, the platform + * chooses the icon with the "best" attributes. It is expected + * that the array will contain the same icon rendered at different + * sizes, with different depth and transparency attributes. + * + * <p> + * Note: This method will return an empty array if called before + * <code>setImages()</code> is called. It does not provide + * access to a window manager provided, "default" image + * even if one exists. + * </p> + * + * @return the images + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public Image [] getImages () { + checkWidget (); + if (images == null) return new Image [0]; + Image [] result = new Image [images.length]; + System.arraycopy (images, 0, result, 0, images.length); + return result; +} + +/** + * Returns <code>true</code> if the receiver is currently + * maximized, and false otherwise. + * <p> + * + * @return the maximized state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setMaximized + */ +public boolean getMaximized () { + checkWidget (); + return OS.Window_WindowState (shellHandle) == OS.WindowState_Maximized; +} + +/** + * Returns the receiver's menu bar if one had previously + * been set, otherwise returns null. + * + * @return the menu bar or null + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Menu getMenuBar () { + checkWidget (); + return menuBar; +} + +/** + * Returns <code>true</code> if the receiver is currently + * minimized, and false otherwise. + * <p> + * + * @return the minimized state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setMinimized + */ +public boolean getMinimized () { + checkWidget (); + return OS.Window_WindowState (shellHandle) == OS.WindowState_Minimized; +} + +String getNameText () { + return getText (); +} + +/** + * Returns the receiver's text, which is the string that the + * window manager will typically display as the receiver's + * <em>title</em>. If the text has not previously been set, + * returns an empty string. + * + * @return the text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getText () { + checkWidget (); + int shellHandle = topHandle (); + int str = OS.Window_Title (shellHandle); + String string = createJavaString(str); + OS.GCHandle_Free (str); + return string; +} + +public boolean isReparentable () { + checkWidget (); + /* + * Feature in Windows. Calling SetParent() for a shell causes + * a kind of fake MDI to happen. It doesn't work well on Windows + * and is not supported on the other platforms. The fix is to + * disallow the SetParent(). + */ + return false; +} + +boolean isTabGroup () { + /* + * Can't test WS_TAB bits because they are the same as WS_MAXIMIZEBOX. + */ + return true; +} + +boolean isTabItem () { + /* + * Can't test WS_TAB bits because they are the same as WS_MAXIMIZEBOX. + */ + return false; +} + +Decorations menuShell () { + return this; +} + +void releaseChildren (boolean destroy) { + if (menuBar != null) { + menuBar.release (false); + menuBar = null; + } + super.releaseChildren (destroy); + if (menus != null) { + for (int i=0; i<menus.length; i++) { + Menu menu = menus [i]; + if (menu != null && !menu.isDisposed ()) { + menu.dispose (); + } + } + menus = null; + } +} + +void releaseWidget () { + super.releaseWidget (); + image = null; + images = null; +// savedFocus = null; +// defaultButton = saveDefault = null; +} + +void removeMenu (Menu menu) { + if (menus == null) return; + for (int i=0; i<menus.length; i++) { + if (menus [i] == menu) { + menus [i] = null; + return; + } + } +} + +boolean restoreFocus () { +// if (display.ignoreRestoreFocus) return true; + + if (savedFocus != null && savedFocus.isDisposed ()) savedFocus = null; + if (savedFocus != null && savedFocus.setSavedFocus ()) return true; + /* + * This code is intentionally commented. When no widget + * has been given focus, some platforms give focus to the + * default button. Windows doesn't do this. + */ +// if (defaultButton != null && !defaultButton.isDisposed ()) { +// if (defaultButton.setFocus ()) return true; +// } + return false; +} + +void saveFocus () { + Control control = display._getFocusControl (); + if (control != null && control != this && this == control.menuShell ()) { + setSavedFocus (control); + } +} + +/** + * If the argument is not null, sets the receiver's default + * button to the argument, and if the argument is null, sets + * the receiver's default button to the first button which + * was set as the receiver's default button (called the + * <em>saved default button</em>). If no default button had + * previously been set, or the saved default button was + * disposed, the receiver's default button will be set to + * null. + * <p> + * The default button is the button that is selected when + * the receiver is active and the user presses ENTER. + * </p> + * + * @param button the new default button + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the button has been disposed</li> + * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setDefaultButton (Button button) { + checkWidget (); + if (button != null) { + if (button.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + if (button.menuShell () != this) error(SWT.ERROR_INVALID_PARENT); + } + setDefaultButton (button, true); +} + +void setDefaultButton (Button button, boolean save) { + if (button == null) { + if (defaultButton == saveDefault) { + if (save) saveDefault = null; + return; + } + } else { + if ((button.style & SWT.PUSH) == 0) return; + if (button == defaultButton) return; + } + if (defaultButton != null) { + if (!defaultButton.isDisposed ()) defaultButton.setDefault (false); + } + if ((defaultButton = button) == null) defaultButton = saveDefault; + if (defaultButton != null) { + if (!defaultButton.isDisposed ()) defaultButton.setDefault (true); + } + if (save) saveDefault = defaultButton; + if (saveDefault != null && saveDefault.isDisposed ()) saveDefault = null; +} + +/** + * Sets the receiver's image to the argument, which may + * be null. The image is typically displayed by the window + * manager when the instance is marked as iconified, and + * may also be displayed somewhere in the trim when the + * instance is in normal or maximized states. + * + * @param image the new image (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setImage (Image image) { + checkWidget (); + if (image != null && image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + this.image = image; + setImages (image, null); +} + +void setImages (Image image, Image [] images) { + //TODO +} + +/** + * Sets the receiver's images to the argument, which may + * be an empty array. Images are typically displayed by the + * window manager when the instance is marked as iconified, + * and may also be displayed somewhere in the trim when the + * instance is in normal or maximized states. Depending where + * the icon is displayed, the platform chooses the icon with + * the "best" attributes. It is expected that the array will + * contain the same icon rendered at different sizes, with + * different depth and transparency attributes. + * + * @param images the new image array + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the array of images is null</li> + * <li>ERROR_INVALID_ARGUMENT - if one of the images is null or has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setImages (Image [] images) { + checkWidget (); + if (images == null) error (SWT.ERROR_INVALID_ARGUMENT); + for (int i = 0; i < images.length; i++) { + if (images [i] == null || images [i].isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + } + this.images = images; + setImages (null, images); +} + +/** + * Sets the maximized state of the receiver. + * If the argument is <code>true</code> causes the receiver + * to switch to the maximized state, and if the argument is + * <code>false</code> and the receiver was previously maximized, + * causes the receiver to switch back to either the minimized + * or normal states. + * <p> + * Note: The result of intermixing calls to <code>setMaximized(true)</code> + * and <code>setMinimized(true)</code> will vary by platform. Typically, + * the behavior will match the platform user's expectations, but not + * always. This should be avoided if possible. + * </p> + * + * @param maximized the new maximized state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setMinimized + */ +public void setMaximized (boolean maximized) { + checkWidget (); + int state = maximized ? OS.WindowState_Maximized : OS.WindowState_Normal; + OS.Window_WindowState (shellHandle, state); +} + +/** + * Sets the receiver's menu bar to the argument, which + * may be null. + * + * @param menu the new menu bar + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the menu has been disposed</li> + * <li>ERROR_INVALID_PARENT - if the menu is not in the same widget tree</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMenuBar (Menu menu) { + checkWidget (); + if (menuBar == menu) return; + if (menu != null) { + if (menu.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); + if ((menu.style & SWT.BAR) == 0) error (SWT.ERROR_MENU_NOT_BAR); + if (menu.parent != this) error (SWT.ERROR_INVALID_PARENT); + } + int children = OS.Panel_Children (scrolledHandle); + if (menuBar != null) { + OS.Menu_IsMainMenu (menuBar.handle, false); + OS.UIElementCollection_Remove (children, menuBar.handle); + } + menuBar = menu; + if (menuBar != null) { + int menuHandle = menuBar.handle; + OS.Menu_IsMainMenu (menuHandle, true); + OS.Grid_SetRow (menuHandle, 0); + OS.Grid_SetColumn (menuHandle, 0); + OS.Grid_SetColumnSpan (menuHandle, 2); + OS.UIElementCollection_Add (children, menuHandle); + } + OS.GCHandle_Free (children); +} + +/** + * Sets the minimized stated of the receiver. + * If the argument is <code>true</code> causes the receiver + * to switch to the minimized state, and if the argument is + * <code>false</code> and the receiver was previously minimized, + * causes the receiver to switch back to either the maximized + * or normal states. + * <p> + * Note: The result of intermixing calls to <code>setMaximized(true)</code> + * and <code>setMinimized(true)</code> will vary by platform. Typically, + * the behavior will match the platform user's expectations, but not + * always. This should be avoided if possible. + * </p> + * + * @param minimized the new maximized state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setMaximized + */ +public void setMinimized (boolean minimized) { + checkWidget (); + int state = minimized ? OS.WindowState_Minimized : OS.WindowState_Normal; + OS.Window_WindowState (shellHandle, state); +} + +void setSavedFocus (Control control) { + savedFocus = control; +} + +/** + * Sets the receiver's text, which is the string that the + * window manager will typically display as the receiver's + * <em>title</em>, to the argument, which must not be null. + * + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int strPtr = createDotNetString (string, false); + int shellHandle = topHandle (); + OS.Window_Title (shellHandle, strPtr); + OS.GCHandle_Free (strPtr); +} + +void sort (Image [] images, ImageData [] datas, int width, int height, int depth) { + /* Shell Sort from K&R, pg 108 */ + int length = images.length; + if (length <= 1) return; + for (int gap=length/2; gap>0; gap/=2) { + for (int i=gap; i<length; i++) { + for (int j=i-gap; j>=0; j-=gap) { + if (compare (datas [j], datas [j + gap], width, height, depth) >= 0) { + Image swap = images [j]; + images [j] = images [j + gap]; + images [j + gap] = swap; + ImageData swapData = datas [j]; + datas [j] = datas [j + gap]; + datas [j + gap] = swapData; + } + } + } + } +} + +boolean traverseDecorations (boolean next) { + Control [] children = parent._getChildren (); + int length = children.length; + int index = 0; + while (index < length) { + if (children [index] == this) break; + index++; + } + /* + * It is possible (but unlikely), that application + * code could have disposed the widget in focus in + * or out events. Ensure that a disposed widget is + * not accessed. + */ + int start = index, offset = (next) ? 1 : -1; + while ((index = (index + offset + length) % length) != start) { + Control child = children [index]; + if (!child.isDisposed () && child instanceof Decorations) { + if (child.setFocus ()) return true; + } + } + return false; +} + +boolean traverseItem (boolean next) { + return false; +} + +boolean traverseReturn () { + if (defaultButton == null || defaultButton.isDisposed ()) return false; + if (!defaultButton.isVisible () || !defaultButton.isEnabled ()) return false; +// defaultButton.click (); + return true; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/DirectoryDialog.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/DirectoryDialog.java new file mode 100644 index 0000000000..c80338b8d9 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/DirectoryDialog.java @@ -0,0 +1,277 @@ +/******************************************************************************* + * Copyright (c) 2000, 2005 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.*; + +/** + * Instances of this class allow the user to navigate + * the file system and select a directory. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ + +public class DirectoryDialog extends Dialog { + String message = "", filterPath = ""; //$NON-NLS-1$//$NON-NLS-2$ + String directoryPath; + +/** + * Constructs a new instance of this class given only its parent. + * + * @param parent a shell which will be the parent of the new instance + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +public DirectoryDialog (Shell parent) { + this (parent, SWT.PRIMARY_MODAL); +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a shell which will be the parent of the new instance + * @param style the style of dialog to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +public DirectoryDialog (Shell parent, int style) { + super (parent, style); + checkSubclass (); +} + +/** + * Returns the path which the dialog will use to filter + * the directories it shows. + * + * @return the filter path + * + * @see #setFilterPath + */ +public String getFilterPath () { + return filterPath; +} + +/** + * Returns the dialog's message, which is a description of + * the purpose for which it was opened. This message will be + * visible on the dialog while it is open. + * + * @return the message + */ +public String getMessage () { + return message; +} + +/** + * Makes the dialog visible and brings it to the front + * of the display. + * + * @return a string describing the absolute path of the selected directory, + * or null if the dialog was cancelled or an error occurred + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> + * </ul> + */ +public String open () { +// if (OS.IsWinCE) SWT.error (SWT.ERROR_NOT_IMPLEMENTED); +// +// int hHeap = OS.GetProcessHeap (); +// +// /* Get the owner HWND for the dialog */ +// int hwndOwner = 0; +// if (parent != null) hwndOwner = parent.handle; +// +// /* Copy the message to OS memory */ +// int lpszTitle = 0; +// if (message.length () != 0) { +// String string = message; +// if (string.indexOf ('&') != -1) { +// int length = string.length (); +// char [] buffer = new char [length * 2]; +// int index = 0; +// for (int i=0; i<length; i++) { +// char ch = string.charAt (i); +// if (ch == '&') buffer [index++] = '&'; +// buffer [index++] = ch; +// } +// string = new String (buffer, 0, index); +// } +// /* Use the character encoding for the default locale */ +// TCHAR buffer = new TCHAR (0, string, true); +// int byteCount = buffer.length () * TCHAR.sizeof; +// lpszTitle = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); +// OS.MoveMemory (lpszTitle, buffer, byteCount); +// } +// +// /* Create the BrowseCallbackProc */ +// Callback callback = new Callback (this, "BrowseCallbackProc", 4); //$NON-NLS-1$ +// int address = callback.getAddress (); +// if (address == 0) SWT.error (SWT.ERROR_NO_MORE_CALLBACKS); +// +// /* Make the parent shell be temporary modal */ +// Shell oldModal = null; +// Display display = parent.getDisplay (); +// if ((style & (SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL)) != 0) { +// oldModal = display.getModalDialogShell (); +// display.setModalDialogShell (parent); +// } +// +// directoryPath = null; +// BROWSEINFO lpbi = new BROWSEINFO (); +// lpbi.hwndOwner = hwndOwner; +// lpbi.lpszTitle = lpszTitle; +// lpbi.ulFlags = OS.BIF_NEWDIALOGSTYLE | OS.BIF_RETURNONLYFSDIRS | OS.BIF_EDITBOX | OS.BIF_VALIDATE; +// lpbi.lpfn = address; +// /* +// * Bug in Windows. On some hardware configurations, SHBrowseForFolder() +// * causes warning dialogs with the message "There is no disk in the drive +// * Please insert a disk into \Device\Harddisk0\DR0". This is possibly +// * caused by SHBrowseForFolder() calling internally GetVolumeInformation(). +// * MSDN for GetVolumeInformation() says: +// * +// * "If you are attempting to obtain information about a floppy drive +// * that does not have a floppy disk or a CD-ROM drive that does not +// * have a compact disc, the system displays a message box asking the +// * user to insert a floppy disk or a compact disc, respectively. +// * To prevent the system from displaying this message box, call the +// * SetErrorMode function with SEM_FAILCRITICALERRORS." +// * +// * The fix is to save and restore the error mode using SetErrorMode() +// * with the SEM_FAILCRITICALERRORS flag around SHBrowseForFolder(). +// */ +// int oldErrorMode = OS.SetErrorMode (OS.SEM_FAILCRITICALERRORS); +// +// /* +// * Bug in Windows. When a WH_MSGFILTER hook is used to run code +// * during the message loop for SHBrowseForFolder(), running code +// * in the hook can cause a GP. Specifically, SetWindowText() +// * for static controls seemed to make the problem happen. +// * The fix is to disable async messages while the directory +// * dialog is open. +// * +// * NOTE: This only happens in versions of the comctl32.dll +// * earlier than 6.0. +// */ +// boolean oldRunMessages = display.runMessages; +// if (OS.COMCTL32_MAJOR < 6) display.runMessages = false; +// int lpItemIdList = OS.SHBrowseForFolder (lpbi); +// if (OS.COMCTL32_MAJOR < 6) display.runMessages = oldRunMessages; +// OS.SetErrorMode (oldErrorMode); +// +// /* Clear the temporary dialog modal parent */ +// if ((style & (SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL)) != 0) { +// display.setModalDialogShell (oldModal); +// } +// +// boolean success = lpItemIdList != 0; +// if (success) { +// /* Use the character encoding for the default locale */ +// TCHAR buffer = new TCHAR (0, OS.MAX_PATH); +// if (OS.SHGetPathFromIDList (lpItemIdList, buffer)) { +// directoryPath = buffer.toString (0, buffer.strlen ()); +// filterPath = directoryPath; +// } +// } +// +// /* Free the BrowseCallbackProc */ +// callback.dispose (); +// +// /* Free the OS memory */ +// if (lpszTitle != 0) OS.HeapFree (hHeap, 0, lpszTitle); +// +// /* Free the pointer to the ITEMIDLIST */ +// int [] ppMalloc = new int [1]; +// if (OS.SHGetMalloc (ppMalloc) == OS.S_OK) { +// /* void Free (struct IMalloc *this, void *pv); */ +// OS.VtblCall (5, ppMalloc [0], lpItemIdList); +// } +// +// /* +// * This code is intentionally commented. On some +// * platforms, the owner window is repainted right +// * away when a dialog window exits. This behavior +// * is currently unspecified. +// */ +//// if (hwndOwner != 0) OS.UpdateWindow (hwndOwner); +// +// /* Return the directory path */ +// if (!success) return null; +// return directoryPath; + return null; +} + +/** + * Sets the path that the dialog will use to filter + * the directories it shows to the argument, which may + * be null. If the string is null, then the operating + * system's default filter path will be used. + * <p> + * Note that the path string is platform dependent. + * For convenience, either '/' or '\' can be used + * as a path separator. + * </p> + * + * @param string the filter path + */ +public void setFilterPath (String string) { + filterPath = string; +} + +/** + * Sets the dialog's message, which is a description of + * the purpose for which it was opened. This message will be + * visible on the dialog while it is open. + * + * @param string the message + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + */ +public void setMessage (String string) { + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + message = string; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Display.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Display.java new file mode 100644 index 0000000000..8eb93dd46f --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Display.java @@ -0,0 +1,2807 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class are responsible for managing the + * connection between SWT and the underlying operating + * system. Their most important function is to implement + * the SWT event loop in terms of the platform event model. + * They also provide various methods for accessing information + * about the operating system, and have overall control over + * the operating system resources which SWT allocates. + * <p> + * Applications which are built with SWT will <em>almost always</em> + * require only a single display. In particular, some platforms + * which SWT supports will not allow more than one <em>active</em> + * display. In other words, some platforms do not support + * creating a new display if one already exists that has not been + * sent the <code>dispose()</code> message. + * <p> + * In SWT, the thread which creates a <code>Display</code> + * instance is distinguished as the <em>user-interface thread</em> + * for that display. + * </p> + * The user-interface thread for a particular display has the + * following special attributes: + * <ul> + * <li> + * The event loop for that display must be run from the thread. + * </li> + * <li> + * Some SWT API methods (notably, most of the public methods in + * <code>Widget</code> and its subclasses), may only be called + * from the thread. (To support multi-threaded user-interface + * applications, class <code>Display</code> provides inter-thread + * communication methods which allow threads other than the + * user-interface thread to request that it perform operations + * on their behalf.) + * </li> + * <li> + * The thread is not allowed to construct other + * <code>Display</code>s until that display has been disposed. + * (Note that, this is in addition to the restriction mentioned + * above concerning platform support for multiple displays. Thus, + * the only way to have multiple simultaneously active displays, + * even on platforms which support it, is to have multiple threads.) + * </li> + * </ul> + * Enforcing these attributes allows SWT to be implemented directly + * on the underlying operating system's event model. This has + * numerous benefits including smaller footprint, better use of + * resources, safer memory management, clearer program logic, + * better performance, and fewer overall operating system threads + * required. The down side however, is that care must be taken + * (only) when constructing multi-threaded applications to use the + * inter-thread communication mechanisms which this class provides + * when required. + * </p><p> + * All SWT API methods which may only be called from the user-interface + * thread are distinguished in their documentation by indicating that + * they throw the "<code>ERROR_THREAD_INVALID_ACCESS</code>" + * SWT exception. + * </p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>Close, Dispose</dd> + * </dl> + * <p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + * @see #syncExec + * @see #asyncExec + * @see #wake + * @see #readAndDispatch + * @see #sleep + * @see Device#dispose + */ + +public class Display extends Device { + + + int application, dispatcher, frame, jniRef; + boolean idle; + int sleep; + int operationCount; + + /* Windows and Events */ + Event [] eventQueue; + EventTable eventTable, filterTable; + + int lastKey; + char lastChar; + boolean deadChar; + +// /* Focus */ +// int focusEvent; +// Control focusControl; +// + /* Menus */ + Menu [] popups; + + /* Sync/Async Widget Communication */ + Synchronizer synchronizer = new Synchronizer (this); + Thread thread; + + /* Display Shutdown */ + Runnable [] disposeList; + + /* System Tray */ + Tray tray; + + /* Timers */ + int timerHandler; + int [] timerHandles; + Runnable [] timerList; + +// /* System Resources */ + Font systemFont; + Image errorImage, infoImage, questionImage, warningIcon; + Cursor [] cursors = new Cursor [SWT.CURSOR_HAND + 1]; + Color [] colors; + + /* Sort Indicators */ +// Image upArrow, downArrow; + + /* Color dialog custom dialgos */ + int customColors; + + /* Display Data */ + Object data; + String [] keys; + Object [] values; + + /* Key Mappings */ + static final int [] [] KeyTable = { + + /* Keyboard and Mouse Masks */ + {OS.Key_LeftAlt, SWT.ALT}, + {OS.Key_RightAlt, SWT.ALT}, + {OS.Key_LeftShift, SWT.SHIFT}, + {OS.Key_RightShift, SWT.SHIFT}, + {OS.Key_LeftCtrl, SWT.CONTROL}, + {OS.Key_RightCtrl, SWT.CONTROL}, +// {OS.VK_????, SWT.COMMAND}, + + /* NOT CURRENTLY USED */ +// {OS.VK_LBUTTON, SWT.BUTTON1}, +// {OS.VK_MBUTTON, SWT.BUTTON3}, +// {OS.VK_RBUTTON, SWT.BUTTON2}, + + /* Non-Numeric Keypad Keys */ + {OS.Key_Up, SWT.ARROW_UP}, + {OS.Key_Down, SWT.ARROW_DOWN}, + {OS.Key_Left, SWT.ARROW_LEFT}, + {OS.Key_Right, SWT.ARROW_RIGHT}, + {OS.Key_PageUp, SWT.PAGE_UP}, + {OS.Key_PageDown, SWT.PAGE_DOWN}, + {OS.Key_Home, SWT.HOME}, + {OS.Key_End, SWT.END}, + {OS.Key_Insert, SWT.INSERT}, + + /* Virtual and Ascii Keys */ + {OS.Key_Back, SWT.BS}, + {OS.Key_Return, SWT.CR}, + {OS.Key_Delete, SWT.DEL}, + {OS.Key_Escape, SWT.ESC}, + {OS.Key_Return, SWT.LF}, + {OS.Key_Tab, SWT.TAB}, + + /* Functions Keys */ + {OS.Key_F1, SWT.F1}, + {OS.Key_F2, SWT.F2}, + {OS.Key_F3, SWT.F3}, + {OS.Key_F4, SWT.F4}, + {OS.Key_F5, SWT.F5}, + {OS.Key_F6, SWT.F6}, + {OS.Key_F7, SWT.F7}, + {OS.Key_F8, SWT.F8}, + {OS.Key_F9, SWT.F9}, + {OS.Key_F10, SWT.F10}, + {OS.Key_F11, SWT.F11}, + {OS.Key_F12, SWT.F12}, + {OS.Key_F13, SWT.F13}, + {OS.Key_F14, SWT.F14}, + {OS.Key_F15, SWT.F15}, + + /* Numeric Keypad Keys */ + {OS.Key_Multiply, SWT.KEYPAD_MULTIPLY}, + {OS.Key_Add, SWT.KEYPAD_ADD}, + {OS.Key_Return, SWT.KEYPAD_CR}, + {OS.Key_Subtract, SWT.KEYPAD_SUBTRACT}, + {OS.Key_Decimal, SWT.KEYPAD_DECIMAL}, + {OS.Key_Divide, SWT.KEYPAD_DIVIDE}, + {OS.Key_NumPad0, SWT.KEYPAD_0}, + {OS.Key_NumPad1, SWT.KEYPAD_1}, + {OS.Key_NumPad2, SWT.KEYPAD_2}, + {OS.Key_NumPad3, SWT.KEYPAD_3}, + {OS.Key_NumPad4, SWT.KEYPAD_4}, + {OS.Key_NumPad5, SWT.KEYPAD_5}, + {OS.Key_NumPad6, SWT.KEYPAD_6}, + {OS.Key_NumPad7, SWT.KEYPAD_7}, + {OS.Key_NumPad8, SWT.KEYPAD_8}, + {OS.Key_NumPad9, SWT.KEYPAD_9}, +// {OS.VK_????, SWT.KEYPAD_EQUAL}, + + /* Other keys */ + {OS.Key_CapsLock, SWT.CAPS_LOCK}, + {OS.Key_NumLock, SWT.NUM_LOCK}, + {OS.Key_Scroll, SWT.SCROLL_LOCK}, + {OS.Key_Pause, SWT.PAUSE}, + {OS.Key_Cancel, SWT.BREAK}, + {OS.Key_PrintScreen, SWT.PRINT_SCREEN}, +// {OS.VK_????, SWT.HELP}, + + + {OS.Key_D0, '0'}, + {OS.Key_D1, '1'}, + {OS.Key_D2, '2'}, + {OS.Key_D3, '3'}, + {OS.Key_D4, '4'}, + {OS.Key_D5, '5'}, + {OS.Key_D6, '6'}, + {OS.Key_D7, '7'}, + {OS.Key_D8, '8'}, + {OS.Key_D9, '9'}, + {OS.Key_A, 'a'}, + {OS.Key_B, 'b'}, + {OS.Key_C, 'c'}, + {OS.Key_D, 'd'}, + {OS.Key_E, 'e'}, + {OS.Key_F, 'f'}, + {OS.Key_G, 'g'}, + {OS.Key_H, 'h'}, + {OS.Key_I, 'i'}, + {OS.Key_J, 'j'}, + {OS.Key_K, 'k'}, + {OS.Key_L, 'l'}, + {OS.Key_M, 'm'}, + {OS.Key_N, 'n'}, + {OS.Key_O, 'o'}, + {OS.Key_P, 'p'}, + {OS.Key_Q, 'q'}, + {OS.Key_R, 'r'}, + {OS.Key_S, 's'}, + {OS.Key_T, 't'}, + {OS.Key_U, 'u'}, + {OS.Key_V, 'v'}, + {OS.Key_W, 'w'}, + {OS.Key_X, 'x'}, + {OS.Key_Y, 'y'}, + {OS.Key_Z, 'z'}, + + {OS.Key_OemTilde, '`'}, + {OS.Key_OemMinus, '-'}, + {OS.Key_OemPlus, '='}, + {OS.Key_Oem4, '['}, + {OS.Key_Oem6, ']'}, + {OS.Key_OemPipe, '\\'}, + {OS.Key_OemSemicolon, ';'}, + {OS.Key_Oem7, '\''}, + {OS.Key_OemComma, ','}, + {OS.Key_OemPeriod, '.'}, + {OS.Key_Oem2, '/'}, + + }; + + /* Multiple Displays */ + static Display Default; + static Display [] Displays = new Display [4]; + + /* Multiple Monitors */ + static Monitor[] monitors = null; + static int monitorCount = 0; + + /* Modality */ + Shell [] modalShells; + Shell modalDialogShell; + static boolean TrimEnabled = false; + + /* Private SWT Window Messages */ +// static final int SWT_GETACCELCOUNT = OS.WM_APP; +// static final int SWT_GETACCEL = OS.WM_APP + 1; +// static final int SWT_KEYMSG = OS.WM_APP + 2; +// static final int SWT_DESTROY = OS.WM_APP + 3; +// static final int SWT_TRAYICONMSG = OS.WM_APP + 4; +// static final int SWT_NULL = OS.WM_APP + 5; +// static int SWT_TASKBARCREATED; + + /* Workaround for Adobe Reader 7.0 */ + int hitCount; + + /* Package Name */ + static final String PACKAGE_PREFIX = "org.eclipse.swt.widgets."; //$NON-NLS-1$ + /* + * This code is intentionally commented. In order + * to support CLDC, .class cannot be used because + * it does not compile on some Java compilers when + * they are targeted for CLDC. + */ +// static { +// String name = Display.class.getName (); +// int index = name.lastIndexOf ('.'); +// PACKAGE_PREFIX = name.substring (0, index + 1); +// } + + /* + * TEMPORARY CODE. Install the runnable that + * gets the current display. This code will + * be removed in the future. + */ + static { + DeviceFinder = new Runnable () { + public void run () { + Device device = getCurrent (); + if (device == null) { + device = getDefault (); + } + setDevice (device); + } + }; + } + +/* +* TEMPORARY CODE. +*/ +static void setDevice (Device device) { + CurrentDevice = device; +} + +/** + * Constructs a new instance of this class. + * <p> + * Note: The resulting display is marked as the <em>current</em> + * display. If this is the first display which has been + * constructed since the application started, it is also + * marked as the <em>default</em> display. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if called from a thread that already created an existing display</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see #getCurrent + * @see #getDefault + * @see Widget#checkSubclass + * @see Shell + */ +public Display () { + this (null); +} + +/** + * Constructs a new instance of this class using the parameter. + * + * @param data the device data + */ +public Display (DeviceData data) { + super (data); +} + +Control _getFocusControl () { + int focusedElement = OS.Keyboard_FocusedElement (); + Control control = null; + if (focusedElement != 0) { + Widget widget = getWidget (focusedElement); + if (widget != null) control = widget.getWidgetControl (); + OS.GCHandle_Free (focusedElement); + } + return control; +} + +void addWidget (int handle, Widget widget) { + if (handle == 0) return; + int tag = OS.gcnew_IntPtr (widget.jniRef); + OS.FrameworkElement_Tag (handle, tag); + OS.GCHandle_Free (tag); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when an event of the given type occurs anywhere + * in a widget. The event type is one of the event constants + * defined in class <code>SWT</code>. When the event does occur, + * the listener is notified by sending it the <code>handleEvent()</code> + * message. + * <p> + * Setting the type of an event to <code>SWT.None</code> from + * within the <code>handleEvent()</code> method can be used to + * change the event type and stop subsequent Java listeners + * from running. Because event filters run before other listeners, + * event filters can both block other listeners and set arbitrary + * fields within an event. For this reason, event filters are both + * powerful and dangerous. They should generally be avoided for + * performance, debugging and code maintenance reasons. + * </p> + * + * @param eventType the type of event to listen for + * @param listener the listener which should be notified when the event occurs + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see Listener + * @see SWT + * @see #removeFilter + * @see #removeListener + * + * @since 3.0 + */ +public void addFilter (int eventType, Listener listener) { + checkDevice (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (filterTable == null) filterTable = new EventTable (); + filterTable.hook (eventType, listener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when an event of the given type occurs. The event + * type is one of the event constants defined in class <code>SWT</code>. + * When the event does occur in the display, the listener is notified by + * sending it the <code>handleEvent()</code> message. + * + * @param eventType the type of event to listen for + * @param listener the listener which should be notified when the event occurs + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see Listener + * @see SWT + * @see #removeListener + * + * @since 2.0 + */ +public void addListener (int eventType, Listener listener) { + checkDevice (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) eventTable = new EventTable (); + eventTable.hook (eventType, listener); +} + +void addPopup (Menu menu) { + if (popups == null) popups = new Menu [4]; + int length = popups.length; + for (int i=0; i<length; i++) { + if (popups [i] == menu) return; + } + int index = 0; + while (index < length) { + if (popups [index] == null) break; + index++; + } + if (index == length) { + Menu [] newPopups = new Menu [length + 4]; + System.arraycopy (popups, 0, newPopups, 0, length); + popups = newPopups; + } + popups [index] = menu; +} + +/** + * Causes the <code>run()</code> method of the runnable to + * be invoked by the user-interface thread at the next + * reasonable opportunity. The caller of this method continues + * to run in parallel, and is not notified when the + * runnable has completed. Specifying <code>null</code> as the + * runnable simply wakes the user-interface thread when run. + * <p> + * Note that at the time the runnable is invoked, widgets + * that have the receiver as their display may have been + * disposed. Therefore, it is necessary to check for this + * case inside the runnable before accessing the widget. + * </p> + * + * @param runnable code to run on the user-interface thread or <code>null</code> + * + * @exception SWTException <ul> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see #syncExec + */ +public void asyncExec (Runnable runnable) { + if (isDisposed ()) error (SWT.ERROR_DEVICE_DISPOSED); + synchronizer.asyncExec (runnable); +} + +/** + * Causes the system hardware to emit a short sound + * (if it supports this capability). + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public void beep () { + checkDevice (); + OS.Console_Beep (); +} + +/** + * Checks that this class can be subclassed. + * <p> + * IMPORTANT: See the comment in <code>Widget.checkSubclass()</code>. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see Widget#checkSubclass + */ +protected void checkSubclass () { + if (!isValidClass (getClass ())) error (SWT.ERROR_INVALID_SUBCLASS); +} + +protected void checkDevice () { + if (thread == null) error (SWT.ERROR_WIDGET_DISPOSED); + if (thread != Thread.currentThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); + if (isDisposed ()) error (SWT.ERROR_DEVICE_DISPOSED); +} + +static synchronized void checkDisplay (Thread thread, boolean multiple) { + for (int i=0; i<Displays.length; i++) { + if (Displays [i] != null) { + if (!multiple) SWT.error (SWT.ERROR_NOT_IMPLEMENTED, null, " [multiple displays]"); + if (Displays [i].thread == thread) SWT.error (SWT.ERROR_THREAD_INVALID_ACCESS); + } + } +} + +void checkExitFrame (int e) { + int operation = OS.DispatcherHookEventArgs_Operation (e); + int priority = OS.DispatcherOperation_Priority (operation); + OS.GCHandle_Free (operation); + if (priority != OS.DispatcherPriority_Send) { + OS.DispatcherFrame_Continue (frame, false); + } +} + +void clearModal (Shell shell) { +// if (modalShells == null) return; +// int index = 0, length = modalShells.length; +// while (index < length) { +// if (modalShells [index] == shell) break; +// if (modalShells [index] == null) return; +// index++; +// } +// if (index == length) return; +// System.arraycopy (modalShells, index + 1, modalShells, index, --length - index); +// modalShells [length] = null; +// if (index == 0 && modalShells [0] == null) modalShells = null; +// Shell [] shells = getShells (); +// for (int i=0; i<shells.length; i++) shells [i].updateModal (); +} + +/** + * Requests that the connection between SWT and the underlying + * operating system be closed. + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see Device#dispose + * + * @since 2.0 + */ +public void close () { + checkDevice (); + Event event = new Event (); + sendEvent (SWT.Close, event); + if (event.doit) dispose (); +} + +/** + * Creates the device in the operating system. If the device + * does not have a handle, this method may do nothing depending + * on the device. + * <p> + * This method is called before <code>init</code>. + * </p> + * + * @param data the DeviceData which describes the receiver + * + * @see #init + */ +protected void create (DeviceData data) { + checkSubclass (); + checkDisplay (thread = Thread.currentThread (), true); + createDisplay (data); + register (this); + if (Default == null) Default = this; +} + +void createDisplay (DeviceData data) { + COM.OleInitialize (0); + application = OS.gcnew_Application(); + if (application == 0) SWT.error(SWT.ERROR_NO_HANDLES); + OS.Application_ShutdownMode (application, OS.ShutdownMode_OnExplicitShutdown); +} + +static synchronized void deregister (Display display) { + for (int i=0; i<Displays.length; i++) { + if (display == Displays [i]) Displays [i] = null; + } +} + +/** + * Destroys the device in the operating system and releases + * the device's handle. If the device does not have a handle, + * this method may do nothing depending on the device. + * <p> + * This method is called after <code>release</code>. + * </p> + * @see Device#dispose + * @see #release + */ +protected void destroy () { + if (this == Default) Default = null; + deregister (this); + destroyDisplay (); +} + +void destroyDisplay () { +} + +/** + * Causes the <code>run()</code> method of the runnable to + * be invoked by the user-interface thread just before the + * receiver is disposed. Specifying a <code>null</code> runnable + * is ignored. + * + * @param runnable code to run at dispose time. + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public void disposeExec (Runnable runnable) { + checkDevice (); + if (disposeList == null) disposeList = new Runnable [4]; + for (int i=0; i<disposeList.length; i++) { + if (disposeList [i] == null) { + disposeList [i] = runnable; + return; + } + } + Runnable [] newDisposeList = new Runnable [disposeList.length + 4]; + System.arraycopy (disposeList, 0, newDisposeList, 0, disposeList.length); + newDisposeList [disposeList.length] = runnable; + disposeList = newDisposeList; +} + +/** + * Does whatever display specific cleanup is required, and then + * uses the code in <code>SWTError.error</code> to handle the error. + * + * @param code the descriptive error code + * + * @see SWT#error(int) + */ +void error (int code) { + SWT.error (code); +} + +boolean filterEvent (Event event) { + if (filterTable != null) filterTable.sendEvent (event); + return false; +} + +boolean filters (int eventType) { + if (filterTable == null) return false; + return filterTable.hooks (eventType); +} + +/** + * Given the operating system handle for a widget, returns + * the instance of the <code>Widget</code> subclass which + * represents it in the currently running application, if + * such exists, or null if no matching widget can be found. + * <p> + * <b>IMPORTANT:</b> This method should not be called from + * application code. The arguments are platform-specific. + * </p> + * + * @param handle the handle for the widget + * @return the SWT widget that the handle represents + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public Widget findWidget (int handle) { + checkDevice (); + return getWidget (handle); +} + +/** + * Given the operating system handle for a widget, + * and widget-specific id, returns the instance of + * the <code>Widget</code> subclass which represents + * the handle/id pair in the currently running application, + * if such exists, or null if no matching widget can be found. + * <p> + * <b>IMPORTANT:</b> This method should not be called from + * application code. The arguments are platform-specific. + * </p> + * + * @param handle the handle for the widget + * @param id the id for the subwidget (usually an item) + * @return the SWT widget that the handle/id pair represents + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 3.1 + */ +public Widget findWidget (int handle, int id) { + checkDevice (); + return null; +} + +/** + * Given a widget and a widget-specific id, returns the + * instance of the <code>Widget</code> subclass which represents + * the widget/id pair in the currently running application, + * if such exists, or null if no matching widget can be found. + * + * @param widget the widget + * @param id the id for the subwidget (usually an item) + * @return the SWT subwidget (usually an item) that the widget/id pair represents + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 3.3 + */ +public Widget findWidget (Widget widget, int id) { + checkDevice (); + return null; +} + +/** + * Returns the display which the given thread is the + * user-interface thread for, or null if the given thread + * is not a user-interface thread for any display. Specifying + * <code>null</code> as the thread will return <code>null</code> + * for the display. + * + * @param thread the user-interface thread + * @return the display for the given thread + */ +public static synchronized Display findDisplay (Thread thread) { + for (int i=0; i<Displays.length; i++) { + Display display = Displays [i]; + if (display != null && display.thread == thread) { + return display; + } + } + return null; +} + +/** + * Returns the currently active <code>Shell</code>, or null + * if no shell belonging to the currently running application + * is active. + * + * @return the active shell or null + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public Shell getActiveShell () { + checkDevice (); + int windows = OS.Application_Windows (application); + int count = OS.WindowCollection_Count (windows); + int activeWindow = 0; + if (count != 0) { + int enumerator = OS.WindowCollection_GetEnumerator (windows); + while (OS.IEnumerator_MoveNext (enumerator)) { + int window = OS.WindowCollection_Current (enumerator); + if (OS.Window_IsActive (window)) { + activeWindow = window; + break; + } + OS.GCHandle_Free (window); + } + OS.GCHandle_Free (enumerator); + } + OS.GCHandle_Free (windows); + Shell shell = (Shell)getWidget (activeWindow); + if (activeWindow != 0) OS.GCHandle_Free (activeWindow); + return shell; +} + +/** + * Returns a rectangle describing the receiver's size and location. + * + * @return the bounding rectangle + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public Rectangle getBounds () { + checkDevice (); + if (true/*OS.GetSystemMetrics (OS.SM_CMONITORS) < 2*/) { + int width = (int) OS.SystemParameters_PrimaryScreenWidth (); + int height = (int) OS.SystemParameters_PrimaryScreenHeight (); + return new Rectangle (0, 0, width, height); + } + int x = (int) OS.SystemParameters_VirtualScreenLeft (); + int y = (int) OS.SystemParameters_VirtualScreenTop (); + int width = (int) OS.SystemParameters_VirtualScreenWidth (); + int height = (int) OS.SystemParameters_VirtualScreenHeight (); + return new Rectangle (x, y, width, height); +} + +/** + * Returns the display which the currently running thread is + * the user-interface thread for, or null if the currently + * running thread is not a user-interface thread for any display. + * + * @return the current display + */ +public static synchronized Display getCurrent () { + return findDisplay (Thread.currentThread ()); +} + +/** + * Returns a rectangle which describes the area of the + * receiver which is capable of displaying data. + * + * @return the client area + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see #getBounds + */ +public Rectangle getClientArea () { + checkDevice (); + if (true/*OS.GetSystemMetrics (OS.SM_CMONITORS) < 2*/) { + int rect = OS.SystemParameters_WorkArea (); + int x = (int) OS.Rect_X (rect); + int y = (int) OS.Rect_Y (rect); + int width = (int) OS.Rect_Width (rect); + int height = (int) OS.Rect_Height (rect); + OS.GCHandle_Free (rect); + return new Rectangle (x, y, width, height); + } + int x = (int) OS.SystemParameters_VirtualScreenLeft (); + int y = (int) OS.SystemParameters_VirtualScreenTop (); + int width = (int) OS.SystemParameters_VirtualScreenWidth (); + int height = (int) OS.SystemParameters_VirtualScreenHeight (); + return new Rectangle (x, y, width, height); +} + +Widget getWidget (int handle) { + if (handle == 0) return null; + int frameworkElementType = OS.FrameworkElement_typeid (); + int frameworkContentElementType = OS.FrameworkContentElement_typeid (); + int widget = handle; + int jniRef = 0; + do { + int parent = 0; + if (OS.Type_IsInstanceOfType (frameworkElementType, widget)) { + int tag = OS.FrameworkElement_Tag (widget); + if (tag != 0) { + jniRef = OS.IntPtr_ToInt32 (tag); + OS.GCHandle_Free (tag); + break; + } + parent = OS.FrameworkElement_Parent (widget); + if (parent == 0) { + parent = OS.VisualTreeHelper_GetParent (widget); + } + } else { + if (OS.Type_IsInstanceOfType (frameworkContentElementType, widget)) { + parent = OS.FrameworkContentElement_Parent (widget); + } + } + if (widget != handle) OS.GCHandle_Free (widget); + widget = parent; + } while (widget != 0); + if (widget != handle && widget != 0) OS.GCHandle_Free (widget); + OS.GCHandle_Free (frameworkElementType); + OS.GCHandle_Free (frameworkContentElementType); + return jniRef != 0 ? (Widget) OS.JNIGetObject (jniRef) : null; +} + +/** + * Returns the control which the on-screen pointer is currently + * over top of, or null if it is not currently over one of the + * controls built by the currently running application. + * + * @return the control under the cursor + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public Control getCursorControl () { + checkDevice (); + int inputElement = OS.Mouse_DirectlyOver (); + if (inputElement != 0) { + Widget widget = getWidget (inputElement); + OS.GCHandle_Free (inputElement); + if (widget != null) return widget.getWidgetControl (); + } + return null; +} + +/** + * Returns the location of the on-screen pointer relative + * to the top left corner of the screen. + * + * @return the cursor location + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public Point getCursorLocation () { + checkDevice (); + POINT pt = new POINT (); + OS.GetCursorPos (pt); + return new Point (pt.x, pt.y); +} + +/** + * Returns an array containing the recommended cursor sizes. + * + * @return the array of cursor sizes + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 3.0 + */ +public Point [] getCursorSizes () { + checkDevice (); +// return new Point [] { +// new Point (OS.GetSystemMetrics (OS.SM_CXCURSOR), OS.GetSystemMetrics (OS.SM_CYCURSOR))}; + return null; +} + +/** + * Returns the default display. One is created (making the + * thread that invokes this method its user-interface thread) + * if it did not already exist. + * + * @return the default display + */ +public static synchronized Display getDefault () { + if (Default == null) Default = new Display (); + return Default; +} + +static boolean isValidClass (Class clazz) { + String name = clazz.getName (); + int index = name.lastIndexOf ('.'); + return name.substring (0, index + 1).equals (PACKAGE_PREFIX); +} + +/** + * Returns the application defined property of the receiver + * with the specified name, or null if it has not been set. + * <p> + * Applications may have associated arbitrary objects with the + * receiver in this fashion. If the objects stored in the + * properties need to be notified when the display is disposed + * of, it is the application's responsibility to provide a + * <code>disposeExec()</code> handler which does so. + * </p> + * + * @param key the name of the property + * @return the value of the property or null if it has not been set + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the key is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see #setData(String, Object) + * @see #disposeExec(Runnable) + */ +public Object getData (String key) { + checkDevice (); + if (key == null) error (SWT.ERROR_NULL_ARGUMENT); +// if (key.equals (RUN_MESSAGES_IN_IDLE_KEY)) { +// return new Boolean (runMessagesInIdle); +// } + if (keys == null) return null; + for (int i=0; i<keys.length; i++) { + if (keys [i].equals (key)) return values [i]; + } + return null; +} + +/** + * Returns the application defined, display specific data + * associated with the receiver, or null if it has not been + * set. The <em>display specific data</em> is a single, + * unnamed field that is stored with every display. + * <p> + * Applications may put arbitrary objects in this field. If + * the object stored in the display specific data needs to + * be notified when the display is disposed of, it is the + * application's responsibility to provide a + * <code>disposeExec()</code> handler which does so. + * </p> + * + * @return the display specific data + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see #setData(Object) + * @see #disposeExec(Runnable) + */ +public Object getData () { + checkDevice (); + return data; +} + +/** + * Returns the button dismissal alignment, one of <code>LEFT</code> or <code>RIGHT</code>. + * The button dismissal alignment is the ordering that should be used when positioning the + * default dismissal button for a dialog. For example, in a dialog that contains an OK and + * CANCEL button, on platforms where the button dismissal alignment is <code>LEFT</code>, the + * button ordering should be OK/CANCEL. When button dismissal alignment is <code>RIGHT</code>, + * the button ordering should be CANCEL/OK. + * + * @return the button dismissal order + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 2.1 + */ +public int getDismissalAlignment () { + checkDevice (); + return SWT.LEFT; +} + + +/** + * Returns the longest duration, in milliseconds, between + * two mouse button clicks that will be considered a + * <em>double click</em> by the underlying operating system. + * + * @return the double click time + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public int getDoubleClickTime () { + checkDevice (); + //TODO + return 500; +} + +/** + * Returns the control which currently has keyboard focus, + * or null if keyboard events are not currently going to + * any of the controls built by the currently running + * application. + * + * @return the control under the cursor + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public Control getFocusControl () { + checkDevice (); + return _getFocusControl (); +} + +/** + * Returns true when the high contrast mode is enabled. + * Otherwise, false is returned. + * <p> + * Note: This operation is a hint and is not supported on + * platforms that do not have this concept. + * </p> + * + * @return the high contrast mode + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 3.0 + */ +public boolean getHighContrast () { + checkDevice (); + return OS.SystemParameters_HighContrast (); +} + +/** + * Returns the maximum allowed depth of icons on this display, in bits per pixel. + * On some platforms, this may be different than the actual depth of the display. + * + * @return the maximum icon depth + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see Device#getDepth + */ +public int getIconDepth () { + checkDevice (); +// if (!OS.IsWinCE && OS.WIN32_VERSION >= OS.VERSION (5, 1)) { +// if (getDepth () >= 24) return 32; +// } +// +// /* Use the character encoding for the default locale */ +// TCHAR buffer1 = new TCHAR (0, "Control Panel\\Desktop\\WindowMetrics", true); //$NON-NLS-1$ +// +// int [] phkResult = new int [1]; +// int result = OS.RegOpenKeyEx (OS.HKEY_CURRENT_USER, buffer1, 0, OS.KEY_READ, phkResult); +// if (result != 0) return 4; + int depth = 4; +// int [] lpcbData = new int [1]; +// +// /* Use the character encoding for the default locale */ +// TCHAR buffer2 = new TCHAR (0, "Shell Icon BPP", true); //$NON-NLS-1$ +// result = OS.RegQueryValueEx (phkResult [0], buffer2, 0, null, (TCHAR) null, lpcbData); +// if (result == 0) { +// TCHAR lpData = new TCHAR (0, lpcbData [0] / TCHAR.sizeof); +// result = OS.RegQueryValueEx (phkResult [0], buffer2, 0, null, lpData, lpcbData); +// if (result == 0) { +// try { +// depth = Integer.parseInt (lpData.toString (0, lpData.strlen ())); +// } catch (NumberFormatException e) {} +// } +// } +// OS.RegCloseKey (phkResult [0]); + return depth; +} + +/** + * Returns an array containing the recommended icon sizes. + * + * @return the array of icon sizes + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see Decorations#setImages(Image[]) + * + * @since 3.0 + */ +public Point [] getIconSizes () { + checkDevice (); + //TODO +// return new Point [] { +// new Point (OS.GetSystemMetrics (OS.SM_CXSMICON), OS.GetSystemMetrics (OS.SM_CYSMICON)), +// new Point (OS.GetSystemMetrics (OS.SM_CXICON), OS.GetSystemMetrics (OS.SM_CYICON)), +// }; + return null; +} + +int getLastEventTime () { + //TODO - use OS + return (int)System.currentTimeMillis(); +} + +int getMessageCount () { + return synchronizer.getMessageCount (); +} + + +Shell getModalShell () { + if (modalShells == null) return null; + int index = modalShells.length; + while (--index >= 0) { + Shell shell = modalShells [index]; + if (shell != null) return shell; + } + return null; +} + +Shell getModalDialogShell () { + if (modalDialogShell != null && modalDialogShell.isDisposed ()) modalDialogShell = null; + return modalDialogShell; +} + +/** + * Returns an array of monitors attached to the device. + * + * @return the array of monitors + * + * @since 3.0 + */ +public Monitor [] getMonitors () { + checkDevice (); + //TODO + return new Monitor [] { getPrimaryMonitor() }; +} + +/** + * Returns the primary monitor for that device. + * + * @return the primary monitor + * + * @since 3.0 + */ +public Monitor getPrimaryMonitor () { + checkDevice (); + Monitor monitor = new Monitor (); + monitor.x = 0; + monitor.y = 0; + monitor.width = (int) OS.SystemParameters_PrimaryScreenWidth (); + monitor.height = (int) OS.SystemParameters_PrimaryScreenHeight (); + monitor.clientX = (int) OS.SystemParameters_VirtualScreenLeft (); + monitor.clientY = (int) OS.SystemParameters_VirtualScreenTop (); + monitor.clientWidth = (int) OS.SystemParameters_VirtualScreenWidth (); + monitor.clientHeight = (int) OS.SystemParameters_VirtualScreenHeight (); + return monitor; +} + +/** + * Returns a (possibly empty) array containing all shells which have + * not been disposed and have the receiver as their display. + * + * @return the receiver's shells + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public Shell [] getShells () { + checkDevice (); + int index = 0; + int windows = OS.Application_Windows (application); + int count = OS.WindowCollection_Count (windows); + Shell [] result = new Shell [count]; + if (count != 0) { + int enumerator = OS.WindowCollection_GetEnumerator (windows); + while (OS.IEnumerator_MoveNext (enumerator)) { + int window = OS.WindowCollection_Current (enumerator); + Widget widget = getWidget (window); + if (widget != null && widget instanceof Shell) { + result [index++] = (Shell) widget; + } + OS.GCHandle_Free (window); + } + OS.GCHandle_Free (enumerator); + } + OS.GCHandle_Free (windows); + if (index == result.length) return result; + Shell [] newResult = new Shell [index]; + System.arraycopy (result, 0, newResult, 0, index); + return newResult; +} + +/** + * Returns the thread that has invoked <code>syncExec</code> + * or null if no such runnable is currently being invoked by + * the user-interface thread. + * <p> + * Note: If a runnable invoked by asyncExec is currently + * running, this method will return null. + * </p> + * + * @return the receiver's sync-interface thread + * + * @exception SWTException <ul> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public Thread getSyncThread () { + if (isDisposed ()) error (SWT.ERROR_DEVICE_DISPOSED); + return synchronizer.syncThread; +} + +/** + * Returns the matching standard color for the given + * constant, which should be one of the color constants + * specified in class <code>SWT</code>. Any value other + * than one of the SWT color constants which is passed + * in will result in the color black. This color should + * not be free'd because it was allocated by the system, + * not the application. + * + * @param id the color constant + * @return the matching color + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see SWT + */ +public Color getSystemColor (int id) { + checkDevice (); + Color color = null; + if (0 <= id && id < colors.length) { + color = colors [id]; + } + return color != null ? color : super.getSystemColor (id); +} + +/** + * Returns the matching standard platform cursor for the given + * constant, which should be one of the cursor constants + * specified in class <code>SWT</code>. This cursor should + * not be free'd because it was allocated by the system, + * not the application. A value of <code>null</code> will + * be returned if the supplied constant is not an SWT cursor + * constant. + * + * @param id the SWT cursor constant + * @return the corresponding cursor or <code>null</code> + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see SWT#CURSOR_ARROW + * @see SWT#CURSOR_WAIT + * @see SWT#CURSOR_CROSS + * @see SWT#CURSOR_APPSTARTING + * @see SWT#CURSOR_HELP + * @see SWT#CURSOR_SIZEALL + * @see SWT#CURSOR_SIZENESW + * @see SWT#CURSOR_SIZENS + * @see SWT#CURSOR_SIZENWSE + * @see SWT#CURSOR_SIZEWE + * @see SWT#CURSOR_SIZEN + * @see SWT#CURSOR_SIZES + * @see SWT#CURSOR_SIZEE + * @see SWT#CURSOR_SIZEW + * @see SWT#CURSOR_SIZENE + * @see SWT#CURSOR_SIZESE + * @see SWT#CURSOR_SIZESW + * @see SWT#CURSOR_SIZENW + * @see SWT#CURSOR_UPARROW + * @see SWT#CURSOR_IBEAM + * @see SWT#CURSOR_NO + * @see SWT#CURSOR_HAND + * + * @since 3.0 + */ +public Cursor getSystemCursor (int id) { + checkDevice (); + if (!(0 <= id && id < cursors.length)) return null; + if (cursors [id] == null) { + cursors [id] = new Cursor (this, id); + } + return cursors [id]; +} + +/** + * Returns the matching standard platform image for the given + * constant, which should be one of the icon constants + * specified in class <code>SWT</code>. This image should + * not be free'd because it was allocated by the system, + * not the application. A value of <code>null</code> will + * be returned either if the supplied constant is not an + * SWT icon constant or if the platform does not define an + * image that corresponds to the constant. + * + * @param id the SWT icon constant + * @return the corresponding image or <code>null</code> + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see SWT#ICON_ERROR + * @see SWT#ICON_INFORMATION + * @see SWT#ICON_QUESTION + * @see SWT#ICON_WARNING + * @see SWT#ICON_WORKING + * + * @since 3.0 + */ +public Image getSystemImage (int id) { + checkDevice (); + switch (id) { + case SWT.ICON_ERROR: { + if (errorImage != null) return errorImage; + int hIcon = OS.LoadImage (0, OS.OIC_HAND, OS.IMAGE_ICON, 0, 0, OS.LR_SHARED); + int empty = OS.Int32Rect_Empty (); + int source = OS.Imaging_CreateBitmapSourceFromHIcon (hIcon, empty, 0); + errorImage = Image.wpf_new (this, SWT.BITMAP, source); + OS.GCHandle_Free (empty); + OS.DestroyIcon (hIcon); + return errorImage; + } + case SWT.ICON_WORKING: + case SWT.ICON_INFORMATION: { + if (infoImage != null) return infoImage; + int hIcon = OS.LoadImage (0, OS.OIC_INFORMATION, OS.IMAGE_ICON, 0, 0, OS.LR_SHARED); + int empty = OS.Int32Rect_Empty (); + int source = OS.Imaging_CreateBitmapSourceFromHIcon (hIcon, empty, 0); + infoImage = Image.wpf_new (this, SWT.BITMAP, source); + OS.GCHandle_Free (empty); + OS.DestroyIcon (hIcon); + return infoImage; + } + case SWT.ICON_QUESTION: { + if (questionImage != null) return questionImage; + int hIcon = OS.LoadImage (0, OS.OIC_QUES, OS.IMAGE_ICON, 0, 0, OS.LR_SHARED); + int empty = OS.Int32Rect_Empty (); + int source = OS.Imaging_CreateBitmapSourceFromHIcon (hIcon, empty, 0); + questionImage = Image.wpf_new (this, SWT.BITMAP, source); + OS.GCHandle_Free (empty); + OS.DestroyIcon (hIcon); + return questionImage; + } + case SWT.ICON_WARNING: { + if (warningIcon != null) return warningIcon; + int hIcon = OS.LoadImage (0, OS.OIC_BANG, OS.IMAGE_ICON, 0, 0, OS.LR_SHARED); + int empty = OS.Int32Rect_Empty (); + int source = OS.Imaging_CreateBitmapSourceFromHIcon (hIcon, empty, 0); + warningIcon = Image.wpf_new (this, SWT.BITMAP, source); + OS.GCHandle_Free (empty); + OS.DestroyIcon (hIcon); + return warningIcon; + } + } + return null; +} + +/** + * Returns the single instance of the system tray or null + * when there is no system tray available for the platform. + * + * @return the system tray or <code>null</code> + * + * @exception SWTException <ul> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 3.0 + */ +public Tray getSystemTray () { + checkDevice (); + if (tray != null) return tray; + tray = new Tray (this, SWT.NONE); + return tray; +} + +/** + * Returns the user-interface thread for the receiver. + * + * @return the receiver's user-interface thread + * + * @exception SWTException <ul> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public Thread getThread () { + if (isDisposed ()) error (SWT.ERROR_DEVICE_DISPOSED); + return thread; +} + +/** + * Invokes platform specific functionality to allocate a new GC handle. + * <p> + * <b>IMPORTANT:</b> This method is <em>not</em> part of the public + * API for <code>Display</code>. It is marked public only so that it + * can be shared within the packages provided by SWT. It is not + * available on all platforms, and should never be called from + * application code. + * </p> + * + * @param data the platform specific GC data + * @return the platform specific GC handle + * + * @exception SWTException <ul> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * @exception SWTError <ul> + * <li>ERROR_NO_HANDLES if a handle could not be obtained for gc creation</li> + * </ul> + */ +public int internal_new_GC (GCData data) { + if (isDisposed()) SWT.error(SWT.ERROR_DEVICE_DISPOSED); + //TODO + return 0; +} + +/** + * Initializes any internal resources needed by the + * device. + * <p> + * This method is called after <code>create</code>. + * </p> + * + * @see #create + */ +protected void init () { + super.init (); + + dispatcher = OS.Application_Dispatcher (application); + if (dispatcher == 0) SWT.error (SWT.ERROR_NO_HANDLES); + frame = OS.gcnew_DispatcherFrame (); + if (frame == 0) SWT.error (SWT.ERROR_NO_HANDLES); + jniRef = OS.NewGlobalRef (this); + if (jniRef == 0) SWT.error (SWT.ERROR_NO_HANDLES); + int hooks = OS.Dispatcher_Hooks (dispatcher); + int handler = OS.gcnew_EventHandler (jniRef, "HandleDispatcherInactive"); + OS.DispatcherHooks_DispatcherInactive (hooks, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_DispatcherHookEventHandler (jniRef, "HandleOperationCompleted"); + OS.DispatcherHooks_OperationCompleted (hooks, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_DispatcherHookEventHandler (jniRef, "HandleOperationPosted"); + OS.DispatcherHooks_OperationPosted (hooks, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_DispatcherHookEventHandler (jniRef, "HandleOperationAborted"); + OS.DispatcherHooks_OperationAborted (hooks, handler); + OS.GCHandle_Free (handler); + OS.GCHandle_Free (hooks); + timerHandler = OS.gcnew_TimerHandler(jniRef, "timerProc"); + + + /* Create the standard colors */ + colors = new Color [SWT.COLOR_TITLE_INACTIVE_BACKGROUND_GRADIENT + 1]; + colors [SWT.COLOR_WIDGET_DARK_SHADOW] = Color.wpf_new( this, OS.SystemColors_ControlDarkDarkColor ()); + colors [SWT.COLOR_WIDGET_NORMAL_SHADOW] = Color.wpf_new (this, OS.SystemColors_ControlDarkColor ()); + colors [SWT.COLOR_WIDGET_LIGHT_SHADOW] = Color.wpf_new (this, OS.SystemColors_ControlLightColor ()); + colors [SWT.COLOR_WIDGET_HIGHLIGHT_SHADOW] = Color.wpf_new (this, OS.SystemColors_ControlDarkDarkColor ()); + colors [SWT.COLOR_WIDGET_FOREGROUND] = Color.wpf_new (this, OS.SystemColors_ControlTextColor ()); + colors [SWT.COLOR_WIDGET_BACKGROUND] = Color.wpf_new (this, OS.SystemColors_ControlColor ()); + colors [SWT.COLOR_WIDGET_BORDER] = Color.wpf_new (this, OS.SystemColors_ActiveBorderColor ()); + colors [SWT.COLOR_LIST_FOREGROUND] = Color.wpf_new (this, OS.SystemColors_WindowTextColor ()); + colors [SWT.COLOR_LIST_BACKGROUND] = Color.wpf_new (this, OS.SystemColors_WindowColor ()); +// colors [SWT.COLOR_LIST_SELECTION] = Color.wpf_new (this, OS.SystemColors_HighlightColor ()); + colors [SWT.COLOR_LIST_SELECTION] = Color.wpf_new (this, OS.Colors_LightSkyBlue ()); + colors [SWT.COLOR_LIST_SELECTION_TEXT] = Color.wpf_new (this, OS.SystemColors_HighlightTextColor ()); + colors [SWT.COLOR_INFO_FOREGROUND] = Color.wpf_new (this, OS.SystemColors_InfoTextColor ()); + colors [SWT.COLOR_INFO_BACKGROUND] = Color.wpf_new (this, OS.SystemColors_InfoColor ()); + colors [SWT.COLOR_TITLE_FOREGROUND] = Color.wpf_new (this, OS.SystemColors_ActiveCaptionTextColor ()); + colors [SWT.COLOR_TITLE_BACKGROUND] = Color.wpf_new (this, OS.SystemColors_ActiveCaptionColor ()); + colors [SWT.COLOR_TITLE_BACKGROUND_GRADIENT] = Color.wpf_new (this, OS.SystemColors_GradientActiveCaptionColor ()); + colors [SWT.COLOR_TITLE_INACTIVE_FOREGROUND] = Color.wpf_new (this, OS.SystemColors_InactiveCaptionTextColor ()); + colors [SWT.COLOR_TITLE_INACTIVE_BACKGROUND] = Color.wpf_new (this, OS.SystemColors_InactiveCaptionColor ()); + colors [SWT.COLOR_TITLE_INACTIVE_BACKGROUND_GRADIENT] = Color.wpf_new (this, OS.SystemColors_GradientInactiveCaptionColor ()); + +} + +void HandleDispatcherInactive (int sender, int e) { + if (runAsyncMessages (false)) wakeThread (); + idle = true; +} + +void HandleOperationAborted (int sender, int e) { +// operationCount--; + checkExitFrame (e); +// idle = false; +} + +void HandleOperationCompleted (int sender, int e) { +// operationCount--; + checkExitFrame (e); + idle = false; +} + +void HandleOperationPosted (int sender, int e) { +// operationCount++; +// idle = false; +// wakeThread (); +} + +/** + * Invokes platform specific functionality to dispose a GC handle. + * <p> + * <b>IMPORTANT:</b> This method is <em>not</em> part of the public + * API for <code>Display</code>. It is marked public only so that it + * can be shared within the packages provided by SWT. It is not + * available on all platforms, and should never be called from + * application code. + * </p> + * + * @param hDC the platform specific GC handle + * @param data the platform specific GC data + */ +public void internal_dispose_GC (int hDC, GCData data) { +} + +boolean isValidThread () { + return thread == Thread.currentThread (); +} + +/** + * Maps a point from one coordinate system to another. + * When the control is null, coordinates are mapped to + * the display. + * <p> + * NOTE: On right-to-left platforms where the coordinate + * systems are mirrored, special care needs to be taken + * when mapping coordinates from one control to another + * to ensure the result is correctly mirrored. + * + * Mapping a point that is the origin of a rectangle and + * then adding the width and height is not equivalent to + * mapping the rectangle. When one control is mirrored + * and the other is not, adding the width and height to a + * point that was mapped causes the rectangle to extend + * in the wrong direction. Mapping the entire rectangle + * instead of just one point causes both the origin and + * the corner of the rectangle to be mapped. + * </p> + * + * @param from the source <code>Control</code> or <code>null</code> + * @param to the destination <code>Control</code> or <code>null</code> + * @param point to be mapped + * @return point with mapped coordinates + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the Control from or the Control to have been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 2.1.2 + */ +public Point map (Control from, Control to, Point point) { + checkDevice (); + if (point == null) error (SWT.ERROR_NULL_ARGUMENT); + return map (from, to, point.x, point.y); +} + +/** + * Maps a point from one coordinate system to another. + * When the control is null, coordinates are mapped to + * the display. + * <p> + * NOTE: On right-to-left platforms where the coordinate + * systems are mirrored, special care needs to be taken + * when mapping coordinates from one control to another + * to ensure the result is correctly mirrored. + * + * Mapping a point that is the origin of a rectangle and + * then adding the width and height is not equivalent to + * mapping the rectangle. When one control is mirrored + * and the other is not, adding the width and height to a + * point that was mapped causes the rectangle to extend + * in the wrong direction. Mapping the entire rectangle + * instead of just one point causes both the origin and + * the corner of the rectangle to be mapped. + * </p> + * + * @param from the source <code>Control</code> or <code>null</code> + * @param to the destination <code>Control</code> or <code>null</code> + * @param x coordinates to be mapped + * @param y coordinates to be mapped + * @return point with mapped coordinates + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the Control from or the Control to have been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 2.1.2 + */ +public Point map (Control from, Control to, int x, int y) { + checkDevice (); + if (from != null && from.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + if (to != null && to.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + int point = OS.gcnew_Point (x, y); + if (from != null && OS.FrameworkElement_IsLoaded(from.handle)) { + int result = OS.Visual_PointToScreen (from.handle, point); + OS.GCHandle_Free (point); + point = result; + } + if (to != null && OS.FrameworkElement_IsLoaded(to.handle)) { + int result = OS.Visual_PointFromScreen (to.handle, point); + OS.GCHandle_Free (point); + point = result; + } + Point result = new Point ((int)OS.Point_X (point), (int)OS.Point_Y (point)); + OS.GCHandle_Free (point); + return result; +} + +/** + * Maps a point from one coordinate system to another. + * When the control is null, coordinates are mapped to + * the display. + * <p> + * NOTE: On right-to-left platforms where the coordinate + * systems are mirrored, special care needs to be taken + * when mapping coordinates from one control to another + * to ensure the result is correctly mirrored. + * + * Mapping a point that is the origin of a rectangle and + * then adding the width and height is not equivalent to + * mapping the rectangle. When one control is mirrored + * and the other is not, adding the width and height to a + * point that was mapped causes the rectangle to extend + * in the wrong direction. Mapping the entire rectangle + * instead of just one point causes both the origin and + * the corner of the rectangle to be mapped. + * </p> + * + * @param from the source <code>Control</code> or <code>null</code> + * @param to the destination <code>Control</code> or <code>null</code> + * @param rectangle to be mapped + * @return rectangle with mapped coordinates + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the rectangle is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the Control from or the Control to have been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 2.1.2 + */ +public Rectangle map (Control from, Control to, Rectangle rectangle) { + checkDevice (); + if (rectangle == null) error (SWT.ERROR_NULL_ARGUMENT); + return map (from, to, rectangle.x, rectangle.y, rectangle.width, rectangle.height); +} + +/** + * Maps a point from one coordinate system to another. + * When the control is null, coordinates are mapped to + * the display. + * <p> + * NOTE: On right-to-left platforms where the coordinate + * systems are mirrored, special care needs to be taken + * when mapping coordinates from one control to another + * to ensure the result is correctly mirrored. + * + * Mapping a point that is the origin of a rectangle and + * then adding the width and height is not equivalent to + * mapping the rectangle. When one control is mirrored + * and the other is not, adding the width and height to a + * point that was mapped causes the rectangle to extend + * in the wrong direction. Mapping the entire rectangle + * instead of just one point causes both the origin and + * the corner of the rectangle to be mapped. + * </p> + * + * @param from the source <code>Control</code> or <code>null</code> + * @param to the destination <code>Control</code> or <code>null</code> + * @param x coordinates to be mapped + * @param y coordinates to be mapped + * @param width coordinates to be mapped + * @param height coordinates to be mapped + * @return rectangle with mapped coordinates + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the Control from or the Control to have been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 2.1.2 + */ +public Rectangle map (Control from, Control to, int x, int y, int width, int height) { + checkDevice (); + if (from != null && from.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + if (to != null && to.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + //FIXME - HACK + Point point = map(from, to, x, y); + return new Rectangle (point.x, point.y, width, height); +} + +/** + * Generate a low level system event. + * + * <code>post</code> is used to generate low level keyboard + * and mouse events. The intent is to enable automated UI + * testing by simulating the input from the user. Most + * SWT applications should never need to call this method. + * <p> + * Note that this operation can fail when the operating system + * fails to generate the event for any reason. For example, + * this can happen when there is no such key or mouse button + * or when the system event queue is full. + * </p> + * <p> + * <b>Event Types:</b> + * <p>KeyDown, KeyUp + * <p>The following fields in the <code>Event</code> apply: + * <ul> + * <li>(in) type KeyDown or KeyUp</li> + * <p> Either one of: + * <li>(in) character a character that corresponds to a keyboard key</li> + * <li>(in) keyCode the key code of the key that was typed, + * as defined by the key code constants in class <code>SWT</code></li> + * </ul> + * <p>MouseDown, MouseUp</p> + * <p>The following fields in the <code>Event</code> apply: + * <ul> + * <li>(in) type MouseDown or MouseUp + * <li>(in) button the button that is pressed or released + * </ul> + * <p>MouseMove</p> + * <p>The following fields in the <code>Event</code> apply: + * <ul> + * <li>(in) type MouseMove + * <li>(in) x the x coordinate to move the mouse pointer to in screen coordinates + * <li>(in) y the y coordinate to move the mouse pointer to in screen coordinates + * </ul> + * </dl> + * + * @param event the event to be generated + * + * @return true if the event was generated or false otherwise + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the event is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 3.0 + * + */ +public boolean post (Event event) { + if (isDisposed ()) error (SWT.ERROR_DEVICE_DISPOSED); + if (event == null) error (SWT.ERROR_NULL_ARGUMENT); +// int type = event.type; +// switch (type){ +// case SWT.KeyDown: +// case SWT.KeyUp: { +// KEYBDINPUT inputs = new KEYBDINPUT (); +// inputs.wVk = (short) untranslateKey (event.keyCode); +// if (inputs.wVk == 0) { +// char key = event.character; +// switch (key) { +// case SWT.BS: inputs.wVk = (short) OS.VK_BACK; break; +// case SWT.CR: inputs.wVk = (short) OS.VK_RETURN; break; +// case SWT.DEL: inputs.wVk = (short) OS.VK_DELETE; break; +// case SWT.ESC: inputs.wVk = (short) OS.VK_ESCAPE; break; +// case SWT.TAB: inputs.wVk = (short) OS.VK_TAB; break; +// /* +// * Since there is no LF key on the keyboard, do not attempt +// * to map LF to CR or attempt to post an LF key. +// */ +//// case SWT.LF: inputs.wVk = (short) OS.VK_RETURN; break; +// case SWT.LF: return false; +// default: { +// if (OS.IsWinCE) { +// inputs.wVk = OS.CharUpper ((short) key); +// } else { +// inputs.wVk = OS.VkKeyScan ((short) wcsToMbcs (key, 0)); +// if (inputs.wVk == -1) return false; +// inputs.wVk &= 0xFF; +// } +// } +// } +// } +// inputs.dwFlags = type == SWT.KeyUp ? OS.KEYEVENTF_KEYUP : 0; +// int hHeap = OS.GetProcessHeap (); +// int pInputs = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, INPUT.sizeof); +// OS.MoveMemory(pInputs, new int[] {OS.INPUT_KEYBOARD}, 4); +// OS.MoveMemory (pInputs + 4, inputs, KEYBDINPUT.sizeof); +// boolean result = OS.SendInput (1, pInputs, INPUT.sizeof) != 0; +// OS.HeapFree (hHeap, 0, pInputs); +// return result; +// } +// case SWT.MouseDown: +// case SWT.MouseMove: +// case SWT.MouseUp: { +// MOUSEINPUT inputs = new MOUSEINPUT (); +// if (type == SWT.MouseMove){ +// inputs.dwFlags = OS.MOUSEEVENTF_MOVE | OS.MOUSEEVENTF_ABSOLUTE; +// inputs.dx = event.x * 65535 / (OS.GetSystemMetrics (OS.SM_CXSCREEN) - 1); +// inputs.dy = event.y * 65535 / (OS.GetSystemMetrics (OS.SM_CYSCREEN) - 1); +// } else { +// switch (event.button) { +// case 1: inputs.dwFlags = type == SWT.MouseDown ? OS.MOUSEEVENTF_LEFTDOWN : OS.MOUSEEVENTF_LEFTUP; break; +// case 2: inputs.dwFlags = type == SWT.MouseDown ? OS.MOUSEEVENTF_MIDDLEDOWN : OS.MOUSEEVENTF_MIDDLEUP; break; +// case 3: inputs.dwFlags = type == SWT.MouseDown ? OS.MOUSEEVENTF_RIGHTDOWN : OS.MOUSEEVENTF_RIGHTUP; break; +// default: return false; +// } +// } +// int hHeap = OS.GetProcessHeap (); +// int pInputs = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, INPUT.sizeof); +// OS.MoveMemory(pInputs, new int[] {OS.INPUT_MOUSE}, 4); +// OS.MoveMemory (pInputs + 4, inputs, MOUSEINPUT.sizeof); +// boolean result = OS.SendInput (1, pInputs, INPUT.sizeof) != 0; +// OS.HeapFree (hHeap, 0, pInputs); +// return result; +// } +// } + return false; +} + +void postEvent (Event event) { + /* + * Place the event at the end of the event queue. + * This code is always called in the Display's + * thread so it must be re-enterant but does not + * need to be synchronized. + */ + if (eventQueue == null) eventQueue = new Event [4]; + int index = 0; + int length = eventQueue.length; + while (index < length) { + if (eventQueue [index] == null) break; + index++; + } + if (index == length) { + Event [] newQueue = new Event [length + 4]; + System.arraycopy (eventQueue, 0, newQueue, 0, length); + eventQueue = newQueue; + } + eventQueue [index] = event; +} + +void removePopup (Menu menu) { + if (popups == null) return; + for (int i=0; i<popups.length; i++) { + if (popups [i] == menu) { + popups [i] = null; + return; + } + } +} + +/** + * Reads an event from the operating system's event queue, + * dispatches it appropriately, and returns <code>true</code> + * if there is potentially more work to do, or <code>false</code> + * if the caller can sleep until another event is placed on + * the event queue. + * <p> + * In addition to checking the system event queue, this method also + * checks if any inter-thread messages (created by <code>syncExec()</code> + * or <code>asyncExec()</code>) are waiting to be processed, and if + * so handles them before returning. + * </p> + * + * @return <code>false</code> if the caller can sleep upon return from this method + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_FAILED_EXEC - if an exception occurred while running an inter-thread message</li> + * </ul> + * + * @see #sleep + * @see #wake + */ +public boolean readAndDispatch () { + checkDevice (); +// System.out.print("["); + runPopups (); + try { + OS.DispatcherFrame_Continue(frame, true); + OS.Dispatcher_PushFrame(frame); + if (!idle) { + runDeferredEvents(); + return true; + } +// return runAsyncMessages (false); + return true; + } finally { +// System.out.print("]"); + } +} + +static synchronized void register (Display display) { + for (int i=0; i<Displays.length; i++) { + if (Displays [i] == null) { + Displays [i] = display; + return; + } + } + Display [] newDisplays = new Display [Displays.length + 4]; + System.arraycopy (Displays, 0, newDisplays, 0, Displays.length); + newDisplays [Displays.length] = display; + Displays = newDisplays; +} + +/** + * Releases any internal resources back to the operating + * system and clears all fields except the device handle. + * <p> + * Disposes all shells which are currently open on the display. + * After this method has been invoked, all related related shells + * will answer <code>true</code> when sent the message + * <code>isDisposed()</code>. + * </p><p> + * When a device is destroyed, resources that were acquired + * on behalf of the programmer need to be returned to the + * operating system. For example, if the device allocated a + * font to be used as the system font, this font would be + * freed in <code>release</code>. Also,to assist the garbage + * collector and minimize the amount of memory that is not + * reclaimed when the programmer keeps a reference to a + * disposed device, all fields except the handle are zero'd. + * The handle is needed by <code>destroy</code>. + * </p> + * This method is called before <code>destroy</code>. + * + * @see Device#dispose + * @see #destroy + */ +protected void release () { + sendEvent (SWT.Dispose, new Event ()); + Shell [] shells = getShells (); + for (int i=0; i<shells.length; i++) { + Shell shell = shells [i]; + if (!shell.isDisposed ()) shell.dispose (); + } + if (tray != null) tray.dispose (); + tray = null; + + //hack... readAndDispatch Always returns true right now, prevents apps from shutting down. + //while (readAndDispatch ()) {} + + if (disposeList != null) { + for (int i=0; i<disposeList.length; i++) { + if (disposeList [i] != null) disposeList [i].run (); + } + } + disposeList = null; + synchronizer.releaseSynchronizer (); + synchronizer = null; + releaseDisplay (); + super.release (); +} + +void releaseDisplay () { + OS.Application_Shutdown(application); + if (application != 0) OS.GCHandle_Free (application); + application = 0; + if (dispatcher != 0) OS.GCHandle_Free (dispatcher); + dispatcher = 0; + if (frame != 0) OS.GCHandle_Free (frame); + frame = 0; + if (jniRef != 0) OS.DeleteGlobalRef (jniRef); + jniRef = 0; + + for (int i = 0; i < colors.length; i++) { + if (colors [i] != null) colors [i].dispose (); + } + colors = null; + + /* Release the timers */ + OS.GCHandle_Free (timerHandler); + timerHandler = 0; + if (timerHandles != null) { + for (int i = 0; i < timerHandles.length; i++) { + int timer = timerHandles [i]; + if (timer != 0) { + OS.DispatcherTimer_Stop (timer); + OS.GCHandle_Free (timer); + } + } + } + timerHandles = null; + timerList = null; + +// /* Release the System fonts */ +// if (systemFont != null) systemFont.dispose (); +// systemFont = null; +// lfSystemFont = null; +// + /* Release the System Images */ + if (errorImage != null) errorImage.dispose (); + if (infoImage != null) infoImage.dispose (); + if (questionImage != null) questionImage.dispose (); + if (warningIcon != null) warningIcon.dispose (); + errorImage = infoImage = questionImage = warningIcon = null; + + /* Release the System Cursors */ + for (int i = 0; i < cursors.length; i++) { + if (cursors [i] != null) cursors [i].dispose (); + } + cursors = null; + +// /* Release Acquired Resources */ +// if (resources != null) { +// for (int i=0; i<resources.length; i++) { +// if (resources [i] != null) resources [i].dispose (); +// } +// resources = null; +// } +// + /* Release Custom Colors for ChooseColor */ + if (customColors != 0) OS.GCHandle_Free (customColors); + customColors = 0; + + /* Release references */ + thread = null; +// keyboard = null; +// modalDialogShell = null; +// modalShells = null; +// data = null; + keys = null; + values = null; + popups = null; + + /* Uninitialize OLE */ + COM.OleUninitialize (); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when an event of the given type occurs anywhere in + * a widget. The event type is one of the event constants defined + * in class <code>SWT</code>. + * + * @param eventType the type of event to listen for + * @param listener the listener which should no longer be notified when the event occurs + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Listener + * @see SWT + * @see #addFilter + * @see #addListener + * + * @since 3.0 + */ +public void removeFilter (int eventType, Listener listener) { + checkDevice (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (filterTable == null) return; + filterTable.unhook (eventType, listener); + if (filterTable.size () == 0) filterTable = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when an event of the given type occurs. The event type + * is one of the event constants defined in class <code>SWT</code>. + * + * @param eventType the type of event to listen for + * @param listener the listener which should no longer be notified when the event occurs + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see Listener + * @see SWT + * @see #addListener + * + * @since 2.0 + */ +public void removeListener (int eventType, Listener listener) { + checkDevice (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (eventType, listener); +} + +Widget removeWidget (int handle) { + if (handle == 0) return null; + int tag = OS.FrameworkElement_Tag (handle), ref = 0; + if (tag != 0) { + ref = OS.IntPtr_ToInt32(tag); + OS.GCHandle_Free(tag); + } + Widget widget = null; + if (ref != 0) { + OS.FrameworkElement_Tag (handle, 0); + widget = (Widget) OS.JNIGetObject (ref); + } + return widget; +} + +boolean runAsyncMessages (boolean all) { + return synchronizer.runAsyncMessages (all); +} + +boolean runDeferredEvents () { + /* + * Run deferred events. This code is always + * called in the Display's thread so it must + * be re-enterant but need not be synchronized. + */ + while (eventQueue != null) { + + /* Take an event off the queue */ + Event event = eventQueue [0]; + if (event == null) break; + int length = eventQueue.length; + System.arraycopy (eventQueue, 1, eventQueue, 0, --length); + eventQueue [length] = null; + + /* Run the event */ + Widget widget = event.widget; + if (widget != null && !widget.isDisposed ()) { + Widget item = event.item; + if (item == null || !item.isDisposed ()) { + widget.sendEvent (event); + } + } + + /* + * At this point, the event queue could + * be null due to a recursive invokation + * when running the event. + */ + } + + /* Clear the queue */ + eventQueue = null; + return true; +} + +boolean runPopups () { + if (popups == null) return false; + boolean result = false; + while (popups != null) { + Menu menu = popups [0]; + if (menu == null) break; + int length = popups.length; + System.arraycopy (popups, 1, popups, 0, --length); + popups [length] = null; + runDeferredEvents (); + if (!menu.isDisposed()) menu._setVisible (true); + result = true; + } + popups = null; + return result; +} + +void runSettings () { + Font oldFont = getSystemFont (); + saveResources (); +// updateImages (); + sendEvent (SWT.Settings, null); + Font newFont = getSystemFont (); + boolean sameFont = oldFont.equals (newFont); + Shell [] shells = getShells (); + for (int i=0; i<shells.length; i++) { + Shell shell = shells [i]; + if (!shell.isDisposed ()) { + if (!sameFont) { + shell.updateFont (oldFont, newFont); + } + /* This code is intentionally commented */ + //shell.redraw (true); + shell.layout (true, true); + } + } +} + +void saveResources () { +// int resourceCount = 0; +// if (resources == null) { +// resources = new Resource [RESOURCE_SIZE]; +// } else { +// resourceCount = resources.length; +// Resource [] newResources = new Resource [resourceCount + RESOURCE_SIZE]; +// System.arraycopy (resources, 0, newResources, 0, resourceCount); +// resources = newResources; +// } +// if (systemFont != null) { +// if (!OS.IsWinCE) { +// NONCLIENTMETRICS info = OS.IsUnicode ? (NONCLIENTMETRICS) new NONCLIENTMETRICSW () : new NONCLIENTMETRICSA (); +// info.cbSize = NONCLIENTMETRICS.sizeof; +// if (OS.SystemParametersInfo (OS.SPI_GETNONCLIENTMETRICS, 0, info, 0)) { +// LOGFONT logFont = OS.IsUnicode ? (LOGFONT) ((NONCLIENTMETRICSW)info).lfMessageFont : ((NONCLIENTMETRICSA)info).lfMessageFont; +// if (lfSystemFont == null || +// logFont.lfCharSet != lfSystemFont.lfCharSet || +// logFont.lfHeight != lfSystemFont.lfHeight || +// logFont.lfWidth != lfSystemFont.lfWidth || +// logFont.lfEscapement != lfSystemFont.lfEscapement || +// logFont.lfOrientation != lfSystemFont.lfOrientation || +// logFont.lfWeight != lfSystemFont.lfWeight || +// logFont.lfItalic != lfSystemFont.lfItalic || +// logFont.lfUnderline != lfSystemFont.lfUnderline || +// logFont.lfStrikeOut != lfSystemFont.lfStrikeOut || +// logFont.lfCharSet != lfSystemFont.lfCharSet || +// logFont.lfOutPrecision != lfSystemFont.lfOutPrecision || +// logFont.lfClipPrecision != lfSystemFont.lfClipPrecision || +// logFont.lfQuality != lfSystemFont.lfQuality || +// logFont.lfPitchAndFamily != lfSystemFont.lfPitchAndFamily || +// !getFontName (logFont).equals (getFontName (lfSystemFont))) { +// resources [resourceCount++] = systemFont; +// lfSystemFont = logFont; +// systemFont = null; +// } +// } +// } +// } +// if (errorImage != null) resources [resourceCount++] = errorImage; +// if (infoImage != null) resources [resourceCount++] = infoImage; +// if (questionImage != null) resources [resourceCount++] = questionImage; +// if (warningIcon != null) resources [resourceCount++] = warningIcon; +// errorImage = infoImage = questionImage = warningIcon = null; +// for (int i=0; i<cursors.length; i++) { +// if (cursors [i] != null) resources [resourceCount++] = cursors [i]; +// cursors [i] = null; +// } +// if (resourceCount < RESOURCE_SIZE) { +// Resource [] newResources = new Resource [resourceCount]; +// System.arraycopy (resources, 0, newResources, 0, resourceCount); +// resources = newResources; +// } +} + +void sendEvent (int eventType, Event event) { + if (eventTable == null && filterTable == null) { + return; + } + if (event == null) event = new Event (); + event.display = this; + event.type = eventType; + if (event.time == 0) event.time = getLastEventTime (); + if (!filterEvent (event)) { + if (eventTable != null) eventTable.sendEvent (event); + } +} + +/** + * Sets the location of the on-screen pointer relative to the top left corner + * of the screen. <b>Note: It is typically considered bad practice for a + * program to move the on-screen pointer location.</b> + * + * @param x the new x coordinate for the cursor + * @param y the new y coordinate for the cursor + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 2.1 + */ +public void setCursorLocation (int x, int y) { + checkDevice (); + OS.SetCursorPos (x, y); +} + +/** + * Sets the location of the on-screen pointer relative to the top left corner + * of the screen. <b>Note: It is typically considered bad practice for a + * program to move the on-screen pointer location.</b> + * + * @param point new position + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_NULL_ARGUMENT - if the point is null + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @since 2.0 + */ +public void setCursorLocation (Point point) { + checkDevice (); + if (point == null) error (SWT.ERROR_NULL_ARGUMENT); + setCursorLocation (point.x, point.y); +} + +/** + * Sets the application defined property of the receiver + * with the specified name to the given argument. + * <p> + * Applications may have associated arbitrary objects with the + * receiver in this fashion. If the objects stored in the + * properties need to be notified when the display is disposed + * of, it is the application's responsibility provide a + * <code>disposeExec()</code> handler which does so. + * </p> + * + * @param key the name of the property + * @param value the new value for the property + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the key is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see #getData(String) + * @see #disposeExec(Runnable) + */ +public void setData (String key, Object value) { + checkDevice (); + if (key == null) error (SWT.ERROR_NULL_ARGUMENT); + +// if (key.equals (RUN_MESSAGES_IN_IDLE_KEY)) { +// Boolean data = (Boolean) value; +// runMessagesInIdle = data != null && data.booleanValue (); +// return; +// } + + /* Remove the key/value pair */ + if (value == null) { + if (keys == null) return; + int index = 0; + while (index < keys.length && !keys [index].equals (key)) index++; + if (index == keys.length) return; + if (keys.length == 1) { + keys = null; + values = null; + } else { + String [] newKeys = new String [keys.length - 1]; + Object [] newValues = new Object [values.length - 1]; + System.arraycopy (keys, 0, newKeys, 0, index); + System.arraycopy (keys, index + 1, newKeys, index, newKeys.length - index); + System.arraycopy (values, 0, newValues, 0, index); + System.arraycopy (values, index + 1, newValues, index, newValues.length - index); + keys = newKeys; + values = newValues; + } + return; + } + + /* Add the key/value pair */ + if (keys == null) { + keys = new String [] {key}; + values = new Object [] {value}; + return; + } + for (int i=0; i<keys.length; i++) { + if (keys [i].equals (key)) { + values [i] = value; + return; + } + } + String [] newKeys = new String [keys.length + 1]; + Object [] newValues = new Object [values.length + 1]; + System.arraycopy (keys, 0, newKeys, 0, keys.length); + System.arraycopy (values, 0, newValues, 0, values.length); + newKeys [keys.length] = key; + newValues [values.length] = value; + keys = newKeys; + values = newValues; +} + +/** + * Sets the application defined, display specific data + * associated with the receiver, to the argument. + * The <em>display specific data</em> is a single, + * unnamed field that is stored with every display. + * <p> + * Applications may put arbitrary objects in this field. If + * the object stored in the display specific data needs to + * be notified when the display is disposed of, it is the + * application's responsibility provide a + * <code>disposeExec()</code> handler which does so. + * </p> + * + * @param data the new display specific data + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see #getData() + * @see #disposeExec(Runnable) + */ +public void setData (Object data) { + checkDevice (); + this.data = data; +} + +/** + * On platforms which support it, sets the application name + * to be the argument. On Motif, for example, this can be used + * to set the name used for resource lookup. Specifying + * <code>null</code> for the name clears it. + * + * @param name the new app name or <code>null</code> + */ +public static void setAppName (String name) { + /* Do nothing */ +} + +void setModalDialogShell (Shell modalDailog) { +// if (modalDialogShell != null && modalDialogShell.isDisposed ()) modalDialogShell = null; +// this.modalDialogShell = modalDailog; +// Shell [] shells = getShells (); +// for (int i=0; i<shells.length; i++) shells [i].updateModal (); +} + +void setModalShell (Shell shell) { +// if (modalShells == null) modalShells = new Shell [4]; +// int index = 0, length = modalShells.length; +// while (index < length) { +// if (modalShells [index] == shell) return; +// if (modalShells [index] == null) break; +// index++; +// } +// if (index == length) { +// Shell [] newModalShells = new Shell [length + 4]; +// System.arraycopy (modalShells, 0, newModalShells, 0, length); +// modalShells = newModalShells; +// } +// modalShells [index] = shell; +// Shell [] shells = getShells (); +// for (int i=0; i<shells.length; i++) shells [i].updateModal (); +} + +/** + * Sets the synchronizer used by the display to be + * the argument, which can not be null. + * + * @param synchronizer the new synchronizer for the display (must not be null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the synchronizer is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_FAILED_EXEC - if an exception occurred while running an inter-thread message</li> + * </ul> + */ +public void setSynchronizer (Synchronizer synchronizer) { + checkDevice (); + if (synchronizer == null) error (SWT.ERROR_NULL_ARGUMENT); + if (this.synchronizer != null) { + this.synchronizer.runAsyncMessages(true); + } + this.synchronizer = synchronizer; +} + +/** + * Causes the user-interface thread to <em>sleep</em> (that is, + * to be put in a state where it does not consume CPU cycles) + * until an event is received or it is otherwise awakened. + * + * @return <code>true</code> if an event requiring dispatching was placed on the queue. + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see #wake + */ +public boolean sleep () { + checkDevice (); +//System.out.print("<"); +//try { +// if (getMessageCount () != 0) return true; +// sleep = 0; +// OS.DispatcherFrame_Continue(frame, true); +// OS.Dispatcher_PushFrame(frame); +// sleep = -1; + return true; +//} finally { +// System.out.println(">"); +//} +} + +/** + * Causes the <code>run()</code> method of the runnable to + * be invoked by the user-interface thread at the next + * reasonable opportunity. The thread which calls this method + * is suspended until the runnable completes. Specifying <code>null</code> + * as the runnable simply wakes the user-interface thread. + * <p> + * Note that at the time the runnable is invoked, widgets + * that have the receiver as their display may have been + * disposed. Therefore, it is necessary to check for this + * case inside the runnable before accessing the widget. + * </p> + * + * @param runnable code to run on the user-interface thread or <code>null</code> + * + * @exception SWTException <ul> + * <li>ERROR_FAILED_EXEC - if an exception occured when executing the runnable</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see #asyncExec + */ +public void syncExec (Runnable runnable) { + if (isDisposed ()) error (SWT.ERROR_DEVICE_DISPOSED); + synchronizer.syncExec (runnable); +} + +/** + * Causes the <code>run()</code> method of the runnable to + * be invoked by the user-interface thread after the specified + * number of milliseconds have elapsed. If milliseconds is less + * than zero, the runnable is not executed. + * <p> + * Note that at the time the runnable is invoked, widgets + * that have the receiver as their display may have been + * disposed. Therefore, it is necessary to check for this + * case inside the runnable before accessing the widget. + * </p> + * + * @param milliseconds the delay before running the runnable + * @param runnable code to run on the user-interface thread + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the runnable is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see #asyncExec + */ +public void timerExec (int milliseconds, Runnable runnable) { + checkDevice (); + if (runnable == null) error (SWT.ERROR_NULL_ARGUMENT); + if (timerList == null) timerList = new Runnable [4]; + if (timerHandles == null) timerHandles = new int [4]; + int index = 0; + while (index < timerList.length) { + if (timerList [index] == runnable) break; + index++; + } + if (index != timerList.length) { + int timer = timerHandles [index]; + if (milliseconds < 0) { + OS.DispatcherTimer_Stop (timer); + timerList [index] = null; + timerHandles [index] = 0; + OS.GCHandle_Free (timer); + return; + } + } else { + if (milliseconds < 0) return; + index = 0; + while (index < timerList.length) { + if (timerList [index] == null) break; + index++; + } + if (index == timerList.length) { + Runnable [] newTimerList = new Runnable [timerList.length + 4]; + System.arraycopy (timerList, 0, newTimerList, 0, timerList.length); + timerList = newTimerList; + int [] newTimerHandles = new int [timerHandles.length + 4]; + System.arraycopy (timerHandles, 0, newTimerHandles, 0, timerHandles.length); + timerHandles = newTimerHandles; + } + } + int timer = OS.gcnew_DispatcherTimer(); + if (timer != 0) { + OS.DispatcherTimer_Tag(timer, index); + int timeSpan = OS.TimeSpan_FromMilliseconds(milliseconds); + OS.DispatcherTimer_Interval(timer, timeSpan); + OS.DispatcherTimer_Tick(timer, timerHandler); + OS.DispatcherTimer_Start(timer); + timerList [index] = runnable; + timerHandles [index] = timer; + OS.GCHandle_Free(timeSpan); + } +} + +void timerProc (int index, int e) { + if (0 <= index && index < timerHandles.length) { + int timer = timerHandles [index]; + if (timer != 0) { + OS.DispatcherTimer_Stop (timer); + OS.GCHandle_Free (timer); + timerHandles [index] = 0; + Runnable runnable = timerList [index]; + timerList [index] = null; + runnable.run (); + } + } +} + +static int translateKey (int key) { + for (int i=0; i<KeyTable.length; i++) { + if (KeyTable [i] [0] == key) return KeyTable [i] [1]; + } + return 0; +} + +static int untranslateKey (int key) { + for (int i=0; i<KeyTable.length; i++) { + if (KeyTable [i] [1] == key) return KeyTable [i] [0]; + } + return 0; +} + +/** + * Forces all outstanding paint requests for the display + * to be processed before this method returns. + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see Control#update() + */ +public void update() { + checkDevice (); + Shell[] shells = getShells (); + for (int i=0; i<shells.length; i++) { + Shell shell = shells [i]; + if (!shell.isDisposed ()) shell.update (true); + } +} + +/** + * If the receiver's user-interface thread was <code>sleep</code>ing, + * causes it to be awakened and start running again. Note that this + * method may be called from any thread. + * + * @exception SWTException <ul> + * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> + * </ul> + * + * @see #sleep + */ +public void wake () { + if (isDisposed ()) error (SWT.ERROR_DEVICE_DISPOSED); + if (thread == Thread.currentThread ()) return; + wakeThread (); +} + +void wakeThread () { + int handler = OS.gcnew_NoArgsDelegate (); + OS.Dispatcher_BeginInvoke (dispatcher, OS.DispatcherPriority_Send, handler); + OS.GCHandle_Free (handler); +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandBar.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandBar.java new file mode 100644 index 0000000000..e0d685f402 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandBar.java @@ -0,0 +1,425 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class support the layout of selectable + * expand bar items. + * <p> + * The item children that may be added to instances of this class + * must be of type <code>ExpandItem</code>. + * </p><p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>V_SCROLL</dd> + * <dt><b>Events:</b></dt> + * <dd>Expand, Collapse</dd> + * </dl> + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + * + * @see ExpandItem + * @see ExpandEvent + * @see ExpandListener + * @see ExpandAdapter + * + * @since 3.2 + */ +public class ExpandBar extends Composite { + int parentingHandle; + ExpandItem [] items; + Control [] children; + int itemCount, childCount; + int spacing; + + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public ExpandBar (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +Control [] _getChildren () { + // return children in reverse order. + Control[] result = new Control [childCount]; + for (int i = 0; i < childCount; i++) { + result [childCount - i - 1] = children [i]; + } + return result; +} + +void addChild (Control control) { + super.addChild (control); + if (childCount == children.length) { + Control [] newChildren = new Control [childCount + 4]; + System.arraycopy (children, 0, newChildren, 0, childCount); + children = newChildren; + } + children [childCount++] = control; +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when an item in the receiver is expanded or collapsed + * by sending it one of the messages defined in the <code>ExpandListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ExpandListener + * @see #removeExpandListener + */ +public void addExpandListener (ExpandListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Expand, typedListener); + addListener (SWT.Collapse, typedListener); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +static int checkStyle (int style) { + style &= ~SWT.H_SCROLL; + //TODO implement scrollbar for this widget + style &= ~SWT.V_SCROLL; + return style | SWT.NO_BACKGROUND; +} + +public Point computeSize (int wHint, int hHint, boolean changed) { + checkWidget (); + return super.computeSize(handle, wHint, hHint, changed); +} + +void createHandle () { + state |= THEME_BACKGROUND; + parentingHandle = OS.gcnew_Canvas (); + if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES); + handle = OS.gcnew_StackPanel (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + int children = OS.Panel_Children (parentingHandle); + OS.UIElementCollection_Add (children, handle); + OS.GCHandle_Free (children); +} + +void createItem (ExpandItem item, int style, int index) { + if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); + if (itemCount == items.length) { + ExpandItem [] newItems = new ExpandItem [itemCount + 4]; + System.arraycopy (items, 0, newItems, 0, items.length); + items = newItems; + } + System.arraycopy (items, index, items, index + 1, itemCount - index); + item.createWidget(); + int uiElementCollectinon = OS.Panel_Children(handle); + OS.UIElementCollection_Insert(uiElementCollectinon, index, item.handle); + OS.GCHandle_Free(uiElementCollectinon); + int thickness = OS.gcnew_Thickness (spacing, spacing, spacing, spacing); + OS.FrameworkElement_Margin (item.handle, thickness); + OS.GCHandle_Free (thickness); + items [index] = item; + itemCount++; +} + +void createWidget () { + super.createWidget (); + items = new ExpandItem [4]; + itemCount = 0; + children = new Control [4]; + childCount = 0; +} + +int defaultBackground () { + return OS.SystemColors_ControlColor; +} + +void deregister () { + super.deregister (); + display.removeWidget (parentingHandle); +} + +void destroyItem (ExpandItem item) { + int index = 0; + while (index < itemCount) { + if (items [index] == item) break; + index++; + } + if (index == itemCount) return; + System.arraycopy (items, index + 1, items, index, --itemCount - index); + items [itemCount] = null; +} + +Point getLocation (Control child) { + int topHandle = child.topHandle (); + int point = OS.gcnew_Point (0, 0); + if (point == 0) error (SWT.ERROR_NO_HANDLES); + int location = OS.UIElement_TranslatePoint (topHandle, point, handle); + int x = (int) OS.Point_X (location); + int y = (int) OS.Point_Y (location); + OS.GCHandle_Free (point); + OS.GCHandle_Free (location); + return new Point (x, y); +} + +/** + * Returns the item at the given, zero-relative index in the + * receiver. Throws an exception if the index is out of range. + * + * @param index the index of the item to return + * @return the item at the given index + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public ExpandItem getItem (int index) { + checkWidget (); + if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); + return items [index]; +} + +/** + * Returns the number of items contained in the receiver. + * + * @return the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemCount () { + checkWidget (); + return itemCount; +} + +/** + * Returns an array of <code>ExpandItem</code>s which are the items + * in the receiver. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the items in the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public ExpandItem [] getItems () { + checkWidget (); + ExpandItem [] result = new ExpandItem [itemCount]; + System.arraycopy (items, 0, result, 0, itemCount); + return result; +} + +/** + * Returns the receiver's spacing. + * + * @return the spacing + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSpacing () { + checkWidget (); + return spacing; +} + +boolean hasItems () { + return true; +} + +/** + * Searches the receiver's list starting at the first item + * (index 0) until an item is found that is equal to the + * argument, and returns the index of that item. If no item + * is found, returns -1. + * + * @param item the search item + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the item is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (ExpandItem item) { + checkWidget (); + if (item == null) error (SWT.ERROR_NULL_ARGUMENT); + for (int i = 0; i < itemCount; i++) { + if (items [i] == item) return i; + } + return -1; +} + +int parentingHandle() { + return parentingHandle; +} + +void register () { + super.register (); + display.addWidget (parentingHandle, this); +} + +void releaseChildren (boolean destroy) { + if (items != null) { + for (int i=0; i<items.length; i++) { + ExpandItem item = items [i]; + if (item != null && !item.isDisposed ()) { + item.release (false); + } + } + items = null; + } + super.releaseChildren (destroy); +} + +void releaseHandle () { + super.releaseHandle (); + if (parentingHandle != 0) OS.GCHandle_Free (parentingHandle); + parentingHandle = 0; +} + +void removeChild (Control control) { + super.removeChild (control);//TODO MAKE SURE removeControl gets called first + int index = 0; + while (index < childCount) { + if (children [index] == control) break; + index++; + } + if (index == childCount) return; + System.arraycopy(children, index+1, children, index, --childCount - index); + children [childCount] = null; +} + +void removeControl (Control control) { + super.removeControl (control); + for (int i=0; i<itemCount; i++) { + ExpandItem item = items [i]; + if (item.control == control) item.setControl (null); + } +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when items in the receiver are expanded or collapsed. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ExpandListener + * @see #addExpandListener + */ +public void removeExpandListener (ExpandListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Expand, listener); + eventTable.unhook (SWT.Collapse, listener); +} + +int setBounds (int x, int y, int width, int height, int flags) { + int result = super.setBounds (x, y, width, height, flags); + if ((result & RESIZED) != 0) { + OS.FrameworkElement_Height (handle, height); + OS.FrameworkElement_Width (handle, width); + } + return result; +} + +/** + * Sets the receiver's spacing. Spacing specifies the number of pixels allocated around + * each item. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSpacing (int spacing) { + checkWidget (); + if (spacing < 0) return; + if (spacing == this.spacing) return; + this.spacing = spacing; + int thickness = OS.gcnew_Thickness (spacing, spacing, spacing, spacing); + for (int i = 0; i < itemCount; i++) { + ExpandItem item = items[i]; + OS.FrameworkElement_Margin (item.handle, thickness); + } + OS.GCHandle_Free (thickness); +} + +int topHandle () { + return parentingHandle; +} +}
\ No newline at end of file diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandItem.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandItem.java new file mode 100644 index 0000000000..bcf11a6138 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ExpandItem.java @@ -0,0 +1,391 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; + +/** + * Instances of this class represent a selectable user interface object + * that represents a expandable item in a expand bar. + * <p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + * + * @see ExpandBar + * + * @since 3.2 + */ +public class ExpandItem extends Item { + ExpandBar parent; + Control control; + int imageHandle, textHandle, contentHandle; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public ExpandItem (ExpandBar parent, int style) { + this (parent, style, checkNull (parent).getItemCount ()); +} + +/** + * Constructs a new instance of this class given its parent, a + * style value describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * @param index the zero-relative index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public ExpandItem (ExpandBar parent, int style, int index) { + super (parent, style); + this.parent = parent; + parent.createItem (this, style, index); +} + +static ExpandBar checkNull (ExpandBar control) { + if (control == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); + return control; +} + +void createHandle () { + handle = OS.gcnew_Expander (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + imageHandle = OS.gcnew_Image (); + if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.Image_Stretch (imageHandle, OS.Stretch_None); + OS.UIElement_Visibility (imageHandle, OS.Visibility_Collapsed); + textHandle = OS.gcnew_TextBlock (); + if (textHandle == 0) error (SWT.ERROR_NO_HANDLES); + int panel = OS.gcnew_StackPanel (); + if (panel == 0) error (SWT.ERROR_NO_HANDLES); + OS.StackPanel_Orientation (panel, OS.Orientation_Horizontal); + int thickness = OS.gcnew_Thickness (1, 1, 1, 1); + if (thickness == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_Margin (panel, thickness); + OS.GCHandle_Free (thickness); + int children = OS.Panel_Children (panel); + OS.UIElementCollection_Add (children, imageHandle); + OS.UIElementCollection_Add (children, textHandle); + OS.GCHandle_Free (children); + OS.HeaderedContentControl_Header (handle, panel); + OS.GCHandle_Free (panel); + contentHandle = OS.gcnew_Canvas (); + if (contentHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.ContentControl_Content (handle, contentHandle); +} + +void deregister () { + display.removeWidget (handle); +} + +void destroyWidget () { + parent.destroyItem (this); + releaseHandle (); +} + +/** + * Returns the control that is shown when the item is expanded. + * If no control has been set, return <code>null</code>. + * + * @return the control + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Control getControl () { + checkWidget (); + return control; +} + +/** + * Returns <code>true</code> if the receiver is expanded, + * and false otherwise. + * + * @return the expanded state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getExpanded () { + checkWidget (); + return OS.Expander_IsExpanded (handle); +} + +/** + * Returns the height of the receiver's header + * + * @return the height of the header + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getHeaderHeight () { + checkWidget (); + int panel = OS.HeaderedContentControl_Header (handle); + return (int) OS.FrameworkElement_ActualHeight (panel); +} + +/** + * Gets the height of the receiver. + * + * @return the height + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getHeight () { + checkWidget (); + return (int) OS.FrameworkElement_Height (contentHandle); +} + +/** + * Returns the receiver's parent, which must be a <code>ExpandBar</code>. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public ExpandBar getParent () { + checkWidget (); + return parent; +} + +Control getWidgetControl () { + return parent; +} + +void HandleExpanded (int sender, int e) { + if (!checkEvent (e)) return; + Event event = new Event (); + event.item = this; + parent.notifyListeners (SWT.Expand, event); +} + +void HandleCollapsed (int sender, int e) { + if (!checkEvent (e)) return; + Event event = new Event (); + event.item = this; + parent.notifyListeners (SWT.Collapse, event); +} + +void HandleSizeChanged (int sender, int e) { + if (!checkEvent (e)) return; + resizeControl (); +} + +void hookEvents () { + super.hookEvents (); + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleExpanded"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.Expander_Expanded (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleCollapsed"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.Expander_Collapsed (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_SizeChangedEventHandler (jniRef, "HandleSizeChanged"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_SizeChanged (contentHandle, handler); + OS.GCHandle_Free (handler); +} + +void register () { + display.addWidget (handle, this); +} + +void releaseHandle () { + super.releaseHandle (); + if (handle != 0) OS.GCHandle_Free (handle); + handle = 0; + parent = null; + if (textHandle != 0) OS.GCHandle_Free (textHandle); + textHandle = 0; + if (imageHandle !=0 )OS.GCHandle_Free (imageHandle); + imageHandle = 0; + if (contentHandle != 0) OS.GCHandle_Free (contentHandle); + contentHandle = 0; +} + +void resizeControl () { + if (control != null) { + int width = (int) OS.FrameworkElement_ActualWidth (contentHandle); + int height = (int) OS.FrameworkElement_Height (contentHandle); + control.setSize (width, height); + } +} + +/** + * Sets the control that is shown when the item is expanded. + * + * @param control the new control (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> + * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setControl (Control control) { + checkWidget (); + if (control != null) { + if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + if (control.parent != parent) error (SWT.ERROR_INVALID_PARENT); + } + Control oldControl = this.control, newControl = control; + this.control = control; + int children = OS.Panel_Children (contentHandle); + int parentHandle = parent.parentingHandle (); + int parentChildren = OS.Panel_Children (parentHandle); + if (newControl != null) { + int topHandle = newControl.topHandle (); + OS.UIElementCollection_Remove (parentChildren, topHandle); + OS.UIElementCollection_Add (children, topHandle); + } + if (oldControl != null) { + int topHandle = oldControl.topHandle (); + OS.UIElementCollection_Remove (children, topHandle); + OS.UIElementCollection_Add (parentChildren, topHandle); + } + OS.GCHandle_Free (children); + OS.GCHandle_Free (parentChildren); +} + +/** + * Sets the expanded state of the receiver. + * + * @param expanded the new expanded state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setExpanded (boolean expanded) { + checkWidget (); + OS.Expander_IsExpanded(handle, expanded); +} + +/** + * Sets the height of the receiver. This is height of the item when it is expanded, + * excluding the height of the header. + * + * @param height the new height + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setHeight (int height) { + checkWidget (); + if (height < 0) return; + OS.FrameworkElement_Height (contentHandle, height); +} + +public void setImage (Image image) { + super.setImage (image); + if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); + this.image = image; + OS.Image_Source (imageHandle, image != null ? image.handle : 0); + OS.UIElement_Visibility (imageHandle, image != null ? OS.Visibility_Visible : OS.Visibility_Collapsed); + OS.UIElement_Visibility (textHandle, image != null && text.length () == 0 ? OS.Visibility_Collapsed : OS.Visibility_Visible); + int spacing = image != null && text.length () != 0 ? 3 : 0; + int margin = OS.gcnew_Thickness (0, 0, spacing, 0); + if (margin == 0) error(SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_Margin (imageHandle, margin); + OS.GCHandle_Free (margin); +} + +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if (string.equals (text)) return; + text = string; + int ptr = createDotNetString (text, false); + if (ptr == 0) error(SWT.ERROR_NO_HANDLES); + OS.TextBlock_Text (textHandle, ptr); + OS.GCHandle_Free (ptr); + OS.UIElement_Visibility (textHandle, text.length() == 0 && image != null ? OS.Visibility_Collapsed : OS.Visibility_Visible); + int spacing = image != null && text.length () != 0 ? 3 : 0; + int margin = OS.gcnew_Thickness (0, 0, spacing, 0); + if (margin == 0) error(SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_Margin (imageHandle, margin); + OS.GCHandle_Free (margin); +} +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/FileDialog.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/FileDialog.java new file mode 100644 index 0000000000..a831c774e7 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/FileDialog.java @@ -0,0 +1,316 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; + +/** + * Instances of this class allow the user to navigate + * the file system and select or enter a file name. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>SAVE, OPEN, MULTI</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * Note: Only one of the styles SAVE and OPEN may be specified. + * </p><p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ +public class FileDialog extends Dialog { + String [] filterNames = new String [0]; + String [] filterExtensions = new String [0]; + String [] fileNames = new String [0]; + String filterPath = "", fileName = ""; + +/** + * Constructs a new instance of this class given only its parent. + * + * @param parent a shell which will be the parent of the new instance + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +public FileDialog (Shell parent) { + this (parent, SWT.PRIMARY_MODAL); +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a shell which will be the parent of the new instance + * @param style the style of dialog to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +public FileDialog (Shell parent, int style) { + super (parent, style); + checkSubclass (); +} + +String createJavaString (int ptr) { + int charArray = OS.String_ToCharArray (ptr); + char [] chars = new char[OS.String_Length (ptr)]; + OS.memmove (chars, charArray, chars.length * 2); + return new String (chars); +} + +/** + * Returns the path of the first file that was + * selected in the dialog relative to the filter path, or an + * empty string if no such file has been selected. + * + * @return the relative path of the file + */ +public String getFileName () { + return fileName; +} + +/** + * Returns a (possibly empty) array with the paths of all files + * that were selected in the dialog relative to the filter path. + * + * @return the relative paths of the files + */ +public String [] getFileNames () { + return fileNames; +} + +/** + * Returns the file extensions which the dialog will + * use to filter the files it shows. + * + * @return the file extensions filter + */ +public String [] getFilterExtensions () { + return filterExtensions; +} + +/** + * Returns the names that describe the filter extensions + * which the dialog will use to filter the files it shows. + * + * @return the list of filter names + */ +public String [] getFilterNames () { + return filterNames; +} + +/** + * Returns the directory path that the dialog will use, or an empty + * string if this is not set. File names in this path will appear + * in the dialog, filtered according to the filter extensions. + * + * @return the directory path string + * + * @see #setFilterExtensions + */ +public String getFilterPath () { + return filterPath; +} + +/** + * Makes the dialog visible and brings it to the front + * of the display. + * + * @return a string describing the absolute path of the first selected file, + * or null if the dialog was cancelled or an error occurred + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> + * </ul> + */ +public String open () { + int dialog; + if ((style & SWT.OPEN) != 0) { + dialog = OS.gcnew_OpenFileDialog (); + if ((style & SWT.MULTI) != 0) OS.OpenFileDialog_Multiselect (dialog, true); + } else { + dialog = OS.gcnew_SaveFileDialog (); + } + if (title != null) { + int length = title.length (); + char [] buffer = new char [length + 1]; + title.getChars (0, length, buffer, 0); + int titlePtr = OS.gcnew_String (buffer); + OS.FileDialog_Title (dialog, titlePtr); + OS.GCHandle_Free (titlePtr); + } + + if (fileName != null) { + int length = fileName.length (); + char [] buffer = new char [length + 1]; + fileName.getChars (0, length, buffer, 0); + int fileNamePtr = OS.gcnew_String (buffer); + OS.FileDialog_FileName (dialog, fileNamePtr); + OS.GCHandle_Free (fileNamePtr); + } + + if (filterExtensions != null && filterExtensions.length > 0) { + StringBuffer strFilter = new StringBuffer(); + for (int i=0; i<filterExtensions.length; i++) { + if (i > 0) strFilter.append("|"); + if (filterNames != null && i < filterNames.length) { + strFilter.append(filterNames [i]); + } else { + strFilter.append(filterExtensions [i]); + } + strFilter.append("|"); + strFilter.append(filterExtensions [i]); + } + int length = strFilter.length (); + char [] buffer = new char [length + 1]; + strFilter.getChars (0, length, buffer, 0); + int filterPtr = OS.gcnew_String (buffer); + OS.FileDialog_Filter (dialog, filterPtr); + OS.GCHandle_Free (filterPtr); + } + + if (filterPath != null) { + int length = filterPath.length (); + char [] buffer = new char [length + 1]; + filterPath.getChars (0, length, buffer, 0); + int filterPathPtr = OS.gcnew_String (buffer); + OS.FileDialog_InitialDirectory (dialog, filterPathPtr); + OS.GCHandle_Free (filterPathPtr); + } + + boolean success = OS.CommonDialog_ShowDialog(dialog, parent.shellHandle); + + /* Set the new path, file name and filter */ + String fullPath = null; + if (success) { + int strings = OS.FileDialog_FileNames (dialog); + int length = OS.ICollection_Count (strings); + fileNames = new String [length]; + for (int i = 0; i < length; i++) { + int str = OS.IList_default (strings, i); + int fileInfo = OS.gcnew_FileInfo (str); + int name = OS.FileInfo_Name (fileInfo); + fileNames [i] = createJavaString (name); + if (i == 0) { + int dir = OS.FileInfo_DirectoryName (fileInfo); + filterPath = createJavaString (dir); + OS.GCHandle_Free (dir); + } + OS.GCHandle_Free (name); + OS.GCHandle_Free (fileInfo); + OS.GCHandle_Free (str); + } + OS.GCHandle_Free (strings); + fullPath = filterPath + "\\" + fileNames [0]; + } else { + fileNames = new String [0]; + } + + OS.GCHandle_Free (dialog); + /* Answer the full path or null */ + return fullPath; +} + +/** + * Set the initial filename which the dialog will + * select by default when opened to the argument, + * which may be null. The name will be prefixed with + * the filter path when one is supplied. + * + * @param string the file name + */ +public void setFileName (String string) { + fileName = string; +} + +/** + * Set the file extensions which the dialog will + * use to filter the files it shows to the argument, + * which may be null. + * <p> + * The strings are platform specific. For example, on + * Windows, an extension filter string is typically of + * the form "*.extension", where "*.*" matches all files. + * </p> + * + * @param extensions the file extension filter + * + * @see #setFilterNames to specify the user-friendly + * names corresponding to the extensions + */ +public void setFilterExtensions (String [] extensions) { + filterExtensions = extensions; +} + +/** + * Sets the the names that describe the filter extensions + * which the dialog will use to filter the files it shows + * to the argument, which may be null. + * <p> + * Each name is a user-friendly short description shown for + * its corresponding filter. The <code>names</code> array must + * be the same length as the <code>extensions</code> array. + * </p> + * + * @param names the list of filter names, or null for no filter names + * + * @see #setFilterExtensions + */ +public void setFilterNames (String [] names) { + filterNames = names; +} + +/** + * Sets the directory path that the dialog will use + * to the argument, which may be null. File names in this + * path will appear in the dialog, filtered according + * to the filter extensions. If the string is null, + * then the operating system's default filter path + * will be used. + * <p> + * Note that the path string is platform dependent. + * For convenience, either '/' or '\' can be used + * as a path separator. + * </p> + * + * @param string the directory path + * + * @see #setFilterExtensions + */ +public void setFilterPath (String string) { + filterPath = string; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/FontDialog.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/FontDialog.java new file mode 100644 index 0000000000..b35ff5467e --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/FontDialog.java @@ -0,0 +1,286 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class allow the user to select a font + * from all available fonts in the system. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ +public class FontDialog extends Dialog { + FontData fontData; + RGB rgb; + +/** + * Constructs a new instance of this class given only its parent. + * + * @param parent a shell which will be the parent of the new instance + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +public FontDialog (Shell parent) { + this (parent, SWT.PRIMARY_MODAL); +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a shell which will be the parent of the new instance + * @param style the style of dialog to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +public FontDialog (Shell parent, int style) { + super (parent, style); + checkSubclass (); +} + +/** + * Returns a FontData object describing the font that was + * selected in the dialog, or null if none is available. + * + * @return the FontData for the selected font, or null + * @deprecated use #getFontList () + */ +public FontData getFontData () { + return fontData; +} + +/** + * Returns a FontData set describing the font that was + * selected in the dialog, or null if none is available. + * + * @return the FontData for the selected font, or null + * @since 2.1.1 + */ +public FontData [] getFontList () { + if (fontData == null) return null; + FontData [] result = new FontData [1]; + result [0] = fontData; + return result; +} + +/** + * Returns an RGB describing the color that was selected + * in the dialog, or null if none is available. + * + * @return the RGB value for the selected color, or null + * + * @see PaletteData#getRGBs + * + * @since 2.1 + */ +public RGB getRGB () { + return rgb; +} + +/** + * Makes the dialog visible and brings it to the front + * of the display. + * + * @return a FontData object describing the font that was selected, + * or null if the dialog was cancelled or an error occurred + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> + * </ul> + */ +public FontData open () { +// if (OS.IsWinCE) SWT.error (SWT.ERROR_NOT_IMPLEMENTED); +// +// /* Get the owner HWND for the dialog */ +// int hwndOwner = 0; +// if (parent != null) hwndOwner = parent.handle; +// +// /* Open the dialog */ +// int hHeap = OS.GetProcessHeap (); +// CHOOSEFONT lpcf = new CHOOSEFONT (); +// lpcf.lStructSize = CHOOSEFONT.sizeof; +// lpcf.hwndOwner = hwndOwner; +// lpcf.Flags = OS.CF_SCREENFONTS | OS.CF_EFFECTS; +// int lpLogFont = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, LOGFONT.sizeof); +// if (fontData != null && fontData.data != null) { +// LOGFONT logFont = fontData.data; +// int lfHeight = logFont.lfHeight; +// int hDC = OS.GetDC (0); +// int pixels = -Compatibility.round (fontData.height * OS.GetDeviceCaps(hDC, OS.LOGPIXELSY), 72); +// OS.ReleaseDC (0, hDC); +// logFont.lfHeight = pixels; +// lpcf.Flags |= OS.CF_INITTOLOGFONTSTRUCT; +// OS.MoveMemory (lpLogFont, logFont, LOGFONT.sizeof); +// logFont.lfHeight = lfHeight; +// } +// lpcf.lpLogFont = lpLogFont; +// if (rgb != null) { +// int red = rgb.red & 0xFF; +// int green = (rgb.green << 8) & 0xFF00; +// int blue = (rgb.blue << 16) & 0xFF0000; +// lpcf.rgbColors = red | green | blue; +// } +// +// /* Make the parent shell be temporary modal */ +// Shell oldModal = null; +// Display display = null; +// if ((style & (SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL)) != 0) { +// display = parent.getDisplay (); +// oldModal = display.getModalDialogShell (); +// display.setModalDialogShell (parent); +// } +// +// /* Open the dialog */ +// boolean success = OS.ChooseFont (lpcf); +// +// /* Clear the temporary dialog modal parent */ +// if ((style & (SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL)) != 0) { +// display.setModalDialogShell (oldModal); +// } +// +// /* Compute the result */ +// if (success) { +// LOGFONT logFont = OS.IsUnicode ? (LOGFONT) new LOGFONTW () : new LOGFONTA (); +// OS.MoveMemory (logFont, lpLogFont, LOGFONT.sizeof); +// +// /* +// * This will not work on multiple screens or +// * for printing. Should use DC for the proper device. +// */ +// int hDC = OS.GetDC(0); +// int logPixelsY = OS.GetDeviceCaps(hDC, OS.LOGPIXELSY); +// int pixels = 0; +// if (logFont.lfHeight > 0) { +// /* +// * Feature in Windows. If the lfHeight of the LOGFONT structure +// * is positive, the lfHeight measures the height of the entire +// * cell, including internal leading, in logical units. Since the +// * height of a font in points does not include the internal leading, +// * we must subtract the internal leading, which requires a TEXTMETRIC, +// * which in turn requires font creation. +// */ +// int hFont = OS.CreateFontIndirect(logFont); +// int oldFont = OS.SelectObject(hDC, hFont); +// TEXTMETRIC lptm = OS.IsUnicode ? (TEXTMETRIC) new TEXTMETRICW () : new TEXTMETRICA (); +// OS.GetTextMetrics(hDC, lptm); +// OS.SelectObject(hDC, oldFont); +// OS.DeleteObject(hFont); +// pixels = logFont.lfHeight - lptm.tmInternalLeading; +// } else { +// pixels = -logFont.lfHeight; +// } +// OS.ReleaseDC(0, hDC); +// +// int points = Compatibility.round(pixels * 72, logPixelsY); +// fontData = FontData.win32_new (logFont, points); +// int red = lpcf.rgbColors & 0xFF; +// int green = (lpcf.rgbColors >> 8) & 0xFF; +// int blue = (lpcf.rgbColors >> 16) & 0xFF; +// rgb = new RGB (red, green, blue); +// } +// +// /* Free the OS memory */ +// if (lpLogFont != 0) OS.HeapFree (hHeap, 0, lpLogFont); +// +// /* +// * This code is intentionally commented. On some +// * platforms, the owner window is repainted right +// * away when a dialog window exits. This behavior +// * is currently unspecified. +// */ +//// if (hwndOwner != 0) OS.UpdateWindow (hwndOwner); +// +// if (!success) return null; +// return fontData; + return null; +} + +/** + * Sets a FontData object describing the font to be + * selected by default in the dialog, or null to let + * the platform choose one. + * + * @param fontData the FontData to use initially, or null + * @deprecated use #setFontList (FontData []) + */ +public void setFontData (FontData fontData) { + this.fontData = fontData; +} + +/** + * Sets the set of FontData objects describing the font to + * be selected by default in the dialog, or null to let + * the platform choose one. + * + * @param fontData the set of FontData objects to use initially, or null + * to let the platform select a default when open() is called + * + * @see Font#getFontData + * + * @since 2.1.1 + */ +public void setFontList (FontData [] fontData) { + if (fontData != null && fontData.length > 0) { + this.fontData = fontData [0]; + } else { + this.fontData = null; + } +} + +/** + * Sets the RGB describing the color to be selected by default + * in the dialog, or null to let the platform choose one. + * + * @param rgb the RGB value to use initially, or null to let + * the platform select a default when open() is called + * + * @see PaletteData#getRGBs + * + * @since 2.1 + */ +public void setRGB (RGB rgb) { + this.rgb = rgb; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Group.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Group.java new file mode 100644 index 0000000000..d3c1fdf201 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Group.java @@ -0,0 +1,232 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; + +/** + * Instances of this class provide an etched border + * with an optional title. + * <p> + * Shadow styles are hints and may not be honoured + * by the platform. To create a group with the + * default shadow style for the platform, do not + * specify a shadow style. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>SHADOW_ETCHED_IN, SHADOW_ETCHED_OUT, SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * Note: Only one of the above styles may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ + +public class Group extends Composite { + int parentingHandle; + String text; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#SHADOW_ETCHED_IN + * @see SWT#SHADOW_ETCHED_OUT + * @see SWT#SHADOW_IN + * @see SWT#SHADOW_OUT + * @see SWT#SHADOW_NONE + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Group (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +static int checkStyle (int style) { + style |= SWT.NO_FOCUS; + /* + * Even though it is legal to create this widget + * with scroll bars, they serve no useful purpose + * because they do not automatically scroll the + * widget's client area. The fix is to clear + * the SWT style. + */ + return style & ~(SWT.H_SCROLL | SWT.V_SCROLL); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +int backgroundProperty () { + return OS.Control_BackgroundProperty (); +} + +int clientHandle () { + return parentingHandle; +} + +void createHandle () { + state |= THEME_BACKGROUND; + handle = OS.gcnew_GroupBox (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + parentingHandle = OS.gcnew_Canvas (); + if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.ContentControl_Content (handle, parentingHandle); +} + +public Rectangle computeTrim (int x, int y, int width, int height) { + int topHandle = topHandle (); + int clientHandle = clientHandle(); + if (clientHandle != topHandle) { + double currentWidth = OS.FrameworkElement_Width (topHandle); + double currentHeight = OS.FrameworkElement_Height (topHandle); + OS.FrameworkElement_Width (topHandle, 100); + OS.FrameworkElement_Height (topHandle, 100); + OS.UIElement_UpdateLayout (topHandle); + int w = (int) OS.FrameworkElement_ActualWidth (topHandle); + int h = (int) OS.FrameworkElement_ActualHeight (topHandle); + int clientWidth = (int) OS.FrameworkElement_ActualWidth (clientHandle); + int clientHeight = (int) OS.FrameworkElement_ActualHeight (clientHandle); + int point = OS.gcnew_Point (0, 0); + int result = OS.UIElement_TranslatePoint (clientHandle, point, topHandle); + x -= (int) OS.Point_X (result); + y -= (int) OS.Point_Y (result); + width += (w - clientWidth); + height += (h - clientHeight); + OS.GCHandle_Free (point); + OS.GCHandle_Free (result); + OS.FrameworkElement_Width (topHandle, currentWidth); + OS.FrameworkElement_Height (topHandle, currentHeight); + } + return new Rectangle (x, y, width, height); +} + +int defaultBackground () { + return OS.SystemColors_ControlColor; +} + +String getNameText () { + return getText (); +} + +/** + * Returns the receiver's text, which is the string that the + * is used as the <em>title</em>. If the text has not previously + * been set, returns an empty string. + * + * @return the text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getText () { + checkWidget (); + return text; +} + +boolean mnemonicHit (char key) { + return false; +} + +boolean mnemonicMatch (char key) { + int accessText = OS.HeaderedContentControl_Header (handle); + boolean result = super.mnemonicMatch (accessText, key); + OS.GCHandle_Free (accessText); + return result; +} + +void releaseHandle () { + super.releaseHandle (); + OS.GCHandle_Free (parentingHandle); + parentingHandle = 0; +} + +void setForegroundBrush (int brush) { + if (brush != 0) { + OS.Control_Foreground (handle, brush); + } else { + int property = OS.Control_ForegroundProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + } +} + +/** + * Sets the receiver's text, which is the string that will + * be displayed as the receiver's <em>title</em>, to the argument, + * which may not be null. The string may include the mnemonic character. + * </p> + * Mnemonics are indicated by an '&' that causes the next + * character to be the mnemonic. When the user presses a + * key sequence that matches the mnemonic, focus is assigned + * to the first child of the group. On most platforms, the + * mnemonic appears underlined but may be emphasised in a + * platform specific manner. The mnemonic indicator character + * '&' can be escaped by doubling it in the string, causing + * a single '&' to be displayed. + * </p> + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if (string.equals (text)) return; + text = string; + int ptr = createDotNetString (text, true); + int accessText = OS.gcnew_AccessText (); + if (ptr != 0) OS.AccessText_Text (accessText, ptr); + OS.HeaderedContentControl_Header (handle, accessText); + if (ptr != 0) OS.GCHandle_Free (ptr); + OS.GCHandle_Free (accessText); +} + +int parentingHandle () { + return parentingHandle; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Label.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Label.java new file mode 100644 index 0000000000..9ee422b612 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Label.java @@ -0,0 +1,284 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class represent a non-selectable + * user interface object that displays a string or image. + * When SEPARATOR is specified, displays a single + * vertical or horizontal line. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>SEPARATOR, HORIZONTAL, VERTICAL</dd> + * <dd>SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd> + * <dd>CENTER, LEFT, RIGHT, WRAP</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * Note: Only one of SHADOW_IN, SHADOW_OUT and SHADOW_NONE may be specified. + * SHADOW_NONE is a HINT. Only one of HORIZONTAL and VERTICAL may be specified. + * Only one of CENTER, LEFT and RIGHT may be specified. + * </p><p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ +public class Label extends Control { + String text = ""; + Image image; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#SEPARATOR + * @see SWT#HORIZONTAL + * @see SWT#VERTICAL + * @see SWT#SHADOW_IN + * @see SWT#SHADOW_OUT + * @see SWT#SHADOW_NONE + * @see SWT#CENTER + * @see SWT#LEFT + * @see SWT#RIGHT + * @see SWT#WRAP + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Label (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +static int checkStyle (int style) { + style |= SWT.NO_FOCUS; + if ((style & SWT.SEPARATOR) != 0) { + style = checkBits (style, SWT.VERTICAL, SWT.HORIZONTAL, 0, 0, 0, 0); + return checkBits (style, SWT.SHADOW_OUT, SWT.SHADOW_IN, SWT.SHADOW_NONE, 0, 0, 0); + } + return checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0); +} + +void createHandle () { + state |= THEME_BACKGROUND; + if ((style & SWT.SEPARATOR) != 0) { + handle = OS.gcnew_Separator (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + } else { + handle = OS.gcnew_Label (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + int value = OS.HorizontalAlignment_Left; + if ((style & SWT.CENTER) != 0) value = OS.HorizontalAlignment_Center; + if ((style & SWT.RIGHT) != 0) value = OS.HorizontalAlignment_Right; + OS.Control_HorizontalContentAlignment (handle, value); + } +} + +int defaultBackground () { + return OS.SystemColors_ControlColor; +} + +/** + * Returns a value which describes the position of the + * text or image in the receiver. The value will be one of + * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code> + * unless the receiver is a <code>SEPARATOR</code> label, in + * which case, <code>NONE</code> is returned. + * + * @return the alignment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getAlignment () { + checkWidget (); + if ((style & SWT.SEPARATOR) != 0) return 0; + if ((style & SWT.LEFT) != 0) return SWT.LEFT; + if ((style & SWT.CENTER) != 0) return SWT.CENTER; + if ((style & SWT.RIGHT) != 0) return SWT.RIGHT; + return SWT.LEFT; +} + +/** + * Returns the receiver's image if it has one, or null + * if it does not. + * + * @return the receiver's image + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Image getImage () { + checkWidget (); + return image; +} + +String getNameText () { + return getText (); +} + +/** + * Returns the receiver's text, which will be an empty + * string if it has never been set or if the receiver is + * a <code>SEPARATOR</code> label. + * + * @return the receiver's text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getText () { + checkWidget (); + if ((style & SWT.SEPARATOR) != 0) return ""; + return text; +} + +boolean mnemonicHit (char key) { + //TODO + return false; +} + +boolean mnemonicMatch (char key) { + int accessText = OS.ContentControl_Content (handle); + boolean result = super.mnemonicMatch (accessText, key); + OS.GCHandle_Free (accessText); + return result; +} + +void releaseWidget () { + super.releaseWidget (); + text = null; + image = null; +} + +/** + * Controls how text and images will be displayed in the receiver. + * The argument should be one of <code>LEFT</code>, <code>RIGHT</code> + * or <code>CENTER</code>. If the receiver is a <code>SEPARATOR</code> + * label, the argument is ignored and the alignment is not changed. + * + * @param alignment the new alignment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setAlignment (int alignment) { + checkWidget (); + if ((style & SWT.SEPARATOR) != 0) return; + if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return; + style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER); + style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER); + int value = OS.HorizontalAlignment_Left; + if ((style & SWT.CENTER) != 0) value = OS.HorizontalAlignment_Center; + if ((style & SWT.RIGHT) != 0) value = OS.HorizontalAlignment_Right; + OS.Control_HorizontalContentAlignment (handle, value); +} + +/** + * Sets the receiver's image to the argument, which may be + * null indicating that no image should be displayed. + * + * @param image the image to display on the receiver (may be null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setImage (Image image) { + checkWidget (); + if ((style & SWT.SEPARATOR) != 0) return; + if (image != null && image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + this.image = image; + int imageHandle = OS.gcnew_Image (); + OS.Image_Stretch (imageHandle, OS.Stretch_None); + OS.Image_Source (imageHandle, image != null ? image.handle : 0); + OS.ContentControl_Content (handle, imageHandle); + OS.GCHandle_Free (imageHandle); +} + +/** + * Sets the receiver's text. + * <p> + * This method sets the widget label. The label may include + * the mnemonic character and line delimiters. + * </p> + * <p> + * Mnemonics are indicated by an '&' that causes the next + * character to be the mnemonic. When the user presses a + * key sequence that matches the mnemonic, focus is assigned + * to the control that follows the label. On most platforms, + * the mnemonic appears underlined but may be emphasised in a + * platform specific manner. The mnemonic indicator character + * '&' can be escaped by doubling it in the string, causing + * a single '&' to be displayed. + * </p> + * + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if ((style & SWT.SEPARATOR) != 0) return; + if (string.equals (text)) return; + text = string; + int ptr = createDotNetString (text, true); + int accessText = OS.gcnew_AccessText (); + OS.AccessText_Text (accessText, ptr); + OS.ContentControl_Content (handle, accessText); + OS.GCHandle_Free (ptr); + OS.GCHandle_Free (accessText); +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Link.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Link.java new file mode 100644 index 0000000000..acf09c31f9 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Link.java @@ -0,0 +1,455 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class represent a selectable + * user interface object that displays a text with + * links. + * <p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection</dd> + * </dl> + * <p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + * + * @since 3.1 + */ +public class Link extends Control { + Point [] offsets; + Point selection; + String [] ids; + String text; + private int[] mnemonics; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Link (Composite parent, int style) { + super (parent, style); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is selected, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * <code>widgetSelected</code> is called when the control is selected. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection, typedListener); + addListener (SWT.DefaultSelection, typedListener); +} + +int backgroundProperty () { + return OS.TextBlock_BackgroundProperty (); +} + +void createHandle () { + state |= THEME_BACKGROUND; + handle = OS.gcnew_TextBlock (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); +} + +int defaultBackground () { + return OS.SystemColors_ControlColor; +} + +String getNameText () { + return getText (); +} + +/** + * Returns the receiver's text, which will be an empty + * string if it has never been set. + * + * @return the receiver's text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getText () { + checkWidget (); + return text; +} + +void HandleClick (int sender, int e) { + if (!checkEvent (e)) return; + int source = OS.RoutedEventArgs_Source (e); + int i = OS.FrameworkContentElement_Tag (source); + OS.GCHandle_Free (source); + Event event = new Event (); + event.text = ids [i]; + sendEvent (SWT.Selection, event); +} + +String parse (String string) { + int length = string.length (); + offsets = new Point [length / 4]; + ids = new String [length / 4]; + mnemonics = new int [length / 4 + 1]; + StringBuffer result = new StringBuffer (); + char [] buffer = new char [length]; + string.getChars (0, string.length (), buffer, 0); + int index = 0, state = 0, linkIndex = 0; + int start = 0, tagStart = 0, linkStart = 0, endtagStart = 0, refStart = 0; + while (index < length) { + char c = Character.toLowerCase (buffer [index]); + switch (state) { + case 0: + if (c == '<') { + tagStart = index; + state++; + } + break; + case 1: + if (c == 'a') state++; + break; + case 2: + switch (c) { + case 'h': + state = 7; + break; + case '>': + linkStart = index + 1; + state++; + break; + default: + if (Character.isWhitespace(c)) break; + else state = 13; + } + break; + case 3: + if (c == '<') { + endtagStart = index; + state++; + } + break; + case 4: + state = c == '/' ? state + 1 : 3; + break; + case 5: + state = c == 'a' ? state + 1 : 3; + break; + case 6: + if (c == '>') { + mnemonics [linkIndex] = parseMnemonics (buffer, start, tagStart, result); + int offset = result.length (); + parseMnemonics (buffer, linkStart, endtagStart, result); + offsets [linkIndex] = new Point (offset, result.length () - 1); + if (ids [linkIndex] == null) { + ids [linkIndex] = new String (buffer, linkStart, endtagStart - linkStart); + } + linkIndex++; + start = tagStart = linkStart = endtagStart = refStart = index + 1; + state = 0; + } else { + state = 3; + } + break; + case 7: + state = c == 'r' ? state + 1 : 0; + break; + case 8: + state = c == 'e' ? state + 1 : 0; + break; + case 9: + state = c == 'f' ? state + 1 : 0; + break; + case 10: + state = c == '=' ? state + 1 : 0; + break; + case 11: + if (c == '"') { + state++; + refStart = index + 1; + } else { + state = 0; + } + break; + case 12: + if (c == '"') { + ids[linkIndex] = new String (buffer, refStart, index - refStart); + state = 2; + } + break; + case 13: + if (Character.isWhitespace (c)) { + state = 0; + } else if (c == '='){ + state++; + } + break; + case 14: + state = c == '"' ? state + 1 : 0; + break; + case 15: + if (c == '"') state = 2; + break; + default: + state = 0; + break; + } + index++; + } + if (start < length) { + int tmp = parseMnemonics (buffer, start, tagStart, result); + int mnemonic = parseMnemonics (buffer, linkStart, index, result); + if (mnemonic == -1) mnemonic = tmp; + mnemonics [linkIndex] = mnemonic; + } else { + mnemonics [linkIndex] = -1; + } + if (offsets.length != linkIndex) { + Point [] newOffsets = new Point [linkIndex]; + System.arraycopy (offsets, 0, newOffsets, 0, linkIndex); + offsets = newOffsets; + String [] newIDs = new String [linkIndex]; + System.arraycopy (ids, 0, newIDs, 0, linkIndex); + ids = newIDs; + int [] newMnemonics = new int [linkIndex + 1]; + System.arraycopy (mnemonics, 0, newMnemonics, 0, linkIndex + 1); + mnemonics = newMnemonics; + } + return result.toString (); +} + +int parseMnemonics (char [] buffer, int start, int end, StringBuffer result) { + int mnemonic = -1, index = start; + while (index < end) { + if (buffer [index] == '&') { + if (index + 1 < end && buffer [index + 1] == '&') { + result.append (buffer [index]); + index++; + } else { + mnemonic = result.length(); + } + } else { + result.append (buffer [index]); + } + index++; + } + return mnemonic; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is selected. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection, listener); +} + +void setFont (int font, double size) { + if (font != 0) { + int fontFamily = OS.Typeface_FontFamily( font); + int style = OS.Typeface_Style (font); + int weight = OS.Typeface_Weight (font); + int stretch = OS.Typeface_Stretch (font); + OS.TextBlock_FontFamily (handle, fontFamily); + OS.TextBlock_FontStyle (handle, style); + OS.TextBlock_FontWeight (handle, weight); + OS.TextBlock_FontStretch (handle, stretch); + OS.TextBlock_FontSize (handle, size); + OS.GCHandle_Free (fontFamily); + OS.GCHandle_Free (style); + OS.GCHandle_Free (weight); + OS.GCHandle_Free (stretch); + } else { + int property = OS.TextBlock_FontFamilyProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + property = OS.TextBlock_FontStyleProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + property = OS.TextBlock_FontWeightProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + property = OS.TextBlock_FontStretchProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + property = OS.TextBlock_FontSizeProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + } +} + +void setForegroundBrush (int brush) { +//TODO +} + +/** + * Sets the receiver's text. + * <p> + * The string can contain both regular text and hyperlinks. A hyperlink + * is delimited by an anchor tag, <A> and </A>. Within an + * anchor, a single HREF attribute is supported. When a hyperlink is + * selected, the text field of the selection event contains either the + * text of the hyperlink or the value of its HREF, if one was specified. + * In the rare case of identical hyperlinks within the same string, the + * HREF tag can be used to distinguish between them. The string may + * include the mnemonic character and line delimiters. + * </p> + * + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if (string.equals (text)) return; + text = string; + String parsed = parse (string); + int inlines = OS.TextBlock_Inlines (handle); + OS.InlineCollection_Clear (inlines); + int start = 0, end = parsed.length (); + int offsetIndex = 0; + while (start < end) { + Point point = offsetIndex < offsets.length ? offsets [offsetIndex] : null; + if (point == null) { + String substring = parsed.substring (start, end); + int stringPtr = createDotNetString (substring, false); + if (stringPtr == 0) error(SWT.ERROR_NO_HANDLES); + int run = OS.gcnew_Run (); + if (run == 0) error(SWT.ERROR_NO_HANDLES); + OS.Run_Text (run, stringPtr); + OS.InlineCollection_Add (inlines, run); + OS.GCHandle_Free (stringPtr); + OS.GCHandle_Free (run); + start = end; + } else { + if (start < point.x) { + String substring = parsed.substring (start, point.x); + int stringPtr = createDotNetString (substring, false); + if (stringPtr == 0) error(SWT.ERROR_NO_HANDLES); + int run = OS.gcnew_Run (); + if (run == 0) error(SWT.ERROR_NO_HANDLES); + OS.Run_Text (run, stringPtr); + OS.InlineCollection_Add (inlines, run); + OS.GCHandle_Free (stringPtr); + OS.GCHandle_Free (run); + start = point.x; + } else { + String substring = parsed.substring (point.x, point.y+1); + int stringPtr = createDotNetString (substring, false); + if (stringPtr == 0) error(SWT.ERROR_NO_HANDLES); + int run = OS.gcnew_Run (); + if (run == 0) error(SWT.ERROR_NO_HANDLES); + OS.Run_Text (run, stringPtr); + int hyperlink = OS.gcnew_Hyperlink (run); + OS.FrameworkContentElement_Tag (hyperlink, offsetIndex); + OS.InlineCollection_Add (inlines, hyperlink); + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleClick"); + OS.Hyperlink_Click (hyperlink, handler); + OS.GCHandle_Free (handler); + OS.GCHandle_Free (stringPtr); + OS.GCHandle_Free (run); + OS.GCHandle_Free (hyperlink); + start = point.y+1; + offsetIndex++; + } + } + } + OS.GCHandle_Free (inlines); +} + +int traversalCode (int key, int event) { +// if (offsets.length == 0) return 0; + int bits = super.traversalCode (key, event); +// if (key == OS.Key_Tab && focusIndex < offsets.length - 1) { +// return bits & ~SWT.TRAVERSE_TAB_NEXT; +// } +// if (key == OS.GDK_ISO_Left_Tab && focusIndex > 0) { +// return bits & ~SWT.TRAVERSE_TAB_PREVIOUS; +// } + //TODO + return bits; +} +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/List.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/List.java new file mode 100644 index 0000000000..4c7c20c488 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/List.java @@ -0,0 +1,1162 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class represent a selectable user interface + * object that displays a list of strings and issues notification + * when a string is selected. A list may be single or multi select. + * <p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>SINGLE, MULTI</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection, DefaultSelection</dd> + * </dl> + * <p> + * Note: Only one of SINGLE and MULTI may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ + +public class List extends Scrollable { + boolean ignoreSelection; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#SINGLE + * @see SWT#MULTI + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public List (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +/** + * Adds the argument to the end of the receiver's list. + * + * @param string the new item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #add(String,int) + */ +public void add (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int item = OS.gcnew_ListBoxItem (); + int strPtr = createDotNetString (string, false); + OS.ContentControl_Content (item, strPtr); + OS.GCHandle_Free (strPtr); + int items = OS.ItemsControl_Items (handle); + OS.ItemCollection_Add (items, item); + OS.GCHandle_Free (items); + OS.GCHandle_Free (item); +} + +/** + * Adds the argument to the receiver's list at the given + * zero-relative index. + * <p> + * Note: To add an item at the end of the list, use the + * result of calling <code>getItemCount()</code> as the + * index or use <code>add(String)</code>. + * </p> + * + * @param string the new item + * @param index the index for the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #add(String) + */ +public void add (String string, int index) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if (index < 0 || index > getItemCount ()) error (SWT.ERROR_INVALID_RANGE); + int item = OS.gcnew_ListBoxItem (); + int strPtr = createDotNetString (string, false); + OS.ContentControl_Content (item, strPtr); + OS.GCHandle_Free (strPtr); + int items = OS.ItemsControl_Items (handle); + OS.ItemCollection_Insert (items, index, item); + OS.GCHandle_Free (items); + OS.GCHandle_Free (item); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's selection changes, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * <code>widgetSelected</code> is called when the selection changes. + * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +static int checkStyle (int style) { + return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); +} + +void createHandle () { + handle = OS.gcnew_ListBox (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + OS.Selector_IsSynchronizedWithCurrentItem (handle, true); + if ((style & SWT.MULTI) != 0) OS.ListBox_SelectionMode (handle, OS.SelectionMode_Extended); +} + +/** + * Deselects the items at the given zero-relative indices in the receiver. + * If the item at the given zero-relative index in the receiver + * is selected, it is deselected. If the item at the index + * was not selected, it remains deselected. Indices that are out + * of range and duplicate indices are ignored. + * + * @param indices the array of indices for the items to deselect + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the set of indices is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void deselect (int [] indices) { + checkWidget (); + if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); + if (indices.length == 0) return; + int count = getItemCount (); + int items = OS.ItemsControl_Items (handle); + ignoreSelection = true; + for (int i = 0; i < indices.length; i++) { + int index = indices [i]; + if (0 <= index && index < count) { + int item = OS.ItemCollection_GetItemAt (items, index); + OS.ListBoxItem_IsSelected (item, false); + OS.GCHandle_Free (item); + } + } + ignoreSelection = false; + OS.GCHandle_Free (items); +} + +/** + * Deselects the item at the given zero-relative index in the receiver. + * If the item at the index was already deselected, it remains + * deselected. Indices that are out of range are ignored. + * + * @param index the index of the item to deselect + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void deselect (int index) { + checkWidget (); + if (index == -1) return; + if (0 <= index && index < getItemCount ()) { + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, index); + OS.GCHandle_Free (items); + ignoreSelection = true; + OS.ListBoxItem_IsSelected (item, false); + ignoreSelection = false; + OS.GCHandle_Free (item); + } +} + +/** + * Deselects the items at the given zero-relative indices in the receiver. + * If the item at the given zero-relative index in the receiver + * is selected, it is deselected. If the item at the index + * was not selected, it remains deselected. The range of the + * indices is inclusive. Indices that are out of range are ignored. + * + * @param start the start index of the items to deselect + * @param end the end index of the items to deselect + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void deselect (int start, int end) { + checkWidget (); + if (start > end) return; + int count = getItemCount (); + int items = OS.ItemsControl_Items (handle); + ignoreSelection = true; + for (int i = end; i >= start; i--) { + if (0 <= i && i < count) { + int item = OS.ItemCollection_GetItemAt (items, i); + OS.ListBoxItem_IsSelected (item, false); + OS.GCHandle_Free (item); + } + } + ignoreSelection = false; + OS.GCHandle_Free (items); +} + +/** + * Deselects all selected items in the receiver. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void deselectAll () { + checkWidget (); + OS.ListBox_UnselectAll (handle); +} + +/** + * Returns the zero-relative index of the item which currently + * has the focus in the receiver, or -1 if no item has focus. + * + * @return the index of the selected item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getFocusIndex () { + checkWidget (); + int items = OS.ItemsControl_Items (handle); + int index = OS.ItemCollection_CurrentPosition (items); + OS.GCHandle_Free (items); + return index; +} + +/** + * Returns the item at the given, zero-relative index in the + * receiver. Throws an exception if the index is out of range. + * + * @param index the index of the item to return + * @return the item at the given index + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getItem (int index) { + checkWidget (); + int count = getItemCount (); + if (index < 0 || index >= count) error (SWT.ERROR_INVALID_RANGE); + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, index); + OS.GCHandle_Free (items); + int content = OS.ContentControl_Content (item); + OS.GCHandle_Free (item); + String string = createJavaString (content); + OS.GCHandle_Free (content); + return string; +} + +/** + * Returns the number of items contained in the receiver. + * + * @return the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemCount () { + checkWidget (); + int items = OS.ItemsControl_Items (handle); + int count = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); + return count; +} + +/** + * Returns the height of the area which would be used to + * display <em>one</em> of the items in the list. + * + * @return the height of one item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemHeight () { + checkWidget (); + //FIXME: should not return 0 when there are no items + int result = 0; + if (OS.ItemsControl_HasItems (handle)) { + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, 0); + OS.GCHandle_Free (items); + result = (int) OS.FrameworkElement_ActualHeight (item); + OS.GCHandle_Free (item); + } + return result; +} + +/** + * Returns a (possibly empty) array of <code>String</code>s which + * are the items in the receiver. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the items in the receiver's list + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String [] getItems () { + checkWidget (); + int count = getItemCount (); + String [] result = new String [count]; + for (int i=0; i<count; i++) result [i] = getItem (i); + return result; +} + +/** + * Returns an array of <code>String</code>s that are currently + * selected in the receiver. The order of the items is unspecified. + * An empty array indicates that no items are selected. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its selection, so modifying the array will + * not affect the receiver. + * </p> + * @return an array representing the selection + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String [] getSelection () { + checkWidget (); + int [] indices = getSelectionIndices (); + String [] result = new String [indices.length]; + for (int i=0; i<indices.length; i++) { + result [i] = getItem (indices [i]); + } + return result; +} + +/** + * Returns the number of selected items contained in the receiver. + * + * @return the number of selected items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelectionCount () { + checkWidget (); + int selectedItems = OS.ListBox_SelectedItems (handle); + int result = OS.ICollection_Count (selectedItems); + OS.GCHandle_Free (selectedItems); + return result; +} + +/** + * Returns the zero-relative index of the item which is currently + * selected in the receiver, or -1 if no item is selected. + * + * @return the index of the selected item or -1 + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelectionIndex () { + checkWidget (); + return OS.Selector_SelectedIndex (handle); +} + +/** + * Returns the zero-relative indices of the items which are currently + * selected in the receiver. The order of the indices is unspecified. + * The array is empty if no items are selected. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its selection, so modifying the array will + * not affect the receiver. + * </p> + * @return the array of indices of the selected items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int [] getSelectionIndices () { + checkWidget (); + int items = OS.ItemsControl_Items (handle); + int list = OS.ListBox_SelectedItems (handle); + int enumerator = OS.IList_GetEnumerator (list); + int count = OS.ICollection_Count (list); + int [] indices = new int [count]; + int index = 0; + while (OS.IEnumerator_MoveNext (enumerator)) { + int item = OS.IEnumerator_Current (enumerator); + indices [index++] = OS.ItemCollection_IndexOf (items, item); + OS.GCHandle_Free (item); + } + OS.GCHandle_Free (enumerator); + OS.GCHandle_Free (list); + OS.GCHandle_Free (items); + return indices; +} + +/** + * Returns the zero-relative index of the item which is currently + * at the top of the receiver. This index can change when items are + * scrolled or new items are added or removed. + * + * @return the index of the top item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getTopIndex () { + checkWidget (); + int topIndex = 0; + if (OS.ItemsControl_HasItems (handle)) { + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, 0); + OS.GCHandle_Free (items); + int virtualizingStackPanel = OS.VisualTreeHelper_GetParent (item); + OS.GCHandle_Free (item); + if (virtualizingStackPanel != 0) { + topIndex = (int) OS.VirtualizingStackPanel_VerticalOffset (virtualizingStackPanel); + OS.GCHandle_Free (virtualizingStackPanel); + } + } + return topIndex; +} + +void HandleSelectionChanged (int sender, int e) { + //FIXME: double click should send DefaultSelection + if (!checkEvent (e)) return; + if (!ignoreSelection) postEvent(SWT.Selection); +} + +void hookEvents () { + super.hookEvents (); + int handler = OS.gcnew_SelectionChangedEventHandler (jniRef, "HandleSelectionChanged"); + OS.Selector_SelectionChanged (handle, handler); + OS.GCHandle_Free (handler); +} + +/** + * Gets the index of an item. + * <p> + * The list is searched starting at 0 until an + * item is found that is equal to the search item. + * If no item is found, -1 is returned. Indexing + * is zero based. + * + * @param string the search item + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (String string) { + return indexOf (string, 0); +} + +/** + * Searches the receiver's list starting at the given, + * zero-relative index until an item is found that is equal + * to the argument, and returns the index of that item. If + * no item is found or the starting index is out of range, + * returns -1. + * + * @param string the search item + * @param start the zero-relative index at which to start the search + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (String string, int start) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int count = getItemCount (); + if (start >= count) return -1; + start = Math.max (start, 0); + int strPtr = createDotNetString (string, false); + int items = OS.ItemsControl_Items (handle); + int index = -1; + while (start < count && index == -1) { + int item = OS.ItemCollection_GetItemAt (items, start); + int content = OS.ContentControl_Content (item); + OS.GCHandle_Free (item); + if (content != 0) { + if (OS.Object_Equals (content, strPtr)) index = start; + OS.GCHandle_Free (content); + } + start++; + } + OS.GCHandle_Free (strPtr); + OS.GCHandle_Free (items); + return index; +} + +/** + * Returns <code>true</code> if the item is selected, + * and <code>false</code> otherwise. Indices out of + * range are ignored. + * + * @param index the index of the item + * @return the visibility state of the item at the index + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean isSelected (int index) { + checkWidget (); + boolean selected = false; + if (index >= 0 && index < getItemCount ()) { + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, index); + selected = OS.ListBoxItem_IsSelected (item); + OS.GCHandle_Free (items); + OS.GCHandle_Free (item); + } + return selected; +} + +/** + * Removes the items from the receiver at the given + * zero-relative indices. + * + * @param indices the array of indices of the items + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * <li>ERROR_NULL_ARGUMENT - if the indices array is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (int [] indices) { + checkWidget (); + if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); + if (indices.length == 0) return; + int [] newIndices = new int [indices.length]; + System.arraycopy (indices, 0, newIndices, 0, indices.length); + sort (newIndices); + int start = newIndices [newIndices.length - 1], end = newIndices [0]; + int count = getItemCount (); + if (!(0 <= start && start <= end && end < count)) { + error (SWT.ERROR_INVALID_RANGE); + } + int items = OS.ItemsControl_Items (handle); + for (int i = newIndices.length-1; i >= 0; i--) { + OS.ItemCollection_RemoveAt (items, indices [i]); + } + OS.GCHandle_Free (items); +} + +/** + * Removes the item from the receiver at the given + * zero-relative index. + * + * @param index the index for the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (int index) { + checkWidget (); + if (index < 0 || index >= getItemCount ()) error (SWT.ERROR_INVALID_RANGE); + int items = OS.ItemsControl_Items (handle); + OS.ItemCollection_RemoveAt (items, index); + OS.GCHandle_Free (items); +} + +/** + * Removes the items from the receiver which are + * between the given zero-relative start and end + * indices (inclusive). + * + * @param start the start of the range + * @param end the end of the range + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (int start, int end) { + checkWidget (); + if (start > end) return; + int count = getItemCount (); + if (!(0 <= start && start <= end && end < count)) error (SWT.ERROR_INVALID_RANGE); + if (start == 0 && end == count - 1) { + removeAll (); + return; + } + int items = OS.ItemsControl_Items (handle); + for (int i = end; i >= start; i--) { + OS.ItemCollection_RemoveAt (items, i); + } + OS.GCHandle_Free (items); +} + +/** + * Searches the receiver's list starting at the first item + * until an item is found that is equal to the argument, + * and removes that item from the list. + * + * @param string the item to remove + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the string is not found in the list</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int index = indexOf (string, 0); + if (index == -1) error (SWT.ERROR_INVALID_ARGUMENT); + remove (index); +} + +/** + * Removes all of the items from the receiver. + * <p> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void removeAll () { + checkWidget (); + int items = OS.ItemsControl_Items (handle); + OS.ItemCollection_Clear (items); + OS.GCHandle_Free (items); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's selection changes. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Selects the items at the given zero-relative indices in the receiver. + * The current selection is not cleared before the new items are selected. + * <p> + * If the item at a given index is not selected, it is selected. + * If the item at a given index was already selected, it remains selected. + * Indices that are out of range and duplicate indices are ignored. + * If the receiver is single-select and multiple indices are specified, + * then all indices are ignored. + * + * @param indices the array of indices for the items to select + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see List#setSelection(int[]) + */ +public void select (int [] indices) { + checkWidget (); + if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); + int length = indices.length; + if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; + select (indices, false); +} + +void select (int [] indices, boolean scroll) { + int i = 0; + while (i < indices.length) { + int index = indices [i]; + if (index != -1) { + select (index, false); + } + i++; + } + if (scroll) showSelection (); +} + +/** + * Selects the item at the given zero-relative index in the receiver's + * list. If the item at the index was already selected, it remains + * selected. Indices that are out of range are ignored. + * + * @param index the index of the item to select + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void select (int index) { + checkWidget (); + select (index, false); +} + +void select (int index, boolean scroll) { + if (index < 0) return; + int count = getItemCount (); + if (index >= count) return; + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, index); + OS.GCHandle_Free (items); + ignoreSelection = true; + OS.ListBoxItem_IsSelected (item, true); + ignoreSelection = false; + if (scroll) OS.FrameworkElement_BringIntoView (item); + OS.GCHandle_Free (item); +} + +/** + * Selects the items in the range specified by the given zero-relative + * indices in the receiver. The range of indices is inclusive. + * The current selection is not cleared before the new items are selected. + * <p> + * If an item in the given range is not selected, it is selected. + * If an item in the given range was already selected, it remains selected. + * Indices that are out of range are ignored and no items will be selected + * if start is greater than end. + * If the receiver is single-select and there is more than one item in the + * given range, then all indices are ignored. + * + * @param start the start of the range + * @param end the end of the range + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see List#setSelection(int,int) + */ +public void select (int start, int end) { + checkWidget (); + if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) return; + int count = getItemCount (); + if (count == 0 || start >= count) return; + start = Math.max (0, start); + end = Math.min (end, count - 1); + ignoreSelection = true; + if ((style & SWT.SINGLE) != 0) { + select (start, false); + } else { + select (start, end, false); + } + ignoreSelection = false; +} + +void select (int start, int end, boolean scroll) { + int items = OS.ItemsControl_Items (handle); + ignoreSelection = true; + for (int i = start; i<=end; i++) { + int item = OS.ItemCollection_GetItemAt (items, i); + OS.ListBoxItem_IsSelected (item, true); + OS.GCHandle_Free (item); + } + ignoreSelection = false; + OS.GCHandle_Free (items); + if (scroll) showSelection (); +} + +/** + * Selects all of the items in the receiver. + * <p> + * If the receiver is single-select, do nothing. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void selectAll () { + checkWidget (); + if ((style & SWT.SINGLE) != 0) return; + ignoreSelection = true; + OS.ListBox_SelectAll (handle); + ignoreSelection = false; +} + +/** + * Sets the text of the item in the receiver's list at the given + * zero-relative index to the string argument. This is equivalent + * to <code>remove</code>'ing the old item at the index, and then + * <code>add</code>'ing the new item at that index. + * + * @param index the index for the item + * @param string the new text for the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setItem (int index, String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int topIndex = getTopIndex (); + boolean isSelected = isSelected (index); + remove (index); + add (string, index); + if (isSelected) select (index, false); + setTopIndex (topIndex); +} + +/** + * Sets the receiver's items to be the given array of items. + * + * @param items the array of items + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the items array is null</li> + * <li>ERROR_INVALID_ARGUMENT - if an item in the items array is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setItems (String [] items) { + checkWidget (); + if (items == null) error (SWT.ERROR_NULL_ARGUMENT); + for (int i=0; i<items.length; i++) { + if (items [i] == null) error (SWT.ERROR_INVALID_ARGUMENT); + } + int itemCollection = OS.ItemsControl_Items (handle); + OS.ItemCollection_Clear (itemCollection); + for (int i = 0; i < items.length; i++) { + String string = items [i]; + int item = OS.gcnew_ListBoxItem (); + int strPtr = createDotNetString (string, false); + OS.ContentControl_Content (item, strPtr); + OS.GCHandle_Free (strPtr); + OS.ItemCollection_Add (itemCollection, item); + OS.GCHandle_Free (item); + } + OS.GCHandle_Free (itemCollection); +} + +/** + * Selects the items at the given zero-relative indices in the receiver. + * The current selection is cleared before the new items are selected. + * <p> + * Indices that are out of range and duplicate indices are ignored. + * If the receiver is single-select and multiple indices are specified, + * then all indices are ignored. + * + * @param indices the indices of the items to select + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see List#deselectAll() + * @see List#select(int[]) + */ +public void setSelection (int [] indices) { + checkWidget (); + if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); + deselectAll (); + int length = indices.length; + if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; + select (indices, true); +} + +/** + * Sets the receiver's selection to be the given array of items. + * The current selection is cleared before the new items are selected. + * <p> + * Items that are not in the receiver are ignored. + * If the receiver is single-select and multiple items are specified, + * then all items are ignored. + * + * @param items the array of items + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the array of items is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see List#deselectAll() + * @see List#select(int[]) + * @see List#setSelection(int[]) + */ +public void setSelection (String [] items) { + checkWidget (); + if (items == null) error (SWT.ERROR_NULL_ARGUMENT); + deselectAll (); + int length = items.length; + if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; + for (int i=length-1; i>=0; --i) { + String string = items [i]; + int index = 0; + if (string != null) { + while ((index = indexOf (string, index)) != -1) { + select (index, false); + if ((style & SWT.SINGLE) != 0 && isSelected (index)) { + showSelection (); + return; + } + index++; + } + } + } +} + +/** + * Selects the item at the given zero-relative index in the receiver. + * If the item at the index was already selected, it remains selected. + * The current selection is first cleared, then the new item is selected. + * Indices that are out of range are ignored. + * + * @param index the index of the item to select + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * @see List#deselectAll() + * @see List#select(int) + */ +public void setSelection (int index) { + checkWidget (); + deselectAll (); + select (index, true); +} + +/** + * Selects the items in the range specified by the given zero-relative + * indices in the receiver. The range of indices is inclusive. + * The current selection is cleared before the new items are selected. + * <p> + * Indices that are out of range are ignored and no items will be selected + * if start is greater than end. + * If the receiver is single-select and there is more than one item in the + * given range, then all indices are ignored. + * + * @param start the start index of the items to select + * @param end the end index of the items to select + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see List#deselectAll() + * @see List#select(int,int) + */ +public void setSelection (int start, int end) { + checkWidget (); + deselectAll (); + if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) return; + int count = getItemCount (); + if (count == 0 || start >= count) return; + start = Math.max (0, start); + end = Math.min (end, count - 1); + if ((style & SWT.SINGLE) != 0) { + select (start, true); + } else { + select (start, end, true); + } +} + +/** + * Sets the zero-relative index of the item which is currently + * at the top of the receiver. This index can change when items + * are scrolled or new items are added and removed. + * + * @param index the index of the top item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setTopIndex (int index) { + checkWidget (); + //FIXME: VirtualizingStackPanel.VerticalIndex cannot be set. +} + +/** + * Shows the selection. If the selection is already showing in the receiver, + * this method simply returns. Otherwise, the items are scrolled until + * the selection is visible. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void showSelection () { + //TODO: does this scroll the first selected item into view if + // part of the selection is visible already??? + checkWidget (); + int items = OS.ItemsControl_Items (handle); + int selectedItems = OS.ListBox_SelectedItems (handle); + int enumerator = OS.IList_GetEnumerator (selectedItems); + if (OS.IEnumerator_MoveNext (enumerator)) { + int item = OS.IEnumerator_Current (enumerator); + OS.ListBox_ScrollIntoView (handle, item); + OS.GCHandle_Free (item); + } + OS.GCHandle_Free (enumerator); + OS.GCHandle_Free (selectedItems); + OS.GCHandle_Free (items); +} +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Menu.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Menu.java new file mode 100644 index 0000000000..a6b5460b5e --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Menu.java @@ -0,0 +1,872 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class are user interface objects that contain + * menu items. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>BAR, DROP_DOWN, POP_UP, NO_RADIO_GROUP</dd> + * <dd>LEFT_TO_RIGHT, RIGHT_TO_LEFT</dd> + * <dt><b>Events:</b></dt> + * <dd>Help, Hide, Show </dd> + * </dl> + * <p> + * Note: Only one of BAR, DROP_DOWN and POP_UP may be specified. + * Only one of LEFT_TO_RIGHT or RIGHT_TO_LEFT may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ + +public class Menu extends Widget { + int itemCount; + MenuItem cascade, selected; + MenuItem [] items; + Decorations parent; + +/** + * Constructs a new instance of this class given its parent, + * and sets the style for the instance so that the instance + * will be a popup menu on the given parent's shell. + * + * @param parent a control which will be the parent of the new instance (cannot be null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#POP_UP + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Menu (Control parent) { + this (checkNull (parent).menuShell (), SWT.POP_UP); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Decorations</code>) and a style value + * describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a decorations control which will be the parent of the new instance (cannot be null) + * @param style the style of menu to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#BAR + * @see SWT#DROP_DOWN + * @see SWT#POP_UP + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Menu (Decorations parent, int style) { + this (parent, checkStyle (style), 0); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Menu</code>) and sets the style + * for the instance so that the instance will be a drop-down + * menu on the given parent's parent. + * + * @param parentMenu a menu which will be the parent of the new instance (cannot be null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#DROP_DOWN + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Menu (Menu parentMenu) { + this (checkNull (parentMenu).parent, SWT.DROP_DOWN); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>MenuItem</code>) and sets the style + * for the instance so that the instance will be a drop-down + * menu on the given parent's parent menu. + * + * @param parentItem a menu item which will be the parent of the new instance (cannot be null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#DROP_DOWN + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Menu (MenuItem parentItem) { + this (checkNull (parentItem).parent); +} + +Menu (Decorations parent, int style, int handle) { + super (parent, checkStyle (style)); + this.parent = parent; + this.handle = handle; + createWidget (); +} + +void _setVisible (boolean visible) { + if ((style & (SWT.BAR | SWT.DROP_DOWN)) != 0) return; + OS.ContextMenu_IsOpen (handle, visible); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when help events are generated for the control, + * by sending it one of the messages defined in the + * <code>HelpListener</code> interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see HelpListener + * @see #removeHelpListener + */ +public void addHelpListener (HelpListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Help, typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when menus are hidden or shown, by sending it + * one of the messages defined in the <code>MenuListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see MenuListener + * @see #removeMenuListener + */ +public void addMenuListener (MenuListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Hide,typedListener); + addListener (SWT.Show,typedListener); +} + +static Control checkNull (Control control) { + if (control == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); + return control; +} + +static Menu checkNull (Menu menu) { + if (menu == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); + return menu; +} + +static MenuItem checkNull (MenuItem item) { + if (item == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); + return item; +} + +static int checkStyle (int style) { + return checkBits (style, SWT.POP_UP, SWT.BAR, SWT.DROP_DOWN, 0, 0, 0); +} + +void createHandle () { + int bits = SWT.BAR | SWT.DROP_DOWN | SWT.POP_UP; + switch (style & bits) { + case SWT.BAR: + handle = OS.gcnew_Menu (); + if (handle == 0) SWT.error (SWT.ERROR_NO_HANDLES); + break; + case SWT.POP_UP: + handle = OS.gcnew_ContextMenu (); + if (handle == 0) SWT.error (SWT.ERROR_NO_HANDLES); + OS.ContextMenu_Placement (handle, OS.PlacementMode_MousePoint); + break; + case SWT.DROP_DOWN: + handle = OS.gcnew_CompositeCollection (); + if (handle == 0) SWT.error (SWT.ERROR_NO_HANDLES); + break; + } +} + +void createItem (MenuItem item, int index) { + if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); + item.createWidget (); + if ((style & SWT.DROP_DOWN) != 0) { + OS.CompositeCollection_Insert (handle, index, item.handle); + } else { + int itemCollection = OS.ItemsControl_Items (handle); + OS.ItemCollection_Insert (itemCollection, index, item.handle); + OS.GCHandle_Free (itemCollection); + } + if (itemCount == items.length) { + MenuItem [] newItems = new MenuItem [items.length + 4]; + System.arraycopy (items, 0, newItems, 0, items.length); + items = newItems; + } + System.arraycopy (items, index, items, index+1, items.length-index-1); + items [index] = item; + itemCount++; +} + +void createWidget () { + jniRef = OS.NewGlobalRef (this); + if (jniRef == 0) error (SWT.ERROR_NO_HANDLES); + checkOrientation (parent); + createHandle (); + parent.addMenu (this); + hookEvents (); + itemCount = 0; + items = new MenuItem [4]; +} + +void deregister () { + if ((style & SWT.DROP_DOWN) != 0) return; + display.removeWidget (handle); +} + +void destroyItem (MenuItem item) { + int index = 0; + if ((style & SWT.DROP_DOWN) != 0) { + index = OS.CompositeCollection_IndexOf (handle, item.handle); + OS.CompositeCollection_Remove (handle, item.handle); + } else { + int itemCollection = OS.ItemsControl_Items (handle); + index = OS.ItemCollection_IndexOf (itemCollection, item.handle); + OS.ItemCollection_Remove (itemCollection, item.handle); + } + if (index < itemCount) { + System.arraycopy (items, index+1, items, index, items.length-index-1); + items [items.length-1] = null; + itemCount--; + } +} + +void fixMenus (Decorations newParent) { + MenuItem [] items = getItems (); + for (int i=0; i<items.length; i++) { + items [i].fixMenus (newParent); + } + parent.removeMenu (this); + newParent.addMenu (this); + this.parent = newParent; +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent (or its display if its parent is null), + * unless the receiver is a menu or a shell. In this case, the + * location is relative to the display. + * <p> + * Note that the bounds of a menu or menu item are undefined when + * the menu is not visible. This is because most platforms compute + * the bounds of a menu dynamically just before it is displayed. + * </p> + * + * @return the receiver's bounding rectangle + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +/*public*/ Rectangle getBounds () { + checkWidget (); + if ((style & SWT.DROP_DOWN) != 0) return new Rectangle (0, 0, 0, 0); + if (!OS.UIElement_IsVisible (handle)) return new Rectangle (0, 0, 0, 0); + int point = OS.gcnew_Point (0, 0); + int location = OS.UIElement_TranslatePoint (handle, point, parent.handle); + int x = (int) OS.Point_X (location); + int y = (int) OS.Point_Y (location); + OS.GCHandle_Free (point); + OS.GCHandle_Free (location); + int width = (int) OS.FrameworkElement_ActualWidth (handle); + int height = (int) OS.FrameworkElement_ActualHeight (handle); + return new Rectangle (x, y, width, height); +} + +/** + * Returns the default menu item or null if none has + * been previously set. + * + * @return the default menu item. + * + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public MenuItem getDefaultItem () { + checkWidget (); + return null; +} + +/** + * Returns <code>true</code> if the receiver is enabled, and + * <code>false</code> otherwise. A disabled menu is typically + * not selectable from the user interface and draws with an + * inactive or "grayed" look. + * + * @return the receiver's enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #isEnabled + */ +public boolean getEnabled () { + checkWidget (); + return (state & DISABLED) == 0; +} + +/** + * Returns the item at the given, zero-relative index in the + * receiver. Throws an exception if the index is out of range. + * + * @param index the index of the item to return + * @return the item at the given index + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public MenuItem getItem (int index) { + checkWidget (); + if (index < 0 || index >= itemCount) error(SWT.ERROR_INVALID_RANGE); + return items [index]; +} + +/** + * Returns the number of items contained in the receiver. + * + * @return the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemCount () { + checkWidget (); + return itemCount; +} + +/** + * Returns a (possibly empty) array of <code>MenuItem</code>s which + * are the items in the receiver. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the items in the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public MenuItem [] getItems () { + checkWidget (); + MenuItem [] result = new MenuItem [itemCount]; + System.arraycopy(items, 0, result, 0, itemCount); + return result; +} + +String getNameText () { + String result = ""; + MenuItem [] items = getItems (); + int length = items.length; + if (length > 0) { + for (int i=0; i<length-1; i++) { + result = result + items [i].getNameText() + ", "; + } + result = result + items [length-1].getNameText (); + } + return result; +} + +/** + * Returns the receiver's parent, which must be a <code>Decorations</code>. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Decorations getParent () { + checkWidget (); + return parent; +} + +/** + * Returns the receiver's parent item, which must be a + * <code>MenuItem</code> or null when the receiver is a + * root. + * + * @return the receiver's parent item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public MenuItem getParentItem () { + checkWidget (); + return cascade; +} + +/** + * Returns the receiver's parent item, which must be a + * <code>Menu</code> or null when the receiver is a + * root. + * + * @return the receiver's parent item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Menu getParentMenu () { + checkWidget (); + if (cascade != null) return cascade.parent; + return null; +} + +/** + * Returns the receiver's shell. For all controls other than + * shells, this simply returns the control's nearest ancestor + * shell. Shells return themselves, even if they are children + * of other shells. + * + * @return the receiver's shell + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getParent + */ +public Shell getShell () { + checkWidget (); + return parent.getShell (); +} + +/** + * Returns <code>true</code> if the receiver is visible, and + * <code>false</code> otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, this method + * may still indicate that it is considered visible even though + * it may not actually be showing. + * </p> + * + * @return the receiver's visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getVisible () { + checkWidget (); + if ((style & SWT.BAR) != 0) { + return this == parent.menuShell ().menuBar; + } + if ((style & SWT.POP_UP) != 0) { + Menu [] popups = display.popups; + if (popups == null) return false; + for (int i=0; i<popups.length; i++) { + if (popups [i] == this) return true; + } + } +// Shell shell = getShell (); +// Menu menu = shell.activeMenu; +// while (menu != null && menu != this) { +// menu = menu.getParentMenu (); +// } +// return this == menu; + return OS.UIElement_Visibility (handle) == OS.Visibility_Visible; +} + +void HandleClosed (int sender, int e) { + if (!checkEvent (e)) return; + sendEvent (SWT.Hide); +} + +void HandleOpened (int sender, int e) { + if (!checkEvent (e)) return; + sendEvent (SWT.Show); +} + +void hookEvents() { + super.hookEvents (); + if ((style & SWT.POP_UP) != 0) { + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleClosed"); + OS.ContextMenu_Closed (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleOpened"); + OS.ContextMenu_Opened (handle, handler); + OS.GCHandle_Free (handler); + } +} + +/** + * Searches the receiver's list starting at the first item + * (index 0) until an item is found that is equal to the + * argument, and returns the index of that item. If no item + * is found, returns -1. + * + * @param item the search item + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (MenuItem item) { + checkWidget (); + for (int i = 0; i < itemCount; i++) { + if (items[i] == item) return i; + } + return -1; +} + +/** + * Returns <code>true</code> if the receiver is enabled and all + * of the receiver's ancestors are enabled, and <code>false</code> + * otherwise. A disabled menu is typically not selectable from the + * user interface and draws with an inactive or "grayed" look. + * + * @return the receiver's enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getEnabled + */ +public boolean isEnabled () { + checkWidget (); + Menu parentMenu = getParentMenu (); + if (parentMenu == null) return getEnabled (); + return getEnabled () && parentMenu.isEnabled (); +} + +/** + * Returns <code>true</code> if the receiver is visible and all + * of the receiver's ancestors are visible and <code>false</code> + * otherwise. + * + * @return the receiver's visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getVisible + */ +public boolean isVisible () { + checkWidget (); + return getVisible (); +} + +void register() { + if ((style & SWT.DROP_DOWN) != 0) return; + display.addWidget (handle, this); +} + +void releaseChildren (boolean destroy) { + MenuItem [] items = getItems (); + for (int i=0; i<items.length; i++) { + MenuItem item = items [i]; + if (item != null && !item.isDisposed ()) { + item.release (false); + } + } + super.releaseChildren (destroy); +} + +void releaseHandle () { + super.releaseHandle (); + if (handle != 0) OS.GCHandle_Free (handle); + handle = 0; + parent = null; +} + +void releaseParent () { + super.releaseParent (); + if (cascade != null) cascade.releaseMenu (); + if ((style & SWT.BAR) != 0) { +// display.removeBar (this); + if (this == parent.menuBar) { + parent.setMenuBar (null); + } + } else { + if ((style & SWT.POP_UP) != 0) { + display.removePopup (this); + } + } +} + +void releaseWidget () { + super.releaseWidget (); + if (parent != null) parent.removeMenu (this); + parent = null; + cascade = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the help events are generated for the control. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see HelpListener + * @see #addHelpListener + */ +public void removeHelpListener (HelpListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Help, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the menu events are generated for the control. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see MenuListener + * @see #addMenuListener + */ +public void removeMenuListener (MenuListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Hide, listener); + eventTable.unhook (SWT.Show, listener); +} + +/** + * Sets the default menu item to the argument or removes + * the default emphasis when the argument is <code>null</code>. + * + * @param item the default menu item or null + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the menu item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setDefaultItem (MenuItem item) { + checkWidget (); +} + +/** + * Enables the receiver if the argument is <code>true</code>, + * and disables it otherwise. A disabled menu is typically + * not selectable from the user interface and draws with an + * inactive or "grayed" look. + * + * @param enabled the new enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setEnabled (boolean enabled) { + checkWidget (); + state &= ~DISABLED; + if (!enabled) state |= DISABLED; +} + +/** + * Sets the location of the receiver, which must be a popup, + * to the point specified by the arguments which are relative + * to the display. + * <p> + * Note that this is different from most widgets where the + * location of the widget is relative to the parent. + * </p><p> + * Note that the platform window manager ultimately has control + * over the location of popup menus. + * </p> + * + * @param x the new x coordinate for the receiver + * @param y the new y coordinate for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setLocation (int x, int y) { + checkWidget (); + if ((style & (SWT.BAR | SWT.DROP_DOWN)) != 0) return; + OS.ContextMenu_Placement (handle, OS.PlacementMode_AbsolutePoint); + OS.ContextMenu_HorizontalOffset (handle, x); + OS.ContextMenu_VerticalOffset (handle, y); +} + +/** + * Sets the location of the receiver, which must be a popup, + * to the point specified by the argument which is relative + * to the display. + * <p> + * Note that this is different from most widgets where the + * location of the widget is relative to the parent. + * </p><p> + * Note that the platform window manager ultimately has control + * over the location of popup menus. + * </p> + * + * @param location the new location for the receiver + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.1 + */ +public void setLocation (Point location) { + checkWidget (); + if (location == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); + setLocation (location.x, location.y); +} + +/** + * Marks the receiver as visible if the argument is <code>true</code>, + * and marks it invisible otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, marking + * it visible may not actually cause it to be displayed. + * </p> + * + * @param visible the new visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setVisible (boolean visible) { + checkWidget (); + if ((style & (SWT.BAR | SWT.DROP_DOWN)) != 0) return; + if (visible) { + display.addPopup (this); + } else { + display.removePopup (this); + _setVisible (false); + } +} + + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/MenuItem.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/MenuItem.java new file mode 100644 index 0000000000..e697ce7969 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/MenuItem.java @@ -0,0 +1,727 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class represent a selectable user interface object + * that issues notification when pressed and released. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>CHECK, CASCADE, PUSH, RADIO, SEPARATOR</dd> + * <dt><b>Events:</b></dt> + * <dd>Arm, Help, Selection</dd> + * </dl> + * <p> + * Note: Only one of the styles CHECK, CASCADE, PUSH, RADIO and SEPARATOR + * may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ + +public class MenuItem extends Item { + Menu parent, menu; + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Menu</code>) and a style value + * describing its behavior and appearance. The item is added + * to the end of the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a menu control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#CHECK + * @see SWT#CASCADE + * @see SWT#PUSH + * @see SWT#RADIO + * @see SWT#SEPARATOR + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public MenuItem (Menu parent, int style) { + super (parent, checkStyle (style)); + this.parent = parent; + parent.createItem (this, parent.getItemCount ()); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Menu</code>), a style value + * describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a menu control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * @param index the zero-relative index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#CHECK + * @see SWT#CASCADE + * @see SWT#PUSH + * @see SWT#RADIO + * @see SWT#SEPARATOR + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public MenuItem (Menu parent, int style, int index) { + super (parent, checkStyle (style)); + this.parent = parent; + parent.createItem (this, index); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the arm events are generated for the control, by sending + * it one of the messages defined in the <code>ArmListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ArmListener + * @see #removeArmListener + */ +public void addArmListener (ArmListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Arm, typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the help events are generated for the control, by sending + * it one of the messages defined in the <code>HelpListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see HelpListener + * @see #removeHelpListener + */ +public void addHelpListener (HelpListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Help, typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the menu item is selected, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * When <code>widgetSelected</code> is called, the stateMask field of the event object is valid. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener(listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +static int checkStyle (int style) { + return checkBits (style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.CASCADE, 0); +} + +void createHandle () { + if ((style & SWT.SEPARATOR) != 0) { + handle = OS.gcnew_Separator (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + } else { + handle = OS.gcnew_MenuItem (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + if ((style & (SWT.CHECK | SWT.RADIO)) != 0) OS.MenuItem_IsCheckable (handle, true); + } +} + +void deregister () { + display.removeWidget (handle); +} + +void destroyWidget () { + parent.destroyItem (this); + super.destroyWidget (); +} + +void fixMenus (Decorations newParent) { + if (menu != null) menu.fixMenus (newParent); +} + +/** + * Returns the widget accelerator. An accelerator is the bit-wise + * OR of zero or more modifier masks and a key. Examples: + * <code>SWT.CONTROL | SWT.SHIFT | 'T', SWT.ALT | SWT.F2</code>. + * The default value is zero, indicating that the menu item does + * not have an accelerator. + * + * @return the accelerator or 0 + * + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getAccelerator () { + checkWidget (); + //FIXME + return 0; +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent (or its display if its parent is null). + * + * @return the receiver's bounding rectangle + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +/*public*/ Rectangle getBounds () { + checkWidget (); + if (!OS.UIElement_IsVisible(handle)) return new Rectangle (0, 0, 0, 0); + int point = OS.gcnew_Point (0, 0); + if (point == 0) error(SWT.ERROR_NO_HANDLES); + int location = OS.UIElement_TranslatePoint (handle, point, parent.handle); + int x = (int) OS.Point_X (location); + int y = (int) OS.Point_Y (location); + OS.GCHandle_Free (point); + OS.GCHandle_Free (location); + int width = (int) OS.FrameworkElement_ActualWidth (handle); + int height = (int) OS.FrameworkElement_ActualHeight (handle); + return new Rectangle (x, y, width, height); +} + +/** + * Returns <code>true</code> if the receiver is enabled, and + * <code>false</code> otherwise. A disabled menu item is typically + * not selectable from the user interface and draws with an + * inactive or "grayed" look. + * + * @return the receiver's enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #isEnabled + */ +public boolean getEnabled () { + checkWidget (); + return OS.UIElement_IsEnabled (handle); + +} + +/** + * Returns the receiver's cascade menu if it has one or null + * if it does not. Only <code>CASCADE</code> menu items can have + * a pull down menu. The sequence of key strokes, button presses + * and/or button releases that are used to request a pull down + * menu is platform specific. + * + * @return the receiver's menu + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Menu getMenu () { + checkWidget (); + return menu; +} + +String getNameText () { + if ((style & SWT.SEPARATOR) != 0) return "|"; + return super.getNameText (); +} + +/** + * Returns the receiver's parent, which must be a <code>Menu</code>. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Menu getParent () { + checkWidget (); + return parent; +} + +/** + * Returns <code>true</code> if the receiver is selected, + * and false otherwise. + * <p> + * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, + * it is selected when it is checked. + * + * @return the selection state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getSelection () { + checkWidget (); + if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return false; + return OS.MenuItem_IsChecked (handle); +} + +void HandleClick (int sender, int e) { + if (!checkEvent (e)) return; + if ((style & SWT.RADIO) != 0 && (parent.style & SWT.NO_RADIO_GROUP) == 0) { + if (parent.selected != null) OS.MenuItem_IsChecked (parent.selected.handle, false); + parent.selected = this; + } + postEvent (SWT.Selection); +} + +void HandleSubmenuOpened (int sender, int e) { + if (!checkEvent (e)) return; + if (menu != null) { + menu.sendEvent(SWT.Show); + } +} + +void HandleSubmenuClosed (int sender, int e) { + if (!checkEvent (e)) return; + if (menu != null) { + menu.sendEvent(SWT.Hide); + } +} + +void hookEvents() { + if ((style & SWT.SEPARATOR) != 0) return; + super.hookEvents(); + if ((style & SWT.CASCADE) == 0) { + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleClick"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.MenuItem_Click (handle, handler); + OS.GCHandle_Free (handler); + } else { + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleSubmenuOpened"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.MenuItem_SubmenuOpened (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleSubmenuClosed"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.MenuItem_SubmenuClosed (handle, handler); + OS.GCHandle_Free (handler); + } +} + +/** + * Returns <code>true</code> if the receiver is enabled and all + * of the receiver's ancestors are enabled, and <code>false</code> + * otherwise. A disabled menu item is typically not selectable from the + * user interface and draws with an inactive or "grayed" look. + * + * @return the receiver's enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getEnabled + */ +public boolean isEnabled () { + return getEnabled () && parent.isEnabled (); +} + +void register() { + display.addWidget (handle, this); +} + +void releaseChildren (boolean destroy) { + if (menu != null) { + menu.release (false); + menu = null; + } + super.releaseChildren (destroy); +} + +void releaseHandle () { + super.releaseHandle (); + if (handle != 0) OS.GCHandle_Free (handle); + handle = 0; + parent = null; +} + +void releaseMenu () { + setMenu (null); +} + +void releaseParent () { + super.releaseParent (); + if (menu != null) menu.dispose (); + menu = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the arm events are generated for the control. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ArmListener + * @see #addArmListener + */ +public void removeArmListener (ArmListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Arm, listener); +} +/** + * Removes the listener from the collection of listeners who will + * be notified when the help events are generated for the control. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see HelpListener + * @see #addHelpListener + */ +public void removeHelpListener (HelpListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Help, listener); +} +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is selected. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Sets the widget accelerator. An accelerator is the bit-wise + * OR of zero or more modifier masks and a key. Examples: + * <code>SWT.MOD1 | SWT.MOD2 | 'T', SWT.MOD3 | SWT.F2</code>. + * <code>SWT.CONTROL | SWT.SHIFT | 'T', SWT.ALT | SWT.F2</code>. + * The default value is zero, indicating that the menu item does + * not have an accelerator. + * + * @param accelerator an integer that is the bit-wise OR of masks and a key + * + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setAccelerator (int accelerator) { + checkWidget (); + //FIXME +} + +/** + * Enables the receiver if the argument is <code>true</code>, + * and disables it otherwise. A disabled menu item is typically + * not selectable from the user interface and draws with an + * inactive or "grayed" look. + * + * @param enabled the new enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setEnabled (boolean enabled) { + checkWidget (); + OS.UIElement_IsEnabled (handle, enabled); +} + +/** + * Sets the image the receiver will display to the argument. + * <p> + * Note: This operation is a hint and is not supported on + * platforms that do not have this concept (for example, Windows NT). + * </p> + * + * @param image the image to display + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setImage (Image image) { + checkWidget (); + if ((style & SWT.SEPARATOR) != 0) return; + if (image != null && image.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + this.image = image; + if (image != null) { + int img = OS.gcnew_Image (); + if (img == 0) error(SWT.ERROR_NO_HANDLES); + OS.Image_Source (img, image.handle); + OS.Image_Stretch (img, OS.Stretch_None); + OS.MenuItem_Icon (handle, img); + OS.GCHandle_Free (img); + } else { + OS.MenuItem_Icon (handle, 0); + } +} + +/** + * Sets the receiver's pull down menu to the argument. + * Only <code>CASCADE</code> menu items can have a + * pull down menu. The sequence of key strokes, button presses + * and/or button releases that are used to request a pull down + * menu is platform specific. + * <p> + * Note: Disposing of a menu item that has a pull down menu + * will dispose of the menu. To avoid this behavior, set the + * menu to null before the menu item is disposed. + * </p> + * + * @param menu the new pull down menu + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_MENU_NOT_DROP_DOWN - if the menu is not a drop down menu</li> + * <li>ERROR_MENUITEM_NOT_CASCADE - if the menu item is not a <code>CASCADE</code></li> + * <li>ERROR_INVALID_ARGUMENT - if the menu has been disposed</li> + * <li>ERROR_INVALID_PARENT - if the menu is not in the same widget tree</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMenu (Menu menu) { + checkWidget (); + if ((style & SWT.CASCADE) == 0) error (SWT.ERROR_MENUITEM_NOT_CASCADE); + if (menu != null) { + if (menu.cascade != null) { +// FIXME: Change this error type, or fix the javadoc. + error (SWT.ERROR_INVALID_PARENT); + } + if (menu.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + if ((menu.style & SWT.DROP_DOWN) == 0) { + error (SWT.ERROR_MENU_NOT_DROP_DOWN); + } + if (menu.parent != parent.parent) { + error (SWT.ERROR_INVALID_PARENT); + } + Menu oldMenu = this.menu; + if (oldMenu == menu) return; + if (oldMenu != null) oldMenu.cascade = null; + this.menu = menu; + OS.ItemsControl_ItemsSource (handle, menu.handle); + menu.cascade = this; + } else { + OS.ItemsControl_ItemsSource (handle, 0); + if (this.menu != null) this.menu.cascade = null; + } +} + +/** + * Sets the selection state of the receiver. + * <p> + * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, + * it is selected when it is checked. + * + * @param selected the new selection state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (boolean selected) { + checkWidget (); + if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return; + OS.MenuItem_IsChecked (handle, selected); +} +/** + * Sets the receiver's text. The string may include + * the mnemonic character and accelerator text. + * <p> + * Mnemonics are indicated by an '&' that causes the next + * character to be the mnemonic. When the user presses a + * key sequence that matches the mnemonic, a selection + * event occurs. On most platforms, the mnemonic appears + * underlined but may be emphasised in a platform specific + * manner. The mnemonic indicator character '&' can be + * escaped by doubling it in the string, causing a single + * '&' to be displayed. + * </p> + * <p> + * Accelerator text is indicated by the '\t' character. + * On platforms that support accelerator text, the text + * that follows the '\t' character is displayed to the user, + * typically indicating the key stroke that will cause + * the item to become selected. On most platforms, the + * accelerator text appears right aligned in the menu. + * Setting the accelerator text does not install the + * accelerator key sequence. The accelerator key sequence + * is installed using #setAccelerator. + * </p> + * + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setAccelerator + */ +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if ((style & SWT.SEPARATOR) != 0) return; + if (text.equals (string)) return; + super.setText (string); + String accelString = null; + int index = string.indexOf ('\t'); + if (index != -1) { + accelString = string.substring (index+1, string.length()); + string = string.substring (0, index); + } + int ptr = createDotNetString (string, true); + OS.HeaderedItemsControl_Header (handle, ptr); + OS.GCHandle_Free (ptr); + if (accelString != null) { + ptr = createDotNetString (accelString, false); + OS.MenuItem_InputGestureText (handle, ptr); + OS.GCHandle_Free (ptr); + } +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/MessageBox.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/MessageBox.java new file mode 100644 index 0000000000..c85f734214 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/MessageBox.java @@ -0,0 +1,189 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; + +/** + * Instances of this class are used to inform or warn the user. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>ICON_ERROR, ICON_INFORMATION, ICON_QUESTION, ICON_WARNING, ICON_WORKING</dd> + * <dd>OK, OK | CANCEL</dd> + * <dd>YES | NO, YES | NO | CANCEL</dd> + * <dd>RETRY | CANCEL</dd> + * <dd>ABORT | RETRY | IGNORE</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * Note: Only one of the styles ICON_ERROR, ICON_INFORMATION, ICON_QUESTION, + * ICON_WARNING and ICON_WORKING may be specified. + * </p><p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ +public class MessageBox extends Dialog { + String message = ""; + +/** + * Constructs a new instance of this class given only its parent. + * + * @param parent a shell which will be the parent of the new instance + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +public MessageBox (Shell parent) { + this (parent, SWT.OK | SWT.ICON_INFORMATION | SWT.APPLICATION_MODAL); +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * + * @param parent a shell which will be the parent of the new instance + * @param style the style of dialog to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +public MessageBox (Shell parent, int style) { + super (parent, checkStyle (style)); + checkSubclass (); +} + +static int checkStyle (int style) { + if ((style & (SWT.PRIMARY_MODAL | SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL)) == 0) style |= SWT.APPLICATION_MODAL; + int mask = (SWT.YES | SWT.NO | SWT.OK | SWT.CANCEL | SWT.ABORT | SWT.RETRY | SWT.IGNORE); + int bits = style & mask; + if (bits == SWT.OK || bits == SWT.CANCEL || bits == (SWT.OK | SWT.CANCEL)) return style; + if (bits == SWT.YES || bits == SWT.NO || bits == (SWT.YES | SWT.NO) || bits == (SWT.YES | SWT.NO | SWT.CANCEL)) return style; + if (bits == (SWT.RETRY | SWT.CANCEL) || bits == (SWT.ABORT | SWT.RETRY | SWT.IGNORE)) return style; + style = (style & ~mask) | SWT.OK; + return style; +} + +/** + * Returns the dialog's message, or an empty string if it does not have one. + * The message is a description of the purpose for which the dialog was opened. + * This message will be visible in the dialog while it is open. + * + * @return the message + */ +public String getMessage () { + return message; +} + +/** + * Makes the dialog visible and brings it to the front + * of the display. + * + * @return the ID of the button that was selected to dismiss the + * message box (e.g. SWT.OK, SWT.CANCEL, etc...) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the dialog has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the dialog</li> + * </ul> + */ +public int open () { + + /* Compute the MessageBox style */ + int buttonBits = 0; + if ((style & SWT.OK) == SWT.OK) buttonBits = OS.MessageBoxButton_OK; + if ((style & (SWT.OK | SWT.CANCEL)) == (SWT.OK | SWT.CANCEL)) buttonBits = OS.MessageBoxButton_OKCancel; + if ((style & (SWT.YES | SWT.NO)) == (SWT.YES | SWT.NO)) buttonBits = OS.MessageBoxButton_YesNo; + if ((style & (SWT.YES | SWT.NO | SWT.CANCEL)) == (SWT.YES | SWT.NO | SWT.CANCEL)) buttonBits = OS.MessageBoxButton_YesNoCancel; + /* + * Feature in WPF. MessageBoxButton does not define Retry, Abort, or + * Ignore buttons. The work around is to use OK/Cancel instead and map + * OK to Retry for Retry/Cancel, and Abort for Abort/Retry/Cancel message + * boxes. + */ + if ((style & (SWT.RETRY | SWT.CANCEL)) == (SWT.RETRY | SWT.CANCEL)) buttonBits = OS.MessageBoxButton_OKCancel; + if ((style & (SWT.ABORT | SWT.RETRY | SWT.IGNORE)) == (SWT.ABORT | SWT.RETRY | SWT.IGNORE)) buttonBits = OS.MessageBoxButton_OKCancel; + if (buttonBits == 0) buttonBits = OS.MessageBoxButton_OK; + + int iconBits = 0; + if ((style & SWT.ICON_ERROR) != 0) iconBits = OS.MessageBoxImage_Error; + if ((style & SWT.ICON_INFORMATION) != 0) iconBits = OS.MessageBoxImage_Information; + if ((style & SWT.ICON_QUESTION) != 0) iconBits = OS.MessageBoxImage_Question; + if ((style & SWT.ICON_WARNING) != 0) iconBits = OS.MessageBoxImage_Warning; + if ((style & SWT.ICON_WORKING) != 0) iconBits = OS.MessageBoxImage_Information; + + int length = message.length (); + char [] buffer = new char [length + 1]; + message.getChars (0, length, buffer, 0); + int messagePtr = OS.gcnew_String(buffer); + + length = title.length (); + buffer = new char [length + 1]; + title.getChars (0, length, buffer, 0); + int titlePtr = OS.gcnew_String(buffer); + + int code = OS.MessageBox_Show(messagePtr, titlePtr, buttonBits, iconBits, 0); + + OS.GCHandle_Free (titlePtr); + OS.GCHandle_Free (messagePtr); + + /* Compute and return the result */ + switch (code) { + case OS.MessageBoxResult_No: return SWT.NO; + case OS.MessageBoxResult_OK: + if ((style & (SWT.RETRY | SWT.CANCEL)) == (SWT.RETRY | SWT.CANCEL)) return SWT.RETRY; + if ((style & (SWT.ABORT | SWT.RETRY | SWT.IGNORE)) == (SWT.ABORT | SWT.RETRY | SWT.IGNORE)) return SWT.ABORT; + return SWT.OK; + case OS.MessageBoxResult_Yes: return SWT.YES; + case OS.MessageBoxResult_Cancel: + default: + return SWT.CANCEL; + } +} + +/** + * Sets the dialog's message, which is a description of + * the purpose for which it was opened. This message will be + * visible on the dialog while it is open. + * + * @param string the message + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + */ +public void setMessage (String string) { + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + message = string; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ProgressBar.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ProgressBar.java new file mode 100644 index 0000000000..9cde148df5 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ProgressBar.java @@ -0,0 +1,219 @@ +/******************************************************************************* + * Copyright (c) 2000, 2005 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.internal.wpf.*; + +/** + * Instances of the receiver represent is an unselectable + * user interface object that is used to display progress, + * typically in the form of a bar. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>SMOOTH, HORIZONTAL, VERTICAL, INDETERMINATE</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified. + * </p><p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ +public class ProgressBar extends Control { + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#SMOOTH + * @see SWT#HORIZONTAL + * @see SWT#VERTICAL + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public ProgressBar (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +static int checkStyle (int style) { + style |= SWT.NO_FOCUS; + return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0); +} + +public Point computeSize (int wHint, int hHint, boolean changed) { + checkWidget (); + int border = getBorderWidth (); + int width = border * 2, height = border * 2; + if ((style & SWT.HORIZONTAL) != 0) { + width += OS.SystemParameters_HorizontalScrollBarButtonWidth () * 10; + height += OS.SystemParameters_HorizontalScrollBarHeight (); + } else { + width += OS.SystemParameters_VerticalScrollBarWidth (); + height += OS.SystemParameters_VerticalScrollBarButtonHeight () * 10; + } + if (wHint != SWT.DEFAULT) width = wHint + (border * 2); + if (hHint != SWT.DEFAULT) height = hHint + (border * 2); + return new Point (width, height); +} + +void createHandle () { + handle = OS.gcnew_ProgressBar(); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + if ((style & SWT.VERTICAL) != 0) OS.ProgressBar_Orientation(handle, OS.Orientation_Vertical); + if ((style & SWT.INDETERMINATE) != 0) { + OS.ProgressBar_IsIndeterminate (handle, true) ; +// int duration = OS.gcnew_Duration(); +// int doubleAnimation = OS.gcnew_DoubleAnimation(100.0, duration); +// OS.GCHandle_Free(duration); +// OS.DoubleAnimation_RepeatBehavior(doubleAnimation, OS.RepeatBehavior_Forever); +// FIXME: How to get the Marquee style like Winforms???? +// OS.DoubleAnimation_AutoReverse(doubleAnimation, true); +// OS.UIElement_BeginAnimation(handle, doubleAnimation); +// OS.GCHandle_Free(doubleAnimation); + } +} + +/** + * Returns the maximum value which the receiver will allow. + * + * @return the maximum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getMaximum () { + checkWidget (); + return (int) OS.RangeBase_Maximum (handle); +} + +/** + * Returns the minimum value which the receiver will allow. + * + * @return the minimum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li >ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getMinimum () { + checkWidget (); + return (int) OS.RangeBase_Minimum (handle); +} + +/** + * Returns the single 'selection' that is the receiver's position. + * + * @return the selection + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelection () { + checkWidget (); + return (int) OS.RangeBase_Value(handle); +} + +/** + * Sets the maximum value that the receiver will allow. This new + * value will be ignored if it is not greater than the receiver's current + * minimum value. If the new maximum is applied then the receiver's + * selection value will be adjusted if necessary to fall within its new range. + * + * @param value the new maximum, which must be greater than the current minimum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMaximum (int value) { + checkWidget (); + int minimum = (int) OS.RangeBase_Minimum (handle); + if (0 <= minimum && minimum < value) { + OS.RangeBase_Maximum (handle, value); + } + + //FIXME - If the new maximum is applied then the receiver's + // selection value will be adjusted if necessary to fall within its new range. +} + +/** + * Sets the minimum value that the receiver will allow. This new + * value will be ignored if it is negative or is not less than the receiver's + * current maximum value. If the new minimum is applied then the receiver's + * selection value will be adjusted if necessary to fall within its new range. + * + * @param value the new minimum, which must be nonnegative and less than the current maximum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMinimum (int value) { + checkWidget (); + int maximum = (int) OS.RangeBase_Maximum (handle); + if (0 <= maximum && value < maximum) { + OS.RangeBase_Minimum (handle, value); + } + + //FIXME - If the new minimum is applied then the receiver's + //selection value will be adjusted if necessary to fall within its new range +} + +/** + * Sets the single 'selection' that is the receiver's + * position to the argument which must be greater than or equal + * to zero. + * + * @param value the new selection (must be zero or greater) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (int value) { + checkWidget (); + if (value < 0) return; + OS.RangeBase_Value(handle, value); +} +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Sash.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Sash.java new file mode 100644 index 0000000000..7f28342da3 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Sash.java @@ -0,0 +1,239 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + +import org.eclipse.swt.graphics.Point; +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.events.*; + +/** + * Instances of the receiver represent a selectable user interface object + * that allows the user to drag a rubber banded outline of the sash within + * the parent control. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>HORIZONTAL, VERTICAL, SMOOTH</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection</dd> + * </dl> + * <p> + * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified. + * </p><p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ +public class Sash extends Control { + boolean dragging; + int startX, startY, lastX, lastY; + final static int INCREMENT = 1; + final static int PAGE_INCREMENT = 9; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#HORIZONTAL + * @see SWT#VERTICAL + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Sash (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is selected, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * When <code>widgetSelected</code> is called, the x, y, width, and height fields of the event object are valid. + * If the receiver is being dragged, the event object detail field contains the value <code>SWT.DRAG</code>. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +static int checkStyle (int style) { + return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0); +} + +void createHandle () { + state |= THEME_BACKGROUND; + handle = OS.gcnew_Canvas (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + int newCursor = (style & SWT.VERTICAL)!= 0 ? OS.Cursors_SizeWE () : OS.Cursors_SizeNS (); + OS.FrameworkElement_Cursor (handle, newCursor); + OS.GCHandle_Free (newCursor); +} + +int defaultBackground () { + return OS.SystemColors_ControlColor; +} + +void HandleKeyDown (int sender, int e) { + super.HandleKeyDown (sender, e); + //TODO +} + +void HandleKeyUp (int sender, int e) { + super.HandleKeyUp (sender, e); + //TODO +} + +void HandlePreviewMouseDown (int sender, int e) { + super.HandlePreviewMouseDown (sender, e); + int eventPos = OS.MouseEventArgs_GetPosition (e, handle); + startX = (int) OS.Point_X (eventPos); + startY = (int) OS.Point_Y (eventPos); + OS.GCHandle_Free (eventPos); + Point location = parent.getLocation (this); + int x = location.x; + int y = location.y; + int width = (int) OS.FrameworkElement_ActualWidth (handle); + int height = (int) OS.FrameworkElement_ActualHeight (handle); + lastX = x; + lastY = y; + Event event = new Event (); + event.x = lastX; + event.y = lastY; + event.width = width; + event.height = height; + sendEvent (SWT.Selection, event); + if (event.doit) { + dragging = true; + lastX = event.x; + lastY = event.y; + OS.UIElement_CaptureMouse (handle); + } +} + +void HandlePreviewMouseUp (int sender, int e) { + super.HandlePreviewMouseUp (sender, e); + if (!dragging) return; + OS.UIElement_ReleaseMouseCapture (handle); + dragging = false; + int width = (int) OS.FrameworkElement_ActualWidth (handle); + int height = (int) OS.FrameworkElement_ActualHeight (handle); + Event event = new Event (); + event.x = lastX; + event.y = lastY; + event.width = width; + event.height = height; + sendEvent (SWT.Selection, event); +} + +void HandlePreviewMouseMove (int sender, int e) { + super.HandlePreviewMouseMove (sender, e); + if (!dragging) return; + int eventPos = OS.MouseEventArgs_GetPosition (e, handle); + int eventX = (int) OS.Point_X (eventPos); + int eventY = (int) OS.Point_Y (eventPos); + OS.GCHandle_Free (eventPos); + Point location = parent.getLocation (this); + int x = location.x; + int y = location.y; + int width = (int) OS.FrameworkElement_ActualWidth (handle); + int height = (int) OS.FrameworkElement_ActualHeight (handle); + int parentWidth = (int) OS.FrameworkElement_ActualWidth (parent.handle); + int parentHeight = (int) OS.FrameworkElement_ActualHeight (parent.handle); + int newX = lastX, newY = lastY; + if ((style & SWT.VERTICAL) != 0) { + newX = Math.min (Math.max (0, eventX + x - startX), parentWidth - width); + } else { + newY = Math.min (Math.max (0, eventY + y - startY), parentHeight - height); + } + if (newX == lastX && newY == lastY) return; + Event event = new Event (); + event.x = newX; + event.y = newY; + event.width = width; + event.height = height; + sendEvent (SWT.Selection, event); + if (isDisposed ()) return; + if (event.doit) { + lastX = event.x; + lastY = event.y; + } +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is selected. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +int traversalCode (int key, int event) { + return 0; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Scale.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Scale.java new file mode 100644 index 0000000000..089e4d11bb --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Scale.java @@ -0,0 +1,356 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.events.*; + +/** + * Instances of the receiver represent a selectable user + * interface object that present a range of continuous + * numeric values. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>HORIZONTAL, VERTICAL</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection</dd> + * </dl> + * <p> + * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified. + * </p><p> + * <p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ + +public class Scale extends Control { + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#HORIZONTAL + * @see SWT#VERTICAL + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Scale (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's value changes, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * <code>widgetSelected</code> is called when the control's value changes. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + */ +public void addSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +static int checkStyle (int style) { + return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0); +} + +public Point computeSize (int wHint, int hHint, boolean changed) { + checkWidget (); + int border = getBorderWidth (); + int width = border * 2, height = border * 2; + if ((style & SWT.HORIZONTAL) != 0) { + width += OS.SystemParameters_HorizontalScrollBarButtonWidth () * 10; + height += OS.SystemParameters_HorizontalScrollBarHeight () * 2; + } else { + width += OS.SystemParameters_VerticalScrollBarWidth () * 2; + height += OS.SystemParameters_VerticalScrollBarButtonHeight () * 10; + } + if (wHint != SWT.DEFAULT) width = wHint + (border * 2); + if (hHint != SWT.DEFAULT) height = hHint + (border * 2); + return new Point (width, height); +} + +void createHandle () { + state |= THEME_BACKGROUND; + handle = OS.gcnew_Slider (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + if ((style & SWT.VERTICAL) != 0) OS.Slider_Orientation (handle, OS.Orientation_Vertical); + OS.RangeBase_Maximum (handle, 100); + OS.RangeBase_LargeChange (handle, 10); + OS.RangeBase_SmallChange (handle, 1); + OS.Slider_TickFrequency (handle, 10); + OS.Slider_TickPlacement (handle, OS.TickPlacement_Both); +} + +int defaultBackground () { + return OS.SystemColors_ControlColor; +} + +/** + * Returns the amount that the receiver's value will be + * modified by when the up/down (or right/left) arrows + * are pressed. + * + * @return the increment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getIncrement () { + checkWidget (); + return (int) OS.RangeBase_SmallChange (handle); +} + +/** + * Returns the maximum value which the receiver will allow. + * + * @return the maximum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getMaximum () { + checkWidget (); + return (int) OS.RangeBase_Maximum (handle); +} + +/** + * Returns the minimum value which the receiver will allow. + * + * @return the minimum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getMinimum () { + checkWidget (); + return (int) OS.RangeBase_Minimum (handle); +} + +/** + * Returns the amount that the receiver's value will be + * modified by when the page increment/decrement areas + * are selected. + * + * @return the page increment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getPageIncrement () { + checkWidget (); + return (int) OS.RangeBase_LargeChange(handle); +} + +/** + * Returns the 'selection', which is the receiver's position. + * + * @return the selection + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelection () { + checkWidget (); + return (int) OS.RangeBase_Value (handle); +} + +void HandleValueChanged (int sender, int e) { + if (!checkEvent (e)) return; + postEvent (SWT.Selection); +} + +void hookEvents() { + super.hookEvents (); + int handler = OS.gcnew_RoutedPropertyChangedEventHandler (jniRef, "HandleValueChanged"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.RangeBase_ValueChanged (handle, handler); + OS.GCHandle_Free (handler); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's value changes. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Sets the amount that the receiver's value will be + * modified by when the up/down (or right/left) arrows + * are pressed to the argument, which must be at least + * one. + * + * @param increment the new increment (must be greater than zero) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setIncrement (int increment) { + checkWidget (); + if (increment < 1) return; + int minimum = (int) OS.RangeBase_Minimum(handle); + int maximum = (int) OS.RangeBase_Maximum(handle); + if (increment > maximum - minimum) return; + OS.RangeBase_SmallChange(handle, increment); +} + +/** + * Sets the maximum value that the receiver will allow. This new + * value will be ignored if it is not greater than the receiver's current + * minimum value. If the new maximum is applied then the receiver's + * selection value will be adjusted if necessary to fall within its new range. + * + * @param value the new maximum, which must be greater than the current minimum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMaximum (int value) { + checkWidget (); + int minimum = (int) OS.RangeBase_Minimum (handle); + if (0 <= minimum && minimum < value) OS.RangeBase_Maximum (handle, value); +} + +/** + * Sets the minimum value that the receiver will allow. This new + * value will be ignored if it is negative or is not less than the receiver's + * current maximum value. If the new minimum is applied then the receiver's + * selection value will be adjusted if necessary to fall within its new range. + * + * @param value the new minimum, which must be nonnegative and less than the current maximum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMinimum (int value) { + checkWidget (); + int maximum = (int) OS.RangeBase_Maximum (handle); + if (0 <= value && value < maximum) OS.RangeBase_Minimum (handle, value); +} + +/** + * Sets the amount that the receiver's value will be + * modified by when the page increment/decrement areas + * are selected to the argument, which must be at least + * one. + * + * @param pageIncrement the page increment (must be greater than zero) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setPageIncrement (int pageIncrement) { + checkWidget (); + if (pageIncrement < 1) return; + int minimum = (int) OS.RangeBase_Minimum(handle); + int maximum = (int) OS.RangeBase_Maximum(handle); + if (pageIncrement > maximum - minimum) return; + OS.RangeBase_LargeChange(handle, pageIncrement); + OS.Slider_TickFrequency(handle, pageIncrement); +} + +/** + * Sets the 'selection', which is the receiver's value, + * to the argument which must be greater than or equal to zero. + * + * @param value the new selection (must be zero or greater) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (int value) { + checkWidget (); + OS.RangeBase_Value (handle, value); +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ScrollBar.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ScrollBar.java new file mode 100644 index 0000000000..f39bc6de2d --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ScrollBar.java @@ -0,0 +1,687 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class are selectable user interface + * objects that represent a range of positive, numeric values. + * <p> + * At any given moment, a given scroll bar will have a + * single 'selection' that is considered to be its + * value, which is constrained to be within the range of + * values the scroll bar represents (that is, between its + * <em>minimum</em> and <em>maximum</em> values). + * </p><p> + * Typically, scroll bars will be made up of five areas: + * <ol> + * <li>an arrow button for decrementing the value</li> + * <li>a page decrement area for decrementing the value by a larger amount</li> + * <li>a <em>thumb</em> for modifying the value by mouse dragging</li> + * <li>a page increment area for incrementing the value by a larger amount</li> + * <li>an arrow button for incrementing the value</li> + * </ol> + * Based on their style, scroll bars are either <code>HORIZONTAL</code> + * (which have a left facing button for decrementing the value and a + * right facing button for incrementing it) or <code>VERTICAL</code> + * (which have an upward facing button for decrementing the value + * and a downward facing buttons for incrementing it). + * </p><p> + * On some platforms, the size of the scroll bar's thumb can be + * varied relative to the magnitude of the range of values it + * represents (that is, relative to the difference between its + * maximum and minimum values). Typically, this is used to + * indicate some proportional value such as the ratio of the + * visible area of a document to the total amount of space that + * it would take to display it. SWT supports setting the thumb + * size even if the underlying platform does not, but in this + * case the appearance of the scroll bar will not change. + * </p><p> + * Scroll bars are created by specifying either <code>H_SCROLL</code>, + * <code>V_SCROLL</code> or both when creating a <code>Scrollable</code>. + * They are accessed from the <code>Scrollable</code> using + * <code>getHorizontalBar</code> and <code>getVerticalBar</code>. + * </p><p> + * Note: Scroll bars are not Controls. On some platforms, scroll bars + * that appear as part of some standard controls such as a text or list + * have no operating system resources and are not children of the control. + * For this reason, scroll bars are treated specially. To create a control + * that looks like a scroll bar but has operating system resources, use + * <code>Slider</code>. + * </p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>HORIZONTAL, VERTICAL</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection</dd> + * </dl> + * <p> + * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + * + * @see Slider + * @see Scrollable + * @see Scrollable#getHorizontalBar + * @see Scrollable#getVerticalBar + */ + +public class ScrollBar extends Widget { + Scrollable parent; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#HORIZONTAL + * @see SWT#VERTICAL + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +ScrollBar (Scrollable parent, int style) { + super (parent, checkStyle (style)); + this.parent = parent; + createWidget (); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's value changes, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * When <code>widgetSelected</code> is called, the event object detail field contains one of the following values: + * <code>SWT.NONE</code> - for the end of a drag. + * <code>SWT.DRAG</code>. + * <code>SWT.HOME</code>. + * <code>SWT.END</code>. + * <code>SWT.ARROW_DOWN</code>. + * <code>SWT.ARROW_UP</code>. + * <code>SWT.PAGE_DOWN</code>. + * <code>SWT.PAGE_UP</code>. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget(); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener(listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +static int checkStyle (int style) { + return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0); +} + +void createHandle () { + handle = parent.getScrollBarHandle (style); +} + +void deregister () { + display.removeWidget (handle); +} + +void destroyWidget () { + int topHandle = topHandle (); + int parentHandle = parent.handle; + int children = OS.Panel_Children (parentHandle); + OS.UIElementCollection_Remove (children, topHandle); + releaseHandle (); +} + +/** + * Returns <code>true</code> if the receiver is enabled, and + * <code>false</code> otherwise. A disabled control is typically + * not selectable from the user interface and draws with an + * inactive or "grayed" look. + * + * @return the receiver's enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #isEnabled + */ +public boolean getEnabled () { + checkWidget(); + return OS.UIElement_IsEnabled (topHandle ()); +} + +/** + * Returns the amount that the receiver's value will be + * modified by when the up/down (or right/left) arrows + * are pressed. + * + * @return the increment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getIncrement () { + checkWidget(); + return (int) OS.RangeBase_SmallChange (handle); +} + +/** + * Returns the maximum value which the receiver will allow. + * + * @return the maximum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getMaximum () { + checkWidget(); + int maximum = (int) OS.RangeBase_Maximum (handle); + int viewSize = (int) OS.ScrollBar_ViewportSize (handle); + return maximum + viewSize; +} + +/** + * Returns the minimum value which the receiver will allow. + * + * @return the minimum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getMinimum () { + checkWidget(); + return (int) OS.RangeBase_Minimum (handle); +} + +/** + * Returns the amount that the receiver's value will be + * modified by when the page increment/decrement areas + * are selected. + * + * @return the page increment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getPageIncrement () { + checkWidget(); + return (int) OS.RangeBase_LargeChange (handle); +} + +/** + * Returns the receiver's parent, which must be a Scrollable. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Scrollable getParent () { + checkWidget(); + return parent; +} + +/** + * Returns the single 'selection' that is the receiver's value. + * + * @return the selection + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelection () { + checkWidget(); + return (int) OS.RangeBase_Value (handle); +} + +/** + * Returns a point describing the receiver's size. The + * x coordinate of the result is the width of the receiver. + * The y coordinate of the result is the height of the + * receiver. + * + * @return the receiver's size + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Point getSize () { + checkWidget(); + int topHandle = topHandle (); + int width = (int) OS.FrameworkElement_ActualWidth (topHandle); + int height = (int) OS.FrameworkElement_ActualHeight (topHandle); + return new Point (width, height); +} + +/** + * Returns the size of the receiver's thumb relative to the + * difference between its maximum and minimum values. + * + * @return the thumb value + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ScrollBar + */ +public int getThumb () { + checkWidget(); + return (int) OS.ScrollBar_ViewportSize (handle); +} + +/** + * Returns <code>true</code> if the receiver is visible, and + * <code>false</code> otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, this method + * may still indicate that it is considered visible even though + * it may not actually be showing. + * </p> + * + * @return the receiver's visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getVisible () { + checkWidget(); + return OS.UIElement_Visibility (handle) == OS.Visibility_Visible; +} + +void HandleScroll (int sender, int e) { + if (!checkEvent (e)) return; + Event event = new Event (); + switch (OS.ScrollEventArgs_ScrollEventType (e)) { + case OS.ScrollEventType_EndScroll: return; + case OS.ScrollEventType_ThumbPosition: event.detail = SWT.NONE; break; + case OS.ScrollEventType_ThumbTrack: event.detail = SWT.DRAG; break; + case OS.ScrollEventType_First: event.detail = SWT.HOME; break; + case OS.ScrollEventType_Last: event.detail = SWT.END; break; + case OS.ScrollEventType_LargeIncrement: event.detail = SWT.PAGE_DOWN; break; + case OS.ScrollEventType_LargeDecrement: event.detail = SWT.PAGE_UP; break; + case OS.ScrollEventType_SmallIncrement: event.detail = SWT.ARROW_DOWN; break; + case OS.ScrollEventType_SmallDecrement: event.detail = SWT.ARROW_UP; break; + } + postEvent (SWT.Selection, event); +} + +void hookEvents () { + super.hookEvents (); + int handler = OS.gcnew_ScrollEventHandler (jniRef, "HandleScroll"); + OS.ScrollBar_Scroll (handle, handler); + OS.GCHandle_Free (handler); +} + +/** + * Returns <code>true</code> if the receiver is enabled and all + * of the receiver's ancestors are enabled, and <code>false</code> + * otherwise. A disabled control is typically not selectable from the + * user interface and draws with an inactive or "grayed" look. + * + * @return the receiver's enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getEnabled + */ +public boolean isEnabled () { + checkWidget(); + return getEnabled () && parent.isEnabled (); +} + +/** + * Returns <code>true</code> if the receiver is visible and all + * of the receiver's ancestors are visible and <code>false</code> + * otherwise. + * + * @return the receiver's visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getVisible + */ +public boolean isVisible () { + checkWidget(); + return getVisible () && parent.isVisible (); +} + +void register () { + display.addWidget (handle, this); +} + +void releaseHandle () { + super.releaseHandle (); + if (handle != 0) OS.GCHandle_Free (handle); + handle = 0; + parent = null; +} + +void releaseParent () { + super.releaseParent (); + if (parent.horizontalBar == this) parent.horizontalBar = null; + if (parent.verticalBar == this) parent.verticalBar = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's value changes. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener (SelectionListener listener) { + checkWidget(); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Enables the receiver if the argument is <code>true</code>, + * and disables it otherwise. A disabled control is typically + * not selectable from the user interface and draws with an + * inactive or "grayed" look. + * + * @param enabled the new enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setEnabled (boolean enabled) { + checkWidget(); + OS.UIElement_IsEnabled (topHandle (), enabled); +} + +/** + * Sets the amount that the receiver's value will be + * modified by when the up/down (or right/left) arrows + * are pressed to the argument, which must be at least + * one. + * + * @param value the new increment (must be greater than zero) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setIncrement (int value) { + checkWidget(); + if (value < 1) return; + OS.RangeBase_SmallChange (handle, value); +} + +/** + * Sets the maximum. If this value is negative or less than or + * equal to the minimum, the value is ignored. If necessary, first + * the thumb and then the selection are adjusted to fit within the + * new range. + * + * @param value the new maximum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMaximum (int value) { + checkWidget(); + if (value < 0) return; + int minimum = (int) OS.RangeBase_Minimum (handle); + if (value <= minimum) return; + int viewSize = (int) OS.ScrollBar_ViewportSize (handle); + if (value - minimum < viewSize) { + viewSize = value - minimum; + OS.ScrollBar_ViewportSize (handle, viewSize); + } + OS.RangeBase_Maximum (handle, value - viewSize); +} + +/** + * Sets the minimum value. If this value is negative or greater + * than or equal to the maximum, the value is ignored. If necessary, + * first the thumb and then the selection are adjusted to fit within + * the new range. + * + * @param value the new minimum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMinimum (int value) { + checkWidget(); + if (value < 0) return; + int viewSize = (int) OS.ScrollBar_ViewportSize (handle); + int maximum = (int) OS.RangeBase_Maximum (handle) + viewSize; + if (value >= maximum) return; + if (maximum - value < viewSize) { + viewSize = maximum - value; + OS.RangeBase_Maximum (handle, maximum - viewSize); + OS.ScrollBar_ViewportSize (handle, viewSize); + } + OS.RangeBase_Minimum (handle, value); +} + +/** + * Sets the amount that the receiver's value will be + * modified by when the page increment/decrement areas + * are selected to the argument, which must be at least + * one. + * + * @param value the page increment (must be greater than zero) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setPageIncrement (int value) { + checkWidget(); + if (value < 1) return; + OS.RangeBase_LargeChange (handle, value); +} + +/** + * Sets the single <em>selection</em> that is the receiver's + * value to the argument which must be greater than or equal + * to zero. + * + * @param selection the new selection (must be zero or greater) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (int selection) { + checkWidget(); + OS.RangeBase_Value (handle, selection); +} + +/** + * Sets the size of the receiver's thumb relative to the + * difference between its maximum and minimum values. This new + * value will be ignored if it is less than one, and will be + * clamped if it exceeds the receiver's current range. + * + * @param value the new thumb value, which must be at least one and not + * larger than the size of the current range + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setThumb (int value) { + checkWidget(); + if (value < 1) return; + int minimum = (int) OS.RangeBase_Minimum (handle); + int viewSize = (int) OS.ScrollBar_ViewportSize (handle); + int maximum = (int) OS.RangeBase_Maximum (handle) + viewSize; + value = Math.min (value, maximum - minimum); + OS.RangeBase_Maximum (handle, maximum - value); + OS.ScrollBar_ViewportSize (handle, value); +} + +/** + * Sets the receiver's selection, minimum value, maximum + * value, thumb, increment and page increment all at once. + * <p> + * Note: This is similar to setting the values individually + * using the appropriate methods, but may be implemented in a + * more efficient fashion on some platforms. + * </p> + * + * @param selection the new selection value + * @param minimum the new minimum value + * @param maximum the new maximum value + * @param thumb the new thumb value + * @param increment the new increment value + * @param pageIncrement the new pageIncrement value + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setValues (int selection, int minimum, int maximum, int thumb, int increment, int pageIncrement) { + checkWidget(); + if (minimum < 0) return; + if (maximum < 0) return; + if (thumb < 1) return; + if (increment < 1) return; + if (pageIncrement < 1) return; + thumb = Math.min (thumb, maximum - minimum); + OS.RangeBase_Minimum (handle, minimum); + OS.RangeBase_Maximum (handle, maximum - thumb); + OS.ScrollBar_ViewportSize (handle, thumb); + OS.RangeBase_Value (handle, selection); + OS.RangeBase_LargeChange (handle, pageIncrement); + OS.RangeBase_SmallChange (handle, increment); +} + +/** + * Marks the receiver as visible if the argument is <code>true</code>, + * and marks it invisible otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, marking + * it visible may not actually cause it to be displayed. + * </p> + * + * @param visible the new visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setVisible (boolean visible) { + checkWidget (); + int topHandle = topHandle (); + if ((OS.UIElement_Visibility (topHandle) == OS.Visibility_Visible) == visible) return; + if (visible) { + sendEvent (SWT.Show); + if (isDisposed ()) return; + } + OS.UIElement_Visibility (topHandle, visible ? OS.Visibility_Visible : OS.Visibility_Hidden); + if (isDisposed ()) return; + if (!visible) { + sendEvent (SWT.Hide); + if (isDisposed ()) return; + } +} + +int topHandle () { + return handle; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Scrollable.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Scrollable.java new file mode 100644 index 0000000000..b7d8351114 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Scrollable.java @@ -0,0 +1,270 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * This class is the abstract superclass of all classes which + * represent controls that have standard scroll bars. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>H_SCROLL, V_SCROLL</dd> + * <dt><b>Events:</b> + * <dd>(none)</dd> + * </dl> + * <p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. + * </p> + */ + +public abstract class Scrollable extends Control { + ScrollBar horizontalBar, verticalBar; + int scrolledHandle; + +/** + * Prevents uninitialized instances from being created outside the package. + */ +Scrollable () { +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#H_SCROLL + * @see SWT#V_SCROLL + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Scrollable (Composite parent, int style) { + super (parent, style); +} + +int clientHandle () { + return handle; +} + +/** + * Given a desired <em>client area</em> for the receiver + * (as described by the arguments), returns the bounding + * rectangle which would be required to produce that client + * area. + * <p> + * In other words, it returns a rectangle such that, if the + * receiver's bounds were set to that rectangle, the area + * of the receiver which is capable of displaying data + * (that is, not covered by the "trimmings") would be the + * rectangle described by the arguments (relative to the + * receiver's parent). + * </p> + * + * @param x the desired x coordinate of the client area + * @param y the desired y coordinate of the client area + * @param width the desired width of the client area + * @param height the desired height of the client area + * @return the required bounds to produce the given client area + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getClientArea + */ +public Rectangle computeTrim (int x, int y, int width, int height) { + checkWidget (); + if (verticalBar != null) width += OS.SystemParameters_VerticalScrollBarWidth (); + if (horizontalBar != null) height += OS.SystemParameters_HorizontalScrollBarHeight (); + return new Rectangle (x, y, width, height); +} + +ScrollBar createScrollBar (int type) { + return new ScrollBar (this, type); +} + +void createWidget () { + super.createWidget (); + if ((style & SWT.H_SCROLL) != 0) horizontalBar = createScrollBar (SWT.H_SCROLL); + if ((style & SWT.V_SCROLL) != 0) verticalBar = createScrollBar (SWT.V_SCROLL); +} + +void deregister () { + super.deregister (); + if (scrolledHandle != 0) display.removeWidget (scrolledHandle); +} + +int findScrollViewer (int current, int scrollViewerType) { + int type = OS.Object_GetType (current); + boolean found = OS.Object_Equals (scrollViewerType, type); + OS.GCHandle_Free (type); + if (found) return current; + int childCount = OS.VisualTreeHelper_GetChildrenCount (current); + for (int i = 0; i < childCount; i++) { + int child = OS.VisualTreeHelper_GetChild (current, i); + int result = findScrollViewer (child, scrollViewerType); + if (child != result) OS.GCHandle_Free (child); + if (result != 0) return result; + } + return 0; +} + +/** + * Returns a rectangle which describes the area of the + * receiver which is capable of displaying data (that is, + * not covered by the "trimmings"). + * + * @return the client area + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #computeTrim + */ +public Rectangle getClientArea () { + checkWidget (); + OS.UIElement_UpdateLayout (topHandle ()); + int clientHandle = clientHandle (); + int width = (int) OS.FrameworkElement_ActualWidth (clientHandle); + int height = (int) OS.FrameworkElement_ActualHeight (clientHandle); + return new Rectangle (0, 0, width, height); +} + +/** + * Returns the receiver's horizontal scroll bar if it has + * one, and null if it does not. + * + * @return the horizontal scroll bar (or null) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public ScrollBar getHorizontalBar () { + checkWidget (); + return horizontalBar; +} + +int getScrollBarHandle (int style) { + int scrollbar = 0; + if (scrolledHandle != 0) { + int children = OS.Panel_Children (scrolledHandle); + int enumerator = OS.UIElementCollection_GetEnumerator (children); + int scrollType = OS.ScrollBar_typeid (); + while (OS.IEnumerator_MoveNext (enumerator)) { + int current = OS.IEnumerator_Current (enumerator); + if (OS.Type_IsInstanceOfType (scrollType, current)) { + int orientation = OS.ScrollBar_Orientation (current); + if ((style & SWT.H_SCROLL) != 0 && orientation == OS.Orientation_Horizontal) { + scrollbar = current; + break; + } + if ((style & SWT.V_SCROLL) != 0 && orientation == OS.Orientation_Vertical) { + scrollbar = current; + break; + } + } + OS.GCHandle_Free (current); + } + OS.GCHandle_Free (scrollType); + OS.GCHandle_Free (enumerator); + OS.GCHandle_Free (children); + } else { + if (!OS.FrameworkElement_IsLoaded (handle)) OS.UIElement_UpdateLayout (handle); + int scrollViewerType = OS.ScrollViewer_typeid (); + int scrollViewer = findScrollViewer (handle, scrollViewerType); + int template = OS.Control_Template (scrollViewer); + int part; + if ((style & SWT.H_SCROLL) != 0) { + part = createDotNetString ("PART_HorizontalScrollBar", false); + } else { + part = createDotNetString ("PART_VerticalScrollBar", false); + } + scrollbar = OS.FrameworkTemplate_FindName (template, part, scrollViewer); + OS.GCHandle_Free (part); + OS.GCHandle_Free (template); + OS.GCHandle_Free (scrollViewer); + OS.GCHandle_Free (scrollViewerType); + } + return scrollbar; +} + +/** + * Returns the receiver's vertical scroll bar if it has + * one, and null if it does not. + * + * @return the vertical scroll bar (or null) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public ScrollBar getVerticalBar () { + checkWidget (); + return verticalBar; +} + +void register () { + super.register (); + if (scrolledHandle != 0) display.addWidget (scrolledHandle, this); +} + +void releaseChildren (boolean destroy) { + if (horizontalBar != null) { + horizontalBar.release (false); + horizontalBar = null; + } + if (verticalBar != null) { + verticalBar.release (false); + verticalBar = null; + } + super.releaseChildren (destroy); +} + +void releaseHandle () { + super.releaseHandle (); + if (scrolledHandle != 0) OS.GCHandle_Free (scrolledHandle); + scrolledHandle = 0; +} + +int topHandle () { + return scrolledHandle != 0 ? scrolledHandle : super.topHandle (); +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Shell.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Shell.java new file mode 100644 index 0000000000..41b82c1770 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Shell.java @@ -0,0 +1,1206 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class represent the "windows" + * which the desktop or "window manager" is managing. + * Instances that do not have a parent (that is, they + * are built using the constructor, which takes a + * <code>Display</code> as the argument) are described + * as <em>top level</em> shells. Instances that do have + * a parent are described as <em>secondary</em> or + * <em>dialog</em> shells. + * <p> + * Instances are always displayed in one of the maximized, + * minimized or normal states: + * <ul> + * <li> + * When an instance is marked as <em>maximized</em>, the + * window manager will typically resize it to fill the + * entire visible area of the display, and the instance + * is usually put in a state where it can not be resized + * (even if it has style <code>RESIZE</code>) until it is + * no longer maximized. + * </li><li> + * When an instance is in the <em>normal</em> state (neither + * maximized or minimized), its appearance is controlled by + * the style constants which were specified when it was created + * and the restrictions of the window manager (see below). + * </li><li> + * When an instance has been marked as <em>minimized</em>, + * its contents (client area) will usually not be visible, + * and depending on the window manager, it may be + * "iconified" (that is, replaced on the desktop by a small + * simplified representation of itself), relocated to a + * distinguished area of the screen, or hidden. Combinations + * of these changes are also possible. + * </li> + * </ul> + * </p><p> + * The <em>modality</em> of an instance may be specified using + * style bits. The modality style bits are used to determine + * whether input is blocked for other shells on the display. + * The <code>PRIMARY_MODAL</code> style allows an instance to block + * input to its parent. The <code>APPLICATION_MODAL</code> style + * allows an instance to block input to every other shell in the + * display. The <code>SYSTEM_MODAL</code> style allows an instance + * to block input to all shells, including shells belonging to + * different applications. + * </p><p> + * Note: The styles supported by this class are treated + * as <em>HINT</em>s, since the window manager for the + * desktop on which the instance is visible has ultimate + * control over the appearance and behavior of decorations + * and modality. For example, some window managers only + * support resizable windows and will always assume the + * RESIZE style, even if it is not set. In addition, if a + * modality style is not supported, it is "upgraded" to a + * more restrictive modality style that is supported. For + * example, if <code>PRIMARY_MODAL</code> is not supported, + * it would be upgraded to <code>APPLICATION_MODAL</code>. + * A modality style may also be "downgraded" to a less + * restrictive style. For example, most operating systems + * no longer support <code>SYSTEM_MODAL</code> because + * it can freeze up the desktop, so this is typically + * downgraded to <code>APPLICATION_MODAL</code>. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>BORDER, CLOSE, MIN, MAX, NO_TRIM, RESIZE, TITLE, ON_TOP, TOOL</dd> + * <dd>APPLICATION_MODAL, MODELESS, PRIMARY_MODAL, SYSTEM_MODAL</dd> + * <dt><b>Events:</b></dt> + * <dd>Activate, Close, Deactivate, Deiconify, Iconify</dd> + * </dl> + * Class <code>SWT</code> provides two "convenience constants" + * for the most commonly required style combinations: + * <dl> + * <dt><code>SHELL_TRIM</code></dt> + * <dd> + * the result of combining the constants which are required + * to produce a typical application top level shell: (that + * is, <code>CLOSE | TITLE | MIN | MAX | RESIZE</code>) + * </dd> + * <dt><code>DIALOG_TRIM</code></dt> + * <dd> + * the result of combining the constants which are required + * to produce a typical application dialog shell: (that + * is, <code>TITLE | CLOSE | BORDER</code>) + * </dd> + * </dl> + * </p> + * <p> + * Note: Only one of the styles APPLICATION_MODAL, MODELESS, + * PRIMARY_MODAL and SYSTEM_MODAL may be specified. + * </p><p> + * IMPORTANT: This class is not intended to be subclassed. + * </p> + * + * @see Decorations + * @see SWT + */ +public class Shell extends Decorations { + Region region; + Control lastActive; + boolean closing; + boolean moved, resized, opened; + int oldX, oldY, oldWidth, oldHeight; + +/** + * Constructs a new instance of this class. This is equivalent + * to calling <code>Shell((Display) null)</code>. + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +public Shell () { + this ((Display) null); +} + +/** + * Constructs a new instance of this class given only the style + * value describing its behavior and appearance. This is equivalent + * to calling <code>Shell((Display) null, style)</code>. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param style the style of control to construct + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#BORDER + * @see SWT#CLOSE + * @see SWT#MIN + * @see SWT#MAX + * @see SWT#RESIZE + * @see SWT#TITLE + * @see SWT#NO_TRIM + * @see SWT#SHELL_TRIM + * @see SWT#DIALOG_TRIM + * @see SWT#MODELESS + * @see SWT#PRIMARY_MODAL + * @see SWT#APPLICATION_MODAL + * @see SWT#SYSTEM_MODAL + */ +public Shell (int style) { + this ((Display) null, style); +} + +/** + * Constructs a new instance of this class given only the display + * to create it on. It is created with style <code>SWT.SHELL_TRIM</code>. + * <p> + * Note: Currently, null can be passed in for the display argument. + * This has the effect of creating the shell on the currently active + * display if there is one. If there is no current display, the + * shell is created on a "default" display. <b>Passing in null as + * the display argument is not considered to be good coding style, + * and may not be supported in a future release of SWT.</b> + * </p> + * + * @param display the display to create the shell on + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +public Shell (Display display) { + this (display, SWT.SHELL_TRIM); +} + +/** + * Constructs a new instance of this class given the display + * to create it on and a style value describing its behavior + * and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p><p> + * Note: Currently, null can be passed in for the display argument. + * This has the effect of creating the shell on the currently active + * display if there is one. If there is no current display, the + * shell is created on a "default" display. <b>Passing in null as + * the display argument is not considered to be good coding style, + * and may not be supported in a future release of SWT.</b> + * </p> + * + * @param display the display to create the shell on + * @param style the style of control to construct + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#BORDER + * @see SWT#CLOSE + * @see SWT#MIN + * @see SWT#MAX + * @see SWT#RESIZE + * @see SWT#TITLE + * @see SWT#NO_TRIM + * @see SWT#SHELL_TRIM + * @see SWT#DIALOG_TRIM + * @see SWT#MODELESS + * @see SWT#PRIMARY_MODAL + * @see SWT#APPLICATION_MODAL + * @see SWT#SYSTEM_MODAL + */ +public Shell (Display display, int style) { + this (display, null, style, 0); +} + +Shell (Display display, Shell parent, int style, int handle) { + super (); + checkSubclass (); + if (display == null) display = Display.getCurrent (); + if (display == null) display = Display.getDefault (); + if (!display.isValidThread ()) { + error (SWT.ERROR_THREAD_INVALID_ACCESS); + } + if (parent != null && parent.isDisposed ()) { + error (SWT.ERROR_INVALID_ARGUMENT); + } + this.style = checkStyle (style); + this.parent = parent; + this.display = display; + this.handle = handle; + createWidget (); +} + +/** + * Constructs a new instance of this class given only its + * parent. It is created with style <code>SWT.DIALOG_TRIM</code>. + * <p> + * Note: Currently, null can be passed in for the parent. + * This has the effect of creating the shell on the currently active + * display if there is one. If there is no current display, the + * shell is created on a "default" display. <b>Passing in null as + * the parent is not considered to be good coding style, + * and may not be supported in a future release of SWT.</b> + * </p> + * + * @param parent a shell which will be the parent of the new instance + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the parent is disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +public Shell (Shell parent) { + this (parent, SWT.DIALOG_TRIM); +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p><p> + * Note: Currently, null can be passed in for the parent. + * This has the effect of creating the shell on the currently active + * display if there is one. If there is no current display, the + * shell is created on a "default" display. <b>Passing in null as + * the parent is not considered to be good coding style, + * and may not be supported in a future release of SWT.</b> + * </p> + * + * @param parent a shell which will be the parent of the new instance + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the parent is disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#BORDER + * @see SWT#CLOSE + * @see SWT#MIN + * @see SWT#MAX + * @see SWT#RESIZE + * @see SWT#TITLE + * @see SWT#NO_TRIM + * @see SWT#SHELL_TRIM + * @see SWT#DIALOG_TRIM + * @see SWT#ON_TOP + * @see SWT#TOOL + * @see SWT#MODELESS + * @see SWT#PRIMARY_MODAL + * @see SWT#APPLICATION_MODAL + * @see SWT#SYSTEM_MODAL + */ +public Shell (Shell parent, int style) { + this (parent != null ? parent.display : null, parent, style, 0); +} + +/** + * Invokes platform specific functionality to allocate a new shell. + * <p> + * <b>IMPORTANT:</b> This method is <em>not</em> part of the public + * API for <code>Shell</code>. It is marked public only so that it + * can be shared within the packages provided by SWT. It is not + * available on all platforms, and should never be called from + * application code. + * </p> + * + * @param display the display for the shell + * @param handle the handle for the shell + * @return a new shell object containing the specified display and handle + */ +public static Shell wpf_new (Display display, int handle) { + return new Shell (display, null, SWT.NO_TRIM, handle); +} + +static int checkStyle (int style) { + style = Decorations.checkStyle (style); + int mask = SWT.SYSTEM_MODAL | SWT.APPLICATION_MODAL | SWT.PRIMARY_MODAL; + int bits = style & ~mask; + if ((style & SWT.SYSTEM_MODAL) != 0) return bits | SWT.SYSTEM_MODAL; + if ((style & SWT.APPLICATION_MODAL) != 0) return bits | SWT.APPLICATION_MODAL; + if ((style & SWT.PRIMARY_MODAL) != 0) return bits | SWT.PRIMARY_MODAL; + return bits; +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when operations are performed on the receiver, + * by sending the listener one of the messages defined in the + * <code>ShellListener</code> interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ShellListener + * @see #removeShellListener + */ +public void addShellListener (ShellListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Close,typedListener); + addListener (SWT.Iconify,typedListener); + addListener (SWT.Deiconify,typedListener); + addListener (SWT.Activate, typedListener); + addListener (SWT.Deactivate, typedListener); +} + +void addWidget () { + if (parent != null) { + OS.Window_Owner (shellHandle, ((Shell)parent).shellHandle); + } +} + +void bringToTop () { + OS.Window_Activate (shellHandle); +} + +void checkOpen () { + if (!opened) resized = false; +} + +/** + * Requests that the window manager close the receiver in + * the same way it would be closed when the user clicks on + * the "close box" or performs some other platform specific + * key or mouse combination that indicates the window + * should be removed. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT#Close + * @see #dispose + */ +public void close () { + checkWidget (); + closeWidget (); +} + +void createHandle () { + state |= CANVAS; + shellHandle = OS.gcnew_Window(); + if (shellHandle == 0) error(SWT.ERROR_NO_HANDLES); + + /* + * Feature in WPF. ... + */ + OS.Window_ShowInTaskbar (shellHandle, false); + OS.Window_ResizeMode (shellHandle, OS.ResizeMode_NoResize); + OS.Window_WindowStyle (shellHandle, OS.WindowStyle_None); + OS.FrameworkElement_Width(shellHandle, 0); + OS.FrameworkElement_Height(shellHandle, 0); + OS.Window_Show(shellHandle); + OS.Window_Hide(shellHandle); + Rectangle bounds = display.getBounds(); + OS.FrameworkElement_Width(shellHandle, bounds.width * 5 / 8); + OS.FrameworkElement_Height(shellHandle, bounds.height * 5 / 8); + + int windowStyle = OS.WindowStyle_None, resizeMode = OS.ResizeMode_NoResize; + if ((style & SWT.NO_TRIM) == 0) { + if ((style & SWT.TOOL) != 0) { + windowStyle = OS.WindowStyle_ToolWindow; + } else if ((style & SWT.SHELL_TRIM) != 0) { + windowStyle = OS.WindowStyle_SingleBorderWindow; + } + if ((style & SWT.RESIZE) != 0) { + resizeMode |= OS.ResizeMode_CanResize; + } + } + OS.Window_ShowInTaskbar (shellHandle, parent == null); + OS.Window_ResizeMode (shellHandle, resizeMode); + OS.Window_WindowStyle (shellHandle, windowStyle); + OS.Window_Topmost (shellHandle, (style & SWT.ON_TOP) != 0); + OS.KeyboardNavigation_SetTabNavigation (shellHandle, OS.KeyboardNavigationMode_None); + + boolean scrolled = (style & (SWT.H_SCROLL | SWT.V_SCROLL)) != 0; + createHandle (scrolled, true); + OS.ContentControl_Content (shellHandle, super.topHandle()); +} + +public Rectangle computeTrim (int x, int y, int width, int height) { + checkWidget (); + OS.UIElement_UpdateLayout(shellHandle); + int clientX = (int) OS.Window_Left (shellHandle); + int clientY = (int) OS.Window_Top (shellHandle); + int w = (int) OS.FrameworkElement_ActualWidth (shellHandle); + int h = (int) OS.FrameworkElement_ActualHeight (shellHandle); + int clientWidth = (int) OS.FrameworkElement_ActualWidth (handle); + int clientHeight = (int) OS.FrameworkElement_ActualHeight (handle); + int point = OS.gcnew_Point (clientX, clientY); + int result = OS.Visual_PointFromScreen (shellHandle, point); + OS.GCHandle_Free (point); + clientX = -(int) OS.Point_X (result); + clientY = -(int) OS.Point_Y (result); + OS.GCHandle_Free (result); + x -= clientX; + y -= clientY; + width += (w - clientWidth); + height += (h - clientHeight); + return new Rectangle (x, y, width, height); +} + +void deregister () { + super.deregister (); + display.removeWidget (shellHandle); +} + + +void destroyWidget () { + if (shellHandle != 0 && !closing) OS.Window_Close (shellHandle); + releaseHandle (); + //TODO check leak +} + +public void dispose () { + /* + * This code is intentionally commented. On some + * platforms, the owner window is repainted right + * away when a dialog window exits. This behavior + * is currently unspecified. + */ +// /* +// * Note: It is valid to attempt to dispose a widget +// * more than once. If this happens, fail silently. +// */ +// if (!isValidWidget ()) return; +// if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); +// Display oldDisplay = display; + super.dispose (); + // widget is disposed at this point +// if (oldDisplay != null) oldDisplay.update (); +} + +Control findBackgroundControl () { + return background != -1 || backgroundImage != null ? this : null; +} + +Control findThemeControl () { + return null; +} + +/** + * If the receiver is visible, moves it to the top of the + * drawing order for the display on which it was created + * (so that all other shells on that display, which are not + * the receiver's children will be drawn behind it) and forces + * the window manager to make the shell active. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + * @see Control#moveAbove + * @see Control#setFocus + * @see Control#setVisible + * @see Display#getActiveShell + * @see Decorations#setDefaultButton + * @see Shell#open + * @see Shell#setActive + */ +public void forceActive () { + checkWidget (); + if(!isVisible()) return; +// OS.SetForegroundWindow (handle); + OS.Window_Activate (shellHandle); +} + +public Rectangle getBounds () { + checkWidget (); + int x = (int) OS.Window_Left (shellHandle); + int y = (int) OS.Window_Top (shellHandle); + int width = (int) OS.FrameworkElement_ActualWidth (shellHandle); + int height = (int) OS.FrameworkElement_ActualHeight (shellHandle); + return new Rectangle (x, y, width, height); +} + +/** + * Returns the receiver's input method editor mode. This + * will be the result of bitwise OR'ing together one or + * more of the following constants defined in class + * <code>SWT</code>: + * <code>NONE</code>, <code>ROMAN</code>, <code>DBCS</code>, + * <code>PHONETIC</code>, <code>NATIVE</code>, <code>ALPHA</code>. + * + * @return the IME mode + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT + */ +public int getImeInputMode () { + checkWidget (); + //TODO + return SWT.ROMAN; +} + +public Point getLocation () { + checkWidget (); + int x = (int) OS.Window_Left (shellHandle); + int y = (int) OS.Window_Top (shellHandle); + return new Point (x, y); +} + +/** + * Returns a point describing the minimum receiver's size. The + * x coordinate of the result is the minimum width of the receiver. + * The y coordinate of the result is the minimum height of the + * receiver. + * + * @return the receiver's size + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public Point getMinimumSize () { + checkWidget (); +// int width = Math.max (0, minWidth); +// int trim = SWT.TITLE | SWT.CLOSE | SWT.MIN | SWT.MAX; +// if ((style & SWT.NO_TRIM) == 0 && (style & trim) != 0) { +// width = Math.max (width, OS.GetSystemMetrics (OS.SM_CXMINTRACK)); +// } +// int height = Math.max (0, minHeight); +// if ((style & SWT.NO_TRIM) == 0 && (style & trim) != 0) { +// if ((style & SWT.RESIZE) != 0) { +// height = Math.max (height, OS.GetSystemMetrics (OS.SM_CYMINTRACK)); +// } else { +// RECT rect = new RECT (); +// int bits1 = OS.GetWindowLong (handle, OS.GWL_STYLE); +// int bits2 = OS.GetWindowLong (handle, OS.GWL_EXSTYLE); +// OS.AdjustWindowRectEx (rect, bits1, false, bits2); +// height = Math.max (height, rect.bottom - rect.top); +// } +// } + int width = (int) OS.FrameworkElement_MinWidth (shellHandle); + int height = (int) OS.FrameworkElement_MinHeight (shellHandle); + return new Point (width, height); +} + +/** + * Returns the region that defines the shape of the shell, + * or null if the shell has the default shape. + * + * @return the region that defines the shape of the shell (or null) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + * + */ +public Region getRegion () { + checkWidget (); + return region; +} + +public Shell getShell () { + checkWidget (); + return this; +} + +/** + * Returns an array containing all shells which are + * descendents of the receiver. + * <p> + * @return the dialog shells + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Shell [] getShells () { + checkWidget (); + int count = 0; + Shell [] shells = display.getShells (); + for (int i=0; i<shells.length; i++) { + Control shell = shells [i]; + do { + shell = shell.parent; + } while (shell != null && shell != this); + if (shell == this) count++; + } + int index = 0; + Shell [] result = new Shell [count]; + for (int i=0; i<shells.length; i++) { + Control shell = shells [i]; + do { + shell = shell.parent; + } while (shell != null && shell != this); + if (shell == this) { + result [index++] = shells [i]; + } + } + return result; +} + +Composite findDeferredControl () { + return layoutCount > 0 ? this : null; +} + +public boolean isEnabled () { + checkWidget (); + return getEnabled (); +} + +void hookEvents () { + super.hookEvents (); + int handler = OS.gcnew_CancelEventHandler (jniRef, "HandleClosing"); + OS.Window_Closing (shellHandle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_EventHandler (jniRef, "HandleActivated"); + OS.Window_Activated (shellHandle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_EventHandler (jniRef, "HandleDeactivated"); + OS.Window_Deactivated (shellHandle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_EventHandler (jniRef, "HandleLocationChanged"); + OS.Window_LocationChanged (shellHandle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_SizeChangedEventHandler (jniRef, "HandleSizeChanged"); + OS.FrameworkElement_SizeChanged (shellHandle, handler); + OS.GCHandle_Free (handler); +} + +void HandleActivated (int sender, int e) { + if (!checkEvent (e)) return; + sendEvent (SWT.Activate); + if (isDisposed ()) return; + if (!restoreFocus () && !traverseGroup (true)) setFocus (); +} + +void HandleClosing (int sender, int e) { + if (!checkEvent (e)) return; + closing = true; + boolean doit = false; + if (isEnabled () && isActive ()) { + Event event = new Event (); + sendEvent (SWT.Close, event); + doit = event.doit || isDisposed (); + } + if (doit) { + if (!isDisposed ()) release (false); + } else { + OS.CancelEventArgs_Cancel (e, true); + } + closing = false; +} + +void HandleDeactivated (int sender, int e) { + if (!checkEvent (e)) return; + sendEvent (SWT.Deactivate); + if (isDisposed ()) return; + saveFocus (); +} + +void HandleLocationChanged (int sender, int e) { + if (!checkEvent (e)) return; + int x = (int) OS.Window_Left (shellHandle); + int y = (int) OS.Window_Top (shellHandle); + if (!moved || oldX != x || oldY != y) { + moved = true; + oldX = x; + oldY = y; + sendEvent (SWT.Move); + // widget could be disposed at this point + } +} + +void HandleSizeChanged (int sender, int e) { + if (!checkEvent (e)) return; + int width = (int) OS.FrameworkElement_ActualWidth (shellHandle); + int height = (int) OS.FrameworkElement_ActualHeight (shellHandle); + if (oldWidth != width || oldHeight != height) { + resized = true; + oldWidth = width; + oldHeight = height; + sendEvent (SWT.Resize); + if (isDisposed ()) return; + if (layout != null) { + markLayout (false, false); + updateLayout (false, false); + } + } +} + +/** + * Moves the receiver to the top of the drawing order for + * the display on which it was created (so that all other + * shells on that display, which are not the receiver's + * children will be drawn behind it), marks it visible, + * sets the focus and asks the window manager to make the + * shell active. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Control#moveAbove + * @see Control#setFocus + * @see Control#setVisible + * @see Display#getActiveShell + * @see Decorations#setDefaultButton + * @see Shell#setActive + * @see Shell#forceActive + */ +public void open () { + checkWidget (); + bringToTop (); + if (isDisposed ()) return; + setVisible (true); + if (isDisposed ()) return; +// if (!restoreFocus () && !traverseGroup (true)) setFocus (); +} + +void register () { + super.register (); + display.addWidget (shellHandle, this); +} + +void releaseChildren (boolean destroy) { + Shell [] shells = getShells (); + for (int i=0; i<shells.length; i++) { + Shell shell = shells [i]; + if (shell != null && !shell.isDisposed ()) { + shell.release (false); + } + } + super.releaseChildren (destroy); +} + +void releaseHandle () { + super.releaseHandle (); + if (shellHandle != 0) OS.GCHandle_Free (shellHandle); + shellHandle = 0; +} + +void releaseParent () { + /* Do nothing */ +} + +void releaseWidget () { + super.releaseWidget (); +// display.clearModal (this); + region = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when operations are performed on the receiver. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ShellListener + * @see #addShellListener + */ +public void removeShellListener (ShellListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Close, listener); + eventTable.unhook (SWT.Iconify,listener); + eventTable.unhook (SWT.Deiconify,listener); + eventTable.unhook (SWT.Activate, listener); + eventTable.unhook (SWT.Deactivate, listener); +} + +/** + * If the receiver is visible, moves it to the top of the + * drawing order for the display on which it was created + * (so that all other shells on that display, which are not + * the receiver's children will be drawn behind it) and asks + * the window manager to make the shell active + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + * @see Control#moveAbove + * @see Control#setFocus + * @see Control#setVisible + * @see Display#getActiveShell + * @see Decorations#setDefaultButton + * @see Shell#open + * @see Shell#setActive + */ +public void setActive () { + checkWidget (); + if(!isVisible()) return; + bringToTop (); + // widget could be disposed at this point +} + +void setActiveControl (Control control) { + if (control != null && control.isDisposed ()) control = null; + if (lastActive != null && lastActive.isDisposed ()) lastActive = null; + if (lastActive == control) return; + + /* + * Compute the list of controls to be activated and + * deactivated by finding the first common parent + * control. + */ + Control [] activate = (control == null) ? new Control [0] : control.getPath (); + Control [] deactivate = (lastActive == null) ? new Control [0] : lastActive.getPath (); + lastActive = control; + int index = 0, length = Math.min (activate.length, deactivate.length); + while (index < length) { + if (activate [index] != deactivate [index]) break; + index++; + } + + /* + * It is possible (but unlikely), that application + * code could have destroyed some of the widgets. If + * this happens, keep processing those widgets that + * are not disposed. + */ + for (int i=deactivate.length-1; i>=index; --i) { + if (!deactivate [i].isDisposed ()) { + deactivate [i].sendEvent (SWT.Deactivate); + } + } + for (int i=activate.length-1; i>=index; --i) { + if (!activate [i].isDisposed ()) { + activate [i].sendEvent (SWT.Activate); + } + } +} + +int setBounds (int x, int y, int width, int height, int flags) { + int result = 0; + if ((flags & MOVED) != 0) { + int currentX = (int) OS.Window_Left (shellHandle); + int currentY = (int) OS.Window_Top (shellHandle); + if (currentX != x || currentY != y) { + moved = true; + oldX = currentX; + oldY = currentY; + OS.Window_Left (shellHandle, x); + OS.Window_Top (shellHandle, y); + sendEvent (SWT.Move); + if (isDisposed ()) return 0; + result |= MOVED; + } + } + if ((flags & RESIZED) != 0) { + int currentWidth = (int) OS.FrameworkElement_ActualWidth (shellHandle); + int currentHeight = (int) OS.FrameworkElement_ActualHeight (shellHandle); + if (currentWidth != width || currentHeight != height) { + resized = true; + oldWidth = currentWidth; + oldHeight = currentHeight; + OS.FrameworkElement_Width (shellHandle, width); + OS.FrameworkElement_Height (shellHandle, height); + sendEvent (SWT.Resize); + if (isDisposed ()) return 0; + result |= RESIZED; + } + } + return result; +} + +void setClipping () { + +} + +public void setEnabled (boolean enabled) { + checkWidget (); + if (OS.UIElement_IsEnabled (handle) == enabled) return; + super.setEnabled (enabled); +// if (enabled && OS.Window_IsActive (shellHandle)) { +// if (!restoreFocus ()) traverseGroup (true); +// } +} + +/** + * Sets the input method editor mode to the argument which + * should be the result of bitwise OR'ing together one or more + * of the following constants defined in class <code>SWT</code>: + * <code>NONE</code>, <code>ROMAN</code>, <code>DBCS</code>, + * <code>PHONETIC</code>, <code>NATIVE</code>, <code>ALPHA</code>. + * + * @param mode the new IME mode + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT + */ +public void setImeInputMode (int mode) { + checkWidget (); + //TODO +} + +/** + * Sets the receiver's minimum size to the size specified by the arguments. + * If the new minimum size is larger than the current size of the receiver, + * the receiver is resized to the new minimum size. + * + * @param width the new minimum width for the receiver + * @param height the new minimum height for the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void setMinimumSize (int width, int height) { + checkWidget (); + int widthLimit = 0, heightLimit = 0; + int trim = SWT.TITLE | SWT.CLOSE | SWT.MIN | SWT.MAX; + if ((style & SWT.NO_TRIM) == 0 && (style & trim) != 0) { +// widthLimit = OS.GetSystemMetrics (OS.SM_CXMINTRACK); +// if ((style & SWT.RESIZE) != 0) { +// heightLimit = OS.GetSystemMetrics (OS.SM_CYMINTRACK); +// } else { +// RECT rect = new RECT (); +// int bits1 = OS.GetWindowLong (handle, OS.GWL_STYLE); +// int bits2 = OS.GetWindowLong (handle, OS.GWL_EXSTYLE); +// OS.AdjustWindowRectEx (rect, bits1, false, bits2); +// heightLimit = rect.bottom - rect.top; +// } + } + int minWidth = Math.max (widthLimit, width); + int minHeight = Math.max (heightLimit, height); + OS.FrameworkElement_MinWidth(shellHandle, minWidth); + OS.FrameworkElement_MinHeight(shellHandle, minHeight); +} + +/** + * Sets the receiver's minimum size to the size specified by the argument. + * If the new minimum size is larger than the current size of the receiver, + * the receiver is resized to the new minimum size. + * + * @param size the new minimum size for the receiver + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void setMinimumSize (Point size) { + checkWidget (); + if (size == null) error (SWT.ERROR_NULL_ARGUMENT); + setMinimumSize (size.x, size.y); +} + +void setParent () { + /* Do nothing. Not necessary for Shells */ +} + +/** + * Sets the shape of the shell to the region specified + * by the argument. When the argument is null, the + * default shape of the shell is restored. The shell + * must be created with the style SWT.NO_TRIM in order + * to specify a region. + * + * @param region the region that defines the shape of the shell (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the region has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + * + */ +public void setRegion (Region region) { + checkWidget (); + if ((style & SWT.NO_TRIM) == 0) return; + if (region != null && region.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + OS.UIElement_Clip (shellHandle, region.handle); + this.region = region; +} + +public void setVisible (boolean visible) { + checkWidget (); + if (visible) { + OS.Window_Show (shellHandle); + + opened = true; + if (!moved) { + moved = true; + Point location = getLocation(); + oldX = location.x; + oldY = location.y; + sendEvent (SWT.Move); + if (isDisposed ()) return; + } + if (!resized) { + resized = true; + Point size = getSize (); + oldWidth = size.x;// - trimWidth (); + oldHeight = size.y;// - trimHeight (); + sendEvent (SWT.Resize); + if (isDisposed ()) return; + if (layout != null) { + markLayout (false, false); + updateLayout (false, false); + } + } + + } else { + if (!closing) OS.Window_Hide (shellHandle); + } +// if (drawCount != 0) { +// if (((state & HIDDEN) == 0) == visible) return; +// } else { +// if (visible == OS.IsWindowVisible (handle)) return; +// } +// +// /* +// * Feature in Windows. When ShowWindow() is called used to hide +// * a window, Windows attempts to give focus to the parent. If the +// * parent is disabled by EnableWindow(), focus is assigned to +// * another windows on the desktop. This means that if you hide +// * a modal window before the parent is enabled, the parent will +// * not come to the front. The fix is to change the modal state +// * before hiding or showing a window so that this does not occur. +// */ +// int mask = SWT.PRIMARY_MODAL | SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL; +// if ((style & mask) != 0) { +// if (visible) { +// display.setModalShell (this); +// Control control = display._getFocusControl (); +// if (control != null && !control.isActive ()) { +// bringToTop (); +// if (isDisposed ()) return; +// } +// int hwndShell = OS.GetActiveWindow (); +// if (hwndShell == 0) { +// if (parent != null) hwndShell = parent.handle; +// } +// if (hwndShell != 0) { +// OS.SendMessage (hwndShell, OS.WM_CANCELMODE, 0, 0); +// } +// OS.ReleaseCapture (); +// } else { +// display.clearModal (this); +// } +// } else { +// updateModal (); +// } +// +// /* +// * Bug in Windows. Calling ShowOwnedPopups() to hide the +// * child windows of a hidden window causes the application +// * to be deactivated. The fix is to call ShowOwnedPopups() +// * to hide children before hiding the parent. +// */ +// if (showWithParent && !visible) { +// if (!OS.IsWinCE) OS.ShowOwnedPopups (handle, false); +// } +// super.setVisible (visible); +// if (isDisposed ()) return; +// if (showWithParent == visible) return; +// showWithParent = visible; +// if (visible) { +// if (!OS.IsWinCE) OS.ShowOwnedPopups (handle, true); +// } +} + +int topHandle () { + return shellHandle; +} + +//boolean translateAccelerator (MSG msg) { +// if (!isEnabled () || !isActive ()) return false; +// if (menuBar != null && !menuBar.isEnabled ()) return false; +// return translateMDIAccelerator (msg) || translateMenuAccelerator (msg); +//} + +boolean traverseEscape () { + if (parent == null) return false; + if (!isVisible () || !isEnabled ()) return false; + close (); + return true; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Slider.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Slider.java new file mode 100644 index 0000000000..d6d0dcdc59 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Slider.java @@ -0,0 +1,490 @@ +/******************************************************************************* + * Copyright (c) 2000, 2005 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class are selectable user interface + * objects that represent a range of positive, numeric values. + * <p> + * At any given moment, a given slider will have a + * single 'selection' that is considered to be its + * value, which is constrained to be within the range of + * values the slider represents (that is, between its + * <em>minimum</em> and <em>maximum</em> values). + * </p><p> + * Typically, sliders will be made up of five areas: + * <ol> + * <li>an arrow button for decrementing the value</li> + * <li>a page decrement area for decrementing the value by a larger amount</li> + * <li>a <em>thumb</em> for modifying the value by mouse dragging</li> + * <li>a page increment area for incrementing the value by a larger amount</li> + * <li>an arrow button for incrementing the value</li> + * </ol> + * Based on their style, sliders are either <code>HORIZONTAL</code> + * (which have a left facing button for decrementing the value and a + * right facing button for incrementing it) or <code>VERTICAL</code> + * (which have an upward facing button for decrementing the value + * and a downward facing buttons for incrementing it). + * </p><p> + * On some platforms, the size of the slider's thumb can be + * varied relative to the magnitude of the range of values it + * represents (that is, relative to the difference between its + * maximum and minimum values). Typically, this is used to + * indicate some proportional value such as the ratio of the + * visible area of a document to the total amount of space that + * it would take to display it. SWT supports setting the thumb + * size even if the underlying platform does not, but in this + * case the appearance of the slider will not change. + * </p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>HORIZONTAL, VERTICAL</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection</dd> + * </dl> + * <p> + * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + * + * @see ScrollBar + */ +public class Slider extends Control { + boolean ignoreFocus; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#HORIZONTAL + * @see SWT#VERTICAL + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Slider (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's value changes, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * When <code>widgetSelected</code> is called, the event object detail field contains one of the following values: + * <code>SWT.NONE</code> - for the end of a drag. + * <code>SWT.DRAG</code>. + * <code>SWT.HOME</code>. + * <code>SWT.END</code>. + * <code>SWT.ARROW_DOWN</code>. + * <code>SWT.ARROW_UP</code>. + * <code>SWT.PAGE_DOWN</code>. + * <code>SWT.PAGE_UP</code>. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener(listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +static int checkStyle (int style) { + return checkBits (style, SWT.HORIZONTAL, SWT.VERTICAL, 0, 0, 0, 0); +} + +public Point computeSize (int wHint, int hHint, boolean changed) { + checkWidget (); + int border = getBorderWidth (); + int width = border * 2, height = border * 2; + if ((style & SWT.HORIZONTAL) != 0) { + width += OS.SystemParameters_HorizontalScrollBarButtonWidth () * 10; + height += OS.SystemParameters_HorizontalScrollBarHeight (); + } else { + width += OS.SystemParameters_VerticalScrollBarWidth (); + height += OS.SystemParameters_VerticalScrollBarButtonHeight () * 10; + } + if (wHint != SWT.DEFAULT) width = wHint + (border * 2); + if (hHint != SWT.DEFAULT) height = hHint + (border * 2); + return new Point (width, height); +} + +void createHandle () { + handle = OS.gcnew_ScrollBar (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + if ((style & SWT.HORIZONTAL) != 0) OS.ScrollBar_Orientation (handle, OS.Orientation_Horizontal); + OS.RangeBase_Maximum (handle, 100); + OS.RangeBase_LargeChange (handle, 10); + OS.RangeBase_SmallChange (handle, 1); +} + +/** + * Returns the amount that the receiver's value will be + * modified by when the up/down (or right/left) arrows + * are pressed. + * + * @return the increment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getIncrement () { + checkWidget (); + return (int) OS.RangeBase_SmallChange (handle); +} + +/** + * Returns the maximum value which the receiver will allow. + * + * @return the maximum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getMaximum () { + checkWidget (); + int maximum = (int) OS.RangeBase_Maximum (handle); + int viewSize = (int) OS.ScrollBar_ViewportSize (handle); + return maximum + viewSize; +} + +/** + * Returns the minimum value which the receiver will allow. + * + * @return the minimum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getMinimum () { + checkWidget (); + return (int) OS.RangeBase_Minimum (handle); +} + +/** + * Returns the amount that the receiver's value will be + * modified by when the page increment/decrement areas + * are selected. + * + * @return the page increment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getPageIncrement () { + checkWidget (); + return (int) OS.RangeBase_LargeChange (handle); +} + +/** + * Returns the 'selection', which is the receiver's value. + * + * @return the selection + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelection () { + checkWidget (); + return (int) OS.RangeBase_Value (handle); +} + +/** + * Returns the size of the receiver's thumb relative to the + * difference between its maximum and minimum values. + * + * @return the thumb value + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getThumb () { + checkWidget (); + return (int) OS.ScrollBar_ViewportSize (handle); +} + +void HandleScroll (int sender, int e) { + if (!checkEvent (e)) return; + Event event = new Event (); + switch (OS.ScrollEventArgs_ScrollEventType (e)) { + case OS.ScrollEventType_EndScroll: return; + case OS.ScrollEventType_ThumbPosition: event.detail = SWT.NONE; break; + case OS.ScrollEventType_ThumbTrack: event.detail = SWT.DRAG; break; + case OS.ScrollEventType_First: event.detail = SWT.HOME; break; + case OS.ScrollEventType_Last: event.detail = SWT.END; break; + case OS.ScrollEventType_LargeIncrement: event.detail = SWT.PAGE_DOWN; break; + case OS.ScrollEventType_LargeDecrement: event.detail = SWT.PAGE_UP; break; + case OS.ScrollEventType_SmallIncrement: event.detail = SWT.ARROW_DOWN; break; + case OS.ScrollEventType_SmallDecrement: event.detail = SWT.ARROW_UP; break; + } + postEvent (SWT.Selection, event); +} + +void hookEvents () { + super.hookEvents (); + int handler = OS.gcnew_ScrollEventHandler (jniRef, "HandleScroll"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.ScrollBar_Scroll (handle, handler); + OS.GCHandle_Free (handler); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's value changes. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Sets the amount that the receiver's value will be + * modified by when the up/down (or right/left) arrows + * are pressed to the argument, which must be at least + * one. + * + * @param value the new increment (must be greater than zero) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setIncrement (int value) { + checkWidget (); + if (value < 1) return; + OS.RangeBase_SmallChange (handle, value); +} + +/** + * Sets the maximum. If this value is negative or less than or + * equal to the minimum, the value is ignored. If necessary, first + * the thumb and then the selection are adjusted to fit within the + * new range. + * + * @param value the new maximum, which must be greater than the current minimum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMaximum (int value) { + checkWidget (); + if (value < 0) return; + int minimum = (int) OS.RangeBase_Minimum (handle); + if (value <= minimum) return; + int viewSize = (int) OS.ScrollBar_ViewportSize (handle); + if (value - minimum < viewSize) { + viewSize = value - minimum; + OS.ScrollBar_ViewportSize (handle, viewSize); + } + OS.RangeBase_Maximum (handle, value - viewSize); +} + +/** + * Sets the minimum value. If this value is negative or greater + * than or equal to the maximum, the value is ignored. If necessary, + * first the thumb and then the selection are adjusted to fit within + * the new range. + * + * @param value the new minimum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMinimum (int value) { + checkWidget (); + if (value < 0) return; + int viewSize = (int) OS.ScrollBar_ViewportSize (handle); + int maximum = (int) OS.RangeBase_Maximum (handle) + viewSize; + if (value >= maximum) return; + if (maximum - value < viewSize) { + viewSize = maximum - value; + OS.RangeBase_Maximum (handle, maximum - viewSize); + OS.ScrollBar_ViewportSize (handle, viewSize); + } + OS.RangeBase_Minimum (handle, value); +} + +/** + * Sets the amount that the receiver's value will be + * modified by when the page increment/decrement areas + * are selected to the argument, which must be at least + * one. + * + * @param value the page increment (must be greater than zero) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setPageIncrement (int value) { + checkWidget (); + if (value < 1) return; + OS.RangeBase_LargeChange (handle, value); +} + + + +/** + * Sets the 'selection', which is the receiver's + * value, to the argument which must be greater than or equal + * to zero. + * + * @param value the new selection (must be zero or greater) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (int value) { + checkWidget (); + OS.RangeBase_Value (handle, value); +} + +/** + * Sets the size of the receiver's thumb relative to the + * difference between its maximum and minimum values. This new + * value will be ignored if it is less than one, and will be + * clamped if it exceeds the receiver's current range. + * + * @param value the new thumb value, which must be at least one and not + * larger than the size of the current range + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setThumb (int value) { + checkWidget (); + if (value < 1) return; + int minimum = (int) OS.RangeBase_Minimum (handle); + int viewSize = (int) OS.ScrollBar_ViewportSize (handle); + int maximum = (int) OS.RangeBase_Maximum (handle) + viewSize; + value = Math.min (value, maximum - minimum); + OS.RangeBase_Maximum (handle, maximum - value); + OS.ScrollBar_ViewportSize (handle, value); +} + +/** + * Sets the receiver's selection, minimum value, maximum + * value, thumb, increment and page increment all at once. + * <p> + * Note: This is similar to setting the values individually + * using the appropriate methods, but may be implemented in a + * more efficient fashion on some platforms. + * </p> + * + * @param selection the new selection value + * @param minimum the new minimum value + * @param maximum the new maximum value + * @param thumb the new thumb value + * @param increment the new increment value + * @param pageIncrement the new pageIncrement value + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setValues (int selection, int minimum, int maximum, int thumb, int increment, int pageIncrement) { + checkWidget(); + if (minimum < 0) return; + if (maximum < 0) return; + if (thumb < 1) return; + if (increment < 1) return; + if (pageIncrement < 1) return; + thumb = Math.min (thumb, maximum - minimum); + OS.RangeBase_Minimum (handle, minimum); + OS.RangeBase_Maximum (handle, maximum - thumb); + OS.ScrollBar_ViewportSize (handle, thumb); + OS.RangeBase_Value (handle, selection); + OS.RangeBase_LargeChange (handle, pageIncrement); + OS.RangeBase_SmallChange (handle, increment); +} +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Spinner.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Spinner.java new file mode 100644 index 0000000000..e480d72ff6 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Spinner.java @@ -0,0 +1,751 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class are selectable user interface + * objects that allow the user to enter and modify numeric + * values. + * <p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>READ_ONLY, WRAP</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection, Modify</dd> + * </dl> + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + * + * @since 3.1 + */ +public class Spinner extends Composite { + int textHandle, upHandle, downHandle; + int increment, pageIncrement, digits, max, min, value; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#READ_ONLY + * @see SWT#WRAP + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Spinner (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +Control [] _getChildren () { + return new Control [0]; +} + +static int checkStyle (int style) { + /* + * Even though it is legal to create this widget + * with scroll bars, they serve no useful purpose + * because they do not automatically scroll the + * widget's client area. The fix is to clear + * the SWT style. + */ + return style & ~(SWT.H_SCROLL | SWT.V_SCROLL); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +int backgroundHandle () { + return textHandle; +} + +int backgroundProperty () { + return OS.Control_BackgroundProperty (); +} + +public Point computeSize (int wHint, int hHint, boolean changed) { + checkWidget (); + return super.computeSize (handle, wHint, hHint, changed); +} + +int createArrow (int direction) { + int geometry = OS.gcnew_StreamGeometry (); + int context = OS.StreamGeometry_Open (geometry); + int start = 0, point = 0, end = 0; + switch (direction) { + case SWT.DOWN: + start = OS.gcnew_Point (0, 0); + point = OS.gcnew_Point (3, 3); + end = OS.gcnew_Point (6, 0); + break; + case SWT.UP: + start = OS.gcnew_Point (0, 3); + point = OS.gcnew_Point (3, 0); + end = OS.gcnew_Point (6, 3); + break; + } + OS.StreamGeometryContext_BeginFigure (context, start, true, true); + OS.StreamGeometryContext_LineTo (context, point, true, true); + OS.StreamGeometryContext_LineTo (context, end, true, true); + OS.StreamGeometryContext_Close (context); + int path = OS.gcnew_Path (); + OS.Path_Data (path, geometry); + int padding = OS.gcnew_Thickness (3, 0, 3, 0); + OS.FrameworkElement_Margin (path, padding); + int brush = OS.Brushes_Black (); + OS.Path_Fill (path, brush); + OS.FrameworkElement_HorizontalAlignment (path, OS.HorizontalAlignment_Center); + OS.FrameworkElement_VerticalAlignment (path, OS.VerticalAlignment_Center); + OS.GCHandle_Free (padding); + OS.GCHandle_Free (start); + OS.GCHandle_Free (point); + OS.GCHandle_Free (end); + OS.GCHandle_Free (brush); + OS.GCHandle_Free (context); + OS.GCHandle_Free (geometry); + return path; +} + +void createHandle () { + handle = OS.gcnew_Grid (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + int row0 = OS.gcnew_RowDefinition (); + int row1 = OS.gcnew_RowDefinition (); + int rows = OS.Grid_RowDefinitions (handle); + OS.RowDefinitionCollection_Add (rows, row0); + OS.RowDefinitionCollection_Add (rows, row1); + int col0 = OS.gcnew_ColumnDefinition (); + int col1 = OS.gcnew_ColumnDefinition (); + int columns = OS.Grid_ColumnDefinitions (handle); + OS.ColumnDefinitionCollection_Add (columns, col0); + OS.ColumnDefinitionCollection_Add (columns, col1); + int gridChildren = OS.Panel_Children (handle); + textHandle = OS.gcnew_TextBox (); + if (textHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.Grid_SetRowSpan (textHandle, 2); + OS.UIElementCollection_Add (gridChildren, textHandle); + upHandle = OS.gcnew_RepeatButton (); + if (upHandle == 0) error (SWT.ERROR_NO_HANDLES); + int upArrow = createArrow (SWT.UP); + OS.ContentControl_Content (upHandle, upArrow); + OS.Grid_SetColumn (upHandle, 1); + OS.UIElementCollection_Add (gridChildren, upHandle); + downHandle = OS.gcnew_RepeatButton (); + if (downHandle == 0) error (SWT.ERROR_NO_HANDLES); + int downArrow = createArrow (SWT.DOWN); + OS.ContentControl_Content (downHandle, downArrow); + OS.Grid_SetColumn (downHandle, 1); + OS.Grid_SetRow (downHandle, 1); + OS.UIElementCollection_Add (gridChildren, downHandle); + int colWidth0 = OS.gcnew_GridLength (10, OS.GridUnitType_Star); + OS.ColumnDefinition_Width(col0, colWidth0); + int colWidth1 = OS.gcnew_GridLength (1, OS.GridUnitType_Auto); + OS.ColumnDefinition_Width (col1, colWidth1); + OS.GCHandle_Free (colWidth0); + OS.GCHandle_Free (colWidth1); + OS.GCHandle_Free (upArrow); + OS.GCHandle_Free (downArrow); + OS.GCHandle_Free (row0); + OS.GCHandle_Free (row1); + OS.GCHandle_Free (rows); + OS.GCHandle_Free (col0); + OS.GCHandle_Free (col1); + OS.GCHandle_Free (columns); + OS.GCHandle_Free (gridChildren); +} + +void createWidget () { + super.createWidget(); + increment = 1; + pageIncrement = 10; + digits = 0; + max = 100; + value = 0; + updateText (); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's text is modified, by sending + * it one of the messages defined in the <code>ModifyListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ModifyListener + * @see #removeModifyListener + */ +public void addModifyListener (ModifyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Modify, typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is selected, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * <code>widgetSelected</code> is not called for texts. + * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed in a single-line text. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's text is verified, by sending + * it one of the messages defined in the <code>VerifyListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see VerifyListener + * @see #removeVerifyListener + */ +void addVerifyListener (VerifyListener listener) { + checkWidget(); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Verify, typedListener); +} + +/** + * Copies the selected text. + * <p> + * The current selection is copied to the clipboard. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void copy () { + checkWidget (); + //TODO +} + +/** + * Cuts the selected text. + * <p> + * The current selection is first copied to the + * clipboard and then deleted from the widget. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void cut () { + checkWidget (); + if ((style & SWT.READ_ONLY) != 0) return; + //TODO +} + +/** + * Returns the number of decimal places used by the receiver. + * + * @return the digits + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getDigits () { + checkWidget (); + return digits; +} + +/** + * Returns the amount that the receiver's value will be + * modified by when the up/down arrows are pressed. + * + * @return the increment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getIncrement () { + checkWidget (); + return increment; +} + +/** + * Returns the maximum value which the receiver will allow. + * + * @return the maximum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getMaximum () { + checkWidget (); + return max; +} + +/** + * Returns the minimum value which the receiver will allow. + * + * @return the minimum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getMinimum () { + checkWidget (); + return min; +} + +/** + * Returns the amount that the receiver's position will be + * modified by when the page up/down keys are pressed. + * + * @return the page increment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getPageIncrement () { + checkWidget (); + return pageIncrement; +} + +/** + * Returns the <em>selection</em>, which is the receiver's position. + * + * @return the selection + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelection () { + checkWidget (); + return value; +} + +void HandleDownClick (int sender, int e) { + if (!checkEvent (e)) return; + value -= increment; + value = Math.max (value, min); + updateText (); + postEvent (SWT.Selection); +} + +void HandleUpClick (int sender, int e) { + if (!checkEvent (e)) return; + value += increment; + value = Math.min (value, max); + updateText (); + postEvent (SWT.Selection); +} + +void hookEvents () { + super.hookEvents(); + //TEXT +// int handler = OS.gcnew_TextCompositionEventHandler (jniRef, "HandlePreviewTextInput"); +// if (handler == 0) error (SWT.ERROR_NO_HANDLES); +// OS.UIElement_PreviewTextInput (handle, handler); +// OS.GCHandle_Free (handler); +// handler = OS.gcnew_ExecutedRoutedEventHandler(jniRef, "HandlePreviewExecutedRoutedEvent"); +// if (handler == 0) error (SWT.ERROR_NO_HANDLES); +// OS.CommandManager_AddPreviewExecutedHandler(handle, handler); +// OS.GCHandle_Free(handler); +// handler = OS.gcnew_TextChangedEventHandler (jniRef, "HandleTextChanged"); +// if (handler == 0) error (SWT.ERROR_NO_HANDLES); +// OS.TextBoxBase_TextChanged (handle, handler); +// OS.GCHandle_Free(handler); + //BUTTON + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleDownClick"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.ButtonBase_Click (downHandle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleUpClick"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.ButtonBase_Click (upHandle, handler); + OS.GCHandle_Free (handler); +} + +/** + * Pastes text from clipboard. + * <p> + * The selected text is deleted from the widget + * and new text inserted from the clipboard. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void paste () { + checkWidget (); + //TODO +} + +void releaseHandle () { + super.releaseHandle(); + OS.GCHandle_Free (textHandle); + OS.GCHandle_Free (upHandle); + OS.GCHandle_Free (downHandle); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's text is modified. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ModifyListener + * @see #addModifyListener + */ +public void removeModifyListener (ModifyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Modify, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is selected. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is verified. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see VerifyListener + * @see #addVerifyListener + */ +void removeVerifyListener (VerifyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Verify, listener); +} + +/** + * Sets the number of decimal places used by the receiver. + * <p> + * The digit setting is used to allow for floating point values in the receiver. + * For example, to set the selection to a floating point value of 1.37 call setDigits() with + * a value of 2 and setSelection() with a value of 137. Similarly, if getDigits() has a value + * of 2 and getSelection() returns 137 this should be interpreted as 1.37. This applies to all + * numeric APIs. + * </p> + * + * @param value the new digits (must be greater than or equal to zero) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the value is less than zero</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setDigits (int value) { + checkWidget (); + if (value < 0) error (SWT.ERROR_INVALID_ARGUMENT); + digits = value; +} + +/** + * Sets the amount that the receiver's value will be + * modified by when the up/down arrows are pressed to + * the argument, which must be at least one. + * + * @param value the new increment (must be greater than zero) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setIncrement (int value) { + checkWidget (); + if (value < 1) return; + increment = value; +} + +/** + * Sets the maximum value that the receiver will allow. This new + * value will be ignored if it is not greater than the receiver's current + * minimum value. If the new maximum is applied then the receiver's + * selection value will be adjusted if necessary to fall within its new range. + * + * @param value the new maximum, which must be greater than the current minimum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMaximum (int value) { + checkWidget (); + if (value < 0) return; + max = value; +} + +/** + * Sets the minimum value that the receiver will allow. This new + * value will be ignored if it is negative or is not less than the receiver's + * current maximum value. If the new minimum is applied then the receiver's + * selection value will be adjusted if necessary to fall within its new range. + * + * @param value the new minimum, which must be nonnegative and less than the current maximum + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setMinimum (int value) { + checkWidget (); + if (value < 0) return; + min = value; +} + +/** + * Sets the amount that the receiver's position will be + * modified by when the page up/down keys are pressed + * to the argument, which must be at least one. + * + * @param value the page increment (must be greater than zero) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setPageIncrement (int value) { + checkWidget (); + if (value < 1) return; + pageIncrement = value; +} + +/** + * Sets the <em>selection</em>, which is the receiver's + * position, to the argument. If the argument is not within + * the range specified by minimum and maximum, it will be + * adjusted to fall within this range. + * + * @param value the new selection (must be zero or greater) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (int value) { + checkWidget (); + this.value = value; + updateText(); +} + +/** + * Sets the receiver's selection, minimum value, maximum + * value, digits, increment and page increment all at once. + * <p> + * Note: This is similar to setting the values individually + * using the appropriate methods, but may be implemented in a + * more efficient fashion on some platforms. + * </p> + * + * @param selection the new selection value + * @param minimum the new minimum value + * @param maximum the new maximum value + * @param digits the new digits value + * @param increment the new increment value + * @param pageIncrement the new pageIncrement value + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setValues (int selection, int minimum, int maximum, int digits, int increment, int pageIncrement) { + checkWidget (); + if (minimum < 0) return; + if (maximum <= minimum) return; + if (digits < 0) return; + if (increment < 1) return; + if (pageIncrement < 1) return; + value = Math.min (Math.max (minimum, selection), maximum); + setIncrement (increment); + this.pageIncrement = pageIncrement; + this.digits = digits; + this.min = minimum; + this.max = maximum; + this.increment = increment; + this.pageIncrement = pageIncrement; + updateText(); +} + +void updateText () { + String valStr = digits == 0 ? value+"" : new Double (value/Math.pow(10, digits)).toString(); + int strPtr = createDotNetString (valStr, false); + OS.TextBox_Text (textHandle, strPtr); + OS.GCHandle_Free (strPtr); +} + +String verifyText (String string, int start, int end, Event keyEvent) { + Event event = new Event (); + event.text = string; + event.start = start; + event.end = end; + if (keyEvent != null) { + event.character = keyEvent.character; + event.keyCode = keyEvent.keyCode; + event.stateMask = keyEvent.stateMask; + } +// int index = 0; +// if (digits > 0) { +// String decimalSeparator = getDecimalSeparator (); +// index = string.indexOf (decimalSeparator); +// if (index != -1) { +// string = string.substring (0, index) + string.substring (index + 1); +// } +// index = 0; +// } +// while (index < string.length ()) { +// if (!Character.isDigit (string.charAt (index))) break; +// index++; +// } +// event.doit = index == string.length (); +// if (!OS.IsUnicode && OS.IsDBLocale) { +// event.start = mbcsToWcsPos (start); +// event.end = mbcsToWcsPos (end); +// } + //TODO + sendEvent (SWT.Verify, event); + if (!event.doit || isDisposed ()) return null; + return event.text; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TabFolder.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TabFolder.java new file mode 100644 index 0000000000..cf91843f8a --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TabFolder.java @@ -0,0 +1,634 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + +import org.eclipse.swt.*; +import org.eclipse.swt.events.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.internal.wpf.*; + +/** + * Instances of this class implement the notebook user interface + * metaphor. It allows the user to select a notebook page from + * set of pages. + * <p> + * The item children that may be added to instances of this class + * must be of type <code>TabItem</code>. + * <code>Control</code> children are created and then set into a + * tab item using <code>TabItem#setControl</code>. + * </p><p> + * Note that although this class is a subclass of <code>Composite</code>, + * it does not make sense to set a layout on it. + * </p><p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>TOP, BOTTOM</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection</dd> + * </dl> + * <p> + * Note: Only one of the styles TOP and BOTTOM may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ +public class TabFolder extends Composite { + int parentingHandle; + int itemCount; + Control [] children; + int childCount; + boolean ignoreSelection; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TabFolder (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +int backgroundProperty () { + return OS.Control_BackgroundProperty (); +} + +void addChild (Control widget) { + super.addChild (widget); + if (childCount == children.length) { + Control [] newChildren = new Control [childCount + 4]; + System.arraycopy (children, 0, newChildren, 0, childCount); + children = newChildren; + } + children [childCount++] = widget; +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's selection changes, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * When <code>widgetSelected</code> is called, the item field of the event object is valid. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener(listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +static int checkStyle (int style) { + /* + * When the SWT.TOP style has not been set, force the + * tabs to be on the bottom for tab folders on PPC. + */ +// if (OS.IsPPC) { +// if ((style & SWT.TOP) == 0) style |= SWT.BOTTOM; +// } + style = checkBits (style, SWT.TOP, SWT.BOTTOM, 0, 0, 0, 0); + + /* + * Even though it is legal to create this widget + * with scroll bars, they serve no useful purpose + * because they do not automatically scroll the + * widget's client area. The fix is to clear + * the SWT style. + */ + return style & ~(SWT.H_SCROLL | SWT.V_SCROLL); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +int clientHandle () { + int index = OS.Selector_SelectedIndex (handle); + if (index != -1) { + int items = OS.ItemsControl_Items (handle); + TabItem item = getItem (items, index); + OS.GCHandle_Free (items); + return item.contentHandle; + } + return handle; +} + +public Point computeSize (int wHint, int hHint, boolean changed) { + Point size = super.computeSize (wHint, hHint, changed); + Point sizeTabFolder = super.computeSize (handle, wHint, hHint, changed); + return new Point (sizeTabFolder.x + 1, size.y + sizeTabFolder.y); +} + +void createItem (TabItem item, int index) { + if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); + item.createWidget (); + int items = OS.ItemsControl_Items (handle); + OS.ItemCollection_Insert (items, index, item.topHandle ()); + int count = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); + if (itemCount == count) error (SWT.ERROR_ITEM_NOT_ADDED); + itemCount++; +} + +void createHandle () { + parentingHandle = OS.gcnew_Canvas (); + if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES); + handle = OS.gcnew_TabControl (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + if ((style & SWT.BOTTOM) != 0) OS.TabControl_TabStripPlacement (handle, OS.Dock_Bottom); + int children = OS.Panel_Children (parentingHandle); + OS.UIElementCollection_Add (children, handle); + OS.GCHandle_Free (children); + OS.Canvas_SetLeft (handle, 0); + OS.Canvas_SetTop (handle, 0); +} + +void createWidget () { + super.createWidget (); + children = new Control [4]; +} + +void deregister () { + super.deregister (); + display.removeWidget (parentingHandle); +} + +void destroyItem (TabItem item) { + int items = OS.ItemsControl_Items (handle); + OS.ItemCollection_Remove (items, item.topHandle ()); + int count = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); + if (itemCount == count) error (SWT.ERROR_ITEM_NOT_REMOVED); + itemCount--; +} + +Control findThemeControl () { + return this; +} + +Control [] _getChildren () { + // return children in reverse order. + Control[] result = new Control [childCount]; + for (int i =0; i < childCount; i++) { + result [childCount - i - 1] = children [i]; + } + return result; +} + +/** + * Returns the item at the given, zero-relative index in the + * receiver. Throws an exception if the index is out of range. + * + * @param index the index of the item to return + * @return the item at the given index + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TabItem getItem (int index) { + checkWidget (); + if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); + int items = OS.ItemsControl_Items (handle); + TabItem item = getItem (items, index); + OS.GCHandle_Free (items); + return item; +} + +TabItem getItem (int items, int index) { + int item = OS.ItemCollection_GetItemAt (items, index); + TabItem result = (TabItem) display.getWidget (item); + OS.GCHandle_Free(item); + return result; +} + +/** + * Returns the number of items contained in the receiver. + * + * @return the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemCount () { + return itemCount; +} + +/** + * Returns an array of <code>TabItem</code>s which are the items + * in the receiver. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the items in the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TabItem [] getItems () { + checkWidget (); + TabItem [] result = new TabItem [itemCount]; + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + result [i] = getItem (items, i); + } + OS.GCHandle_Free (items); + return result; +} + +/** + * Returns an array of <code>TabItem</code>s that are currently + * selected in the receiver. An empty array indicates that no + * items are selected. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its selection, so modifying the array will + * not affect the receiver. + * </p> + * @return an array representing the selection + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TabItem [] getSelection () { + checkWidget (); + int index = OS.Selector_SelectedIndex (handle); + if (index == -1) return new TabItem [0]; + int items = OS.ItemsControl_Items (handle); + TabItem item = getItem (items, index); + OS.GCHandle_Free (items); + return new TabItem [] {item}; +} + +/** + * Returns the zero-relative index of the item which is currently + * selected in the receiver, or -1 if no item is selected. + * + * @return the index of the selected item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelectionIndex () { + checkWidget (); + return OS.Selector_SelectedIndex (handle); +} + +boolean hasItems () { + return true; +} + +void HandleSelectionChange (int sender, int e) { + if (!checkEvent (e)) return; + if (ignoreSelection) return; + int selectedItem = OS.Selector_SelectedItem (handle); + if (selectedItem == 0) return; + TabItem item = (TabItem) display.getWidget (selectedItem); + OS.GCHandle_Free (selectedItem); + Event event = new Event (); + event.item = item; + postEvent (SWT.Selection, event); +} + +void hookEvents () { + super.hookEvents (); + int handler = OS.gcnew_SelectionChangedEventHandler (jniRef, "HandleSelectionChange"); + OS.Selector_SelectionChanged (handle, handler); + OS.GCHandle_Free (handler); +} + +/** + * Searches the receiver's list starting at the first item + * (index 0) until an item is found that is equal to the + * argument, and returns the index of that item. If no item + * is found, returns -1. + * + * @param item the search item + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (TabItem item) { + checkWidget (); + if (item == null) error (SWT.ERROR_NULL_ARGUMENT); + int items = OS.ItemsControl_Items (handle); + int index = OS.ItemCollection_IndexOf (items, item.topHandle ()); + OS.GCHandle_Free (items); + return index; +} + +boolean mnemonicHit (char key) { + //TODO + return false; +} + +boolean mnemonicMatch (char key) { + boolean found = false; + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TabItem item = getItem (items, i); + if (mnemonicMatch (item.textHandle, key)) { + found = true; + break; + } + } + OS.GCHandle_Free (items); + return found; +} + +int parentingHandle() { + return parentingHandle; +} + +void register () { + super.register (); + display.addWidget (parentingHandle, this); +} + +void releaseChildren (boolean destroy) { + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TabItem item = getItem (items, i); + if (item != null && !item.isDisposed ()) item.release (false); + } + OS.GCHandle_Free (items); + super.releaseChildren (destroy); +} + +void removeChild (Control control) { + super.removeChild (control);//TODO MAKE SURE removeControl gets called first + int index = 0; + while (index < childCount) { + if (children [index] == control) break; + index++; + } + if (index == childCount) return; + System.arraycopy(children, index+1, children, index, --childCount - index); + children [childCount] = null; +} + +void releaseHandle() { + super.releaseHandle (); + if (parentingHandle != 0) OS.GCHandle_Free (parentingHandle); + parentingHandle = 0; +} + +void removeControl (Control control) { + super.removeControl (control); + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TabItem item = getItem (items, i); + if (item.control == control) { + item.setControl (null); + break; + } + } + OS.GCHandle_Free (items); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's selection changes. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +int setBounds (int x, int y, int width, int height, int flags) { + int result = super.setBounds (x, y, width, height, flags); + if ((result & RESIZED) != 0) { + OS.FrameworkElement_Height (handle, height); + OS.FrameworkElement_Width (handle, width); + int selectedItem = OS.Selector_SelectedItem (handle); + if (selectedItem != 0) { + TabItem item = (TabItem) display.getWidget (selectedItem); + OS.GCHandle_Free (selectedItem); + Control control = item.control; + if (control != null && !control.isDisposed ()) { + control.setBounds (getClientArea ()); + } + } + } + return result; +} + +void setForegroundBrush (int brush) { + if (brush != 0) { + OS.Control_Foreground (handle, brush); + } else { + int property = OS.Control_ForegroundProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + } +} + +/** + * Sets the receiver's selection to the given item. + * The current selected is first cleared, then the new item is + * selected. + * + * @param item the item to select + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the item is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setSelection (TabItem item) { + checkWidget (); + if (item == null) error (SWT.ERROR_NULL_ARGUMENT); + setSelection (new TabItem [] {item}); +} + +/** + * Sets the receiver's selection to be the given array of items. + * The current selected is first cleared, then the new items are + * selected. + * + * @param items the array of items + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the items array is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (TabItem [] items) { + checkWidget (); + if (items == null) error (SWT.ERROR_NULL_ARGUMENT); + if (items.length == 0) { + setSelection (-1, false); + } else { + for (int i=items.length-1; i>=0; --i) { + int index = indexOf (items [i]); + if (index != -1) setSelection (index, false); + } + } +} + +/** + * Selects the item at the given zero-relative index in the receiver. + * If the item at the index was already selected, it remains selected. + * The current selection is first cleared, then the new items are + * selected. Indices that are out of range are ignored. + * + * @param index the index of the item to select + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (int index) { + checkWidget (); + if (!(0 <= index && index < itemCount)) return; + setSelection (index, false); +} + +void setSelection (int index, boolean notify) { + int oldIndex = OS.Selector_SelectedIndex (handle); + if (oldIndex != -1) { + int items = OS.ItemsControl_Items (handle); + TabItem item = getItem (items, oldIndex); + OS.GCHandle_Free (items); + Control control = item.control; + if (control != null && !control.isDisposed ()) { + control.setVisible (false); + } + } + ignoreSelection = true; + OS.Selector_SelectedIndex (handle, index); + ignoreSelection = false; + int newIndex = OS.Selector_SelectedIndex (handle); + if (newIndex != -1) { + int items = OS.ItemsControl_Items (handle); + TabItem item = getItem (items, newIndex); + OS.GCHandle_Free (items); + Control control = item.control; + if (control != null && !control.isDisposed ()) { +// control.setBounds (getClientArea ()); + control.setVisible (true); + } + if (notify) { + Event event = new Event (); + event.item = item; + sendEvent (SWT.Selection, event); + } + } +} + +int topHandle() { + return parentingHandle; +} + +boolean traversePage (boolean next) { +// GTK: OS.g_signal_emit_by_name (handle, OS.change_current_page, next ? 1 : -1); + int count = getItemCount (); + if (count <= 1) return false; + int index = getSelectionIndex (); + if (index == -1) { + index = 0; + } else { + int offset = (next) ? 1 : -1; + index = (index + offset + count) % count; + } + setSelection (index, true); + if (index == getSelectionIndex ()) { +// OS.SendMessage (handle, OS.WM_CHANGEUISTATE, OS.UIS_INITIALIZE, 0); + return true; + } + return false; +} +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TabItem.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TabItem.java new file mode 100644 index 0000000000..1f512507db --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TabItem.java @@ -0,0 +1,361 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class represent a selectable user interface object + * corresponding to a tab for a page in a tab folder. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ + +public class TabItem extends Item { + TabFolder parent; + Control control; + String toolTipText; + int imageHandle, textHandle, contentHandle; + + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>TabFolder</code>) and a style value + * describing its behavior and appearance. The item is added + * to the end of the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TabItem (TabFolder parent, int style) { + super (parent, style); + this.parent = parent; + parent.createItem (this, parent.getItemCount ()); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>TabFolder</code>), a style value + * describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * @param index the zero-relative index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TabItem (TabFolder parent, int style, int index) { + super (parent, style); + this.parent = parent; + parent.createItem (this, index); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +void createHandle () { + handle = OS.gcnew_TabItem (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + imageHandle = OS.gcnew_Image (); + if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.Image_Stretch (imageHandle, OS.Stretch_None); + int thickness = OS.gcnew_Thickness (0, 0, 3, 0); + if (thickness == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_Margin (imageHandle, thickness); + OS.GCHandle_Free (thickness); + OS.UIElement_Visibility (imageHandle, OS.Visibility_Collapsed); + textHandle = OS.gcnew_AccessText (); + if (textHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_VerticalAlignment (textHandle, OS.VerticalAlignment_Center); + int panel = OS.gcnew_StackPanel (); + if (panel == 0) error (SWT.ERROR_NO_HANDLES); + OS.StackPanel_Orientation (panel, OS.Orientation_Horizontal); + thickness = OS.gcnew_Thickness (1, 1, 1, 1); + if (thickness == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_Margin (panel, thickness); + OS.GCHandle_Free(thickness); + int children = OS.Panel_Children (panel); + OS.UIElementCollection_Add (children, imageHandle); + OS.UIElementCollection_Add (children, textHandle); + OS.HeaderedContentControl_Header (handle, panel); + OS.GCHandle_Free (children); + OS.GCHandle_Free (panel); + contentHandle = OS.gcnew_Canvas (); + if (contentHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.ContentControl_Content (handle, contentHandle); +} + +void deregister () { + display.removeWidget (handle); +} + +void destroyWidget () { + parent.destroyItem (this); + releaseHandle (); +} + +/** + * Returns the control that is used to fill the client area of + * the tab folder when the user selects the tab item. If no + * control has been set, return <code>null</code>. + * <p> + * @return the control + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Control getControl () { + checkWidget(); + return control; +} + +/** + * Returns the receiver's parent, which must be a <code>TabFolder</code>. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TabFolder getParent () { + checkWidget(); + return parent; +} + +Control getWidgetControl () { + return parent; +} + +/** + * Returns the receiver's tool tip text, or null if it has + * not been set. + * + * @return the receiver's tool tip text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getToolTipText () { + checkWidget(); + return toolTipText; +} + +void HandleSizeChanged (int sender, int e) { + if (!checkEvent (e)) return; + if (control == null) return; + control.setBounds (parent.getClientArea ()); +} + +void hookEvents () { + super.hookEvents (); + int handler = OS.gcnew_SizeChangedEventHandler (jniRef, "HandleSizeChanged"); + OS.FrameworkElement_SizeChanged (contentHandle, handler); + OS.GCHandle_Free (handler); +} + +void register() { + display.addWidget (handle, this); +} + +void releaseHandle () { + super.releaseHandle (); + if (handle != 0) OS.GCHandle_Free (handle); + handle = 0; + parent = null; + if (textHandle != 0) OS.GCHandle_Free (textHandle); + textHandle = 0; + if (imageHandle !=0 )OS.GCHandle_Free (imageHandle); + imageHandle = 0; + if (contentHandle != 0) OS.GCHandle_Free (contentHandle); + contentHandle = 0; +} + +void releaseParent () { + super.releaseParent (); + int index = parent.indexOf (this); + if (index == parent.getSelectionIndex ()) { + if (control != null) control.setVisible (false); + } +} + +void releaseWidget () { + super.releaseWidget (); + control = null; + toolTipText = null; + deregister (); +} + +/** + * Sets the control that is used to fill the client area of + * the tab folder when the user selects the tab item. + * <p> + * @param control the new control (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> + * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setControl (Control control) { + checkWidget(); + if (control != null) { + if (control.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + if (control.parent != parent) error (SWT.ERROR_INVALID_PARENT); + } + Control oldControl = this.control, newControl = control; + this.control = control; + int children = OS.Panel_Children (contentHandle); + int parentHandle = parent.parentingHandle (); + int parentChildren = OS.Panel_Children (parentHandle); + if (newControl != null) { + int topHandle = newControl.topHandle (); + OS.UIElementCollection_Remove (parentChildren, topHandle); + OS.UIElementCollection_Add (children, topHandle); + } + if (oldControl != null) { + int topHandle = oldControl.topHandle (); + OS.UIElementCollection_Remove (children, topHandle); + OS.UIElementCollection_Add (parentChildren, topHandle); + } + OS.GCHandle_Free (children); + OS.GCHandle_Free (parentChildren); +} + +public void setImage (Image image) { + checkWidget(); + super.setImage (image); + OS.Image_Source (imageHandle, image != null ? image.handle : 0); + OS.UIElement_Visibility (imageHandle, image != null ? OS.Visibility_Visible : OS.Visibility_Collapsed); +} + +/** + * Sets the receiver's text. The string may include + * the mnemonic character. + * </p> + * <p> + * Mnemonics are indicated by an '&' that causes the next + * character to be the mnemonic. When the user presses a + * key sequence that matches the mnemonic, a selection + * event occurs. On most platforms, the mnemonic appears + * underlined but may be emphasised in a platform specific + * manner. The mnemonic indicator character '&' can be + * escaped by doubling it in the string, causing a single + * '&' to be displayed. + * </p> + * + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + */ +public void setText (String string) { + checkWidget(); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if (string.equals (text)) return; + super.setText (string); + int strPtr = createDotNetString (string, true); + if (strPtr == 0) error (SWT.ERROR_NO_HANDLES); + OS.AccessText_Text (textHandle, strPtr); + OS.GCHandle_Free (strPtr); +// OS.UIElement_Visibility (textHandle, string.length() == 0 ? OS.Visibility_Collapsed : OS.Visibility_Visible); +} + +/** + * Sets the receiver's tool tip text to the argument, which + * may be null indicating that no tool tip text should be shown. + * + * @param string the new tool tip text (or null) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setToolTipText (String string) { + checkWidget(); + toolTipText = string; + int strPtr = createDotNetString (string, false); + int header = OS.HeaderedContentControl_Header (handle); + OS.FrameworkElement_ToolTip (header, strPtr); + if (strPtr != 0) OS.GCHandle_Free (strPtr); + OS.GCHandle_Free (header); +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Table.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Table.java new file mode 100644 index 0000000000..2d19ba9246 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Table.java @@ -0,0 +1,2314 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class implement a selectable user interface + * object that displays a list of images and strings and issues + * notification when selected. + * <p> + * The item children that may be added to instances of this class + * must be of type <code>TableItem</code>. + * </p><p> + * Style <code>VIRTUAL</code> is used to create a <code>Table</code> whose + * <code>TableItem</code>s are to be populated by the client on an on-demand basis + * instead of up-front. This can provide significant performance improvements for + * tables that are very large or for which <code>TableItem</code> population is + * expensive (for example, retrieving values from an external source). + * </p><p> + * Here is an example of using a <code>Table</code> with style <code>VIRTUAL</code>: + * <code><pre> + * final Table table = new Table (parent, SWT.VIRTUAL | SWT.BORDER); + * table.setItemCount (1000000); + * table.addListener (SWT.SetData, new Listener () { + * public void handleEvent (Event event) { + * TableItem item = (TableItem) event.item; + * int index = table.indexOf (item); + * item.setText ("Item " + index); + * System.out.println (item.getText ()); + * } + * }); + * </pre></code> + * </p><p> + * Note that although this class is a subclass of <code>Composite</code>, + * it does not make sense to add <code>Control</code> children to it, + * or set a layout on it. + * </p><p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>SINGLE, MULTI, CHECK, FULL_SELECTION, HIDE_SELECTION, VIRTUAL</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection, DefaultSelection, SetData, MeasureItem, EraseItem, PaintItem</dd> + * </dl> + * </p><p> + * Note: Only one of the styles SINGLE, and MULTI may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ + +public class Table extends Composite { + int gridViewHandle, parentingHandle; + int columnCount, itemCount; + boolean ignoreSelection; + + static final String CHECKBOX_PART_NAME = "SWT_PART_CHECKBOX"; + static final String IMAGE_PART_NAME = "SWT_PART_IMAGE"; + static final String TEXT_PART_NAME = "SWT_PART_TEXT"; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#SINGLE + * @see SWT#MULTI + * @see SWT#CHECK + * @see SWT#FULL_SELECTION + * @see SWT#HIDE_SELECTION + * @see SWT#VIRTUAL + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Table (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +void _addListener (int eventType, Listener listener) { + super._addListener (eventType, listener); + switch (eventType) { + case SWT.MeasureItem: + case SWT.EraseItem: + case SWT.PaintItem: + //TODO + break; + } +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's selection changes, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * When <code>widgetSelected</code> is called, the item field of the event object is valid. + * If the receiver has <code>SWT.CHECK</code> style set and the check selection changes, + * the event object detail field contains the value <code>SWT.CHECK</code>. + * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. + * The item field of the event object is valid for default selection, but the detail field is not used. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +int backgroundProperty () { + return OS.Control_BackgroundProperty (); +} + +public Point computeSize (int wHint, int hHint, boolean changed) { + checkWidget (); + return super.computeSize (wHint, hHint, changed); +} + +TableItem converterItem (int value) { + int content = OS.IntPtr_ToInt32 (value); + TableItem item; + if (content > 0) { + item = (TableItem) OS.JNIGetObject (content); + } else { + int items = OS.ItemsControl_Items (handle); + item = getItem (items, -content, true); + OS.GCHandle_Free (items); + } + checkData (item); + return item; +} + +int converterColumnIndex (int parameter) { + int columnIndex = 0; + if (parameter != 0) { + TableColumn column = (TableColumn) OS.JNIGetObject (parameter); + columnIndex = indexOf(column); + } + return columnIndex; +} + +int ConvertImage (int value, int targetType, int parameter, int culture) { + TableItem item = converterItem (value); + int columnIndex = converterColumnIndex (parameter); + int result = 0; + if (item.images != null && item.images [columnIndex] != null) { + result = item.images [columnIndex].handle; + } + return result; +} + +int ConvertText (int value, int targetType, int parameter, int culture) { + TableItem item = converterItem (value); + int columnIndex = converterColumnIndex (parameter); + int result = 0; + if (item.strings != null) { + if (item.stringHandle != null && item.stringHandle [columnIndex] != 0) { + result = item.stringHandle [columnIndex]; + } else { + if (item.stringHandle == null) { + int count = Math.max (1, columnCount); + item.stringHandle = new int [count]; + } + item.stringHandle [columnIndex] = result = createDotNetString (item.strings [columnIndex], false); + } + } + return result; +} + +boolean checkData (TableItem item) { + if ((style & SWT.VIRTUAL) == 0) return true; + if (!item.cached) { + item.cached = true; + Event event = new Event (); + event.item = item; + event.index = indexOf (item); + sendEvent (SWT.SetData, event); + //widget could be disposed at this point + if (isDisposed () || item.isDisposed ()) return false; + } + return true; +} + +static int checkStyle (int style) { + /* + * To be compatible with Windows, force the H_SCROLL + * and V_SCROLL style bits. On Windows, it is not + * possible to create a table without scroll bars. + */ + style |= SWT.H_SCROLL | SWT.V_SCROLL; + /* WPF is always FULL_SELECTION */ + style |= SWT.FULL_SELECTION; + return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +/** + * Clears the item at the given zero-relative index in the receiver. + * The text, icon and other attributes of the item are set to the default + * value. If the table was created with the <code>SWT.VIRTUAL</code> style, + * these attributes are requested again as needed. + * + * @param index the index of the item to clear + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT#VIRTUAL + * @see SWT#SetData + * + * @since 3.0 + */ +public void clear (int index) { + checkWidget (); + if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); + int items = OS.ItemsControl_Items (handle); + TableItem item = getItem (items, index, false); + OS.GCHandle_Free (items); + if (item != null) item.clear (); +} + +/** + * Removes the items from the receiver which are between the given + * zero-relative start and end indices (inclusive). The text, icon + * and other attributes of the items are set to their default values. + * If the table was created with the <code>SWT.VIRTUAL</code> style, + * these attributes are requested again as needed. + * + * @param start the start index of the item to clear + * @param end the end index of the item to clear + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT#VIRTUAL + * @see SWT#SetData + * + * @since 3.0 + */ +public void clear (int start, int end) { + checkWidget (); + checkWidget (); + if (start > end) return; + if (!(0 <= start && start <= end && end < itemCount)) { + error (SWT.ERROR_INVALID_RANGE); + } + if (start == 0 && end == itemCount - 1) { + clearAll (); + } else { + int items = OS.ItemsControl_Items (handle); + for (int i=start; i<=end; i++) { + TableItem item = getItem (items, i, false); + if (item != null) item.clear (); + } + OS.GCHandle_Free (items); + } +} + +/** + * Clears the items at the given zero-relative indices in the receiver. + * The text, icon and other attributes of the items are set to their default + * values. If the table was created with the <code>SWT.VIRTUAL</code> style, + * these attributes are requested again as needed. + * + * @param indices the array of indices of the items + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * <li>ERROR_NULL_ARGUMENT - if the indices array is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT#VIRTUAL + * @see SWT#SetData + * + * @since 3.0 + */ +public void clear (int [] indices) { + checkWidget (); + if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); + if (indices.length == 0) return; + for (int i=0; i<indices.length; i++) { + if (!(0 <= indices [i] && indices [i] < itemCount)) { + error (SWT.ERROR_INVALID_RANGE); + } + } + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<indices.length; i++) { + int index = indices [i]; + TableItem item = getItem (items, index, false); + if (item != null) item.clear (); + } + OS.GCHandle_Free (items); +} + +/** + * Clears all the items in the receiver. The text, icon and other + * attributes of the items are set to their default values. If the + * table was created with the <code>SWT.VIRTUAL</code> style, these + * attributes are requested again as needed. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT#VIRTUAL + * @see SWT#SetData + * + * @since 3.0 + */ +public void clearAll () { + checkWidget (); + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TableItem item = getItem (items, i, false); + if (item != null) item.clear (); + } + OS.GCHandle_Free (items); +} + +int createCellTemplate (int columnJniRef, int index) { + int template = OS.gcnew_DataTemplate (); + int stackPanelType = OS.StackPanel_typeid (); + int stackPanelNode = OS.gcnew_FrameworkElementFactory (stackPanelType); + if (index == 0 && (style & SWT.CHECK) != 0) { + int checkBoxType = OS.CheckBox_typeid (); + int checkBoxName = createDotNetString (CHECKBOX_PART_NAME, false); + int checkBoxNode = OS.gcnew_FrameworkElementFactory (checkBoxType, checkBoxName); + int verticalAlignmentProperty = OS.FrameworkElement_VerticalAlignmentProperty (); + OS.FrameworkElementFactory_SetValueVerticalAlignment (checkBoxNode, verticalAlignmentProperty, OS.VerticalAlignment_Center); + int marginProperty = OS.FrameworkElement_MarginProperty (); + int thickness = OS.gcnew_Thickness (0,0,4,0); + OS.FrameworkElementFactory_SetValue (checkBoxNode, marginProperty, thickness); + OS.FrameworkElementFactory_AppendChild (stackPanelNode, checkBoxNode); + +// int checkProperty = OS.ToggleButton_IsCheckedProperty (); +// OS.FrameworkElementFactory_SetBinding (checkBoxNode, checkProperty, binding); +// OS.GCHandle_Free (checkProperty); + + OS.GCHandle_Free (thickness); + OS.GCHandle_Free (marginProperty); + OS.GCHandle_Free (verticalAlignmentProperty); + OS.GCHandle_Free (checkBoxName); + OS.GCHandle_Free (checkBoxNode); + OS.GCHandle_Free (checkBoxType); + } + int textType = OS.TextBlock_typeid (); + int textName = createDotNetString (TEXT_PART_NAME, false); + int textNode = OS.gcnew_FrameworkElementFactory (textType, textName); + int imageType = OS.Image_typeid (); + int imageName = createDotNetString (IMAGE_PART_NAME, false); + int imageNode = OS.gcnew_FrameworkElementFactory (imageType, imageName); + int marginProperty = OS.FrameworkElement_MarginProperty (); + int thickness = OS.gcnew_Thickness (0,0,4,0); + OS.FrameworkElementFactory_SetValue (imageNode, marginProperty, thickness); + int orientationProperty = OS.StackPanel_OrientationProperty (); + OS.FrameworkElementFactory_SetValueOrientation (stackPanelNode, orientationProperty, OS.Orientation_Horizontal); + OS.FrameworkElementFactory_AppendChild (stackPanelNode, imageNode); + OS.FrameworkElementFactory_AppendChild (stackPanelNode, textNode); + OS.FrameworkTemplate_VisualTree (template, stackPanelNode); + + //bindings + int textBinding = OS.gcnew_Binding (); + int textConverter = OS.gcnew_SWTCellConverter (jniRef, "ConvertText"); + OS.Binding_Converter (textBinding, textConverter); + OS.Binding_ConverterParameter (textBinding, columnJniRef); + int textProperty = OS.TextBlock_TextProperty (); + OS.FrameworkElementFactory_SetBinding (textNode, textProperty, textBinding); + int imageBinding = OS.gcnew_Binding (); + int imageConverter = OS.gcnew_SWTCellConverter (jniRef, "ConvertImage"); + OS.Binding_Converter (imageBinding, imageConverter); + OS.Binding_ConverterParameter (imageBinding, columnJniRef); + int imageProperty = OS.Image_SourceProperty (); + OS.FrameworkElementFactory_SetBinding (imageNode, imageProperty, imageBinding); + OS.GCHandle_Free (textBinding); + OS.GCHandle_Free (textConverter); + OS.GCHandle_Free (textProperty); + OS.GCHandle_Free (imageBinding); + OS.GCHandle_Free (imageConverter); + OS.GCHandle_Free (imageProperty); + + OS.GCHandle_Free (marginProperty); + OS.GCHandle_Free (thickness); + OS.GCHandle_Free (stackPanelType); + OS.GCHandle_Free (imageType); + OS.GCHandle_Free (textType); + OS.GCHandle_Free (stackPanelNode); + OS.GCHandle_Free (textName); + OS.GCHandle_Free (textNode); + OS.GCHandle_Free (imageName); + OS.GCHandle_Free (imageNode); + OS.GCHandle_Free (orientationProperty); + return template; +} + +void createDefaultColumn () { + int column = OS.gcnew_GridViewColumn (); + int columnCollection = OS.GridView_Columns (gridViewHandle); + OS.GridViewColumnCollection_Insert (columnCollection, 0, column); + int cellTemplate = createCellTemplate (0, 0); + OS.GridViewColumn_CellTemplate (column, cellTemplate); + OS.GCHandle_Free (columnCollection); + OS.GCHandle_Free (column); + OS.GCHandle_Free (cellTemplate); +} + +void createHandle () { + parentingHandle = OS.gcnew_Canvas (); + if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES); + handle = OS.gcnew_ListView (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + gridViewHandle = OS.gcnew_GridView (); + if (gridViewHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.ListView_View (handle, gridViewHandle); + if ((style & SWT.MULTI) == 0) OS.ListBox_SelectionMode (handle, OS.SelectionMode_Single); + createDefaultColumn (); + setHeaderVisible (false); + OS.Selector_IsSynchronizedWithCurrentItem (handle, true); + OS.GridView_AllowsColumnReorder (gridViewHandle, false); + OS.Canvas_SetLeft (handle, 0); + OS.Canvas_SetTop (handle, 0); + int children = OS.Panel_Children (parentingHandle); + OS.UIElementCollection_Add (children, handle); + OS.GCHandle_Free (children); +} + +int createHeaderTemplate (int columnJniRef) { + int template = OS.gcnew_DataTemplate (); + int stackPanelType = OS.StackPanel_typeid (); + int stackPanelNode = OS.gcnew_FrameworkElementFactory (stackPanelType); + int textType = OS.TextBlock_typeid (); + int textName = createDotNetString(TEXT_PART_NAME, false); + int textNode = OS.gcnew_FrameworkElementFactory (textType, textName); + int imageType = OS.Image_typeid (); + int imageName = createDotNetString(IMAGE_PART_NAME, false); + int imageNode = OS.gcnew_FrameworkElementFactory (imageType, imageName); + int marginProperty = OS.FrameworkElement_MarginProperty (); + int thickness = OS.gcnew_Thickness (0,0,4,0); + OS.FrameworkElementFactory_SetValue (imageNode, marginProperty, thickness); + int orientationProperty = OS.StackPanel_OrientationProperty (); + OS.FrameworkElementFactory_SetValueOrientation (stackPanelNode, orientationProperty, OS.Orientation_Horizontal); + OS.FrameworkElementFactory_AppendChild (stackPanelNode, imageNode); + OS.FrameworkElementFactory_AppendChild (stackPanelNode, textNode); + OS.FrameworkTemplate_VisualTree (template, stackPanelNode); + //bindings + int textBinding = OS.gcnew_Binding (); + int textConverter = OS.gcnew_SWTCellConverter (columnJniRef, "ConvertText"); + OS.Binding_Converter (textBinding, textConverter); + OS.Binding_ConverterParameter (textBinding, columnJniRef); + int textProperty = OS.TextBlock_TextProperty (); + OS.FrameworkElementFactory_SetBinding (textNode, textProperty, textBinding); + int imageBinding = OS.gcnew_Binding (); + int imageConverter = OS.gcnew_SWTCellConverter (columnJniRef, "ConvertImage"); + OS.Binding_Converter (imageBinding, imageConverter); + OS.Binding_ConverterParameter (imageBinding, columnJniRef); + int imageProperty = OS.Image_SourceProperty (); + OS.FrameworkElementFactory_SetBinding (imageNode, imageProperty, imageBinding); + OS.GCHandle_Free (textBinding); + OS.GCHandle_Free (textConverter); + OS.GCHandle_Free (textProperty); + OS.GCHandle_Free (imageBinding); + OS.GCHandle_Free (imageConverter); + OS.GCHandle_Free (imageProperty); + + OS.GCHandle_Free (imageType); + OS.GCHandle_Free (imageName); + OS.GCHandle_Free (marginProperty); + OS.GCHandle_Free (thickness); + OS.GCHandle_Free (textType); + OS.GCHandle_Free (textName); + OS.GCHandle_Free (stackPanelType); + OS.GCHandle_Free (stackPanelNode); + OS.GCHandle_Free (textNode); + OS.GCHandle_Free (imageNode); + OS.GCHandle_Free (orientationProperty); + return template; +} + +void createItem (TableColumn column, int index) { + if (index == -1) index = columnCount; + if (!(0 <= index && index <= columnCount)) error (SWT.ERROR_INVALID_RANGE); + column.createWidget (); + int template = createHeaderTemplate(column.jniRef); + OS.GridViewColumn_HeaderTemplate (column.handle, template); + OS.GCHandle_Free (template); + template = createCellTemplate (column.jniRef, index); + OS.GridViewColumn_CellTemplate (column.handle, template); + OS.GCHandle_Free (template); + int columns = OS.GridView_Columns (gridViewHandle); + if (columnCount == 0) OS.GridViewColumnCollection_Clear (columns); + OS.GridViewColumnCollection_Insert (columns, index, column.handle); + OS.GCHandle_Free (columns); + // When columnCount is 0, a "default column" is created in + // the WPF control, therefore there is no need to manipulate + // the item's array the first time a TableColumn is created + // because the number of columns in the OS control is still one. + if (columnCount != 0) { + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TableItem item = getItem (items, i, false); + if (item != null) { + String [] strings = item.strings; + if (strings != null) { + String [] temp = new String [columnCount + 1]; + System.arraycopy (strings, 0, temp, 0, index); + System.arraycopy (strings, index, temp, index + 1, columnCount - index); + item.strings = temp; + } + int [] stringHandle = item.stringHandle; + if (stringHandle != null) { + int [] temp = new int [columnCount + 1]; + System.arraycopy (stringHandle, 0, temp, 0, index); + System.arraycopy (stringHandle, index, temp, index + 1, columnCount - index); + item.stringHandle = temp; + } + Image [] images = item.images; + if (images != null) { + Image [] temp = new Image [columnCount + 1]; + System.arraycopy (images, 0, temp, 0, index); + System.arraycopy (images, index, temp, index + 1, columnCount - index); + item.images = temp; + } + } + OS.GCHandle_Free (items); + } + } + columnCount++; +} + +void createItem (TableItem item, int index) { + if (index == -1) index = itemCount; + if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); + item.createWidget (); + int items = OS.ItemsControl_Items (handle); + OS.ItemCollection_Insert (items, index, item.handle); + int count = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); + if (itemCount == count) error (SWT.ERROR_ITEM_NOT_ADDED); + itemCount++; +} + +void deregister () { + super.deregister (); + display.removeWidget (parentingHandle); +} + +/** + * Deselects the items at the given zero-relative indices in the receiver. + * If the item at the given zero-relative index in the receiver + * is selected, it is deselected. If the item at the index + * was not selected, it remains deselected. Indices that are out + * of range and duplicate indices are ignored. + * + * @param indices the array of indices for the items to deselect + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the set of indices is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void deselect (int [] indices) { + checkWidget (); + if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); + if (indices.length == 0) return; + int items = OS.ItemsControl_Items (handle); + ignoreSelection = true; + for (int i=0; i<indices.length; i++) { + if (!(0 <= indices[i] && indices[i] < itemCount)) continue; + int item = OS.ItemCollection_GetItemAt (items, i); + OS.ListBoxItem_IsSelected (item, false); + OS.GCHandle_Free (item); + } + ignoreSelection = false; + OS.GCHandle_Free (items); +} + +/** + * Deselects the item at the given zero-relative index in the receiver. + * If the item at the index was already deselected, it remains + * deselected. Indices that are out of range are ignored. + * + * @param index the index of the item to deselect + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void deselect (int index) { + checkWidget (); + if (!(0 <= index && index < itemCount)) return; + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, index); + ignoreSelection = true; + OS.ListBoxItem_IsSelected (item, false); + ignoreSelection = false; + OS.GCHandle_Free (item); + OS.GCHandle_Free (items); +} + +/** + * Deselects the items at the given zero-relative indices in the receiver. + * If the item at the given zero-relative index in the receiver + * is selected, it is deselected. If the item at the index + * was not selected, it remains deselected. The range of the + * indices is inclusive. Indices that are out of range are ignored. + * + * @param start the start index of the items to deselect + * @param end the end index of the items to deselect + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void deselect (int start, int end) { + checkWidget (); + if (start <= 0 && end >= itemCount - 1) { + deselectAll (); + } else { + start = Math.max (0, start); + end = Math.min (end, itemCount - 1); + int items = OS.ItemsControl_Items (handle); + ignoreSelection = true; + for (int i=start; i<=end; i++) { + int item = OS.ItemCollection_GetItemAt (items, i); + OS.ListBoxItem_IsSelected (item, false); + OS.GCHandle_Free (item); + } + ignoreSelection = false; + OS.GCHandle_Free (items); + } +} + +/** + * Deselects all selected items in the receiver. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void deselectAll () { + checkWidget (); + ignoreSelection = true; + OS.ListBox_UnselectAll(handle); + ignoreSelection = false; +} + +void destroyItem (TableColumn column) { + int columns = OS.GridView_Columns (gridViewHandle); + int index = OS.GridViewColumnCollection_IndexOf (columns, column.handle); + boolean removed = OS.GridViewColumnCollection_Remove (columns, column.handle); + OS.GCHandle_Free (columns); + if (!removed) error (SWT.ERROR_ITEM_NOT_REMOVED); + columnCount--; + if (columnCount == 0) { + createDefaultColumn (); + } + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TableItem item = getItem (items, i, false); + if (item != null) { + String [] strings = item.strings; + if (strings != null) { + String [] temp = new String [columnCount]; + System.arraycopy (strings, 0, temp, 0, index); + System.arraycopy (strings, index + 1, temp, index, columnCount - index); + item.strings = temp; + } + int [] stringHandle = item.stringHandle; + if (stringHandle != null) { + int [] temp = new int [columnCount]; + System.arraycopy (stringHandle, 0, temp, 0, index); + System.arraycopy (stringHandle, index + 1, temp, index, columnCount - index); + if (stringHandle [index] != 0) OS.GCHandle_Free (stringHandle [index]); + item.stringHandle = temp; + } + Image [] images = item.images; + if (images != null) { + Image [] temp = new Image [columnCount]; + System.arraycopy (images, 0, temp, 0, index); + System.arraycopy (images, index + 1, temp, index, columnCount - index); + item.images = temp; + } + } + } + OS.GCHandle_Free (items); +} + +void destroyItem (TableItem item) { + int items = OS.ItemsControl_Items (handle); + OS.ItemCollection_Remove (items, item.handle); + int count = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); + if (itemCount == count) error (SWT.ERROR_ITEM_NOT_REMOVED); + itemCount--; +} + +/** + * Returns the column at the given, zero-relative index in the + * receiver. Throws an exception if the index is out of range. + * Columns are returned in the order that they were created. + * If no <code>TableColumn</code>s were created by the programmer, + * this method will throw <code>ERROR_INVALID_RANGE</code> despite + * the fact that a single column of data may be visible in the table. + * This occurs when the programmer uses the table like a list, adding + * items but never creating a column. + * + * @param index the index of the column to return + * @return the column at the given index + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#getColumnOrder() + * @see Table#setColumnOrder(int[]) + * @see TableColumn#getMoveable() + * @see TableColumn#setMoveable(boolean) + * @see SWT#Move + */ +public TableColumn getColumn (int index) { + checkWidget (); + if (!(0 <= index && index < columnCount)) error (SWT.ERROR_INVALID_RANGE); + int columns = OS.GridView_Columns (gridViewHandle); + TableColumn column = getColumn (columns, index); + OS.GCHandle_Free (columns); + return column; +} + +TableColumn getColumn (int columns, int index) { + int gridColumn = OS.GridViewColumnCollection_default (columns, index); + int header = OS.GridViewColumn_Header (gridColumn); + int content = OS.ContentControl_Content(header); + TableColumn column = (TableColumn)OS.JNIGetObject (OS.IntPtr_ToInt32(content)); + OS.GCHandle_Free (gridColumn); + OS.GCHandle_Free (header); + OS.GCHandle_Free (content); + return column; +} + +void updateMoveable () { + int columns = OS.GridView_Columns (gridViewHandle); + boolean moveable = true; + for (int i = 0; moveable && i < columnCount; i++) { + TableColumn column = getColumn (columns, i); + if (!column.moveable) moveable = false; + } + OS.GCHandle_Free (columns); + OS.GridView_AllowsColumnReorder (gridViewHandle, moveable); +} + +/** + * Returns the number of columns contained in the receiver. + * If no <code>TableColumn</code>s were created by the programmer, + * this value is zero, despite the fact that visually, one column + * of items may be visible. This occurs when the programmer uses + * the table like a list, adding items but never creating a column. + * + * @return the number of columns + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getColumnCount () { + checkWidget (); + return columnCount; +} + +/** + * Returns an array of zero-relative integers that map + * the creation order of the receiver's items to the + * order in which they are currently being displayed. + * <p> + * Specifically, the indices of the returned array represent + * the current visual order of the items, and the contents + * of the array represent the creation order of the items. + * </p><p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the current visual order of the receiver's items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#setColumnOrder(int[]) + * @see TableColumn#getMoveable() + * @see TableColumn#setMoveable(boolean) + * @see SWT#Move + * + * @since 3.1 + */ +public int[] getColumnOrder () { + checkWidget (); + //TODO + int [] order = new int [columnCount]; + for (int i=0; i<order.length; i++) order [i] = i; + return order; +} + +/** + * Returns an array of <code>TableColumn</code>s which are the + * columns in the receiver. Columns are returned in the order + * that they were created. If no <code>TableColumn</code>s were + * created by the programmer, the array is empty, despite the fact + * that visually, one column of items may be visible. This occurs + * when the programmer uses the table like a list, adding items but + * never creating a column. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the items in the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#getColumnOrder() + * @see Table#setColumnOrder(int[]) + * @see TableColumn#getMoveable() + * @see TableColumn#setMoveable(boolean) + * @see SWT#Move + */ +public TableColumn [] getColumns () { + checkWidget (); + TableColumn [] result = new TableColumn [columnCount]; + int columns = OS.GridView_Columns (gridViewHandle); + for (int i = 0; i < result.length; i++) { + result[i] = getColumn (columns, i); + } + OS.GCHandle_Free (columns); + return result; +} + +int getFocusIndex () { +// checkWidget (); + int itemCollection = OS.ItemsControl_Items (handle); + int index = OS.ItemCollection_CurrentPosition (itemCollection); + OS.GCHandle_Free (itemCollection); + return index; +} + +/** + * Returns the width in pixels of a grid line. + * + * @return the width of a grid line in pixels + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getGridLineWidth () { + checkWidget (); + return 0; //FIXME: No grid lines yet +} + +/** + * Returns the height of the receiver's header + * + * @return the height of the header or zero if the header is not visible + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + */ +public int getHeaderHeight () { + checkWidget (); + // TODO + return -1; +} + +/** + * Returns <code>true</code> if the receiver's header is visible, + * and <code>false</code> otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, this method + * may still indicate that it is considered visible even though + * it may not actually be showing. + * </p> + * + * @return the receiver's header's visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getHeaderVisible () { + checkWidget (); + //TODO + return true; +} + +/** + * Returns the item at the given, zero-relative index in the + * receiver. Throws an exception if the index is out of range. + * + * @param index the index of the item to return + * @return the item at the given index + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TableItem getItem (int index) { + checkWidget (); + if (!(0 <= index && index < itemCount)) error (SWT.ERROR_INVALID_RANGE); + int items = OS.ItemsControl_Items (handle); + TableItem item = getItem (items, index, true); + OS.GCHandle_Free (items); + return item; +} + +TableItem getItem (int items, int index, boolean create) { + int item = OS.ItemCollection_GetItemAt (items, index); + int content = OS.ContentControl_Content (item); + int contentValue = OS.IntPtr_ToInt32 (content); + TableItem result = null; + if (contentValue > 0 ) { + result = (TableItem) OS.JNIGetObject (contentValue); + OS.GCHandle_Free (item); + } else { + if (create) { + result = new TableItem (this, SWT.NONE, 0, item); + } else { + OS.GCHandle_Free (item); + } + } + OS.GCHandle_Free (content); + return result; +} + +/** + * Returns the item at the given point in the receiver + * or null if no such item exists. The point is in the + * coordinate system of the receiver. + * <p> + * The item that is returned represents an item that could be selected by the user. + * For example, if selection only occurs in items in the first column, then null is + * returned if the point is outside of the item. + * Note that the SWT.FULL_SELECTION style hint, which specifies the selection policy, + * determines the extent of the selection. + * </p> + * + * @param point the point used to locate the item + * @return the item at the given point, or null if the point is not in a selectable item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TableItem getItem (Point point) { + checkWidget (); + if (point == null) error (SWT.ERROR_NULL_ARGUMENT); + int pt = OS.gcnew_Point (point.x, point.y); + int input = OS.UIElement_InputHitTest (handle, pt); + Widget widget = display.getWidget (input); + OS.GCHandle_Free (input); + OS.GCHandle_Free (pt); + if (widget == this) return null; + return (TableItem) widget; +} + +/** + * Returns the number of items contained in the receiver. + * + * @return the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemCount () { + checkWidget (); + return itemCount; +} + +/** + * Returns the height of the area which would be used to + * display <em>one</em> of the items in the receiver's. + * + * @return the height of one item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemHeight () { + checkWidget (); + //FIXME what is the default size? + if (itemCount == 0) return 16; + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, 0); + double height = OS.FrameworkElement_ActualHeight (item); + OS.GCHandle_Free (item); + OS.GCHandle_Free (items); + return (int) height; +} + +/** + * Returns a (possibly empty) array of <code>TableItem</code>s which + * are the items in the receiver. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the items in the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TableItem [] getItems () { + checkWidget (); + TableItem [] result = new TableItem [itemCount]; + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + result [i] = getItem (items, i, true); + } + OS.GCHandle_Free (items); + return result; +} + +/** + * Returns <code>true</code> if the receiver's lines are visible, + * and <code>false</code> otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, this method + * may still indicate that it is considered visible even though + * it may not actually be showing. + * </p> + * + * @return the visibility state of the lines + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getLinesVisible () { + checkWidget (); + //TODO + return false; +} + +/** + * Returns an array of <code>TableItem</code>s that are currently + * selected in the receiver. The order of the items is unspecified. + * An empty array indicates that no items are selected. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its selection, so modifying the array will + * not affect the receiver. + * </p> + * @return an array representing the selection + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TableItem [] getSelection () { + checkWidget (); + int selected = OS.ListBox_SelectedItems (handle); + int enumerator = OS.IList_GetEnumerator (selected); + int count = OS.ICollection_Count (selected); + TableItem [] result = new TableItem [count]; + int index = 0; + while (OS.IEnumerator_MoveNext (enumerator)) { + int item = OS.IEnumerator_Current (enumerator); + result [index++] = (TableItem)display.getWidget (item); + OS.GCHandle_Free (item); + } + OS.GCHandle_Free (enumerator); + OS.GCHandle_Free (selected); + return result; +} + +/** + * Returns the number of selected items contained in the receiver. + * + * @return the number of selected items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelectionCount () { + checkWidget (); + int selected = OS.ListBox_SelectedItems (handle); + int count = OS.ICollection_Count (selected); + OS.GCHandle_Free (selected); + return count; +} + +/** + * Returns the zero-relative index of the item which is currently + * selected in the receiver, or -1 if no item is selected. + * + * @return the index of the selected item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelectionIndex () { + checkWidget (); + return OS.Selector_SelectedIndex (handle); +} + +/** + * Returns the zero-relative indices of the items which are currently + * selected in the receiver. The order of the indices is unspecified. + * The array is empty if no items are selected. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its selection, so modifying the array will + * not affect the receiver. + * </p> + * @return the array of indices of the selected items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int [] getSelectionIndices () { + checkWidget (); + int itemCollection = OS.ItemsControl_Items (handle); + int list = OS.ListBox_SelectedItems (handle); + int enumerator = OS.IList_GetEnumerator (list); + int count = OS.ICollection_Count (list); + int [] indices = new int [count]; + int index = 0; + while (OS.IEnumerator_MoveNext (enumerator)) { + int item = OS.IEnumerator_Current (enumerator); + indices [index++] = OS.ItemCollection_IndexOf (itemCollection, item); + OS.GCHandle_Free (item); + } + OS.GCHandle_Free (enumerator); + OS.GCHandle_Free (list); + OS.GCHandle_Free (itemCollection); + return indices; +} + +/** + * Returns the column which shows the sort indicator for + * the receiver. The value may be null if no column shows + * the sort indicator. + * + * @return the sort indicator + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setSortColumn(TableColumn) + * + * @since 3.2 + */ +public TableColumn getSortColumn () { + checkWidget (); + //TODO + return null; +} + +/** + * Returns the direction of the sort indicator for the receiver. + * The value will be one of <code>UP</code>, <code>DOWN</code> + * or <code>NONE</code>. + * + * @return the sort direction + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setSortDirection(int) + * + * @since 3.2 + */ +public int getSortDirection () { + checkWidget (); + //TODO + return -1; +} + +/** + * Returns the zero-relative index of the item which is currently + * at the top of the receiver. This index can change when items are + * scrolled or new items are added or removed. + * + * @return the index of the top item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getTopIndex () { + checkWidget (); + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, 0); + OS.GCHandle_Free (items); + int virtualizingStackPanel = OS.VisualTreeHelper_GetParent (item); + OS.GCHandle_Free (item); + int topIndex = 0; + if (virtualizingStackPanel != 0) { + topIndex = (int) OS.VirtualizingStackPanel_VerticalOffset (virtualizingStackPanel); + OS.GCHandle_Free (virtualizingStackPanel); + } + return topIndex; +} + +boolean hasItems () { + return true; +} + +void HandleChecked (int sender, int e) { + if (!checkEvent (e)) return; + if (ignoreSelection) return; + int source = OS.RoutedEventArgs_Source (e); + TableItem item = (TableItem) display.getWidget (source); + OS.GCHandle_Free (source); + if (item.grayed) { + int checkbox = item.findPart (0, CHECKBOX_PART_NAME); + if (checkbox != 0) { + OS.ToggleButton_IsCheckedNullSetter (checkbox); + OS.GCHandle_Free (checkbox); + } + } + item.checked = true; + Event event = new Event (); + event.item = item; + event.detail = SWT.CHECK; + sendEvent (SWT.Selection, event); +} + +void HandleIndeterminate (int sender, int e) { + if (!checkEvent (e)) return; + int source = OS.RoutedEventArgs_Source (e); + TableItem item = (TableItem) display.getWidget (source); + OS.GCHandle_Free (source); + if (!item.grayed) { + int checkbox = item.findPart (0, CHECKBOX_PART_NAME); + if (checkbox != 0) { + OS.ToggleButton_IsChecked (checkbox, false); + OS.GCHandle_Free (checkbox); + } + } +} + +void HandleKeyDown (int sender, int e) { + if (!checkEvent (e)) return; + super.HandleKeyDown (sender, e); + int key = OS.KeyEventArgs_Key (e); + if (key == OS.Key_Return) { + int source = OS.RoutedEventArgs_OriginalSource (e); + Widget widget = display.getWidget (source); + OS.GCHandle_Free (source); + if (widget == this || widget == null) return; + TableItem item = (TableItem)widget; + Event event = new Event (); + event.item = item; + postEvent (SWT.DefaultSelection, event); + } +} + +void HandleMouseDoubleClick (int sender, int e) { + if (!checkEvent (e)) return; + int source = OS.RoutedEventArgs_OriginalSource (e); + Widget widget = display.getWidget (source); + OS.GCHandle_Free (source); + if (widget == this || widget == null) return; + TableItem item = (TableItem)widget; + Event event = new Event (); + event.item = item; + postEvent (SWT.DefaultSelection, event); +} + +void HandleSelectionChanged (int sender, int e) { + if (!checkEvent (e)) return; + if (ignoreSelection) return; + int item = 0; + int list = OS.SelectionChangedEventArgs_AddedItems (e); + if (list != 0) { + int count = OS.ICollection_Count (list); + if (count > 0) item = OS.IList_default (list, count - 1); + } + OS.GCHandle_Free (list); + if (item == 0) { + list = OS.SelectionChangedEventArgs_RemovedItems (e); + int count = OS.ICollection_Count (list); + if (count > 0) item = OS.IList_default (list, count - 1); + OS.GCHandle_Free (list); + } + if (item != 0) { + TableItem result = (TableItem)display.getWidget (item); + OS.GCHandle_Free (item); + if (result != null) { + Event event = new Event (); + event.item = result; + postEvent (SWT.Selection, event); + } + } +} + +void HandleUnchecked (int sender, int e) { + if (!checkEvent (e)) return; + if (ignoreSelection) return; + int source = OS.RoutedEventArgs_Source (e); + TableItem item = (TableItem) display.getWidget (source); + OS.GCHandle_Free (source); + item.checked = false; + Event event = new Event (); + event.item = item; + event.detail = SWT.CHECK; + sendEvent (SWT.Selection, event); +} + +void hookEvents () { + super.hookEvents (); + int handler = OS.gcnew_SelectionChangedEventHandler (jniRef, "HandleSelectionChanged"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.Selector_SelectionChanged (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_MouseButtonEventHandler (jniRef, "HandleMouseDoubleClick"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.Control_MouseDoubleClick (handle, handler); + OS.GCHandle_Free (handler); + if ((style & SWT.CHECK) != 0) { + /* Item events */ + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleChecked"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + int event = OS.ToggleButton_CheckedEvent (); + OS.UIElement_AddHandler (handle, event, handler); + OS.GCHandle_Free (event); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleUnchecked"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + event = OS.ToggleButton_UncheckedEvent (); + OS.UIElement_AddHandler (handle, event, handler); + OS.GCHandle_Free (event); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleIndeterminate"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + event = OS.ToggleButton_IndeterminateEvent (); + OS.UIElement_AddHandler (handle, event, handler); + OS.GCHandle_Free (event); + OS.GCHandle_Free (handler); + } +} + +/** + * Searches the receiver's list starting at the first column + * (index 0) until a column is found that is equal to the + * argument, and returns the index of that column. If no column + * is found, returns -1. + * + * @param column the search column + * @return the index of the column + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (TableColumn column) { + checkWidget (); + if (column == null) error (SWT.ERROR_NULL_ARGUMENT); + int columns = OS.GridView_Columns (gridViewHandle); + int index = OS.GridViewColumnCollection_IndexOf (columns, column.handle); + OS.GCHandle_Free (columns); + return index; +} + +/** + * Searches the receiver's list starting at the first item + * (index 0) until an item is found that is equal to the + * argument, and returns the index of that item. If no item + * is found, returns -1. + * + * @param item the search item + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (TableItem item) { + checkWidget (); + if (item == null) error (SWT.ERROR_NULL_ARGUMENT); + int items = OS.ItemsControl_Items(handle); + int index = OS.ItemCollection_IndexOf(items, item.handle); + OS.GCHandle_Free (items); + return index; +} + +/** + * Returns <code>true</code> if the item is selected, + * and <code>false</code> otherwise. Indices out of + * range are ignored. + * + * @param index the index of the item + * @return the visibility state of the item at the index + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean isSelected (int index) { + checkWidget (); + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, index); + boolean result = OS.ListBoxItem_IsSelected (item); + OS.GCHandle_Free (item); + OS.GCHandle_Free (items); + return result; +} + +int parentingHandle () { + return parentingHandle; +} + +void register() { + super.register(); + display.addWidget (parentingHandle, this); +} + +void releaseChildren (boolean destroy) { + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TableItem item = getItem (items, i, false); + if (item != null && !item.isDisposed ()) item.release (false); + } + OS.GCHandle_Free (items); + int columns = OS.GridView_Columns (gridViewHandle); + for (int i=0; i<columnCount; i++) { + TableColumn column = getColumn(columns, i); + if (!column.isDisposed ()) column.release (false); + } + OS.GCHandle_Free (columns); + super.releaseChildren (destroy); +} + +void releaseHandle () { + super.releaseHandle (); + OS.GCHandle_Free (gridViewHandle); + gridViewHandle = 0; + OS.GCHandle_Free (parentingHandle); + parentingHandle = 0; +} + +/** + * Removes the items from the receiver's list at the given + * zero-relative indices. + * + * @param indices the array of indices of the items + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * <li>ERROR_NULL_ARGUMENT - if the indices array is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (int [] indices) { + checkWidget (); + if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); + if (indices.length == 0) return; + int [] newIndices = new int [indices.length]; + System.arraycopy (indices, 0, newIndices, 0, indices.length); + sort (newIndices); + int start = newIndices [newIndices.length - 1], end = newIndices [0]; + if (!(0 <= start && start <= end && end < itemCount)) { + error (SWT.ERROR_INVALID_RANGE); + } + int items = OS.ItemsControl_Items (handle); + for (int i = newIndices.length-1; i >= 0; i--) { + OS.ItemCollection_RemoveAt (items, indices [i]); + } + itemCount = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); +} + +/** + * Removes the item from the receiver at the given + * zero-relative index. + * + * @param index the index for the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (int index) { + checkWidget (); + if (!(0 <= index && index < itemCount)) return; + int items = OS.ItemsControl_Items (handle); + OS.ItemCollection_RemoveAt (items, index); + itemCount = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); +} + +/** + * Removes the items from the receiver which are + * between the given zero-relative start and end + * indices (inclusive). + * + * @param start the start of the range + * @param end the end of the range + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void remove (int start, int end) { + checkWidget (); + if (start > end) return; + if (!(0 <= start && start <= end && end < itemCount)) error (SWT.ERROR_INVALID_RANGE); + if (start == 0 && end == itemCount - 1) { + removeAll (); + return; + } + int items = OS.ItemsControl_Items (handle); + for (int i = end; i >= start; i--) { + OS.ItemCollection_RemoveAt (items, i); + } + itemCount = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); +} + +/** + * Removes all of the items from the receiver. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void removeAll () { + checkWidget (); + int items = OS.ItemsControl_Items (handle); + for (int i = 0; i < itemCount; i++) { + TableItem item = getItem (items, i, false); + if (item != null && !item.isDisposed ()) item.release (false); + } + OS.ItemCollection_Clear (items); + itemCount = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's selection changes. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener(SelectionListener) + */ +public void removeSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Selects the items at the given zero-relative indices in the receiver. + * The current selection is not cleared before the new items are selected. + * <p> + * If the item at a given index is not selected, it is selected. + * If the item at a given index was already selected, it remains selected. + * Indices that are out of range and duplicate indices are ignored. + * If the receiver is single-select and multiple indices are specified, + * then all indices are ignored. + * </p> + * + * @param indices the array of indices for the items to select + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#setSelection(int[]) + */ +public void select (int [] indices) { + checkWidget (); + if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); + int length = indices.length; + if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; + ignoreSelection = true; + int items = OS.ItemsControl_Items (handle); + for (int i = 0; i < indices.length; i++) { + if (!(0 <= indices[i] && indices[i] < itemCount)) continue; + int item = OS.ItemCollection_GetItemAt (items, indices[i]); + OS.ListBoxItem_IsSelected (item, true); + OS.GCHandle_Free (item); + } + OS.GCHandle_Free (items); + ignoreSelection = false; +} + +/** + * Selects the item at the given zero-relative index in the receiver. + * If the item at the index was already selected, it remains + * selected. Indices that are out of range are ignored. + * + * @param index the index of the item to select + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void select (int index) { + checkWidget (); + if (!(0 <= index && index < itemCount)) return; + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, index); + ignoreSelection = true; + OS.ListBoxItem_IsSelected (item, true); + ignoreSelection = false; + OS.GCHandle_Free (item); + OS.GCHandle_Free (items); +} + +/** + * Selects the items in the range specified by the given zero-relative + * indices in the receiver. The range of indices is inclusive. + * The current selection is not cleared before the new items are selected. + * <p> + * If an item in the given range is not selected, it is selected. + * If an item in the given range was already selected, it remains selected. + * Indices that are out of range are ignored and no items will be selected + * if start is greater than end. + * If the receiver is single-select and there is more than one item in the + * given range, then all indices are ignored. + * </p> + * + * @param start the start of the range + * @param end the end of the range + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#setSelection(int,int) + */ +public void select (int start, int end) { + checkWidget (); + if (start <= 0 && end >= itemCount - 1) { + deselectAll (); + } else { + start = Math.max (0, start); + end = Math.min (end, itemCount - 1); + int items = OS.ItemsControl_Items (handle); + ignoreSelection = true; + for (int i=start; i<=end; i++) { + int item = OS.ItemCollection_GetItemAt (items, i); + OS.ListBoxItem_IsSelected (item, true); + OS.GCHandle_Free (item); + } + ignoreSelection = false; + OS.GCHandle_Free (items); + } +} + +/** + * Selects all of the items in the receiver. + * <p> + * If the receiver is single-select, do nothing. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void selectAll () { + checkWidget (); + if ((style & SWT.SINGLE) != 0) return; + ignoreSelection = true; + OS.ListBox_SelectAll (handle); + ignoreSelection = false; +} + +int setBounds (int x, int y, int width, int height, int flags) { + int result = super.setBounds (x, y, width, height, flags); + if ((result & RESIZED) != 0) { + if (columnCount == 0) { + int columns = OS.GridView_Columns (gridViewHandle); + int column = OS.GridViewColumnCollection_default (columns, 0); + OS.GridViewColumn_Width (column, width); + OS.GCHandle_Free (column); + OS.GCHandle_Free (columns); + } + OS.FrameworkElement_Width (handle, width); + OS.FrameworkElement_Height (handle, height); + } + return result; +} + +/** + * Sets the order that the items in the receiver should + * be displayed in to the given argument which is described + * in terms of the zero-relative ordering of when the items + * were added. + * + * @param order the new order to display the items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the item order is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the item order is not the same length as the number of items</li> + * </ul> + * + * @see Table#getColumnOrder() + * @see TableColumn#getMoveable() + * @see TableColumn#setMoveable(boolean) + * @see SWT#Move + * + * @since 3.1 + */ +public void setColumnOrder (int [] order) { + checkWidget (); + if (order == null) error (SWT.ERROR_NULL_ARGUMENT); + //TODO +} + +void setForegroundBrush (int brush) { + if (brush != 0) { + OS.Control_Foreground (handle, brush); + } else { + int property = OS.Control_ForegroundProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + } +} + +/** + * Marks the receiver's header as visible if the argument is <code>true</code>, + * and marks it invisible otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, marking + * it visible may not actually cause it to be displayed. + * </p> + * + * @param show the new visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setHeaderVisible (boolean show) { + checkWidget (); + int style = 0; + if (!show) { + style = OS.gcnew_Style (); + int dp = OS.FrameworkElement_VisibilityProperty (); + int setter = OS.gcnew_Setter (dp, OS.Visibility_Collapsed); + int collection = OS.Style_Setters (style); + OS.SetterBaseCollection_Add (collection, setter); + OS.GCHandle_Free (collection); + OS.GCHandle_Free (setter); + OS.GCHandle_Free (dp); + } + OS.GridView_ColumnHeaderContainerStyle (gridViewHandle, style); + if (style != 0) OS.GCHandle_Free (style); +} + +/** + * Sets the number of items contained in the receiver. + * + * @param count the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setItemCount (int count) { + checkWidget (); + count = Math.max (0, count); + if (count == itemCount) return; + int index = count; + int items = OS.ItemsControl_Items (handle); + while (index < itemCount) { + TableItem item = getItem (items, index, false); + if (item != null) { + if (!item.isDisposed()) item.release (false); + } else { + OS.ItemCollection_RemoveAt (items, index); + } + index++; + } + if (OS.ItemCollection_Count (items) > count) error (SWT.ERROR_ITEM_NOT_REMOVED); + if ((style & SWT.VIRTUAL) != 0) { + for (int i=itemCount; i<count; i++) { + int item = OS.gcnew_ListViewItem (); + if (item == 0) error (SWT.ERROR_NO_HANDLES); + int content = OS.gcnew_IntPtr (-i); + OS.ContentControl_Content (item, content); + OS.ItemCollection_Add (items, item); + OS.GCHandle_Free (content); + OS.GCHandle_Free (item); + } + } else { + for (int i=itemCount; i<count; i++) { + new TableItem (this, SWT.NONE, i); + } + } + itemCount = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); + if (itemCount != count) error (SWT.ERROR_ITEM_NOT_ADDED); +} + +/** + * Sets the height of the area which would be used to + * display <em>one</em> of the items in the table. + * + * @return the height of one item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +/*public*/ void setItemHeight (int itemHeight) { + checkWidget (); +} + +/** + * Marks the receiver's lines as visible if the argument is <code>true</code>, + * and marks it invisible otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, marking + * it visible may not actually cause it to be displayed. + * </p> + * + * @param show the new visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setLinesVisible (boolean show) { + checkWidget (); + //TODO +} + +/** + * Selects the items at the given zero-relative indices in the receiver. + * The current selection is cleared before the new items are selected. + * <p> + * Indices that are out of range and duplicate indices are ignored. + * If the receiver is single-select and multiple indices are specified, + * then all indices are ignored. + * </p> + * + * @param indices the indices of the items to select + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#deselectAll() + * @see Table#select(int[]) + */ +public void setSelection (int [] indices) { + checkWidget (); + if (indices == null) error (SWT.ERROR_NULL_ARGUMENT); + deselectAll (); + int length = indices.length; + if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; + select (indices); + //TODO +// int focusIndex = indices [0]; +// if (focusIndex != -1) setFocusIndex (focusIndex); + showSelection (); +} + +/** + * Sets the receiver's selection to the given item. + * The current selection is cleared before the new item is selected. + * <p> + * If the item is not in the receiver, then it is ignored. + * </p> + * + * @param item the item to select + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the item is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setSelection (TableItem item) { + checkWidget (); + if (item == null) error (SWT.ERROR_NULL_ARGUMENT); + setSelection (new TableItem [] {item}); +} + +/** + * Sets the receiver's selection to be the given array of items. + * The current selection is cleared before the new items are selected. + * <p> + * Items that are not in the receiver are ignored. + * If the receiver is single-select and multiple items are specified, + * then all items are ignored. + * </p> + * + * @param items the array of items + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the array of items is null</li> + * <li>ERROR_INVALID_ARGUMENT - if one of the items has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#deselectAll() + * @see Table#select(int[]) + * @see Table#setSelection(int[]) + */ +public void setSelection (TableItem [] items) { + checkWidget (); + if (items == null) error (SWT.ERROR_NULL_ARGUMENT); + deselectAll (); + int length = items.length; + if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return; + for (int i=length-1; i>=0; --i) { + int index = indexOf (items [i]); + if (index != -1) { + select (index); + } + } + //TODO +// if (focusIndex != -1) setFocusIndex (focusIndex); + showSelection (); +} + +/** + * Selects the item at the given zero-relative index in the receiver. + * The current selection is first cleared, then the new item is selected. + * + * @param index the index of the item to select + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#deselectAll() + * @see Table#select(int) + */ +public void setSelection (int index) { + checkWidget (); + deselectAll (); + select (index); + //TODO +// if (index != -1) setFocusIndex (index); + showSelection (); +} + +/** + * Selects the items in the range specified by the given zero-relative + * indices in the receiver. The range of indices is inclusive. + * The current selection is cleared before the new items are selected. + * <p> + * Indices that are out of range are ignored and no items will be selected + * if start is greater than end. + * If the receiver is single-select and there is more than one item in the + * given range, then all indices are ignored. + * </p> + * + * @param start the start index of the items to select + * @param end the end index of the items to select + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#deselectAll() + * @see Table#select(int,int) + */ +public void setSelection (int start, int end) { + checkWidget (); + deselectAll (); + if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) return; + if (itemCount == 0 || start >= itemCount) return; + start = Math.max (0, start); + end = Math.min (end, itemCount - 1); + select (start, end); + //TODO +// setFocusIndex (start); + showSelection (); +} + +/** + * Sets the column used by the sort indicator for the receiver. A null + * value will clear the sort indicator. The current sort column is cleared + * before the new column is set. + * + * @param column the column used by the sort indicator or <code>null</code> + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the column is disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setSortColumn (TableColumn column) { + checkWidget (); + if (column != null && column.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + //TODO +// if (sortColumn != null && !sortColumn.isDisposed ()) { +// sortColumn.setSortDirection (SWT.NONE); +// } +// sortColumn = column; +// if (sortColumn != null && sortDirection != SWT.NONE) { +// sortColumn.setSortDirection (sortDirection); +// } +} + +/** + * Sets the direction of the sort indicator for the receiver. The value + * can be one of <code>UP</code>, <code>DOWN</code> or <code>NONE</code>. + * + * @param direction the direction of the sort indicator + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setSortDirection (int direction) { + checkWidget (); + if ((direction & (SWT.UP | SWT.DOWN)) == 0 && direction != SWT.NONE) return; + //TODO +// sortDirection = direction; +// if (sortColumn != null && !sortColumn.isDisposed ()) { +// sortColumn.setSortDirection (direction); +// } +} + +/** + * Sets the zero-relative index of the item which is currently + * at the top of the receiver. This index can change when items + * are scrolled or new items are added and removed. + * + * @param index the index of the top item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setTopIndex (int index) { + checkWidget (); + //TODO +} + +/** + * Shows the column. If the column is already showing in the receiver, + * this method simply returns. Otherwise, the columns are scrolled until + * the column is visible. + * + * @param column the column to be shown + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the column is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the column has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void showColumn (TableColumn column) { + checkWidget (); + if (column == null) error (SWT.ERROR_NULL_ARGUMENT); + if (column.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + if (column.parent != this) return; + int index = indexOf (column); + if (!(0 <= index && index < columnCount)) return; + //TODO +} + +/** + * Shows the item. If the item is already showing in the receiver, + * this method simply returns. Otherwise, the items are scrolled until + * the item is visible. + * + * @param item the item to be shown + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the item is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#showSelection() + */ +public void showItem (TableItem item) { + checkWidget (); + if (item == null) error (SWT.ERROR_NULL_ARGUMENT); + if (item.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + OS.ListBox_ScrollIntoView (handle, item.handle); +} + +/** + * Shows the selection. If the selection is already showing in the receiver, + * this method simply returns. Otherwise, the items are scrolled until + * the selection is visible. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#showItem(TableItem) + */ +public void showSelection () { + checkWidget (); + int itemCollection = OS.ItemsControl_Items (handle); + int list = OS.ListBox_SelectedItems (handle); + int enumerator = OS.IList_GetEnumerator (list); + if (OS.IEnumerator_MoveNext (enumerator)) { + int item = OS.IEnumerator_Current (enumerator); + OS.ListBox_ScrollIntoView (handle, item); + OS.GCHandle_Free (item); + } + OS.GCHandle_Free (enumerator); + OS.GCHandle_Free (list); + OS.GCHandle_Free (itemCollection); +} + +int topHandle () { + return parentingHandle; +} + +}
\ No newline at end of file diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TableColumn.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TableColumn.java new file mode 100644 index 0000000000..3f599cec79 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TableColumn.java @@ -0,0 +1,570 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class represent a column in a table widget. + * <p><dl> + * <dt><b>Styles:</b></dt> + * <dd>LEFT, RIGHT, CENTER</dd> + * <dt><b>Events:</b></dt> + * <dd> Move, Resize, Selection</dd> + * </dl> + * </p><p> + * Note: Only one of the styles LEFT, RIGHT and CENTER may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ +public class TableColumn extends Item { + static final int IMAGE_PART = 0; + static final int TEXT_PART = 1; + int headerHandle; + int stringPtr; + boolean moveable, resizable; + Table parent; + + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Table</code>) and a style value + * describing its behavior and appearance. The item is added + * to the end of the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#LEFT + * @see SWT#RIGHT + * @see SWT#CENTER + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TableColumn (Table parent, int style) { + this (parent, checkStyle (style), -1); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Table</code>), a style value + * describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * @param index the zero-relative index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#LEFT + * @see SWT#RIGHT + * @see SWT#CENTER + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TableColumn (Table parent, int style, int index) { + super (parent, checkStyle (style)); +// resizable = true; + this.parent = parent; + parent.createItem (this, index); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is moved or resized, by sending + * it one of the messages defined in the <code>ControlListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ControlListener + * @see #removeControlListener + */ +public void addControlListener(ControlListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Resize,typedListener); + addListener (SWT.Move,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is selected, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * <code>widgetSelected</code> is called when the column header is selected. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +static int checkStyle (int style) { + return checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0); +} + +int ConvertImage (int value, int targetType, int parameter, int culture) { + return image != null ? image.handle : 0; +} + +int ConvertText (int value, int targetType, int parameter, int culture) { + int result = 0; + if (text != null) { + result = stringPtr; + if (result == 0) { + result = stringPtr = createDotNetString (text, false); + } + } + return result; +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +void createHandle () { + handle = OS.gcnew_GridViewColumn (); + if (handle == 0) SWT.error (SWT.ERROR_NO_HANDLES); + headerHandle = OS.gcnew_GridViewColumnHeader (); + int content = OS.gcnew_IntPtr (jniRef); + OS.GridViewColumn_Header (handle, headerHandle); + OS.GridViewColumnHeader_Content (headerHandle, content); + OS.GCHandle_Free (content); +} + +void destroyWidget () { + parent.destroyItem (this); + super.destroyWidget (); +} + +/** + * Returns a value which describes the position of the + * text or image in the receiver. The value will be one of + * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>. + * + * @return the alignment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getAlignment () { + checkWidget (); + if ((style & SWT.LEFT) != 0) return SWT.LEFT; + if ((style & SWT.CENTER) != 0) return SWT.CENTER; + if ((style & SWT.RIGHT) != 0) return SWT.RIGHT; + return SWT.LEFT; +} + +String getNameText () { + return getText (); +} + +/** + * Returns the receiver's parent, which must be a <code>Table</code>. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Table getParent () { + checkWidget (); + return parent; +} + +/** + * Gets the moveable attribute. A column that is + * not moveable cannot be reordered by the user + * by dragging the header but may be reordered + * by the programmer. + * + * @return the moveable attribute + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#getColumnOrder() + * @see Table#setColumnOrder(int[]) + * @see TableColumn#setMoveable(boolean) + * @see SWT#Move + * + * @since 3.1 + */ +public boolean getMoveable () { + checkWidget (); + return moveable; +} + +/** + * Gets the resizable attribute. A column that is + * not resizable cannot be dragged by the user but + * may be resized by the programmer. + * + * @return the resizable attribute + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getResizable () { + checkWidget (); + return resizable; +} + +/** + * Returns the receiver's tool tip text, or null if it has + * not been set. + * + * @return the receiver's tool tip text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public String getToolTipText () { + checkWidget (); + int strPtr = OS.FrameworkElement_ToolTip (headerHandle); + String string = createJavaString (strPtr); + OS.GCHandle_Free (strPtr); + return string; +} + +/** + * Gets the width of the receiver. + * + * @return the width + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getWidth () { + checkWidget (); + return (int) OS.GridViewColumn_ActualWidth(handle); +} + +int findPart (int part) { + if (!OS.FrameworkElement_IsLoaded (headerHandle)) OS.UIElement_UpdateLayout (headerHandle); + int contentPresenterType = OS.ContentPresenter_typeid (); + int contentPresenter = findStackPanel (headerHandle, contentPresenterType); + OS.GCHandle_Free (contentPresenterType); + int result = OS.VisualTreeHelper_GetChild (contentPresenter, part); + OS.GCHandle_Free (contentPresenter); + return result; +} + +int findStackPanel (int element, int contentPresenterType) { + int type = OS.Object_GetType (element); + boolean found = OS.Object_Equals (contentPresenterType, type); + OS.GCHandle_Free(type); + if (found) return OS.VisualTreeHelper_GetChild (element, 0); + int count = OS.VisualTreeHelper_GetChildrenCount (element); + for (int i = 0; i < count; i++) { + int child = OS.VisualTreeHelper_GetChild (element, i); + int result = findStackPanel (child, contentPresenterType); + OS.GCHandle_Free (child); + if (result != 0) return result; + } + return 0; +} + +/** + * Causes the receiver to be resized to its preferred size. + * For a composite, this involves computing the preferred size + * from its layout, if there is one. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + */ +public void pack () { + checkWidget (); + int index = parent.indexOf (this); + if (index == -1) return; + int widthProperty = OS.GridViewColumn_WidthProperty (); + OS.DependencyObject_ClearValue (handle, widthProperty); + OS.GCHandle_Free (widthProperty); + OS.UIElement_UpdateLayout (headerHandle); +} + +void releaseHandle () { + super.releaseHandle (); + if (handle != 0) OS.GCHandle_Free (handle); + handle = 0; + OS.GCHandle_Free (headerHandle); + parent = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is moved or resized. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ControlListener + * @see #addControlListener + */ +public void removeControlListener (ControlListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Move, listener); + eventTable.unhook (SWT.Resize, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is selected. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Controls how text and images will be displayed in the receiver. + * The argument should be one of <code>LEFT</code>, <code>RIGHT</code> + * or <code>CENTER</code>. + * + * @param alignment the new alignment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setAlignment (int alignment) { + checkWidget (); + if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return; + int index = parent.indexOf (this); + if (index == -1 || index == 0) return; + style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER); + style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER); + //TODO +} + +public void setImage (Image image) { + checkWidget (); + super.setImage (image); + // TODO +} + +/** + * Sets the moveable attribute. A column that is + * moveable can be reordered by the user by dragging + * the header. A column that is not moveable cannot be + * dragged by the user but may be reordered + * by the programmer. + * + * @param moveable the moveable attribute + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Table#setColumnOrder(int[]) + * @see Table#getColumnOrder() + * @see TableColumn#getMoveable() + * @see SWT#Move + * + * @since 3.1 + */ +public void setMoveable (boolean moveable) { + checkWidget (); + this.moveable = moveable; + parent.updateMoveable (); +} + +/** + * Sets the resizable attribute. A column that is + * resizable can be resized by the user dragging the + * edge of the header. A column that is not resizable + * cannot be dragged by the user but may be resized + * by the programmer. + * + * @param resizable the resize attribute + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setResizable (boolean resizable) { + checkWidget (); + this.resizable = resizable; +} + +void setSortDirection (int direction) { + //TODO +} + +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if (string.equals (text)) return; + text = string; + if (stringPtr != 0) { + OS.GCHandle_Free (stringPtr); + stringPtr = 0; + } + if (OS.FrameworkElement_IsLoaded(headerHandle)) { + int part = findPart (TEXT_PART); + int property = OS.TextBlock_TextProperty (); + int bindingExpression = OS.FrameworkElement_GetBindingExpression (part, property); + OS.BindingExpression_UpdateTarget (bindingExpression); + OS.GCHandle_Free (part); + OS.GCHandle_Free (property); + OS.GCHandle_Free (bindingExpression); + } +} + +/** + * Sets the receiver's tool tip text to the argument, which + * may be null indicating that no tool tip text should be shown. + * + * @param string the new tool tip text (or null) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setToolTipText (String string) { + checkWidget (); + int strPtr = createDotNetString (string, false); + OS.FrameworkElement_ToolTip (headerHandle, strPtr); + OS.GCHandle_Free (strPtr); +} + +/** + * Sets the width of the receiver. + * + * @param width the new width + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setWidth (int width) { + checkWidget (); + OS.GridViewColumn_Width (handle, width); +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TableItem.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TableItem.java new file mode 100644 index 0000000000..15259b4c6d --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TableItem.java @@ -0,0 +1,1087 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class represent a selectable user interface object + * that represents an item in a table. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ + +public class TableItem extends Item { + Table parent; + String [] strings; + int [] stringHandle; + Image [] images; + + boolean checked, grayed, cached; +// int imageIndent, background = -1, foreground = -1, font = -1; +// int [] cellBackground, cellForeground, cellFont; + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Table</code>) and a style value + * describing its behavior and appearance. The item is added + * to the end of the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TableItem (Table parent, int style) { + this (parent, style, -1); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Table</code>), a style value + * describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * @param index the zero-relative index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TableItem (Table parent, int style, int index) { + this (parent, style, index, 0); +} + +TableItem (Table parent, int style, int index, int handle) { + super (parent, style); + this.parent = parent; + this.handle = handle; + if (handle == 0) { + parent.createItem (this, index); + } else { + createWidget (); + } +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +void createHandle () { + if (handle == 0) { + handle = OS.gcnew_ListViewItem (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + } + int content = OS.gcnew_IntPtr (jniRef); + OS.ContentControl_Content (handle, content); + OS.GCHandle_Free (content); +} + +void clear () { + text = ""; + image = null; + if (stringHandle != null) { + for (int i = 0; i < stringHandle.length; i++) { + if (stringHandle [i] != 0) OS.GCHandle_Free (stringHandle [i]); + } + } + stringHandle = null; + strings = null; + images = null; + checked = grayed = false; +// background = foreground = font = -1; +// cellBackground = cellForeground = cellFont = null; + if ((parent.style & SWT.VIRTUAL) != 0) cached = false; + int count = Math.max (1, parent.columnCount); + for (int i = 0; i < count; i++) { + resetText (i); + resetImage (i); + } +} + +void deregister () { + display.removeWidget (handle); +} + +void destroyWidget () { + parent.destroyItem (this); + super.destroyWidget (); +} + +int findRowPresenter (int current, int rowPresenterType) { + int type = OS.Object_GetType (current); + boolean found = OS.Object_Equals (rowPresenterType, type); + OS.GCHandle_Free (type); + if (found) return current; + int childCount = OS.VisualTreeHelper_GetChildrenCount (current); + for (int i = 0; i < childCount; i++) { + int child = OS.VisualTreeHelper_GetChild (current, i); + int result = findRowPresenter (child, rowPresenterType); + if (child != result) OS.GCHandle_Free (child); + if (result != 0) return result; + } + return 0; +} + +int findPart (int column, String partName) { + if (!OS.FrameworkElement_IsLoaded (handle)) OS.UIElement_UpdateLayout (handle); + if (!OS.FrameworkElement_IsLoaded (handle)) return 0; + int rowPresenterType = OS.GridViewRowPresenter_typeid (); + int rowPresenter = findRowPresenter (handle, rowPresenterType); + int contentPresenter = OS.VisualTreeHelper_GetChild (rowPresenter, column); + int columns = OS.GridView_Columns (parent.gridViewHandle); + int columnHandle = OS.GridViewColumnCollection_default (columns, column); + int cellTemplate = OS.GridViewColumn_CellTemplate (columnHandle); + int name = createDotNetString (partName, false); + int result = OS.FrameworkTemplate_FindName (cellTemplate, name, contentPresenter); + OS.GCHandle_Free (rowPresenterType); + OS.GCHandle_Free (rowPresenter); + OS.GCHandle_Free (contentPresenter); + OS.GCHandle_Free (columns); + OS.GCHandle_Free (columnHandle); + OS.GCHandle_Free (cellTemplate); + OS.GCHandle_Free (name); + return result; +} + +/** + * Returns the receiver's background color. + * + * @return the background color + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + */ +public Color getBackground () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + //TODO + return parent.getBackground(); +// if (background == -1) return parent.getBackground (); +// return Color.win32_new (display, background); +} + +/** + * Returns the background color at the given column index in the receiver. + * + * @param index the column index + * @return the background color + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public Color getBackground (int index) { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return getBackground (); + //TODO + return parent.getBackground(); +// int pixel = cellBackground != null ? cellBackground [index] : -1; +// return pixel == -1 ? getBackground () : Color.win32_new (display, pixel); +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent. + * + * @return the receiver's bounding rectangle + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public Rectangle getBounds () { + checkWidget(); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + int parentHandle = parent.topHandle (); + int point = OS.gcnew_Point (0, 0); + if (point == 0) error (SWT.ERROR_NO_HANDLES); + int location = OS.UIElement_TranslatePoint (handle, point, parentHandle); + int x = (int) OS.Point_X (location); + int y = (int) OS.Point_Y (location); + OS.GCHandle_Free (point); + OS.GCHandle_Free (location); + int width = (int) OS.FrameworkElement_ActualWidth (handle); + int height = (int) OS.FrameworkElement_ActualHeight (handle); + return new Rectangle (x, y, width, height); +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent at a column in the table. + * + * @param index the index that specifies the column + * @return the receiver's bounding column rectangle + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Rectangle getBounds (int index) { + checkWidget(); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + if (!(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0); + int rowPresenterType = OS.GridViewRowPresenter_typeid (); + int rowPresenter = findRowPresenter (handle, rowPresenterType); + int contentPresenter = OS.VisualTreeHelper_GetChild (rowPresenter, index); + int point = OS.gcnew_Point (0, 0); + if (point == 0) error (SWT.ERROR_NO_HANDLES); + int parentHandle = parent.topHandle (); + int location = OS.UIElement_TranslatePoint (contentPresenter, point, parentHandle); + int x = (int) OS.Point_X (location); + int y = (int) OS.Point_Y (location); + int width = (int) OS.FrameworkElement_ActualWidth (contentPresenter); + int height = (int) OS.FrameworkElement_ActualHeight (handle); + OS.GCHandle_Free (rowPresenter); + OS.GCHandle_Free (rowPresenterType); + OS.GCHandle_Free (point); + OS.GCHandle_Free (location); + OS.GCHandle_Free (contentPresenter); + return new Rectangle (x, y, width, height); +} + +/** + * Returns <code>true</code> if the receiver is checked, + * and false otherwise. When the parent does not have + * the <code>CHECK</code> style, return false. + * + * @return the checked state of the checkbox + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getChecked () { + checkWidget(); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + if ((parent.style & SWT.CHECK) == 0) return false; + return checked; +} + +/** + * Returns the font that the receiver will use to paint textual information for this item. + * + * @return the receiver's font + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public Font getFont () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + //TODO + return parent.getFont (); +// return font == -1 ? parent.getFont () : Font.win32_new (display, font); +} + +/** + * Returns the font that the receiver will use to paint textual information + * for the specified cell in this item. + * + * @param index the column index + * @return the receiver's font + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public Font getFont (int index) { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count -1) return getFont (); + //TODO + return parent.getFont (); +// int hFont = (cellFont != null) ? cellFont [index] : font; +// return hFont == -1 ? getFont () : Font.win32_new (display, hFont); +} + +/** + * Returns the foreground color that the receiver will use to draw. + * + * @return the receiver's foreground color + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + */ +public Color getForeground () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + //TODO + return parent.getForeground (); +// if (foreground == -1) return parent.getForeground (); +// return Color.win32_new (display, foreground); +} + +/** + * + * Returns the foreground color at the given column index in the receiver. + * + * @param index the column index + * @return the foreground color + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public Color getForeground (int index) { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count -1) return getForeground (); + //TODO + return parent.getForeground (); +// int pixel = cellForeground != null ? cellForeground [index] : -1; +// return pixel == -1 ? getForeground () : Color.win32_new (display, pixel); +} + +/** + * Returns <code>true</code> if the receiver is grayed, + * and false otherwise. When the parent does not have + * the <code>CHECK</code> style, return false. + * + * @return the grayed state of the checkbox + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getGrayed () { + checkWidget(); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + if ((parent.style & SWT.CHECK) == 0) return false; + return grayed; +} + +public Image getImage () { + checkWidget(); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + return getImage (0); +} + +/** + * Returns the image stored at the given column index in the receiver, + * or null if the image has not been set or if the column does not exist. + * + * @param index the column index + * @return the image stored at the given column index in the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Image getImage (int index) { + checkWidget(); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + if (images != null) { + if (0 <= index && index < images.length) return images [index]; + } + return null; +} + +/** + * Returns a rectangle describing the size and location + * relative to its parent of an image at a column in the + * table. An empty rectangle is returned if index exceeds + * the index of the table's last column. + * + * @param index the index that specifies the column + * @return the receiver's bounding image rectangle + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Rectangle getImageBounds (int index) { + checkWidget(); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + if (!(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0); + int parentHandle = parent.topHandle (); + int part = findPart (index, Table.IMAGE_PART_NAME); + int point = OS.gcnew_Point (0, 0); + if (point == 0) error (SWT.ERROR_NO_HANDLES); + int location = OS.UIElement_TranslatePoint (part, point, parentHandle); + int x = (int) OS.Point_X (location); + int y = (int) OS.Point_Y (location); + OS.GCHandle_Free (point); + OS.GCHandle_Free (location); + int width = (int) OS.FrameworkElement_ActualWidth (part); + int height = (int) OS.FrameworkElement_ActualHeight (part); + OS.GCHandle_Free (part); + return new Rectangle (x, y, width, height); +} + +/** + * Gets the image indent. + * + * @return the indent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getImageIndent () { + checkWidget(); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + //TODO + return 0; +// return imageIndent; +} + +String getNameText () { + if ((parent.style & SWT.VIRTUAL) != 0) { + if (!cached) return "*virtual*"; //$NON-NLS-1$ + } + return super.getNameText (); +} + +/** + * Returns the receiver's parent, which must be a <code>Table</code>. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Table getParent () { + checkWidget(); + return parent; +} + +public String getText () { + checkWidget(); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + return getText (0); +} + +/** + * Returns the text stored at the given column index in the receiver, + * or empty string if the text has not been set. + * + * @param index the column index + * @return the text stored at the given column index in the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getText (int index) { + checkWidget(); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + if (strings != null) { + if (0 <= index && index < strings.length) { + String string = strings [index]; + return string != null ? string : ""; + } + } + return ""; +} + +Control getWidgetControl () { + return parent; +} + +void register () { + display.addWidget (handle, this); +} + +void releaseHandle () { + super.releaseHandle (); + if (handle != 0) OS.GCHandle_Free (handle); + handle = 0; + parent = null; +} + +void releaseWidget () { + super.releaseWidget (); + if (stringHandle != null) { + for (int i = 0; i < stringHandle.length; i++) { + if (stringHandle [i] != 0) OS.GCHandle_Free (stringHandle [i]); + } + } + stringHandle = null; + strings = null; + images = null; +} + +public void resetCheck () { + int part = findPart (0, Table.CHECKBOX_PART_NAME); + if (part == 0) return; + parent.ignoreSelection = true; + OS.ToggleButton_IsChecked (part, checked); + parent.ignoreSelection = false; + OS.GCHandle_Free (part); +} + +void resetImage (int index) { + if (OS.FrameworkElement_IsLoaded (handle)) { + int part = findPart (index, Table.IMAGE_PART_NAME); + int property = OS.Image_SourceProperty (); + int bindingExpression = OS.FrameworkElement_GetBindingExpression (part, property); + OS.BindingExpression_UpdateTarget (bindingExpression); + OS.GCHandle_Free (part); + OS.GCHandle_Free (property); + OS.GCHandle_Free (bindingExpression); + } +} + +void resetText (int index) { + if (OS.FrameworkElement_IsLoaded (handle)) { + int part = findPart (index, Table.TEXT_PART_NAME); + int property = OS.TextBlock_TextProperty (); + int bindingExpression = OS.FrameworkElement_GetBindingExpression (part, property); + OS.BindingExpression_UpdateTarget (bindingExpression); + OS.GCHandle_Free (part); + OS.GCHandle_Free (property); + OS.GCHandle_Free (bindingExpression); + } +} + +/** + * Sets the receiver's background color to the color specified + * by the argument, or to the default system color for the item + * if the argument is null. + * + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + */ +public void setBackground (Color color) { + checkWidget (); + if (color != null && color.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } +// int pixel = -1; + //TODO +// if (color != null) { +// parent.setCustomDraw (true); +// pixel = color.handle; +// } +// if (background == pixel) return; +// background = pixel; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +// redraw (); +} + +/** + * Sets the background color at the given column index in the receiver + * to the color specified by the argument, or to the default system color for the item + * if the argument is null. + * + * @param index the column index + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setBackground (int index, Color color) { + checkWidget (); + if (color != null && color.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; +// int pixel = -1; + //TODO +// if (color != null) { +// parent.setCustomDraw (true); +// pixel = color.handle; +// } +// if (cellBackground == null) { +// cellBackground = new int [count]; +// for (int i = 0; i < count; i++) { +// cellBackground [i] = -1; +// } +// } +// if (cellBackground [index] == pixel) return; +// cellBackground [index] = pixel; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +// redraw (index, true, true); +} + +/** + * Sets the checked state of the checkbox for this item. This state change + * only applies if the Table was created with the SWT.CHECK style. + * + * @param checked the new checked state of the checkbox + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setChecked (boolean checked) { + checkWidget(); + if ((parent.style & SWT.CHECK) == 0) return; + if (this.checked == checked) return; + this.checked = checked; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; + resetCheck(); +} + +/** + * Sets the font that the receiver will use to paint textual information + * for this item to the font specified by the argument, or to the default font + * for that kind of control if the argument is null. + * + * @param font the new font (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setFont (Font font){ + checkWidget (); + if (font != null && font.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } +// int hFont = -1; +// if (font != null) { +// parent.setCustomDraw (true); +// hFont = font.handle; +// } +// if (this.font == hFont) return; +// this.font = hFont; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +// /* +// * Bug in Windows. Despite the fact that every item in the +// * table always has LPSTR_TEXTCALLBACK, Windows caches the +// * bounds for the selected items. This means that +// * when you change the string to be something else, Windows +// * correctly asks you for the new string but when the item +// * is selected, the selection draws using the bounds of the +// * previous item. The fix is to reset LPSTR_TEXTCALLBACK +// * even though it has not changed, causing Windows to flush +// * cached bounds. +// */ +// if ((parent.style & SWT.VIRTUAL) == 0 && cached) { +// int itemIndex = parent.indexOf (this); +// if (itemIndex != -1) { +// int hwnd = parent.handle; +// LVITEM lvItem = new LVITEM (); +// lvItem.mask = OS.LVIF_TEXT; +// lvItem.iItem = itemIndex; +// lvItem.pszText = OS.LPSTR_TEXTCALLBACK; +// OS.SendMessage (hwnd, OS.LVM_SETITEM, 0, lvItem); +// cached = false; +// } +// } +// parent.setScrollWidth (this, false); +// redraw (); +} + +/** + * Sets the font that the receiver will use to paint textual information + * for the specified cell in this item to the font specified by the + * argument, or to the default font for that kind of control if the + * argument is null. + * + * @param index the column index + * @param font the new font (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setFont (int index, Font font) { + checkWidget (); + if (font != null && font.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + //TODO +// int hFont = -1; +// if (font != null) { +// parent.setCustomDraw (true); +// hFont = font.handle; +// } +// if (cellFont == null) { +// cellFont = new int [count]; +// for (int i = 0; i < count; i++) { +// cellFont [i] = -1; +// } +// } +// if (cellFont [index] == hFont) return; +// cellFont [index] = hFont; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +// if (index == 0) { +// /* +// * Bug in Windows. Despite the fact that every item in the +// * table always has LPSTR_TEXTCALLBACK, Windows caches the +// * bounds for the selected items. This means that +// * when you change the string to be something else, Windows +// * correctly asks you for the new string but when the item +// * is selected, the selection draws using the bounds of the +// * previous item. The fix is to reset LPSTR_TEXTCALLBACK +// * even though it has not changed, causing Windows to flush +// * cached bounds. +// */ +// if ((parent.style & SWT.VIRTUAL) == 0 && cached) { +// int itemIndex = parent.indexOf (this); +// if (itemIndex != -1) { +// int hwnd = parent.handle; +// LVITEM lvItem = new LVITEM (); +// lvItem.mask = OS.LVIF_TEXT; +// lvItem.iItem = itemIndex; +// lvItem.pszText = OS.LPSTR_TEXTCALLBACK; +// OS.SendMessage (hwnd, OS.LVM_SETITEM, 0, lvItem); +// cached = false; +// } +// } +// parent.setScrollWidth (this, false); +// } +// redraw (index, true, false); +} + +/** + * Sets the receiver's foreground color to the color specified + * by the argument, or to the default system color for the item + * if the argument is null. + * + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + */ +public void setForeground (Color color){ + checkWidget (); + if (color != null && color.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } + //TODO +// int pixel = -1; +// if (color != null) { +// parent.setCustomDraw (true); +// pixel = color.handle; +// } +// if (foreground == pixel) return; +// foreground = pixel; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +// redraw (); +} + +/** + * Sets the foreground color at the given column index in the receiver + * to the color specified by the argument, or to the default system color for the item + * if the argument is null. + * + * @param index the column index + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setForeground (int index, Color color){ + checkWidget (); + if (color != null && color.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + //TODO +// int pixel = -1; +// if (color != null) { +// parent.setCustomDraw (true); +// pixel = color.handle; +// } +// if (cellForeground == null) { +// cellForeground = new int [count]; +// for (int i = 0; i < count; i++) { +// cellForeground [i] = -1; +// } +// } +// if (cellForeground [index] == pixel) return; +// cellForeground [index] = pixel; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +// redraw (index, true, false); +} + +/** + * Sets the grayed state of the checkbox for this item. This state change + * only applies if the Table was created with the SWT.CHECK style. + * + * @param grayed the new grayed state of the checkbox; + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setGrayed (boolean grayed) { + checkWidget(); + if ((parent.style & SWT.CHECK) == 0) return; + if (this.grayed == grayed) return; + this.grayed = grayed; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +} + +/** + * Sets the image for multiple columns in the table. + * + * @param images the array of new images + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the array of images is null</li> + * <li>ERROR_INVALID_ARGUMENT - if one of the images has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setImage (Image [] images) { + checkWidget(); + if (images == null) error (SWT.ERROR_NULL_ARGUMENT); + for (int i=0; i<images.length; i++) { + setImage (i, images [i]); + } +} + +/** + * Sets the receiver's image at a column. + * + * @param index the column index + * @param image the new image + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setImage (int index, Image image) { + checkWidget(); + if (image != null && image.isDisposed ()) { + error(SWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + if (images == null) { + images = new Image [count]; + } + images [index] = image; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; + resetImage (index); +} + +public void setImage (Image image) { + checkWidget (); + setImage (0, image); +} + +/** + * Sets the indent of the first column's image, expressed in terms of the image's width. + * + * @param indent the new indent + * + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @deprecated this functionality is not supported on most platforms + */ +public void setImageIndent (int indent) { + checkWidget(); +} + +/** + * Sets the text for multiple columns in the table. + * + * @param strings the array of new strings + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (String [] strings) { + checkWidget(); + if (strings == null) error (SWT.ERROR_NULL_ARGUMENT); + for (int i=0; i<strings.length; i++) { + String string = strings [i]; + if (string != null) setText (i, string); + } +} + +/** + * Sets the receiver's text at a column + * + * @param index the column index + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (int index, String string) { + checkWidget(); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int count = Math.max(1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + + if (strings == null) { + strings = new String [count]; + } + if (string.equals (strings [index])) return; + strings [index] = string; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; + if (stringHandle != null && stringHandle [index] != 0) { + OS.GCHandle_Free (stringHandle [index]); + stringHandle [index] = 0; + } + resetText (index); +} + +public void setText (String string) { + checkWidget(); + setText (0, string); +} + + + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Text.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Text.java new file mode 100644 index 0000000000..46ddd4bbf5 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Text.java @@ -0,0 +1,1353 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class are selectable user interface + * objects that allow the user to enter and modify text. + * <p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>CENTER, LEFT, MULTI, PASSWORD, SINGLE, RIGHT, READ_ONLY, WRAP</dd> + * <dt><b>Events:</b></dt> + * <dd>DefaultSelection, Modify, Verify</dd> + * </dl> + * <p> + * Note: Only one of the styles MULTI and SINGLE may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ +public class Text extends Scrollable { + boolean doubleClick; + + /** + * The maximum number of characters that can be entered + * into a text widget. + * <p> + * Note that this value is platform dependent, based upon + * the native widget implementation. + * </p> + */ + public static final int LIMIT; + + /** + * The delimiter used by multi-line text widgets. When text + * is queried and from the widget, it will be delimited using + * this delimiter. + */ + public static final String DELIMITER; + + /* + * This code is intentionally commented. + */ +// static final char PASSWORD; + + /* + * These values can be different on different platforms. + * Therefore they are not initialized in the declaration + * to stop the compiler from inlining. + */ + static { + LIMIT = 0x7FFFFFFF; + DELIMITER = "\r\n"; + } + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#SINGLE + * @see SWT#MULTI + * @see SWT#READ_ONLY + * @see SWT#WRAP + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Text (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's text is modified, by sending + * it one of the messages defined in the <code>ModifyListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ModifyListener + * @see #removeModifyListener + */ +public void addModifyListener (ModifyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Modify, typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is selected, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * <code>widgetSelected</code> is not called for texts. + * <code>widgetDefaultSelected</code> is typically called when ENTER is pressed in a single-line text. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection, typedListener); + addListener (SWT.DefaultSelection, typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's text is verified, by sending + * it one of the messages defined in the <code>VerifyListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see VerifyListener + * @see #removeVerifyListener + */ +public void addVerifyListener (VerifyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Verify, typedListener); +} + +/** + * Appends a string. + * <p> + * The new text is appended to the text at + * the end of the widget. + * </p> + * + * @param string the string to be appended + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void append (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if ((style & SWT.PASSWORD) != 0) return; + int strPtr = createDotNetString (string, false); + OS.TextBoxBase_AppendText (handle, strPtr); + OS.TextBoxBase_ScrollToEnd (handle); + OS.GCHandle_Free (strPtr); +} + +static int checkStyle (int style) { + if ((style & SWT.SINGLE) != 0 && (style & SWT.MULTI) != 0) { + style &= ~SWT.MULTI; + } + style = checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0); + if ((style & SWT.SINGLE) != 0) style &= ~(SWT.H_SCROLL | SWT.V_SCROLL | SWT.WRAP); + if ((style & SWT.WRAP) != 0) { + style |= SWT.MULTI; + style &= ~SWT.H_SCROLL; + } + if ((style & SWT.MULTI) != 0) style &= ~SWT.PASSWORD; + if ((style & (SWT.SINGLE | SWT.MULTI)) != 0) return style; + if ((style & (SWT.H_SCROLL | SWT.V_SCROLL)) != 0) return style | SWT.MULTI; + return style | SWT.SINGLE; +} + +/** + * Clears the selection. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void clearSelection () { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) + OS.TextBox_SelectionLength (handle, 0); +} + +/** + * Copies the selected text. + * <p> + * The current selection is copied to the clipboard. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void copy () { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) + OS.TextBoxBase_Copy (handle); +} + +void createHandle () { + if ((style & SWT.PASSWORD) != 0) { + handle = OS.gcnew_PasswordBox (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + return; + } + handle = OS.gcnew_TextBox (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + if ((style & SWT.MULTI) != 0) { + OS.TextBoxBase_AcceptsReturn (handle, true); + OS.TextBoxBase_AcceptsTab (handle, true); + if ((style & SWT.WRAP) != 0) OS.TextBox_TextWrapping (handle, OS.TextWrapping_Wrap); + } + if ((style & SWT.READ_ONLY) != 0) OS.TextBoxBase_IsReadOnly (handle, true); + if ((style & SWT.CENTER) != 0) OS.Control_HorizontalContentAlignment (handle, OS.HorizontalAlignment_Center); + if ((style & SWT.RIGHT) != 0) OS.Control_HorizontalContentAlignment (handle, OS.HorizontalAlignment_Right); + if ((style & SWT.V_SCROLL) != 0) OS.TextBoxBase_VerticalScrollBarVisibility (handle, OS.ScrollBarVisibility_Visible); + if ((style & SWT.H_SCROLL) != 0) OS.TextBoxBase_HorizontalScrollBarVisibility (handle, OS.ScrollBarVisibility_Visible); +} + +void createWidget () { + super.createWidget (); + doubleClick = true; +// setTabStops (8); +} + +/** + * Cuts the selected text. + * <p> + * The current selection is first copied to the + * clipboard and then deleted from the widget. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void cut () { + checkWidget (); + if ((style & SWT.READ_ONLY) != 0) return; + if ((style & SWT.PASSWORD) != 0) return; + OS.TextBoxBase_Cut (handle); +} + +/** + * Returns the line number of the caret. + * <p> + * The line number of the caret is returned. + * </p> + * + * @return the line number + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getCaretLineNumber () { + checkWidget (); + if ((style & SWT.SINGLE) != 0) return 0; + if ((style & SWT.PASSWORD) != 0) return 0; + int caretIndex = OS.TextBox_CaretIndex (handle); + return OS.TextBox_GetLineIndexFromCharacterIndex (handle, caretIndex); +} + +/** + * Returns a point describing the receiver's location relative + * to its parent (or its display if its parent is null). + * <p> + * The location of the caret is returned. + * </p> + * + * @return a point, the location of the caret + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Point getCaretLocation () { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) return new Point (0, 0); + int caretIndex = OS.TextBox_CaretIndex (handle); + int rect = OS.TextBox_GetRectFromCharacterIndex (handle, caretIndex); + Point result = new Point ((int)OS.Rect_X (rect), (int)OS.Rect_Y (rect)); + OS.GCHandle_Free (rect); + return result; +} + +/** + * Returns the character position of the caret. + * <p> + * Indexing is zero based. + * </p> + * + * @return the position of the caret + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getCaretPosition () { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) return 0; + return OS.TextBox_CaretIndex (handle); +} + +/** + * Returns the number of characters. + * + * @return number of characters in the widget + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getCharCount () { + checkWidget (); + int text; + if ((style & SWT.PASSWORD) != 0) { + text = OS.PasswordBox_Password (handle); + } else { + text = OS.TextBox_Text (handle); + } + int length = OS.String_Length (text); + OS.GCHandle_Free (text); + return length; +} + +/** + * Returns the double click enabled flag. + * <p> + * The double click flag enables or disables the + * default action of the text widget when the user + * double clicks. + * </p> + * + * @return whether or not double click is enabled + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getDoubleClickEnabled () { + checkWidget (); + return doubleClick; +} + +/** + * Returns the echo character. + * <p> + * The echo character is the character that is + * displayed when the user enters text or the + * text is changed by the programmer. + * </p> + * + * @return the echo character + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setEchoChar + */ +public char getEchoChar () { + checkWidget (); + if ((style & SWT.PASSWORD) == 0) return 0; + return OS.PasswordBox_PasswordChar (handle); +} + +/** + * Returns the editable state. + * + * @return whether or not the receiver is editable + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getEditable () { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) return true; + return OS.TextBoxBase_IsReadOnly (handle); +} + +/** + * Returns the number of lines. + * + * @return the number of lines in the widget + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getLineCount () { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) return 1; + return OS.TextBox_LineCount (handle); +} + +/** + * Returns the line delimiter. + * + * @return a string that is the line delimiter + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #DELIMITER + */ +public String getLineDelimiter () { + checkWidget (); + return DELIMITER; +} + +/** + * Returns the height of a line. + * + * @return the height of a row of text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getLineHeight () { + checkWidget (); + //FIXME + return 10; +} + +/** + * Returns the orientation of the receiver, which will be one of the + * constants <code>SWT.LEFT_TO_RIGHT</code> or <code>SWT.RIGHT_TO_LEFT</code>. + * + * @return the orientation style + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.1.2 + */ +public int getOrientation () { + checkWidget(); + return style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT); +} + +/** + * Returns a <code>Point</code> whose x coordinate is the + * character position representing the start of the selected + * text, and whose y coordinate is the character position + * representing the end of the selection. An "empty" selection + * is indicated by the x and y coordinates having the same value. + * <p> + * Indexing is zero based. The range of a selection is from + * 0..N where N is the number of characters in the widget. + * </p> + * + * @return a point representing the selection start and end + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Point getSelection () { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) return new Point (0, 0); + int start = OS.TextBox_SelectionStart (handle); + int length = OS.TextBox_SelectionLength (handle); + return new Point (start, start+length); +} + +/** + * Returns the number of selected characters. + * + * @return the number of selected characters. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelectionCount () { + checkWidget (); + Point selection = getSelection (); + return selection.y - selection.x; +} + +/** + * Gets the selected text, or an empty string if there is no current selection. + * + * @return the selected text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getSelectionText () { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) return ""; + int content = OS.TextBox_SelectedText (handle); + String string = createJavaString (content); + OS.GCHandle_Free (content); + return string; +} + +/** + * Returns the number of tabs. + * <p> + * Tab stop spacing is specified in terms of the + * space (' ') character. The width of a single + * tab stop is the pixel width of the spaces. + * </p> + * + * @return the number of tab characters + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getTabs () { + checkWidget (); + //FIXME + return 8; +} + +/** + * Returns the widget text. + * <p> + * The text for a text widget is the characters in the widget, or + * an empty string if this has never been set. + * </p> + * + * @return the widget text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getText () { + checkWidget(); + int text; + if ((style & SWT.PASSWORD) != 0) { + text = OS.PasswordBox_Password (handle); + } else { + text = OS.TextBox_Text (handle); + } + String string = createJavaString (text); + OS.GCHandle_Free (text); + return string; +} + +/** + * Returns a range of text. Returns an empty string if the + * start of the range is greater than the end. + * <p> + * Indexing is zero based. The range of + * a selection is from 0..N-1 where N is + * the number of characters in the widget. + * </p> + * + * @param start the start of the range + * @param end the end of the range + * @return the range of text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getText (int start, int end) { + checkWidget (); + if (!(start <= end && 0 <= end)) return ""; + String text = getText (); + int length = text.length(); + start = Math.max (0, start); + end = Math.min (end, length - 1); + /* + * NOTE: The current implementation uses substring () + * which can reference a potentially large character + * array. + */ + return text.substring (start, end + 1); +} + +/** + * Returns the maximum number of characters that the receiver is capable of holding. + * <p> + * If this has not been changed by <code>setTextLimit()</code>, + * it will be the constant <code>Text.LIMIT</code>. + * </p> + * + * @return the text limit + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #LIMIT + */ +public int getTextLimit () { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) return OS.PasswordBox_MaxLength (handle); + return OS.TextBox_MaxLength (handle); +} + +/** + * Returns the zero-relative index of the line which is currently + * at the top of the receiver. + * <p> + * This index can change when lines are scrolled or new lines are added or removed. + * </p> + * + * @return the index of the top line + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getTopIndex () { + checkWidget (); + if ((style & SWT.SINGLE) != 0) return 0; + if ((style & SWT.PASSWORD) != 0) return 0; + return OS.TextBox_GetFirstVisibleLineIndex (handle); +} + +/** + * Returns the top pixel. + * <p> + * The top pixel is the pixel position of the line + * that is currently at the top of the widget. On + * some platforms, a text widget can be scrolled by + * pixels instead of lines so that a partial line + * is displayed at the top of the widget. + * </p><p> + * The top pixel changes when the widget is scrolled. + * The top pixel does not include the widget trimming. + * </p> + * + * @return the pixel position of the top line + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getTopPixel () { + checkWidget (); + //FIXME + return 0; +} + +void HandleKeyDown (int sender, int e) { + if (!checkEvent (e)) return; + super.HandleKeyDown (sender, e); + if ((style & SWT.SINGLE) != 0) { + int key = OS.KeyEventArgs_Key (e); + if (key == OS.Key_Return) postEvent (SWT.DefaultSelection); + } +} + +void HandlePreviewExecutedRoutedEvent (int sender, int e) { + if (!checkEvent (e)) return; + int command = OS.ExecutedRoutedEventArgs_Command (e); + boolean doVerify = false; + String input = null; + if (OS.Object_Equals (command, OS.ApplicationCommands_Paste)) { + doVerify = true; + int clipboardText = OS.Clipboard_GetText (); + input = createJavaString(clipboardText); + OS.GCHandle_Free(clipboardText); + } else if (OS.Object_Equals (command, OS.ApplicationCommands_Cut)){ + doVerify = true; + input = getSelectionText (); + } else if (OS.Object_Equals(command, OS.ApplicationCommands_Redo)) { + //FIXME + //doVerify = true; + OS.ExecutedRoutedEventArgs_Handled (e, true); + } else if (OS.Object_Equals(command, OS.ApplicationCommands_Undo)) { + //FIXME + //doVerify = true; + OS.ExecutedRoutedEventArgs_Handled (e, true); + } else if (OS.Object_Equals (command, OS.EditingCommands_Backspace)) { + doVerify = true; + input = ""; + } else if (OS.Object_Equals (command, OS.EditingCommands_Delete)) { + doVerify = true; + input = ""; + } else if (OS.Object_Equals(command, OS.EditingCommands_DeleteNextWord)) { + //FIXME + //doVerify = true; + OS.ExecutedRoutedEventArgs_Handled (e, true); + } else if (OS.Object_Equals(command, OS.EditingCommands_DeletePreviousWord)) { + //FIXME + //doVerify = true; + OS.ExecutedRoutedEventArgs_Handled (e, true); + } + OS.GCHandle_Free(command); + /* + * FIXME - should do this first, but for now we want to swallow + * all Redo, Undo, DeleteNextWord and DeletePreviousWord to + * prevent those from changing the TextBox w/o Verify events + */ + if (!hooks (SWT.Verify)) return; + if (!doVerify) return; + String text = verifyText (input); + if (text != null && !text.equals (input)) { + int strPtr = createDotNetString (text, false); + OS.TextBox_SelectedText (handle, strPtr); + OS.GCHandle_Free (strPtr); + int start = OS.TextBox_SelectionStart (handle); + int length = OS.TextBox_SelectionLength (handle); + OS.TextBox_Select (handle, start+length, 0); + OS.TextBox_SelectionLength (handle, 0); + text = null; + } + if (text == null) OS.ExecutedRoutedEventArgs_Handled (e, true); +} + +void HandlePreviewTextInput (int sender, int e) { + if (!checkEvent (e)) return; + int textPtr = OS.TextCompositionEventArgs_Text (e); + String input = createJavaString(textPtr); + OS.GCHandle_Free (textPtr); + String text = verifyText (input); + if (text != null && !text.equals (input)) { + textPtr = createDotNetString (text, false); + OS.TextBox_SelectedText (handle, textPtr); + OS.GCHandle_Free (textPtr); + int start = OS.TextBox_SelectionStart (handle); + int length = OS.TextBox_SelectionLength (handle); + OS.TextBox_Select (handle, start+length, 0); + OS.TextBox_SelectionLength (handle, 0); + text = null; + } + if (text == null) OS.TextCompositionEventArgs_Handled (e, true); +} + +void HandleTextChanged (int sender, int e) { + if (!checkEvent (e)) return; + sendEvent (SWT.Modify); +} + +void hookEvents () { + super.hookEvents(); + if ((style & SWT.PASSWORD) != 0) { + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleTextChanged"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.PasswordBox_PasswordChanged (handle, handler); + OS.GCHandle_Free(handler); + return; + } + + int handler = OS.gcnew_TextCompositionEventHandler (jniRef, "HandlePreviewTextInput"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.UIElement_PreviewTextInput (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_ExecutedRoutedEventHandler (jniRef, "HandlePreviewExecutedRoutedEvent"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.CommandManager_AddPreviewExecutedHandler (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_TextChangedEventHandler (jniRef, "HandleTextChanged"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.TextBoxBase_TextChanged (handle, handler); + OS.GCHandle_Free(handler); +} + +/** + * Inserts a string. + * <p> + * The old selection is replaced with the new text. + * </p> + * + * @param string the string + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is <code>null</code></li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void insert (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if ((style & SWT.PASSWORD) != 0) return; + if (hooks (SWT.Verify) || filters (SWT.Verify)) { + string = verifyText (string); + if (string == null) return; + } + int strPtr = createDotNetString (string, false); + OS.TextBox_SelectedText (handle, strPtr); + OS.GCHandle_Free (strPtr); + int end = OS.TextBox_SelectionStart (handle) + OS.TextBox_SelectionLength (handle); + OS.TextBox_Select (handle, end, 0); +} + +/** + * Pastes text from clipboard. + * <p> + * The selected text is deleted from the widget + * and new text inserted from the clipboard. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void paste () { + checkWidget (); + if ((style & SWT.READ_ONLY) != 0) { + OS.PasswordBox_Paste (handle); + return; + } + OS.TextBoxBase_Paste (handle); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's text is modified. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ModifyListener + * @see #addModifyListener + */ +public void removeModifyListener (ModifyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Modify, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is selected. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is verified. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see VerifyListener + * @see #addVerifyListener + */ +public void removeVerifyListener (VerifyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Verify, listener); +} + +/** + * Selects all the text in the receiver. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void selectAll () { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) return; + OS.TextBoxBase_SelectAll (handle); +} + +/** + * Sets the double click enabled flag. + * <p> + * The double click flag enables or disables the + * default action of the text widget when the user + * double clicks. + * </p><p> + * Note: This operation is a hint and is not supported on + * platforms that do not have this concept. + * </p> + * + * @param doubleClick the new double click flag + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setDoubleClickEnabled (boolean doubleClick) { + checkWidget (); + this.doubleClick = doubleClick; +} + +/** + * Sets the echo character. + * <p> + * The echo character is the character that is + * displayed when the user enters text or the + * text is changed by the programmer. Setting + * the echo character to '\0' clears the echo + * character and redraws the original text. + * If for any reason the echo character is invalid, + * or if the platform does not allow modification + * of the echo character, the default echo character + * for the platform is used. + * </p> + * + * @param echo the new echo character + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setEchoChar (char echo) { + checkWidget (); + if ((style & SWT.PASSWORD) == 0) return; + OS.PasswordBox_PasswordChar (handle, echo); +} + +/** + * Sets the editable state. + * + * @param editable the new editable state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setEditable (boolean editable) { + checkWidget (); + style &= ~SWT.READ_ONLY; + if (!editable) style |= SWT.READ_ONLY; + if ((style & SWT.PASSWORD) != 0) return; + OS.TextBoxBase_IsReadOnly (handle, !editable); +} + +void setFont (int font, double size) { + super.setFont (font, size); + //FIXME +// setTabStops (tabs); +} + +/** + * Sets the orientation of the receiver, which must be one + * of the constants <code>SWT.LEFT_TO_RIGHT</code> or <code>SWT.RIGHT_TO_LEFT</code>. + * <p> + * Note: This operation is a hint and is not supported on + * platforms that do not have this concept. + * </p> + * + * @param orientation new orientation style + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.1.2 + */ +public void setOrientation (int orientation) { + checkWidget(); + int flags = SWT.RIGHT_TO_LEFT | SWT.LEFT_TO_RIGHT; + if ((orientation & flags) == 0 || (orientation & flags) == flags) return; + style &= ~flags; + style |= orientation & flags; + //FIXME FrameworkElement.FlowDirection ?? +} + +/** + * Sets the selection. + * <p> + * Indexing is zero based. The range of + * a selection is from 0..N where N is + * the number of characters in the widget. + * </p><p> + * Text selections are specified in terms of + * caret positions. In a text widget that + * contains N characters, there are N+1 caret + * positions, ranging from 0..N. This differs + * from other functions that address character + * position such as getText () that use the + * regular array indexing rules. + * </p> + * + * @param start new caret position + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (int start) { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) return; + OS.TextBox_CaretIndex (handle, start); +} + +/** + * Sets the selection to the range specified + * by the given start and end indices. + * <p> + * Indexing is zero based. The range of + * a selection is from 0..N where N is + * the number of characters in the widget. + * </p><p> + * Text selections are specified in terms of + * caret positions. In a text widget that + * contains N characters, there are N+1 caret + * positions, ranging from 0..N. This differs + * from other functions that address character + * position such as getText () that use the + * usual array indexing rules. + * </p> + * + * @param start the start of the range + * @param end the end of the range + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (int start, int end) { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) return; + int first = Math.max (Math.min (start, end), 0); + int last = Math.min (Math.max (start, end), getCharCount ()); + OS.TextBox_Select (handle, first, last-first); +} + +/** + * Sets the selection to the range specified + * by the given point, where the x coordinate + * represents the start index and the y coordinate + * represents the end index. + * <p> + * Indexing is zero based. The range of + * a selection is from 0..N where N is + * the number of characters in the widget. + * </p><p> + * Text selections are specified in terms of + * caret positions. In a text widget that + * contains N characters, there are N+1 caret + * positions, ranging from 0..N. This differs + * from other functions that address character + * position such as getText () that use the + * usual array indexing rules. + * </p> + * + * @param selection the point + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (Point selection) { + checkWidget (); + if (selection == null) error (SWT.ERROR_NULL_ARGUMENT); + setSelection (selection.x, selection.y); +} + +/** + * Sets the number of tabs. + * <p> + * Tab stop spacing is specified in terms of the + * space (' ') character. The width of a single + * tab stop is the pixel width of the spaces. + * </p> + * + * @param tabs the number of tabs + * + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setTabs (int tabs) { + checkWidget (); + if (tabs < 0) return; + //FIXME +// setTabStops (this.tabs = tabs); +} + +/** + * Sets the contents of the receiver to the given string. If the receiver has style + * SINGLE and the argument contains multiple lines of text, the result of this + * operation is undefined and may vary from platform to platform. + * + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if (hooks (SWT.Verify) || filters (SWT.Verify)) { + string = verifyText (string); + if (string == null) return; + } + int ptr = createDotNetString (string, false); + if ((style & SWT.PASSWORD) != 0) { + OS.PasswordBox_Password (handle, ptr); + } else { + OS.TextBox_Text (handle, ptr); + } + OS.GCHandle_Free (ptr); +} + +/** + * Sets the maximum number of characters that the receiver + * is capable of holding to be the argument. + * <p> + * Instead of trying to set the text limit to zero, consider + * creating a read-only text widget. + * </p><p> + * To reset this value to the default, use <code>setTextLimit(Text.LIMIT)</code>. + * Specifying a limit value larger than <code>Text.LIMIT</code> sets the + * receiver's limit to <code>Text.LIMIT</code>. + * </p> + * + * @param limit new text limit + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_CANNOT_BE_ZERO - if the limit is zero</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #LIMIT + */ +public void setTextLimit (int limit) { + checkWidget (); + if (limit == 0) error (SWT.ERROR_CANNOT_BE_ZERO); + if (limit < 0) limit = LIMIT; + limit = Math.min (limit, LIMIT); + if ((style & SWT.PASSWORD) != 0) { + OS.PasswordBox_MaxLength (handle, limit); + } else { + OS.TextBox_MaxLength (handle, limit); + } +} + +/** + * Sets the zero-relative index of the line which is currently + * at the top of the receiver. This index can change when lines + * are scrolled or new lines are added and removed. + * + * @param index the index of the top item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setTopIndex (int index) { + checkWidget (); + if ((style & SWT.SINGLE) != 0) return; + if ((style & SWT.PASSWORD) != 0) return; + //FIXME: LineCount returns -1 until widget is realized + int count = OS.TextBox_LineCount (handle); + index = Math.min (Math.max (index, 0), count - 1); + int topIndex = OS.TextBox_GetFirstVisibleLineIndex (handle); + //FIXME ScrollToLine != top index + OS.TextBox_ScrollToLine (handle, index - topIndex); +} + +/** + * Shows the selection. + * <p> + * If the selection is already showing + * in the receiver, this method simply returns. Otherwise, + * lines are scrolled until the selection is visible. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void showSelection () { + checkWidget (); + if ((style & SWT.PASSWORD) != 0) return; + double offset = OS.TextBoxBase_VerticalOffset (handle); + OS.TextBoxBase_ScrollToVerticalOffset (handle, offset); +} + +int traversalCode (int key, int event) { + int bits = super.traversalCode (key, event); + if ((style & SWT.READ_ONLY) != 0) return bits; + if ((style & SWT.MULTI) != 0) { + bits &= ~SWT.TRAVERSE_RETURN; + if (key == OS.Key_Tab && event != 0) { + int keyboardDevice = OS.KeyboardEventArgs_KeyboardDevice(event); + int modifiers = OS.KeyboardDevice_Modifiers(keyboardDevice); + OS.GCHandle_Free(keyboardDevice); + boolean next = (modifiers & OS.ModifierKeys_Shift) == 0; + if (next && (modifiers & OS.ModifierKeys_Control) == 0) { + bits &= ~(SWT.TRAVERSE_TAB_NEXT | SWT.TRAVERSE_TAB_PREVIOUS); + } + } + } + return bits; +} + +String verifyText (String text) { + int start = OS.TextBox_SelectionStart (handle); + int length = OS.TextBox_SelectionLength (handle); + Event event = new Event (); + event.text = text; + event.start = start; + /* + * FIXME: end can be greater than start+length+1 + * when Deleting special characters. + * Note that backspace deletes one character at + * a time. + */ + event.end = start+length+1; + sendEvent (SWT.Verify, event); + if (!event.doit) return null; + return event.text; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ToolBar.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ToolBar.java new file mode 100644 index 0000000000..f7abec01ad --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ToolBar.java @@ -0,0 +1,456 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.internal.wpf.*; + +/** + * Instances of this class support the layout of selectable + * tool bar items. + * <p> + * The item children that may be added to instances of this class + * must be of type <code>ToolItem</code>. + * </p><p> + * Note that although this class is a subclass of <code>Composite</code>, + * it does not make sense to add <code>Control</code> children to it, + * or set a layout on it. + * </p><p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>FLAT, WRAP, RIGHT, HORIZONTAL, VERTICAL, SHADOW_OUT</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * Note: Only one of the styles HORIZONTAL and VERTICAL may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ +public class ToolBar extends Composite { + int parentingHandle, trayHandle; + int itemCount; + Control [] children; + int childCount; + + //TEMPORARY CODE + static boolean IsVertical; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#FLAT + * @see SWT#WRAP + * @see SWT#RIGHT + * @see SWT#HORIZONTAL + * @see SWT#SHADOW_OUT + * @see SWT#VERTICAL + * @see Widget#checkSubclass() + * @see Widget#getStyle() + */ +public ToolBar (Composite parent, int style) { + super (parent, checkStyle (style)); + + /* + * Ensure that either of HORIZONTAL or VERTICAL is set. + * NOTE: HORIZONTAL and VERTICAL have the same values + * as H_SCROLL and V_SCROLL so it is necessary to first + * clear these bits to avoid scroll bars and then reset + * the bits using the original style supplied by the + * programmer. + */ + if ((style & SWT.VERTICAL) != 0) { + this.style |= SWT.VERTICAL; + } else { + this.style |= SWT.HORIZONTAL; + } +} + +static int checkStyle (int style) { + IsVertical = (style & SWT.V_SCROLL) != 0; + /* + * Even though it is legal to create this widget + * with scroll bars, they serve no useful purpose + * because they do not automatically scroll the + * widget's client area. The fix is to clear + * the SWT style. + */ + return style & ~(SWT.H_SCROLL | SWT.V_SCROLL); +} + +void addChild (Control widget) { + super.addChild (widget); + if (childCount == children.length) { + Control [] newChildren = new Control [childCount + 4]; + System.arraycopy(children, 0, newChildren, 0, childCount); + children = newChildren; + } + children [childCount++] = widget; +} + +int backgroundProperty () { + return OS.Control_BackgroundProperty (); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +public Point computeSize (int wHint, int hHint, boolean changed) { + checkWidget (); + return super.computeSize (trayHandle, wHint, hHint, changed); +} + +void createHandle () { + parentingHandle = OS.gcnew_Canvas (); + if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES); + trayHandle = OS.gcnew_ToolBarTray(); + if (trayHandle == 0) error (SWT.ERROR_NO_HANDLES); + if (IsVertical) OS.ToolBarTray_Orientation (trayHandle, OS.Orientation_Vertical); + int children = OS.Panel_Children (parentingHandle); + OS.UIElementCollection_Add (children, trayHandle); + OS.GCHandle_Free (children); + handle = OS.gcnew_ToolBar (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + //FIXME: FLAT, WRAP, RIGHT, SHADOW_OUT + int toolBars = OS.ToolBarTray_ToolBars (trayHandle); + OS.IList_Add (toolBars, handle); + OS.GCHandle_Free (toolBars); + OS.ToolBarTray_IsLocked (trayHandle, true); +} + + +void createItem (ToolItem item, int index) { + if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); + item.createWidget(); + int items = OS.ItemsControl_Items (handle); + OS.ItemCollection_Insert(items, index, item.topHandle ()); + int count = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); + if (itemCount == count) error (SWT.ERROR_ITEM_NOT_ADDED); + itemCount++; +} + +void createWidget () { + super.createWidget(); + children = new Control [4]; +} + +void deregister () { + super.deregister (); + display.removeWidget (trayHandle); + display.removeWidget (parentingHandle); +} + +int defaultBackground () { + if ((style & SWT.FLAT) != 0) { + return OS.Colors_Transparent; + } + return 0; +} + +void destroyItem (ToolItem item) { + int items = OS.ItemsControl_Items (handle); + OS.ItemCollection_Remove (items, item.topHandle ()); + int count = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); + if (itemCount == count) error (SWT.ERROR_ITEM_NOT_REMOVED); + itemCount--; +} + +Control [] _getChildren () { + // return children in reverse order. + Control[] result = new Control [childCount]; + for (int i =0; i < childCount; i++) { + result [childCount - i - 1] = children [i]; + } + return result; +} + +ToolItem getItem (int items, int index) { + int item = OS.ItemCollection_GetItemAt (items, index); + ToolItem result = (ToolItem) display.getWidget (item); + OS.GCHandle_Free (item); + return result; +} + +/** + * Returns the item at the given, zero-relative index in the + * receiver. Throws an exception if the index is out of range. + * + * @param index the index of the item to return + * @return the item at the given index + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public ToolItem getItem (int index) { + checkWidget (); + if (index < 0 || index >= itemCount) error (SWT.ERROR_INVALID_RANGE); + int items = OS.ItemsControl_Items (handle); + ToolItem result = getItem (items, index); + OS.GCHandle_Free (items); + return result; +} + +/** + * Returns the item at the given point in the receiver + * or null if no such item exists. The point is in the + * coordinate system of the receiver. + * + * @param point the point used to locate the item + * @return the item at the given point + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public ToolItem getItem (Point point) { + checkWidget (); + if (point == null) error (SWT.ERROR_NULL_ARGUMENT); + ToolItem [] items = getItems (); + for (int i=0; i<items.length; i++) { + Rectangle rect = items [i].getBounds (); + if (rect.contains (point)) return items [i]; + } + return null; +} + +/** + * Returns the number of items contained in the receiver. + * + * @return the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemCount () { + checkWidget (); + return itemCount; +} + +/** + * Returns an array of <code>ToolItem</code>s which are the items + * in the receiver. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the items in the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public ToolItem [] getItems () { + checkWidget (); + ToolItem [] result = new ToolItem [itemCount]; + int items = OS.ItemsControl_Items (handle); + for (int i = 0; i < itemCount; i++) { + result[i] = getItem (items, i); + } + OS.GCHandle_Free (items); + return result; +} + +/** + * Returns the number of rows in the receiver. When + * the receiver has the <code>WRAP</code> style, the + * number of rows can be greater than one. Otherwise, + * the number of rows is always one. + * + * @return the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getRowCount () { + checkWidget (); + //FIXME: when WRAP implemented + return 1; +} + +boolean hasItems () { + return true; +} + +void HandleLoaded (int sender, int e) { + if (!checkEvent (e)) return; + int template = OS.Control_Template (handle); + int name = createDotNetString ("OverflowButton", false); + int thumb = OS.FrameworkTemplate_FindName (template, name, handle); + if (thumb != 0) { + OS.UIElement_Visibility (thumb, OS.Visibility_Collapsed); + OS.GCHandle_Free (thumb); + } + OS.GCHandle_Free (name); + OS.GCHandle_Free (template); +} + +void hookEvents() { + super.hookEvents (); + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleLoaded"); + OS.FrameworkElement_Loaded (handle, handler); + OS.GCHandle_Free (handler); +} + +/** + * Searches the receiver's list starting at the first item + * (index 0) until an item is found that is equal to the + * argument, and returns the index of that item. If no item + * is found, returns -1. + * + * @param item the search item + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the tool item is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the tool item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int indexOf (ToolItem item) { + checkWidget (); + if (item == null) error (SWT.ERROR_NULL_ARGUMENT); + if (item.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); + int items = OS.ItemsControl_Items (handle); + int index = OS.ItemCollection_IndexOf (items, item.topHandle ()); + OS.GCHandle_Free (items); + return index; +} + +boolean mnemonicHit (char key) { + //TODO + return false; +} + +boolean mnemonicMatch (char key) { +// for (int i=0; i<itemCount; i++) { +// if (mnemonicMatch (items [i].textHandle, key)) return true; +// } + return false; +} + +int parentingHandle () { + return parentingHandle; +} + +void register () { + super.register (); + display.addWidget (trayHandle, this); + display.addWidget (parentingHandle, this); +} + +void releaseChildren (boolean destroy) { + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + ToolItem item = getItem (items, i); + if (item != null && !item.isDisposed ()) item.release (false); + } + OS.GCHandle_Free (items); + super.releaseChildren (destroy); +} + +void removeChild (Control control) { + super.removeChild (control); + int index = 0; + while (index < childCount) { + if (children [index] == control) break; + index++; + } + if (index == childCount) return; + System.arraycopy(children, index+1, children, index, --childCount - index); + children [childCount] = null; +} + +void releaseHandle () { + super.releaseHandle (); + if (trayHandle != 0) OS.GCHandle_Free (trayHandle); + trayHandle = 0; + if (parentingHandle != 0) OS.GCHandle_Free (parentingHandle); + parentingHandle = 0; +} + +void removeControl (Control control) { + super.removeControl (control); + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + ToolItem item = getItem (items, i); + if (item.control == control) item.setControl (null); + } +} + +int setBounds (int x, int y, int width, int height, int flags) { + int result = super.setBounds (x, y, width, height, flags); + if ((result & RESIZED) != 0) { + OS.FrameworkElement_Height (trayHandle, height); + OS.FrameworkElement_Width (trayHandle, width); + } + return result; +} + +void setForegroundBrush (int brush) { + if (brush != 0) { + OS.Control_Foreground (handle, brush); + } else { + int property = OS.Control_ForegroundProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + } +} + +int topHandle() { + return parentingHandle; +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ToolItem.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ToolItem.java new file mode 100644 index 0000000000..67c21b6710 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ToolItem.java @@ -0,0 +1,820 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class represent a selectable user interface object + * that represents a button in a tool bar. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>PUSH, CHECK, RADIO, SEPARATOR, DROP_DOWN</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection</dd> + * </dl> + * <p> + * Note: Only one of the styles CHECK, PUSH, RADIO, SEPARATOR and DROP_DOWN + * may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ +public class ToolItem extends Item { + int imageHandle, textHandle, arrowHandle; + ToolBar parent; + Control control; + String toolTipText; + Image disabledImage, hotImage; + boolean ignoreSelection; + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>ToolBar</code>) and a style value + * describing its behavior and appearance. The item is added + * to the end of the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#PUSH + * @see SWT#CHECK + * @see SWT#RADIO + * @see SWT#SEPARATOR + * @see SWT#DROP_DOWN + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public ToolItem (ToolBar parent, int style) { + super (parent, checkStyle (style)); + this.parent = parent; + parent.createItem (this, parent.getItemCount ()); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>ToolBar</code>), a style value + * describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * @param index the zero-relative index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#PUSH + * @see SWT#CHECK + * @see SWT#RADIO + * @see SWT#SEPARATOR + * @see SWT#DROP_DOWN + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public ToolItem (ToolBar parent, int style, int index) { + super (parent, checkStyle (style)); + this.parent = parent; + parent.createItem (this, index); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is selected, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * When <code>widgetSelected</code> is called when the mouse is over the arrow portion of a drop-down tool, + * the event object detail field contains the value <code>SWT.ARROW</code>. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +static int checkStyle (int style) { + return checkBits (style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.DROP_DOWN, 0); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +int createArrow () { + int geometry = OS.gcnew_StreamGeometry (); + int context = OS.StreamGeometry_Open (geometry); + int start = OS.gcnew_Point (0, 1); + int point = OS.gcnew_Point (3, 4); + int end = OS.gcnew_Point (6, 1); + OS.StreamGeometryContext_BeginFigure (context, start, true, true); + OS.StreamGeometryContext_LineTo (context, point, true, true); + OS.StreamGeometryContext_LineTo (context, end, true, true); + OS.StreamGeometryContext_Close (context); + int path = OS.gcnew_Path (); + OS.Path_Data (path, geometry); + int padding = OS.gcnew_Thickness (3, 0, 0, 0); + OS.FrameworkElement_Margin (path, padding); + int brush = OS.Brushes_Black (); + OS.Path_Fill (path, brush); + OS.FrameworkElement_Width (path, 6); + OS.FrameworkElement_Height (path, 6); + OS.FrameworkElement_HorizontalAlignment (path, OS.HorizontalAlignment_Center); + OS.FrameworkElement_VerticalAlignment (path, OS.VerticalAlignment_Center); + OS.GCHandle_Free (padding); + OS.GCHandle_Free (start); + OS.GCHandle_Free (point); + OS.GCHandle_Free (end); + OS.GCHandle_Free (brush); + OS.GCHandle_Free (context); + OS.GCHandle_Free (geometry); + return path; +} + +void createHandle () { + if ((style & SWT.SEPARATOR) != 0) { + handle = OS.gcnew_Separator (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + return; + } + int bits = SWT.RADIO | SWT.CHECK | SWT.PUSH | SWT.DROP_DOWN; + switch (style & bits) { + case SWT.RADIO: + handle = OS.gcnew_RadioButton(); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + break; + case SWT.CHECK: + handle = OS.gcnew_CheckBox(); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + break; + case SWT.DROP_DOWN: + handle = OS.gcnew_Button(); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + break; + case SWT.PUSH: + default: + handle = OS.gcnew_Button(); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + break; + } + OS.ToolBar_SetOverflowMode (handle, OS.OverflowMode_Never); + imageHandle = OS.gcnew_Image (); + if (imageHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.Image_Stretch (imageHandle, OS.Stretch_None); + OS.UIElement_Visibility (imageHandle, OS.Visibility_Collapsed); + textHandle = OS.gcnew_AccessText (); + if (textHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_VerticalAlignment (textHandle, OS.VerticalAlignment_Center); + OS.FrameworkElement_HorizontalAlignment (textHandle, OS.HorizontalAlignment_Center); + int panel = OS.gcnew_StackPanel (); + if (panel == 0) error (SWT.ERROR_NO_HANDLES); + int orientation = (parent.style & SWT.RIGHT) != 0 ? OS.Orientation_Horizontal : OS.Orientation_Vertical; + OS.StackPanel_Orientation (panel, orientation); + int thickness = OS.gcnew_Thickness (1, 1, 1, 1); + if (thickness == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_Margin (panel, thickness); + OS.GCHandle_Free (thickness); + int children = OS.Panel_Children (panel); + OS.UIElementCollection_Add (children, imageHandle); + OS.UIElementCollection_Add (children, textHandle); + if ((style & SWT.DROP_DOWN) != 0) { + arrowHandle = createArrow (); + if ((parent.style & SWT.RIGHT) != 0) { + OS.UIElementCollection_Add (children, arrowHandle); + } else { + int newPanel = OS.gcnew_StackPanel (); + OS.StackPanel_Orientation (newPanel, OS.Orientation_Horizontal); + int horizontalChildren = OS.Panel_Children (newPanel); + OS.UIElementCollection_Add (horizontalChildren, panel); + OS.UIElementCollection_Add (horizontalChildren, arrowHandle); + OS.GCHandle_Free (horizontalChildren); + OS.GCHandle_Free (panel); + panel = newPanel; + } + } + OS.ContentControl_Content (handle, panel); + OS.GCHandle_Free (children); + OS.GCHandle_Free (panel); +} + +void deregister () { + display.removeWidget (handle); +} + +void destroyWidget () { + parent.destroyItem (this); + releaseHandle (); +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent. + * + * @return the receiver's bounding rectangle + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Rectangle getBounds () { + checkWidget (); + int parentHandle = parent.handle; + int topHandle = control == null ? topHandle () : control.topHandle (); + int point = OS.gcnew_Point (0, 0); + if (point == 0) error (SWT.ERROR_NO_HANDLES); + int location = OS.UIElement_TranslatePoint (topHandle, point, parentHandle); + int x = (int) OS.Point_X (location); + int y = (int) OS.Point_Y (location); + OS.GCHandle_Free (point); + OS.GCHandle_Free (location); + int width = (int) OS.FrameworkElement_ActualWidth (topHandle); + int height = (int) OS.FrameworkElement_ActualHeight (topHandle); + return new Rectangle (x, y, width, height); +} + +/** + * Returns the control that is used to fill the bounds of + * the item when the item is a <code>SEPARATOR</code>. + * + * @return the control + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Control getControl () { + checkWidget (); + return control; +} + +/** + * Returns the receiver's disabled image if it has one, or null + * if it does not. + * <p> + * The disabled image is displayed when the receiver is disabled. + * </p> + * + * @return the receiver's disabled image + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Image getDisabledImage () { + checkWidget (); + return disabledImage; +} + +/** + * Returns <code>true</code> if the receiver is enabled, and + * <code>false</code> otherwise. A disabled control is typically + * not selectable from the user interface and draws with an + * inactive or "grayed" look. + * + * @return the receiver's enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #isEnabled + */ +public boolean getEnabled () { + checkWidget (); + return OS.UIElement_IsEnabled (handle); +} + +/** + * Returns the receiver's hot image if it has one, or null + * if it does not. + * <p> + * The hot image is displayed when the mouse enters the receiver. + * </p> + * + * @return the receiver's hot image + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Image getHotImage () { + checkWidget (); + return hotImage; +} + +/** + * Returns the receiver's parent, which must be a <code>ToolBar</code>. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public ToolBar getParent () { + checkWidget (); + return parent; +} + +/** + * Returns <code>true</code> if the receiver is selected, + * and false otherwise. + * <p> + * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, + * it is selected when it is checked (which some platforms draw as a + * pushed in button). If the receiver is of any other type, this method + * returns false. + * </p> + * + * @return the selection state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getSelection () { + checkWidget (); + if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return false; + return OS.ToggleButton_IsChecked(handle); +} + +/** + * Returns the receiver's tool tip text, or null if it has not been set. + * + * @return the receiver's tool tip text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public String getToolTipText () { + checkWidget (); + return toolTipText; +} + +Control getWidgetControl () { + return parent; +} + +/** + * Gets the width of the receiver. + * + * @return the width + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getWidth () { + checkWidget (); + return (int) OS.FrameworkElement_ActualWidth (topHandle ()); +} + +void HandleChecked (int sender, int e) { + if (!checkEvent (e)) return; + if (ignoreSelection) return; + postEvent (SWT.Selection); +} + +void HandleClick (int sender, int e) { + if (!checkEvent (e)) return; + if (ignoreSelection) return; + Event event = new Event (); + if ((style & SWT.DROP_DOWN) != 0) { + int mousePos = OS.Mouse_GetPosition (handle); + int zero = OS.gcnew_Point (0, 0); + int arrowPos = OS.UIElement_TranslatePoint (arrowHandle, zero, handle); + if (OS.Point_X (mousePos) > OS.Point_X (arrowPos)) { + event.detail = SWT.DROP_DOWN; + int location = OS.UIElement_TranslatePoint (handle, zero, parent.handle); + event.x = (int) OS.Point_X (location); + event.y = (int) OS.Point_Y (location); + OS.GCHandle_Free (location); + } + OS.GCHandle_Free (arrowPos); + OS.GCHandle_Free (zero); + OS.GCHandle_Free (mousePos); + } + postEvent (SWT.Selection, event); +} + +void HandleUnchecked (int sender, int e) { + if (!checkEvent (e)) return; + if (ignoreSelection) return; + postEvent (SWT.Selection); +} + +void HandleMouseEnter (int sender, int e) { + if (!checkEvent (e)) return; + updateImages (getEnabled () && parent.getEnabled ()); +} + +void HandleMouseLeave (int sender, int e) { + if (!checkEvent (e)) return; + updateImages (getEnabled () && parent.getEnabled ()); +} + +void hookEvents() { + super.hookEvents (); + if ((style & SWT.SEPARATOR) != 0) return; + if ((style & (SWT.RADIO | SWT.CHECK)) != 0) { + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleChecked"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.ToggleButton_Checked (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleUnchecked"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.ToggleButton_Unchecked (handle, handler); + OS.GCHandle_Free (handler); + } else { + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleClick"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.ButtonBase_Click (handle, handler); + OS.GCHandle_Free (handler); + } + int handler = OS.gcnew_MouseEventHandler (jniRef, "HandleMouseEnter"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.UIElement_MouseEnter (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_MouseEventHandler (jniRef, "HandleMouseLeave"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.UIElement_MouseLeave (handle, handler); + OS.GCHandle_Free (handler); +} + +/** + * Returns <code>true</code> if the receiver is enabled and all + * of the receiver's ancestors are enabled, and <code>false</code> + * otherwise. A disabled control is typically not selectable from the + * user interface and draws with an inactive or "grayed" look. + * + * @return the receiver's enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getEnabled + */ +public boolean isEnabled () { + checkWidget (); + return getEnabled () && parent.isEnabled (); +} + +void register () { + display.addWidget (handle, this); +} + +void releaseWidget () { + super.releaseWidget (); + control = null; + toolTipText = null; + image = disabledImage = hotImage = null; + deregister (); +} + +void releaseHandle () { + super.releaseHandle (); + if (handle != 0) OS.GCHandle_Free (handle); + handle = 0; + if (imageHandle != 0) { + OS.GCHandle_Free (imageHandle); + imageHandle = 0; + } + if (textHandle != 0) { + OS.GCHandle_Free (textHandle); + textHandle = 0; + } + if (arrowHandle != 0) { + OS.GCHandle_Free (arrowHandle); + arrowHandle = 0; + } + parent = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is selected. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Sets the control that is used to fill the bounds of + * the item when the item is a <code>SEPARATOR</code>. + * + * @param control the new control + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> + * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setControl (Control control) { + checkWidget (); + if (control != null) { + if (control.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + if (control.parent != parent) error (SWT.ERROR_INVALID_PARENT); + } + if ((style & SWT.SEPARATOR) == 0) return; + //TODO +// Control oldControl = this.control, newControl = control; +// this.control = control; +// int parentHandle = parent.parentingHandle (); +// int parentChildren = OS.Panel_Children (parentHandle); +// if (oldControl != null) { +// int topHandle = oldControl.topHandle (); +// OS.UIElementCollection_Remove (parentChildren, topHandle); +// } +// OS.GCHandle_Free (parentChildren); +// +// parent.setControl (this, newControl); + this.control = control; +} + +/** + * Enables the receiver if the argument is <code>true</code>, + * and disables it otherwise. + * <p> + * A disabled control is typically + * not selectable from the user interface and draws with an + * inactive or "grayed" look. + * </p> + * + * @param enabled the new enabled state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setEnabled (boolean enabled) { + checkWidget (); + OS.UIElement_IsEnabled (handle, enabled); + updateImages (enabled && parent.getEnabled ()); +} + +/** + * Sets the receiver's disabled image to the argument, which may be + * null indicating that no disabled image should be displayed. + * <p> + * The disbled image is displayed when the receiver is disabled. + * </p> + * + * @param image the disabled image to display on the receiver (may be null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setDisabledImage (Image image) { + checkWidget (); + if ((style & SWT.SEPARATOR) != 0) return; + if (image != null && image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + disabledImage = image; + updateImages (getEnabled () && parent.getEnabled ()); +} + +/** + * Sets the receiver's hot image to the argument, which may be + * null indicating that no hot image should be displayed. + * <p> + * The hot image is displayed when the mouse enters the receiver. + * </p> + * + * @param image the hot image to display on the receiver (may be null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setHotImage (Image image) { + checkWidget (); + if ((style & SWT.SEPARATOR) != 0) return; + if (image != null && image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + hotImage = image; + updateImages (getEnabled () && parent.getEnabled ()); +} + +public void setImage (Image image) { + checkWidget (); + if ((style & SWT.SEPARATOR) != 0) return; + if (image != null && image.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + super.setImage (image); + updateImages (getEnabled () && parent.getEnabled ()); +} + +/** + * Sets the selection state of the receiver. + * <p> + * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, + * it is selected when it is checked (which some platforms draw as a + * pushed in button). + * </p> + * + * @param selected the new selection state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setSelection (boolean selected) { + checkWidget (); + if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return; + ignoreSelection = true; + OS.ToggleButton_IsChecked (handle, selected); + ignoreSelection = false; +} + +/** + * Sets the receiver's text. The string may include + * the mnemonic character. + * </p> + * <p> + * Mnemonics are indicated by an '&' that causes the next + * character to be the mnemonic. When the user presses a + * key sequence that matches the mnemonic, a selection + * event occurs. On most platforms, the mnemonic appears + * underlined but may be emphasised in a platform specific + * manner. The mnemonic indicator character '&' can be + * escaped by doubling it in the string, causing a single + * '&' to be displayed. + * </p> + * + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if ((style & SWT.SEPARATOR) != 0) return; + if (string.equals (text)) return; + super.setText (string); + int strPtr = createDotNetString (string, true); + if (strPtr == 0) error (SWT.ERROR_NO_HANDLES); + OS.AccessText_Text (textHandle, strPtr); + OS.GCHandle_Free (strPtr); + OS.UIElement_Visibility (textHandle, string.length() == 0 && image != null ? OS.Visibility_Collapsed : OS.Visibility_Visible); + int spacing = image != null && text.length () != 0 ? 3 : 0; + int margin = (parent.style & SWT.RIGHT) != 0 ? OS.gcnew_Thickness (0, 0, spacing, 0) : OS.gcnew_Thickness (0, 0, 0, spacing); + OS.FrameworkElement_Margin (imageHandle, margin); + OS.GCHandle_Free (margin); +} + +/** + * Sets the receiver's tool tip text to the argument, which + * may be null indicating that no tool tip text should be shown. + * + * @param string the new tool tip text (or null) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setToolTipText (String string) { + checkWidget (); + toolTipText = string; +} + +/** + * Sets the width of the receiver, for <code>SEPARATOR</code> ToolItems. + * + * @param width the new width + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setWidth (int width) { + checkWidget (); + int controlHandle = control != null ? control.handle : handle; + OS.FrameworkElement_Width (controlHandle, width); +} + +void updateImages (boolean enabled) { + if ((style & SWT.SEPARATOR) != 0) return; + Image next = image; + if (image != null && !enabled && disabledImage != null) next = disabledImage; + if (image != null && enabled && hotImage != null && OS.UIElement_IsMouseOver (handle)) next = hotImage; + OS.Image_Source (imageHandle, next != null ? next.handle : 0); + OS.UIElement_Visibility (imageHandle, next != null ? OS.Visibility_Visible : OS.Visibility_Collapsed); + OS.UIElement_Visibility (textHandle, next != null && text.length () == 0 ? OS.Visibility_Collapsed : OS.Visibility_Visible); + int spacing = next != null && text.length () != 0 ? 3 : 0; + int margin = (parent.style & SWT.RIGHT) != 0 ? OS.gcnew_Thickness (0, 0, spacing, 0) : OS.gcnew_Thickness (0, 0, 0, spacing); + if (margin == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_Margin (imageHandle, margin); + OS.GCHandle_Free (margin); +} +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Tracker.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Tracker.java new file mode 100644 index 0000000000..8b8a965afb --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Tracker.java @@ -0,0 +1,877 @@ +/******************************************************************************* + * Copyright (c) 2000, 2005 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class implement rubber banding rectangles that are + * drawn onto a parent <code>Composite</code> or <code>Display</code>. + * These rectangles can be specified to respond to mouse and key events + * by either moving or resizing themselves accordingly. Trackers are + * typically used to represent window geometries in a lightweight manner. + * + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>LEFT, RIGHT, UP, DOWN, RESIZE</dd> + * <dt><b>Events:</b></dt> + * <dd>Move, Resize</dd> + * </dl> + * <p> + * Note: Rectangle move behavior is assumed unless RESIZE is specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ +public class Tracker extends Widget { + Control parent; + boolean tracking, cancelled, stippled; + Rectangle [] rectangles, proportions; + Rectangle bounds; + int resizeCursor, clientCursor, cursorOrientation = SWT.NONE; + int oldX, oldY; + int [] rectShapes; + int canvasHandle; + + /* + * The following values mirror step sizes on Windows + */ + final static int STEPSIZE_SMALL = 1; + final static int STEPSIZE_LARGE = 9; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a widget which will be the parent of the new instance (cannot be null) + * @param style the style of widget to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#LEFT + * @see SWT#RIGHT + * @see SWT#UP + * @see SWT#DOWN + * @see SWT#RESIZE + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Tracker (Composite parent, int style) { + super (parent, checkStyle (style)); + this.parent = parent; +} + +/** + * Constructs a new instance of this class given the display + * to create it on and a style value describing its behavior + * and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p><p> + * Note: Currently, null can be passed in for the display argument. + * This has the effect of creating the tracker on the currently active + * display if there is one. If there is no current display, the + * tracker is created on a "default" display. <b>Passing in null as + * the display argument is not considered to be good coding style, + * and may not be supported in a future release of SWT.</b> + * </p> + * + * @param display the display to create the tracker on + * @param style the style of control to construct + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#LEFT + * @see SWT#RIGHT + * @see SWT#UP + * @see SWT#DOWN + */ +public Tracker (Display display, int style) { + if (display == null) display = Display.getCurrent (); + if (display == null) display = Display.getDefault (); + if (!display.isValidThread ()) { + error (SWT.ERROR_THREAD_INVALID_ACCESS); + } + this.style = checkStyle (style); + this.display = display; +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is moved or resized, by sending + * it one of the messages defined in the <code>ControlListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ControlListener + * @see #removeControlListener + */ +public void addControlListener (ControlListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Resize, typedListener); + addListener (SWT.Move, typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when keys are pressed and released on the system keyboard, by sending + * it one of the messages defined in the <code>KeyListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see KeyListener + * @see #removeKeyListener + */ +public void addKeyListener (KeyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.KeyUp,typedListener); + addListener (SWT.KeyDown,typedListener); +} + +Point adjustMoveCursor () { + int newX = bounds.x + bounds.width / 2; + int newY = bounds.y; + if (parent != null) { + int point = OS.gcnew_Point (newX, newY); + int result = OS.Visual_PointToScreen (handle, point); + newX = (int) OS.Point_X(result); + newY = (int) OS.Point_Y(result); + OS.GCHandle_Free (point); + OS.GCHandle_Free (result); + } + OS.SetCursorPos (newX, newY); + return new Point (newX, newY); +} + +Point adjustResizeCursor () { + int newX, newY; + if ((cursorOrientation & SWT.LEFT) != 0) { + newX = bounds.x; + } else if ((cursorOrientation & SWT.RIGHT) != 0) { + newX = bounds.x + bounds.width; + } else { + newX = bounds.x + bounds.width / 2; + } + if ((cursorOrientation & SWT.UP) != 0) { + newY = bounds.y; + } else if ((cursorOrientation & SWT.DOWN) != 0) { + newY = bounds.y + bounds.height; + } else { + newY = bounds.y + bounds.height / 2; + } + + if (parent != null) { + int point = OS.gcnew_Point (newX, newY); + int result = OS.Visual_PointToScreen (handle, point); + newX = (int) OS.Point_X(result); + newY = (int) OS.Point_Y(result); + OS.GCHandle_Free (point); + OS.GCHandle_Free (result); + } + OS.SetCursorPos (newX, newY); + + /* + * If the client has not provided a custom cursor then determine + * the appropriate resize cursor. + */ + if (clientCursor == 0) { + int newCursor = 0; + switch (cursorOrientation) { + case SWT.UP: + newCursor = OS.Cursors_SizeNS(); + break; + case SWT.DOWN: + newCursor = OS.Cursors_SizeNS(); + break; + case SWT.LEFT: + newCursor = OS.Cursors_SizeWE(); + break; + case SWT.RIGHT: + newCursor = OS.Cursors_SizeWE(); + break; + case SWT.LEFT | SWT.UP: + newCursor = OS.Cursors_SizeNWSE(); + break; + case SWT.RIGHT | SWT.DOWN: + newCursor = OS.Cursors_SizeNWSE(); + break; + case SWT.LEFT | SWT.DOWN: + newCursor = OS.Cursors_SizeNESW(); + break; + case SWT.RIGHT | SWT.UP: + newCursor = OS.Cursors_SizeNESW(); + break; + default: + newCursor = OS.Cursors_SizeAll(); + break; + } + OS.FrameworkElement_Cursor (handle, newCursor); + if (resizeCursor != 0) { + OS.GCHandle_Free (resizeCursor); + } + resizeCursor = newCursor; + } + return new Point (newX, newY); +} + +static int checkStyle (int style) { + if ((style & (SWT.LEFT | SWT.RIGHT | SWT.UP | SWT.DOWN)) == 0) { + style |= SWT.LEFT | SWT.RIGHT | SWT.UP | SWT.DOWN; + } + return style; +} + +/** + * Stops displaying the tracker rectangles. Note that this is not considered + * to be a cancelation by the user. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void close () { + checkWidget (); + tracking = false; +} + +Rectangle computeBounds () { + int xMin = rectangles [0].x; + int yMin = rectangles [0].y; + int xMax = rectangles [0].x + rectangles [0].width; + int yMax = rectangles [0].y + rectangles [0].height; + + for (int i = 1; i < rectangles.length; i++) { + if (rectangles [i].x < xMin) xMin = rectangles [i].x; + if (rectangles [i].y < yMin) yMin = rectangles [i].y; + int rectRight = rectangles [i].x + rectangles [i].width; + if (rectRight > xMax) xMax = rectRight; + int rectBottom = rectangles [i].y + rectangles [i].height; + if (rectBottom > yMax) yMax = rectBottom; + } + + return new Rectangle (xMin, yMin, xMax - xMin, yMax - yMin); +} + +Rectangle [] computeProportions (Rectangle [] rects) { + Rectangle [] result = new Rectangle [rects.length]; + bounds = computeBounds (); + for (int i = 0; i < rects.length; i++) { + int x = 0, y = 0, width = 0, height = 0; + if (bounds.width != 0) { + x = (rects [i].x - bounds.x) * 100 / bounds.width; + width = rects [i].width * 100 / bounds.width; + } else { + width = 100; + } + if (bounds.height != 0) { + y = (rects [i].y - bounds.y) * 100 / bounds.height; + height = rects [i].height * 100 / bounds.height; + } else { + height = 100; + } + result [i] = new Rectangle (x, y, width, height); + } + return result; +} + +/** + * Draw the rectangles displayed by the tracker. + */ +void drawRectangles () { + for (int i = 0; i < rectShapes.length; i++) { + Rectangle rect = rectangles [i]; + int child = rectShapes [i]; + OS.Canvas_SetLeft (child, rect.x); + OS.Canvas_SetTop (child, rect.y); + OS.FrameworkElement_Width (child, rect.width); + OS.FrameworkElement_Height (child, rect.height); + } +} + +/** + * Returns the bounds that are being drawn, expressed relative to the parent + * widget. If the parent is a <code>Display</code> then these are screen + * coordinates. + * + * @return the bounds of the Rectangles being drawn + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Rectangle [] getRectangles () { + checkWidget(); + int length = 0; + if (rectangles != null) length = rectangles.length; + Rectangle [] result = new Rectangle [length]; + for (int i = 0; i < length; i++) { + Rectangle current = rectangles [i]; + result [i] = new Rectangle (current.x, current.y, current.width, current.height); + } + return result; +} + +/** + * Returns <code>true</code> if the rectangles are drawn with a stippled line, <code>false</code> otherwise. + * + * @return the stippled effect of the rectangles + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getStippled () { + checkWidget (); + return stippled; +} + +void HandleKeyUp (int sender, int e) { + if (!sendKeyEvent(SWT.KeyUp, e, false)) return; +} + +void HandleKeyDown (int sender, int e) { + if (!sendKeyEvent(SWT.KeyDown, e, false)) return; + + boolean ctrlDown = (OS.Keyboard_Modifiers() & OS.ModifierKeys_Control) != 0; + int stepSize = ctrlDown ? STEPSIZE_SMALL : STEPSIZE_LARGE; + int key = OS.KeyEventArgs_Key(e); + int xChange = 0, yChange = 0; + switch (key) { + case OS.Key_System: + case OS.Key_Escape: + cancelled = true; + tracking = false; + break; + case OS.Key_Return: + tracking = false; + break; + case OS.Key_Left: + xChange = -stepSize; + break; + case OS.Key_Right: + xChange = stepSize; + break; + case OS.Key_Up: + yChange = -stepSize; + break; + case OS.Key_Down: + yChange = stepSize; + break; + } + if (xChange != 0 || yChange != 0) { + Event event = new Event (); + event.x = oldX + xChange; + event.y = oldY + yChange; + Point cursorPos; + if ((style & SWT.RESIZE) != 0) { + resizeRectangles (xChange, yChange); + sendEvent (SWT.Resize, event); + if (isDisposed ()) { + cancelled = true; + return; + } + drawRectangles (); + cursorPos = adjustResizeCursor (); + } else { + moveRectangles (xChange, yChange); + sendEvent (SWT.Move, event); + if (isDisposed ()) { + cancelled = true; + return; + } + drawRectangles (); + cursorPos = adjustMoveCursor (); + } + oldX = cursorPos.x; + oldY = cursorPos.y; + } +} + +void HandleMouseUp (int sender, int e) { + if (!sendMouseEvent(SWT.MouseUp, e, false)) return; + tracking = false; +} + +void HandleMouseDown (int sender, int e) { + if (!sendMouseEvent(SWT.MouseDown, e, false)) return; + tracking = false; +} + +void HandleMouseMove (int sender, int e) { + if (!sendMouseEvent(SWT.MouseMove, e, false)) return; + int point = OS.MouseEventArgs_GetPosition (e, handle); + int newX = (int) OS.Point_X (point); + int newY = (int) OS.Point_Y (point); + OS.GCHandle_Free (point); + if (newX != oldX || newY != oldY) { + Event event = new Event (); + event.x = newX; + event.y = newY; + if ((style & SWT.RESIZE) != 0) { + resizeRectangles (newX - oldX, newY - oldY); + sendEvent (SWT.Resize, event); + if (isDisposed ()) { + cancelled = true; + } + drawRectangles (); + Point cursorPos = adjustResizeCursor (); + if (cursorPos != null) { + newX = cursorPos.x; + newY = cursorPos.y; + } + } else { + moveRectangles (newX - oldX, newY - oldY); + sendEvent (SWT.Move, event); + if (isDisposed ()) { + cancelled = true; + } + drawRectangles (); + } + oldX = newX; + oldY = newY; + } +} + +void moveRectangles (int xChange, int yChange) { + if (xChange < 0 && ((style & SWT.LEFT) == 0)) xChange = 0; + if (xChange > 0 && ((style & SWT.RIGHT) == 0)) xChange = 0; + if (yChange < 0 && ((style & SWT.UP) == 0)) yChange = 0; + if (yChange > 0 && ((style & SWT.DOWN) == 0)) yChange = 0; + if (xChange == 0 && yChange == 0) return; + bounds.x += xChange; bounds.y += yChange; + for (int i = 0; i < rectangles.length; i++) { + rectangles [i].x += xChange; + rectangles [i].y += yChange; + } +} + +/** + * Displays the Tracker rectangles for manipulation by the user. Returns when + * the user has either finished manipulating the rectangles or has cancelled the + * Tracker. + * + * @return <code>true</code> if the user did not cancel the Tracker, <code>false</code> otherwise + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean open () { + checkWidget (); + if (rectangles == null) return false; + if (rectangles.length == 0) return false; + cancelled = false; + tracking = true; + + /* + * If exactly one of UP/DOWN is specified as a style then set the cursor + * orientation accordingly (the same is done for LEFT/RIGHT styles below). + */ + int vStyle = style & (SWT.UP | SWT.DOWN); + if (vStyle == SWT.UP || vStyle == SWT.DOWN) { + cursorOrientation |= vStyle; + } + int hStyle = style & (SWT.LEFT | SWT.RIGHT); + if (hStyle == SWT.LEFT || hStyle == SWT.RIGHT) { + cursorOrientation |= hStyle; + } + + handle = OS.gcnew_Window (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + canvasHandle = OS.gcnew_Canvas (); + if (canvasHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.ContentControl_Content (handle, canvasHandle); + if (parent != null) { + Rectangle bounds = parent.getBounds ();// wrong + OS.Window_Left (handle, bounds.x); + OS.Window_Top (handle, bounds.y); + OS.FrameworkElement_Width (handle, bounds.width); + OS.FrameworkElement_Height (handle, bounds.height); + } else { + OS.Window_Left (handle, 0); + OS.Window_Top (handle, 0); + OS.FrameworkElement_Width (handle, OS.SystemParameters_PrimaryScreenWidth ()); + OS.FrameworkElement_Height (handle, OS.SystemParameters_PrimaryScreenHeight ()); + } + OS.Window_ShowInTaskbar (handle, false); + OS.Window_AllowsTransparency (handle, true); + OS.Window_ResizeMode (handle, OS.ResizeMode_NoResize); + OS.Window_WindowStyle (handle, OS.WindowStyle_None); + if (clientCursor != 0) OS.FrameworkElement_Cursor (handle, clientCursor); + int color = OS.Colors_Black; + int brush = OS.gcnew_SolidColorBrush (color); + OS.Brush_Opacity (brush, 0.01); + OS.Control_Background (handle, brush); + OS.GCHandle_Free (brush); + + int children = OS.Panel_Children (canvasHandle); + int stroke = stippled ? 3 : 1; + brush = stippled ? OS.Brushes_Navy() : OS.Brushes_Black(); + rectShapes = new int[rectangles.length]; + for (int i = 0; i < rectShapes.length; i++) { + int child = rectShapes [i] = OS.gcnew_Rectangle (); + OS.UIElementCollection_Add (children, child); + OS.Shape_StrokeThickness(child, stroke); + OS.Shape_Stroke(child, brush); + } + OS.GCHandle_Free(brush); + drawRectangles (); + + jniRef = OS.NewGlobalRef (this); + if (jniRef == 0) SWT.error (SWT.ERROR_NO_HANDLES); + int handler = OS.gcnew_KeyEventHandler (jniRef, "HandleKeyDown"); + OS.UIElement_KeyDown (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_KeyEventHandler (jniRef, "HandleKeyUp"); + OS.UIElement_KeyUp (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_MouseEventHandler (jniRef, "HandleMouseMove"); + OS.UIElement_MouseMove (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_MouseButtonEventHandler (jniRef, "HandleMouseUp"); + OS.UIElement_MouseUp (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_MouseButtonEventHandler (jniRef, "HandleMouseDown"); + OS.UIElement_MouseDown (handle, handler); + OS.GCHandle_Free (handler); + + OS.UIElement_Focus (handle); + OS.Window_Show (handle); + + boolean mouseDown = OS.Mouse_LeftButton() == OS.MouseButtonState_Pressed; + Point cursorPos; + if (mouseDown) { + int point = OS.Mouse_GetPosition (handle); + cursorPos = new Point ((int) OS.Point_X (point), (int) OS.Point_Y (point)); + OS.GCHandle_Free (point); + } else { + if ((style & SWT.RESIZE) != 0) { + cursorPos = adjustResizeCursor (); + } else { + cursorPos = adjustMoveCursor (); + } + } + oldX = cursorPos.x; + oldY = cursorPos.y; + + /* Tracker behaves like a Dialog with its own OS event loop. */ + Display display = Display.getCurrent(); + while (tracking && !cancelled) { + if (!display.readAndDispatch()) { + display.readAndDispatch(); + } + } + + for (int i = 0; i < rectShapes.length; i++) { + int child = rectShapes [i]; + OS.UIElementCollection_Remove (children, child); + OS.GCHandle_Free (child); + } + OS.GCHandle_Free (children); + if (resizeCursor != 0) { + OS.GCHandle_Free (resizeCursor); + resizeCursor = 0; + } + OS.Window_Close (handle); + OS.GCHandle_Free (canvasHandle); + OS.GCHandle_Free (handle); + jniRef = 0; + OS.DeleteGlobalRef (jniRef); + handle = 0; + rectShapes = null; + tracking = false; + + return !cancelled; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is moved or resized. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ControlListener + * @see #addControlListener + */ +public void removeControlListener (ControlListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Resize, listener); + eventTable.unhook (SWT.Move, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when keys are pressed and released on the system keyboard. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see KeyListener + * @see #addKeyListener + */ +public void removeKeyListener(KeyListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.KeyUp, listener); + eventTable.unhook (SWT.KeyDown, listener); +} + +void resizeRectangles (int xChange, int yChange) { + /* + * If the cursor orientation has not been set in the orientation of + * this change then try to set it here. + */ + if (xChange < 0 && ((style & SWT.LEFT) != 0) && ((cursorOrientation & SWT.RIGHT) == 0)) { + cursorOrientation |= SWT.LEFT; + } + if (xChange > 0 && ((style & SWT.RIGHT) != 0) && ((cursorOrientation & SWT.LEFT) == 0)) { + cursorOrientation |= SWT.RIGHT; + } + if (yChange < 0 && ((style & SWT.UP) != 0) && ((cursorOrientation & SWT.DOWN) == 0)) { + cursorOrientation |= SWT.UP; + } + if (yChange > 0 && ((style & SWT.DOWN) != 0) && ((cursorOrientation & SWT.UP) == 0)) { + cursorOrientation |= SWT.DOWN; + } + + /* + * If the bounds will flip about the x or y axis then apply the adjustment + * up to the axis (ie.- where bounds width/height becomes 0), change the + * cursor's orientation accordingly, and flip each Rectangle's origin (only + * necessary for > 1 Rectangles) + */ + if ((cursorOrientation & SWT.LEFT) != 0) { + if (xChange > bounds.width) { + if ((style & SWT.RIGHT) == 0) return; + cursorOrientation |= SWT.RIGHT; + cursorOrientation &= ~SWT.LEFT; + bounds.x += bounds.width; + xChange -= bounds.width; + bounds.width = 0; + if (proportions.length > 1) { + for (int i = 0; i < proportions.length; i++) { + Rectangle proportion = proportions [i]; + proportion.x = 100 - proportion.x - proportion.width; + } + } + } + } else if ((cursorOrientation & SWT.RIGHT) != 0) { + if (bounds.width < -xChange) { + if ((style & SWT.LEFT) == 0) return; + cursorOrientation |= SWT.LEFT; + cursorOrientation &= ~SWT.RIGHT; + xChange += bounds.width; + bounds.width = 0; + if (proportions.length > 1) { + for (int i = 0; i < proportions.length; i++) { + Rectangle proportion = proportions [i]; + proportion.x = 100 - proportion.x - proportion.width; + } + } + } + } + if ((cursorOrientation & SWT.UP) != 0) { + if (yChange > bounds.height) { + if ((style & SWT.DOWN) == 0) return; + cursorOrientation |= SWT.DOWN; + cursorOrientation &= ~SWT.UP; + bounds.y += bounds.height; + yChange -= bounds.height; + bounds.height = 0; + if (proportions.length > 1) { + for (int i = 0; i < proportions.length; i++) { + Rectangle proportion = proportions [i]; + proportion.y = 100 - proportion.y - proportion.height; + } + } + } + } else if ((cursorOrientation & SWT.DOWN) != 0) { + if (bounds.height < -yChange) { + if ((style & SWT.UP) == 0) return; + cursorOrientation |= SWT.UP; + cursorOrientation &= ~SWT.DOWN; + yChange += bounds.height; + bounds.height = 0; + if (proportions.length > 1) { + for (int i = 0; i < proportions.length; i++) { + Rectangle proportion = proportions [i]; + proportion.y = 100 - proportion.y - proportion.height; + } + } + } + } + + // apply the bounds adjustment + if ((cursorOrientation & SWT.LEFT) != 0) { + bounds.x += xChange; + bounds.width -= xChange; + } else if ((cursorOrientation & SWT.RIGHT) != 0) { + bounds.width += xChange; + } + if ((cursorOrientation & SWT.UP) != 0) { + bounds.y += yChange; + bounds.height -= yChange; + } else if ((cursorOrientation & SWT.DOWN) != 0) { + bounds.height += yChange; + } + + Rectangle [] newRects = new Rectangle [rectangles.length]; + for (int i = 0; i < rectangles.length; i++) { + Rectangle proportion = proportions[i]; + newRects[i] = new Rectangle ( + proportion.x * bounds.width / 100 + bounds.x, + proportion.y * bounds.height / 100 + bounds.y, + proportion.width * bounds.width / 100, + proportion.height * bounds.height / 100); + } + rectangles = newRects; +} + +/** + * Sets the <code>Cursor</code> of the Tracker. If this cursor is <code>null</code> + * then the cursor reverts to the default. + * + * @param newCursor the new <code>Cursor</code> to display + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setCursor(Cursor newCursor) { + checkWidget(); + clientCursor = 0; + if (newCursor != null) { + clientCursor = newCursor.handle; + if (handle != 0) { + OS.FrameworkElement_Cursor (handle, clientCursor); + } + } +} + +/** + * Specifies the rectangles that should be drawn, expressed relative to the parent + * widget. If the parent is a Display then these are screen coordinates. + * + * @param rectangles the bounds of the rectangles to be drawn + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the set of rectangles is null or contains a null rectangle</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setRectangles (Rectangle [] rectangles) { + checkWidget (); + if (rectangles == null) error (SWT.ERROR_NULL_ARGUMENT); + int length = rectangles.length; + this.rectangles = new Rectangle [length]; + for (int i = 0; i < length; i++) { + Rectangle current = rectangles [i]; + if (current == null) error (SWT.ERROR_NULL_ARGUMENT); + this.rectangles [i] = new Rectangle (current.x, current.y, current.width, current.height); + } + proportions = computeProportions (rectangles); +} + +/** + * Changes the appearance of the line used to draw the rectangles. + * + * @param stippled <code>true</code> if rectangle should appear stippled + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setStippled (boolean stippled) { + checkWidget (); + this.stippled = stippled; + if (handle != 0) { + //TODO CHANGE RECT BRUSH + } +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Tree.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Tree.java new file mode 100644 index 0000000000..364c029d2a --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Tree.java @@ -0,0 +1,1974 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class provide a selectable user interface object + * that displays a hierarchy of items and issues notification when an + * item in the hierarchy is selected. + * <p> + * The item children that may be added to instances of this class + * must be of type <code>TreeItem</code>. + * </p><p> + * Style <code>VIRTUAL</code> is used to create a <code>Tree</code> whose + * <code>TreeItem</code>s are to be populated by the client on an on-demand basis + * instead of up-front. This can provide significant performance improvements for + * trees that are very large or for which <code>TreeItem</code> population is + * expensive (for example, retrieving values from an external source). + * </p><p> + * Here is an example of using a <code>Tree</code> with style <code>VIRTUAL</code>: + * <code><pre> + * final Tree tree = new Tree(parent, SWT.VIRTUAL | SWT.BORDER); + * tree.setItemCount(20); + * tree.addListener(SWT.SetData, new Listener() { + * public void handleEvent(Event event) { + * TreeItem item = (TreeItem)event.item; + * TreeItem parentItem = item.getParentItem(); + * String text = null; + * if (parentItem == null) { + * text = "node " + tree.indexOf(item); + * } else { + * text = parentItem.getText() + " - " + parentItem.indexOf(item); + * } + * item.setText(text); + * System.out.println(text); + * item.setItemCount(10); + * } + * }); + * </pre></code> + * </p><p> + * Note that although this class is a subclass of <code>Composite</code>, + * it does not make sense to add <code>Control</code> children to it, + * or set a layout on it. + * </p><p> + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>SINGLE, MULTI, CHECK, FULL_SELECTION, VIRTUAL</dd> + * <dt><b>Events:</b></dt> + * <dd>Selection, DefaultSelection, Collapse, Expand, SetData, MeasureItem, EraseItem, PaintItem</dd> + * </dl> + * </p><p> + * Note: Only one of the styles SINGLE and MULTI may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ +public class Tree extends Composite { + int columns, parentingHandle; + int columnCount, itemCount; + byte headerVisibility = OS.Visibility_Collapsed; + boolean ignoreSelection; + + static final String HEADER_PART_NAME = "SWT_PART_HEADER"; + static final String CHECKBOX_PART_NAME = "SWT_PART_CHECKBOX"; + static final String IMAGE_PART_NAME = "SWT_PART_IMAGE"; + static final String TEXT_PART_NAME = "SWT_PART_TEXT"; + static final String SCROLLVIEWER_PART_NAME = "SWT_PART_SCROLLVIEWER"; + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#SINGLE + * @see SWT#MULTI + * @see SWT#CHECK + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public Tree (Composite parent, int style) { + super (parent, checkStyle (style)); +} + +static int checkStyle (int style) { + /* + * To be compatible with Windows, force the H_SCROLL + * and V_SCROLL style bits. On Windows, it is not + * possible to create a table without scroll bars. + */ + style |= SWT.H_SCROLL | SWT.V_SCROLL; + /* WPF is always FULL_SELECTION */ + style |= SWT.FULL_SELECTION; + return checkBits (style, SWT.SINGLE, SWT.MULTI, 0, 0, 0, 0); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the receiver's selection changes, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * When <code>widgetSelected</code> is called, the item field of the event object is valid. + * If the receiver has <code>SWT.CHECK</code> style set and the check selection changes, + * the event object detail field contains the value <code>SWT.CHECK</code>. + * <code>widgetDefaultSelected</code> is typically called when an item is double-clicked. + * The item field of the event object is valid for default selection, but the detail field is not used. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection, typedListener); + addListener (SWT.DefaultSelection, typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when an item in the receiver is expanded or collapsed + * by sending it one of the messages defined in the <code>TreeListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see TreeListener + * @see #removeTreeListener + */ +public void addTreeListener (TreeListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Expand, typedListener); + addListener (SWT.Collapse, typedListener); +} + +int backgroundHandle () { + return parentingHandle; +} + +boolean checkData (TreeItem item) { + if ((style & SWT.VIRTUAL) == 0) return true; + if (!item.cached) { + item.cached = true; + int parentItem = OS.FrameworkElement_Parent (item.handle); + int items = OS.ItemsControl_Items (parentItem); + int index = OS.ItemCollection_IndexOf (items, item.handle); + OS.GCHandle_Free (items); + OS.GCHandle_Free (parentItem); + Event event = new Event (); + event.item = item; + event.index = index; + sendEvent (SWT.SetData, event); + if (isDisposed () || item.isDisposed ()) return false; + } + return true; +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +/** + * Clears the item at the given zero-relative index in the receiver. + * The text, icon and other attributes of the item are set to the default + * value. If the tree was created with the <code>SWT.VIRTUAL</code> style, + * these attributes are requested again as needed. + * + * @param index the index of the item to clear + * @param all <code>true</code> if all child items of the indexed item should be + * cleared recursively, and <code>false</code> otherwise + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT#VIRTUAL + * @see SWT#SetData + * + * @since 3.2 + */ +public void clear (int index, boolean all) { + checkWidget (); +} + +/** + * Clears all the items in the receiver. The text, icon and other + * attributes of the items are set to their default values. If the + * tree was created with the <code>SWT.VIRTUAL</code> style, these + * attributes are requested again as needed. + * + * @param all <code>true</code> if all child items should be cleared + * recursively, and <code>false</code> otherwise + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT#VIRTUAL + * @see SWT#SetData + * + * @since 3.2 + */ +public void clearAll (boolean all) { + checkWidget (); +// int hItem = OS.SendMessage (handle, OS.TVM_GETNEXTITEM, OS.TVGN_ROOT, 0); +// if (hItem == 0) return; +// TVITEM tvItem = new TVITEM (); +// tvItem.mask = OS.TVIF_HANDLE | OS.TVIF_PARAM; +// clearAll (hItem, tvItem, all); + //FIXME +} + +TreeItem converterItem (int value) { + int content = (int) OS.Point_X (value); + TreeItem item; + if (content > 0) { + item = (TreeItem) OS.JNIGetObject (content); + } else { + int parentJniRef = (int) OS.Point_Y (value); + int items; + if (parentJniRef == jniRef) { + items = OS.ItemsControl_Items (handle); + } else { + TreeItem parentItem = (TreeItem) OS.JNIGetObject (parentJniRef); + items = OS.ItemsControl_Items (parentItem.handle); + } + item = getItem (items, -content, true); + OS.GCHandle_Free (items); + } + checkData (item); + return item; +} + +int converterColumnIndex (int parameter) { + int columnIndex = 0; + if (parameter != 0) { + TreeColumn column = (TreeColumn) OS.JNIGetObject (parameter); + columnIndex = indexOf (column); + } + return columnIndex; +} + +int ConvertImage (int value, int targetType, int parameter, int culture) { + TreeItem item = converterItem (value); + int columnIndex = converterColumnIndex (parameter); + int result = 0; + if (item.images != null && item.images [columnIndex] != null) { + result = item.images [columnIndex].handle; + } + return result; +} + +int ConvertText (int value, int targetType, int parameter, int culture) { + TreeItem item = converterItem (value); + int columnIndex = converterColumnIndex (parameter); + int result = 0; + if (item.strings != null) { + if (item.stringHandle != null && item.stringHandle [columnIndex] != 0) { + result = item.stringHandle [columnIndex]; + } else { + if (item.stringHandle == null) { + int count = Math.max (1, columnCount); + item.stringHandle = new int [count]; + } + item.stringHandle [columnIndex] = result = createDotNetString (item.strings [columnIndex], false); + } + } + return result; +} + + +int createCellTemplate (int columnJniRef, int index) { + int template = OS.gcnew_DataTemplate (); + int stackPanelType = OS.StackPanel_typeid (); + int stackPanelNode = OS.gcnew_FrameworkElementFactory (stackPanelType); + if (index == 0 && (style & SWT.CHECK) != 0) { + int checkBoxType = OS.CheckBox_typeid (); + int checkBoxName = createDotNetString (CHECKBOX_PART_NAME, false); + int checkBoxNode = OS.gcnew_FrameworkElementFactory (checkBoxType, checkBoxName); + int verticalAlignmentProperty = OS.FrameworkElement_VerticalAlignmentProperty (); + OS.FrameworkElementFactory_SetValueVerticalAlignment (checkBoxNode, verticalAlignmentProperty, OS.VerticalAlignment_Center); + int marginProperty = OS.FrameworkElement_MarginProperty (); + int thickness = OS.gcnew_Thickness (0,0,4,0); + OS.FrameworkElementFactory_SetValue (checkBoxNode, marginProperty, thickness); + int threeStateProperty = OS.ToggleButton_IsThreeStateProperty (); + OS.FrameworkElementFactory_SetValue (checkBoxNode, threeStateProperty, true); + OS.FrameworkElementFactory_AppendChild (stackPanelNode, checkBoxNode); + OS.GCHandle_Free (checkBoxName); + OS.GCHandle_Free (threeStateProperty); + OS.GCHandle_Free (thickness); + OS.GCHandle_Free (marginProperty); + OS.GCHandle_Free (verticalAlignmentProperty); + OS.GCHandle_Free (checkBoxNode); + OS.GCHandle_Free (checkBoxType); + } + int textType = OS.TextBlock_typeid (); + int textName = createDotNetString (TEXT_PART_NAME, false); + int textNode = OS.gcnew_FrameworkElementFactory (textType, textName); + int imageType = OS.Image_typeid (); + int imageName = createDotNetString (IMAGE_PART_NAME, false); + int imageNode = OS.gcnew_FrameworkElementFactory (imageType, imageName); + int marginProperty = OS.FrameworkElement_MarginProperty (); + int thickness = OS.gcnew_Thickness (0, 0, 4, 0); + OS.FrameworkElementFactory_SetValue (imageNode, marginProperty, thickness); + int orientationProperty = OS.StackPanel_OrientationProperty (); + OS.FrameworkElementFactory_SetValueOrientation (stackPanelNode, orientationProperty, OS.Orientation_Horizontal); + OS.FrameworkElementFactory_AppendChild (stackPanelNode, imageNode); + OS.FrameworkElementFactory_AppendChild (stackPanelNode, textNode); + OS.FrameworkTemplate_VisualTree (template, stackPanelNode); + //bindings + int textBinding = OS.gcnew_Binding (); + int textConverter = OS.gcnew_SWTCellConverter (jniRef, "ConvertText"); + OS.Binding_Converter (textBinding, textConverter); + OS.Binding_ConverterParameter (textBinding, columnJniRef); + int textProperty = OS.TextBlock_TextProperty (); + OS.FrameworkElementFactory_SetBinding (textNode, textProperty, textBinding); + int imageBinding = OS.gcnew_Binding (); + int imageConverter = OS.gcnew_SWTCellConverter (jniRef, "ConvertImage"); + OS.Binding_Converter (imageBinding, imageConverter); + OS.Binding_ConverterParameter (imageBinding, columnJniRef); + int imageProperty = OS.Image_SourceProperty (); + OS.FrameworkElementFactory_SetBinding (imageNode, imageProperty, imageBinding); + OS.GCHandle_Free (textBinding); + OS.GCHandle_Free (textConverter); + OS.GCHandle_Free (textProperty); + OS.GCHandle_Free (imageBinding); + OS.GCHandle_Free (imageConverter); + OS.GCHandle_Free (imageProperty); + + OS.GCHandle_Free (imageName); + OS.GCHandle_Free (textName); + OS.GCHandle_Free (marginProperty); + OS.GCHandle_Free (thickness); + OS.GCHandle_Free (stackPanelType); + OS.GCHandle_Free (imageType); + OS.GCHandle_Free (textType); + OS.GCHandle_Free (stackPanelNode); + OS.GCHandle_Free (textNode); + OS.GCHandle_Free (imageNode); + OS.GCHandle_Free (orientationProperty); + return template; +} + +void createDefaultColumn () { + int column = OS.gcnew_GridViewColumn (); + OS.GridViewColumnCollection_Insert (columns, 0, column); + int cellTemplate = createCellTemplate (0, 0); + OS.GridViewColumn_CellTemplate (column, cellTemplate); + OS.GCHandle_Free (column); + OS.GCHandle_Free (cellTemplate); +} + +int createControlTemplate () { + int template = OS.gcnew_ControlTemplate (); + int borderType = OS.Border_typeid (); + int borderNode = OS.gcnew_FrameworkElementFactory (borderType); + int dockPanelType = OS.DockPanel_typeid (); + int dockPanelNode = OS.gcnew_FrameworkElementFactory (dockPanelType); + int headerType = OS.GridViewHeaderRowPresenter_typeid (); + int nameString = createDotNetString (HEADER_PART_NAME, false); + int headerNode = OS.gcnew_FrameworkElementFactory (headerType, nameString); + int scrollViewerType = OS.ScrollViewer_typeid (); + int scrollViewerName = createDotNetString (SCROLLVIEWER_PART_NAME, false); + int scrollViewerNode = OS.gcnew_FrameworkElementFactory (scrollViewerType, scrollViewerName); + int columnsProperty = OS.GridViewHeaderRowPresenter_ColumnsProperty (); + OS.FrameworkElementFactory_SetValue (headerNode, columnsProperty, columns); + int visibilityProperty = OS.UIElement_VisibilityProperty (); + OS.FrameworkElementFactory_SetValueVisibility (headerNode, visibilityProperty, headerVisibility); + int dockProperty = OS.DockPanel_DockProperty (); + OS.FrameworkElementFactory_SetValueDock (headerNode, dockProperty, OS.Dock_Top); + int itemsPresenterType = OS.ItemsPresenter_typeid (); + int itemsPresenterNode = OS.gcnew_FrameworkElementFactory (itemsPresenterType); + OS.FrameworkElementFactory_AppendChild (borderNode, dockPanelNode); + OS.FrameworkElementFactory_AppendChild (dockPanelNode, headerNode); + OS.FrameworkElementFactory_AppendChild (dockPanelNode, scrollViewerNode); + OS.FrameworkElementFactory_AppendChild (scrollViewerNode, itemsPresenterNode); + OS.FrameworkTemplate_VisualTree (template, borderNode); + OS.GCHandle_Free (scrollViewerType); + OS.GCHandle_Free (scrollViewerName); + OS.GCHandle_Free (scrollViewerNode); + OS.GCHandle_Free (nameString); + OS.GCHandle_Free (borderType); + OS.GCHandle_Free (borderNode); + OS.GCHandle_Free (dockPanelType); + OS.GCHandle_Free (dockPanelNode); + OS.GCHandle_Free (headerType); + OS.GCHandle_Free (headerNode); + OS.GCHandle_Free (columnsProperty); + OS.GCHandle_Free (visibilityProperty); + OS.GCHandle_Free (dockProperty); + OS.GCHandle_Free (itemsPresenterType); + OS.GCHandle_Free (itemsPresenterNode); + return template; +} + +void createHandle () { + parentingHandle = OS.gcnew_Canvas (); + if (parentingHandle == 0) error (SWT.ERROR_NO_HANDLES); + handle = OS.gcnew_TreeView (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + columns = OS.gcnew_GridViewColumnCollection (); + if (columns == 0) error (SWT.ERROR_NO_HANDLES); + createDefaultColumn (); + int template = createControlTemplate (); + OS.Control_Template (handle, template); + OS.GCHandle_Free (template); + OS.Canvas_SetLeft (handle, 0); + OS.Canvas_SetTop (handle, 0); + int children = OS.Panel_Children (parentingHandle); + OS.UIElementCollection_Add (children, handle); + OS.GCHandle_Free (children); +} + +int createHeaderTemplate (int columnJniRef) { + int template = OS.gcnew_DataTemplate (); + int stackPanelType = OS.StackPanel_typeid (); + int stackPanelNode = OS.gcnew_FrameworkElementFactory (stackPanelType); + int textType = OS.TextBlock_typeid (); + int textName = createDotNetString (TEXT_PART_NAME, false); + int textNode = OS.gcnew_FrameworkElementFactory (textType, textName); + int imageType = OS.Image_typeid (); + int imageName = createDotNetString (IMAGE_PART_NAME, false); + int imageNode = OS.gcnew_FrameworkElementFactory (imageType, imageName); + int marginProperty = OS.FrameworkElement_MarginProperty (); + int thickness = OS.gcnew_Thickness (0,0,4,0); + OS.FrameworkElementFactory_SetValue (imageNode, marginProperty, thickness); + int orientationProperty = OS.StackPanel_OrientationProperty (); + OS.FrameworkElementFactory_SetValueOrientation (stackPanelNode, orientationProperty, OS.Orientation_Horizontal); + int stretchProperty = OS.Image_StretchProperty (); + OS.FrameworkElementFactory_SetValueStretch (imageNode, stretchProperty, OS.Stretch_None); + OS.FrameworkElementFactory_AppendChild (stackPanelNode, imageNode); + OS.FrameworkElementFactory_AppendChild (stackPanelNode, textNode); + OS.FrameworkTemplate_VisualTree (template, stackPanelNode); + //bindings + int textBinding = OS.gcnew_Binding (); + int textConverter = OS.gcnew_SWTCellConverter (columnJniRef, "ConvertText"); + OS.Binding_Converter (textBinding, textConverter); + OS.Binding_ConverterParameter (textBinding, columnJniRef); + int textProperty = OS.TextBlock_TextProperty (); + OS.FrameworkElementFactory_SetBinding (textNode, textProperty, textBinding); + int imageBinding = OS.gcnew_Binding (); + int imageConverter = OS.gcnew_SWTCellConverter (columnJniRef, "ConvertImage"); + OS.Binding_Converter (imageBinding, imageConverter); + OS.Binding_ConverterParameter (imageBinding, columnJniRef); + int imageProperty = OS.Image_SourceProperty (); + OS.FrameworkElementFactory_SetBinding (imageNode, imageProperty, imageBinding); + OS.GCHandle_Free (textBinding); + OS.GCHandle_Free (textConverter); + OS.GCHandle_Free (textProperty); + OS.GCHandle_Free (imageBinding); + OS.GCHandle_Free (imageConverter); + OS.GCHandle_Free (imageProperty); + + OS.GCHandle_Free (imageType); + OS.GCHandle_Free (textName); + OS.GCHandle_Free (textType); + OS.GCHandle_Free (stackPanelType); + OS.GCHandle_Free (stackPanelNode); + OS.GCHandle_Free (textNode); + OS.GCHandle_Free (marginProperty); + OS.GCHandle_Free (thickness); + OS.GCHandle_Free (imageName); + OS.GCHandle_Free (imageNode); + OS.GCHandle_Free (orientationProperty); + OS.GCHandle_Free (stretchProperty); + return template; +} + +void createItem (TreeColumn column, int index) { + if (!(0 <= index && index <= columnCount)) error (SWT.ERROR_INVALID_RANGE); + column.createWidget (); + int template = createHeaderTemplate (column.jniRef); + OS.GridViewColumn_HeaderTemplate (column.handle, template); + OS.GCHandle_Free (template); + template = createCellTemplate (column.jniRef, index); + OS.GridViewColumn_CellTemplate (column.handle, template); + OS.GCHandle_Free (template); + if (columnCount == 0) { + OS.GridViewColumnCollection_Clear (columns); + } + OS.GridViewColumnCollection_Insert (columns, index, column.handle); + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TreeItem item = getItem (items, i, false); + if (item != null) { + item.columnInserted (index); + } + } + OS.GCHandle_Free (items); + columnCount++; +} + +void createItem (TreeItem item, TreeItem parentItem, int index) { + int itemCount = parentItem != null ? parentItem.itemCount : this.itemCount; + if (!(0 <= index && index <= itemCount)) error (SWT.ERROR_INVALID_RANGE); + item.createWidget (); + int parentHandle = parentItem != null ? parentItem.handle : handle; + int items = OS.ItemsControl_Items (parentHandle); + OS.ItemCollection_Insert (items, index, item.handle); + int count = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); + if (itemCount == count) error (SWT.ERROR_ITEM_NOT_ADDED); + if (parentItem != null) { + parentItem.itemCount++; + } else { + this.itemCount++; + } +} + +int defaultBackground () { + return OS.Colors_White; +} + +void deregister () { + super.deregister (); + display.removeWidget (parentingHandle); +} + +/** + * Deselects all selected items in the receiver. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void deselectAll () { + checkWidget (); + //TODO multiselection... + int item = OS.TreeView_SelectedItem (handle); + if (item != 0) { + ignoreSelection = true; + OS.TreeViewItem_IsSelected (item, false); + ignoreSelection = false; + OS.GCHandle_Free (item); + } +} + +void destroyItem (TreeColumn column) { + int index = OS.GridViewColumnCollection_IndexOf (columns, column.handle); + boolean removed = OS.GridViewColumnCollection_Remove (columns, column.handle); + if (!removed) error (SWT.ERROR_ITEM_NOT_REMOVED); + columnCount--; + if (columnCount == 0) { + createDefaultColumn (); + } + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TreeItem item = getItem (items, i, false); + if (item != null) { + item.columnRemoved (index); + } + } + OS.GCHandle_Free (items); +} + +void destroyItem (TreeItem item) { + TreeItem parentItem = item.getParentItem (); + int itemCount = parentItem != null ? parentItem.itemCount : this.itemCount; + int parentHandle = parentItem != null ? parentItem.handle : handle; + + + int items = OS.ItemsControl_Items (parentHandle); + OS.ItemCollection_Remove (items, item.handle); + int count = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); + if (count == itemCount) error (SWT.ERROR_ITEM_NOT_REMOVED); + if (parentItem != null) { + parentItem.itemCount--; + } else { + this.itemCount--; + } +} + +int findScrollViewer(int current, int scrollViewerType) { + int template = OS.Control_Template (handle); + int scrollViewerName = createDotNetString (SCROLLVIEWER_PART_NAME, false); + int scrollViewer = OS.FrameworkTemplate_FindName (template, scrollViewerName, handle); + OS.GCHandle_Free (scrollViewerName); + OS.GCHandle_Free (template); + return scrollViewer; +} + +/** + * Returns the width in pixels of a grid line. + * + * @return the width of a grid line in pixels + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public int getGridLineWidth () { + checkWidget (); + //TODO + return 0; +} + +/** + * Returns the height of the receiver's header + * + * @return the height of the header or zero if the header is not visible + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public int getHeaderHeight () { + checkWidget (); + //TODO + return 0; +} + +/** + * Returns <code>true</code> if the receiver's header is visible, + * and <code>false</code> otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, this method + * may still indicate that it is considered visible even though + * it may not actually be showing. + * </p> + * + * @return the receiver's header's visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public boolean getHeaderVisible () { + checkWidget (); + //TODO + return false; +} + +/** + * Returns the column at the given, zero-relative index in the + * receiver. Throws an exception if the index is out of range. + * Columns are returned in the order that they were created. + * If no <code>TreeColumn</code>s were created by the programmer, + * this method will throw <code>ERROR_INVALID_RANGE</code> despite + * the fact that a single column of data may be visible in the tree. + * This occurs when the programmer uses the tree like a list, adding + * items but never creating a column. + * + * @param index the index of the column to return + * @return the column at the given index + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Tree#getColumnOrder() + * @see Tree#setColumnOrder(int[]) + * @see TreeColumn#getMoveable() + * @see TreeColumn#setMoveable(boolean) + * @see SWT#Move + * + * @since 3.1 + */ +public TreeColumn getColumn (int index) { + checkWidget (); + if (!(0 <= index && index < columnCount)) error (SWT.ERROR_INVALID_RANGE); + return _getColumn (index); +} + +TreeColumn _getColumn (int index) { + if (columnCount == 0) return null; + int gridColumn = OS.GridViewColumnCollection_default (columns, index); + int header = OS.GridViewColumn_Header (gridColumn); + int content = OS.ContentControl_Content (header); + TreeColumn column = (TreeColumn) OS.JNIGetObject (OS.IntPtr_ToInt32 (content)); + OS.GCHandle_Free (gridColumn); + OS.GCHandle_Free (header); + OS.GCHandle_Free (content); + return column; +} + +/** + * Returns the number of columns contained in the receiver. + * If no <code>TreeColumn</code>s were created by the programmer, + * this value is zero, despite the fact that visually, one column + * of items may be visible. This occurs when the programmer uses + * the tree like a list, adding items but never creating a column. + * + * @return the number of columns + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public int getColumnCount () { + checkWidget (); + return columnCount; +} + +/** + * Returns an array of zero-relative integers that map + * the creation order of the receiver's items to the + * order in which they are currently being displayed. + * <p> + * Specifically, the indices of the returned array represent + * the current visual order of the items, and the contents + * of the array represent the creation order of the items. + * </p><p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the current visual order of the receiver's items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Tree#setColumnOrder(int[]) + * @see TreeColumn#getMoveable() + * @see TreeColumn#setMoveable(boolean) + * @see SWT#Move + * + * @since 3.2 + */ +public int[] getColumnOrder () { + checkWidget (); + //TODO + int [] order = new int [columnCount]; + for (int i=0; i<order.length; i++) order [i] = i; + return order; +} + +/** + * Returns an array of <code>TreeColumn</code>s which are the + * columns in the receiver. Columns are returned in the order + * that they were created. If no <code>TreeColumn</code>s were + * created by the programmer, the array is empty, despite the fact + * that visually, one column of items may be visible. This occurs + * when the programmer uses the tree like a list, adding items but + * never creating a column. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the items in the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Tree#getColumnOrder() + * @see Tree#setColumnOrder(int[]) + * @see TreeColumn#getMoveable() + * @see TreeColumn#setMoveable(boolean) + * @see SWT#Move + * + * @since 3.1 + */ +public TreeColumn [] getColumns () { + checkWidget (); + TreeColumn [] treeColumns = new TreeColumn [columnCount]; + for (int i = 0; i < treeColumns.length; i++) { + treeColumns [i] = _getColumn (i); + } + return treeColumns; +} + +/** + * Returns the item at the given, zero-relative index in the + * receiver. Throws an exception if the index is out of range. + * + * @param index the index of the item to return + * @return the item at the given index + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public TreeItem getItem (int index) { + checkWidget (); + if (index < 0 || index >= itemCount) error (SWT.ERROR_INVALID_RANGE); + int items = OS.ItemsControl_Items (handle); + TreeItem treeItem = getItem (items, index, true); + OS.GCHandle_Free (items); + return treeItem; +} + +TreeItem getItem (int items, int index, boolean create) { + int item = OS.ItemCollection_GetItemAt (items, index); + int header = OS.HeaderedItemsControl_Header (item); + int content = OS.GridViewRowPresenter_Content (header); + int contentValue = (int) OS.Point_X (content); + TreeItem result = null; + if (contentValue > 0) { + result = (TreeItem) OS.JNIGetObject (contentValue); + OS.GCHandle_Free (item); + } else { + if (create) { + result = new TreeItem (this, null, SWT.NONE, index, item); + } else { + OS.GCHandle_Free (item); + } + } + OS.GCHandle_Free (content); + OS.GCHandle_Free (header); + return result; +} + +/** + * Returns the item at the given point in the receiver + * or null if no such item exists. The point is in the + * coordinate system of the receiver. + * <p> + * The item that is returned represents an item that could be selected by the user. + * For example, if selection only occurs in items in the first column, then null is + * returned if the point is outside of the item. + * Note that the SWT.FULL_SELECTION style hint, which specifies the selection policy, + * determines the extent of the selection. + * </p> + * + * @param point the point used to locate the item + * @return the item at the given point, or null if the point is not in a selectable item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the point is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TreeItem getItem (Point point) { + checkWidget (); + if (point == null) error (SWT.ERROR_NULL_ARGUMENT); + int pt = OS.gcnew_Point (point.x, point.y); + int input = OS.UIElement_InputHitTest (handle, pt); + Widget widget = display.getWidget (input); + OS.GCHandle_Free (input); + OS.GCHandle_Free (pt); + if (widget == this) return null; + return (TreeItem) widget; +} + +/** + * Returns the number of items contained in the receiver + * that are direct item children of the receiver. The + * number that is returned is the number of roots in the + * tree. + * + * @return the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemCount () { + checkWidget (); + return itemCount; +} + +/** + * Returns the height of the area which would be used to + * display <em>one</em> of the items in the tree. + * + * @return the height of one item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemHeight () { + checkWidget (); + //FIXME what is the default size? + if (itemCount == 0) return 16; + int items = OS.ItemsControl_Items (handle); + int item = OS.ItemCollection_GetItemAt (items, 0); + double height = OS.FrameworkElement_ActualHeight (item); + OS.GCHandle_Free (item); + OS.GCHandle_Free (items); + return (int) height; +} + +/** + * Returns a (possibly empty) array of items contained in the + * receiver that are direct item children of the receiver. These + * are the roots of the tree. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TreeItem [] getItems () { + checkWidget (); + TreeItem [] result = new TreeItem [itemCount]; + int items = OS.ItemsControl_Items (handle); + for (int i = 0; i < itemCount; i++) { + result [i] = getItem (items, i, true); + } + OS.GCHandle_Free (items); + return result; +} + +/** + * Returns <code>true</code> if the receiver's lines are visible, + * and <code>false</code> otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, this method + * may still indicate that it is considered visible even though + * it may not actually be showing. + * </p> + * + * @return the visibility state of the lines + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public boolean getLinesVisible () { + checkWidget (); + //TODO + return false; +} + +/** + * Returns the receiver's parent item, which must be a + * <code>TreeItem</code> or null when the receiver is a + * root. + * + * @return the receiver's parent item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TreeItem getParentItem () { + checkWidget (); + return null; +} + +/** + * Returns an array of <code>TreeItem</code>s that are currently + * selected in the receiver. The order of the items is unspecified. + * An empty array indicates that no items are selected. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its selection, so modifying the array will + * not affect the receiver. + * </p> + * @return an array representing the selection + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TreeItem [] getSelection () { + checkWidget (); + //TODO +// if ((style & SWT.SINGLE) != 0) { + int item = OS.TreeView_SelectedItem (handle); + if (item == 0) return new TreeItem [0]; + TreeItem result = (TreeItem) display.getWidget (item); + OS.GCHandle_Free (item); + return new TreeItem [] {result}; +// } +// result = new TreeItem [0]; +} + +/** + * Returns the number of selected items contained in the receiver. + * + * @return the number of selected items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getSelectionCount () { + checkWidget (); + //TODO +// if ((style & SWT.SINGLE) != 0) { + int item = OS.TreeView_SelectedItem (handle); + if (item == 0) return 0; + OS.GCHandle_Free (item); + return 1; +// } +// return 0; +} + +/** + * Returns the column which shows the sort indicator for + * the receiver. The value may be null if no column shows + * the sort indicator. + * + * @return the sort indicator + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setSortColumn(TreeColumn) + * + * @since 3.2 + */ +public TreeColumn getSortColumn () { + checkWidget (); + //TODO + return null; +} + +/** + * Returns the direction of the sort indicator for the receiver. + * The value will be one of <code>UP</code>, <code>DOWN</code> + * or <code>NONE</code>. + * + * @return the sort direction + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setSortDirection(int) + * + * @since 3.2 + */ +public int getSortDirection () { + checkWidget (); + //TODO + return SWT.NONE; +} + +/** + * Returns the item which is currently at the top of the receiver. + * This item can change when items are expanded, collapsed, scrolled + * or new items are added or removed. + * + * @return the item at the top of the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.1 + */ +public TreeItem getTopItem () { + checkWidget (); + //TODO + return null; +} + +boolean hasItems () { + return true; +} + +void HandleChecked (int sender, int e) { + if (!checkEvent (e)) return; + int source = OS.RoutedEventArgs_Source (e); + TreeItem item = (TreeItem) display.getWidget (source); + OS.GCHandle_Free (source); + if (item.grayed) { + int checkbox = item.findPart (0, CHECKBOX_PART_NAME); + if (checkbox != 0) { + OS.ToggleButton_IsCheckedNullSetter (checkbox); + OS.GCHandle_Free (checkbox); + } + } + item.checked = true; + Event event = new Event (); + event.item = item; + event.detail = SWT.CHECK; + sendEvent (SWT.Selection, event); +} + +void HandleCollapsed (int sender, int e) { + if (!checkEvent (e)) return; + int source = OS.RoutedEventArgs_Source (e); + if (OS.ItemsControl_HasItems (source)) { + Event event = new Event (); + event.item = (TreeItem) display.getWidget (source);; + sendEvent (SWT.Collapse, event); + } + OS.GCHandle_Free (source); +} + +int HandleConvert (int value, int targetType, int parameter, int culture) { + int content = (int) OS.Point_X (value); + TreeItem item; + if (content > 0) { + item = (TreeItem) OS.JNIGetObject (content); + } else { + int parentJniRef = (int) OS.Point_Y (value); + int items; + if (parentJniRef == jniRef) { + items = OS.ItemsControl_Items (handle); + } else { + TreeItem parentItem = (TreeItem) OS.JNIGetObject (parentJniRef); + items = OS.ItemsControl_Items (parentItem.handle); + } + item = getItem (items, -content, true); + OS.GCHandle_Free (items); + } + checkData (item); + + int columnIndex = 0; + if (parameter != 0) { + TreeColumn column = (TreeColumn) OS.JNIGetObject (parameter); + columnIndex = indexOf (column); + } + int imageSourceType = OS.ImageSource_typeid (); + int result = 0; + if (OS.Object_Equals (imageSourceType, targetType)) { + if (item.images != null && item.images [columnIndex] != null) { + result = item.images [columnIndex].handle; + } + } else { + if (item.strings != null) { + if (item.stringHandle != null && item.stringHandle [columnIndex] != 0) { + result = item.stringHandle [columnIndex]; + } else { + if (item.stringHandle == null) { + int count = Math.max (1, columnCount); + item.stringHandle = new int [count]; + } + item.stringHandle [columnIndex] = result = createDotNetString (item.strings [columnIndex], false); + } + } + } + OS.GCHandle_Free (imageSourceType); + return result; +} + +void HandleExpanded (int sender, int e) { + if (!checkEvent (e)) return; + int source = OS.RoutedEventArgs_Source (e); + if (OS.ItemsControl_HasItems (source)) { + Event event = new Event (); + event.item = (TreeItem) display.getWidget (source);; + sendEvent (SWT.Expand, event); + } + OS.GCHandle_Free (source); +} + +void HandleIndeterminate (int sender, int e) { + if (!checkEvent (e)) return; + int source = OS.RoutedEventArgs_Source (e); + TreeItem item = (TreeItem) display.getWidget (source); + OS.GCHandle_Free (source); + if (!item.grayed) { + int checkbox = item.findPart (0, CHECKBOX_PART_NAME); + if (checkbox != 0) { + OS.ToggleButton_IsChecked (checkbox, false); + OS.GCHandle_Free (checkbox); + } + } +} + +void HandleKeyDown (int sender, int e) { + if (!checkEvent (e)) return; + super.HandleKeyDown (sender, e); + int key = OS.KeyEventArgs_Key (e); + if (key == OS.Key_Return) { + int source = OS.RoutedEventArgs_OriginalSource (e); + Widget widget = display.getWidget (source); + OS.GCHandle_Free (source); + if (widget == this || widget == null) return; + TreeItem item = (TreeItem)widget; + Event event = new Event (); + event.item = item; + postEvent (SWT.DefaultSelection, event); + } +} + +void HandleLoaded (int sender, int e) { + if (!checkEvent (e)) return; + int template = OS.Control_Template (handle); + int nameString = createDotNetString (HEADER_PART_NAME, false); + int header = OS.FrameworkTemplate_FindName (template, nameString, handle); + if (header != 0) { + OS.UIElement_Visibility (header, headerVisibility); + OS.GCHandle_Free (header); + } + OS.GCHandle_Free (nameString); + OS.GCHandle_Free (template); +} + +void HandleMouseDoubleClick (int sender, int e) { + if (!checkEvent (e)) return; + int source = OS.RoutedEventArgs_OriginalSource (e); + Widget widget = display.getWidget (source); + OS.GCHandle_Free (source); + if (widget == this || widget == null) return; + TreeItem item = (TreeItem)widget; + Event event = new Event (); + event.item = item; + postEvent (SWT.DefaultSelection, event); +} + +void HandleSelectedItemChanged (int sender, int e) { + if (!checkEvent (e)) return; + if (ignoreSelection) return; + int selectedItem = OS.TreeView_SelectedItem (handle); + if (selectedItem == 0) return; + TreeItem item = (TreeItem)display.getWidget (selectedItem); + Event event = new Event (); + event.item = item; + postEvent (SWT.Selection, event); +} + +void HandleUnchecked (int sender, int e) { + if (!checkEvent (e)) return; + int source = OS.RoutedEventArgs_Source (e); + TreeItem item = (TreeItem) display.getWidget (source); + OS.GCHandle_Free (source); + item.checked = false; + Event event = new Event (); + event.item = item; + event.detail = SWT.CHECK; + sendEvent (SWT.Selection, event); +} + +void hookEvents() { + super.hookEvents (); + int handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleLoaded"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.FrameworkElement_Loaded (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedPropertyChangedEventHandlerObject (jniRef, "HandleSelectedItemChanged"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.TreeView_SelectedItemChanged (handle, handler); + OS.GCHandle_Free (handler); + handler = OS.gcnew_MouseButtonEventHandler (jniRef, "HandleMouseDoubleClick"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + OS.Control_MouseDoubleClick (handle, handler); + OS.GCHandle_Free (handler); + + /* Item events */ + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleExpanded"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + int event = OS.TreeViewItem_ExpandedEvent (); + OS.UIElement_AddHandler (handle, event, handler); + OS.GCHandle_Free (event); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleCollapsed"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + event = OS.TreeViewItem_CollapsedEvent (); + OS.UIElement_AddHandler (handle, event, handler); + OS.GCHandle_Free (event); + OS.GCHandle_Free (handler); + if ((style & SWT.CHECK) != 0) { + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleChecked"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + event = OS.ToggleButton_CheckedEvent (); + OS.UIElement_AddHandler (handle, event, handler); + OS.GCHandle_Free (event); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleUnchecked"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + event = OS.ToggleButton_UncheckedEvent (); + OS.UIElement_AddHandler (handle, event, handler); + OS.GCHandle_Free (event); + OS.GCHandle_Free (handler); + handler = OS.gcnew_RoutedEventHandler (jniRef, "HandleIndeterminate"); + if (handler == 0) error (SWT.ERROR_NO_HANDLES); + event = OS.ToggleButton_IndeterminateEvent (); + OS.UIElement_AddHandler (handle, event, handler); + OS.GCHandle_Free (event); + OS.GCHandle_Free (handler); + } +} + +/** + * Searches the receiver's list starting at the first column + * (index 0) until a column is found that is equal to the + * argument, and returns the index of that column. If no column + * is found, returns -1. + * + * @param column the search column + * @return the index of the column + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the string is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public int indexOf (TreeColumn column) { + checkWidget (); + if (column == null) error (SWT.ERROR_NULL_ARGUMENT); + int index = OS.GridViewColumnCollection_IndexOf (columns, column.handle); + return index; +} + +/** + * Searches the receiver's list starting at the first item + * (index 0) until an item is found that is equal to the + * argument, and returns the index of that item. If no item + * is found, returns -1. + * + * @param item the search item + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the tool item is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the tool item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public int indexOf (TreeItem item) { + checkWidget (); + if (item == null) error (SWT.ERROR_NULL_ARGUMENT); + if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + int items = OS.ItemsControl_Items (handle); + int index = OS.ItemCollection_IndexOf (items, item.handle); + OS.GCHandle_Free (items); + return index; +} + +int parentingHandle () { + return parentingHandle; +} + +void register() { + super.register(); + display.addWidget (parentingHandle, this); +} + +void releaseChildren (boolean destroy) { + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TreeItem item = getItem (items, i, false); + if (item != null && !item.isDisposed ()) item.release (false); + } + OS.GCHandle_Free (items); + for (int i=0; i<columnCount; i++) { + TreeColumn column = _getColumn(i); + if (column != null && !column.isDisposed ()) { + column.release (false); + } + } + super.releaseChildren (destroy); +} + +void releaseHandle () { + super.releaseHandle (); + if (columns != 0) OS.GCHandle_Free (columns); + columns = 0; + OS.GCHandle_Free (parentingHandle); + parentingHandle = 0; +} + +/** + * Removes all of the items from the receiver. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void removeAll () { + checkWidget (); + int items = OS.ItemsControl_Items (handle); + for (int i = 0; i < itemCount; i++) { + TreeItem item = getItem (items, i, false); + if (item != null && !item.isDisposed ()) item.release (false); + } + OS.ItemCollection_Clear (items); + itemCount = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the receiver's selection changes. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when items in the receiver are expanded or collapsed. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see TreeListener + * @see #addTreeListener + */ +public void removeTreeListener(TreeListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Expand, listener); + eventTable.unhook (SWT.Collapse, listener); +} + +int setBounds (int x, int y, int width, int height, int flags) { + int result = super.setBounds (x, y, width, height, flags); + if ((result & RESIZED) != 0) { + if (columnCount == 0) { + int column = OS.GridViewColumnCollection_default (columns, 0); + OS.GridViewColumn_Width (column, width); + OS.GCHandle_Free (column); + } + OS.FrameworkElement_Width (handle, width); + OS.FrameworkElement_Height (handle, height); + } + return result; +} + +/** + * Display a mark indicating the point at which an item will be inserted. + * The drop insert item has a visual hint to show where a dragged item + * will be inserted when dropped on the tree. + * + * @param item the insert item. Null will clear the insertion mark. + * @param before true places the insert mark above 'item'. false places + * the insert mark below 'item'. + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setInsertMark (TreeItem item, boolean before) { + checkWidget (); + if (item != null && item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + //TODO +} + +/** + * Sets the number of root-level items contained in the receiver. + * + * @param count the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setItemCount (int count) { + checkWidget (); + setItemCount (null, count); +} + +void setItemCount (TreeItem parentItem, int count) { + int itemCount = parentItem != null ? parentItem.itemCount : this.itemCount; + count = Math.max (0, count); + if (count == itemCount) return; + int parentHandle = parentItem != null ? parentItem.handle : handle; + int index = count; + int items = OS.ItemsControl_Items (parentHandle); + while (index < itemCount) { + TreeItem item = getItem (items, index, false); + if (item != null) { + if (!item.isDisposed()) item.release (false); + } else { + OS.ItemCollection_RemoveAt (items, index); + } + index++; + } + if (OS.ItemCollection_Count (items) > count) error (SWT.ERROR_ITEM_NOT_REMOVED); + if ((style & SWT.VIRTUAL) != 0) { + for (int i=itemCount; i<count; i++) { + int item = OS.gcnew_TreeViewItem (); + if (item == 0) error (SWT.ERROR_NO_HANDLES); + int headerHandle = OS.gcnew_SWTTreeViewRowPresenter (handle); + if (headerHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.GridViewRowPresenterBase_Columns (headerHandle, columns); + OS.HeaderedItemsControl_Header (item, headerHandle); + int parentJniRef = parentItem != null ? parentItem.jniRef : jniRef; + int content = OS.gcnew_Point (-i, parentJniRef); + OS.GridViewRowPresenter_Content (headerHandle, content); + OS.GCHandle_Free (content); + OS.GCHandle_Free (headerHandle); + OS.ItemCollection_Add (items, item); + OS.GCHandle_Free (item); + } + } else { + for (int i=itemCount; i<count; i++) { + new TreeItem (this, parentItem, SWT.NONE, i, 0); + } + } + itemCount = OS.ItemCollection_Count (items); + OS.GCHandle_Free (items); + if (itemCount != count) error (SWT.ERROR_ITEM_NOT_ADDED); + if (parentItem != null) { + parentItem.itemCount = itemCount; + } else { + this.itemCount = itemCount; + } +} + +/** + * Sets the height of the area which would be used to + * display <em>one</em> of the items in the tree. + * + * @return the height of one item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +/*public*/ void setItemHeight (int itemHeight) { + checkWidget (); + if (itemHeight < -1) error (SWT.ERROR_INVALID_ARGUMENT); + //TODO +} + +/** + * Marks the receiver's lines as visible if the argument is <code>true</code>, + * and marks it invisible otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, marking + * it visible may not actually cause it to be displayed. + * </p> + * + * @param show the new visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void setLinesVisible (boolean show) { + checkWidget (); + //TODO +} + +/** + * Selects all of the items in the receiver. + * <p> + * If the receiver is single-select, do nothing. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void selectAll () { + checkWidget (); + if ((style & SWT.SINGLE) != 0) return; + //TODO +} + +/** + * Sets the order that the items in the receiver should + * be displayed in to the given argument which is described + * in terms of the zero-relative ordering of when the items + * were added. + * + * @param order the new order to display the items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the item order is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the item order is not the same length as the number of items</li> + * </ul> + * + * @see Tree#getColumnOrder() + * @see TreeColumn#getMoveable() + * @see TreeColumn#setMoveable(boolean) + * @see SWT#Move + * + * @since 3.2 + */ +public void setColumnOrder (int [] order) { + checkWidget (); + if (order == null) error (SWT.ERROR_NULL_ARGUMENT); + //TODO +} + +void setForegroundBrush (int brush) { + if (brush != 0) { + OS.Control_Foreground (handle, brush); + } else { + int property = OS.Control_ForegroundProperty (); + OS.DependencyObject_ClearValue (handle, property); + OS.GCHandle_Free (property); + } +} + +/** + * Marks the receiver's header as visible if the argument is <code>true</code>, + * and marks it invisible otherwise. + * <p> + * If one of the receiver's ancestors is not visible or some + * other condition makes the receiver not visible, marking + * it visible may not actually cause it to be displayed. + * </p> + * + * @param show the new visibility state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void setHeaderVisible (boolean show) { + checkWidget (); + headerVisibility = show ? OS.Visibility_Visible : OS.Visibility_Collapsed; + int template = OS.Control_Template (handle); + int nameString = createDotNetString (HEADER_PART_NAME, false); + int header = OS.FrameworkTemplate_FindName (template, nameString, handle); + if (header != 0) { + OS.UIElement_Visibility (header, headerVisibility); + OS.GCHandle_Free (header); + } + OS.GCHandle_Free (nameString); + OS.GCHandle_Free (template); +} + +/** + * Sets the receiver's selection to the given item. + * The current selection is cleared before the new item is selected. + * <p> + * If the item is not in the receiver, then it is ignored. + * </p> + * + * @param item the item to select + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the item is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setSelection (TreeItem item) { + checkWidget (); + if (item == null) error (SWT.ERROR_NULL_ARGUMENT); + setSelection (new TreeItem [] {item}); +} + +/** + * Sets the receiver's selection to be the given array of items. + * The current selection is cleared before the new items are selected. + * <p> + * Items that are not in the receiver are ignored. + * If the receiver is single-select and multiple items are specified, + * then all items are ignored. + * </p> + * + * @param items the array of items + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the array of items is null</li> + * <li>ERROR_INVALID_ARGUMENT - if one of the items has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Tree#deselectAll() + */ +public void setSelection (TreeItem [] items) { + checkWidget (); + if (items == null) error (SWT.ERROR_NULL_ARGUMENT); + int length = items.length; + if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) { + deselectAll (); + return; + } + int [] handles = new int [length]; + for (int i = 0; i < items.length; i++) { + TreeItem item = items [i]; + if (item.isDisposed ()) error (SWT.ERROR_WIDGET_DISPOSED); + handles [i] = item.handle; + } + ignoreSelection = true; + for (int i = 0; i < handles.length; i++) { + OS.TreeViewItem_IsSelected (handles [i], true); + } + ignoreSelection = false; +} + +/** + * Sets the column used by the sort indicator for the receiver. A null + * value will clear the sort indicator. The current sort column is cleared + * before the new column is set. + * + * @param column the column used by the sort indicator or <code>null</code> + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the column is disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setSortColumn (TreeColumn column) { + checkWidget (); + //TODO +} + +/** + * Sets the direction of the sort indicator for the receiver. The value + * can be one of <code>UP</code>, <code>DOWN</code> or <code>NONE</code>. + * + * @param direction the direction of the sort indicator + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setSortDirection (int direction) { + checkWidget (); + //TODO +} + +/** + * Sets the item which is currently at the top of the receiver. + * This item can change when items are expanded, collapsed, scrolled + * or new items are added or removed. + * + * @param item the item to be shown + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the item is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Tree#getTopItem() + * + * @since 2.1 + */ +public void setTopItem (TreeItem item) { + checkWidget (); + if (item == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); + if (item.isDisposed ()) SWT.error (SWT.ERROR_INVALID_ARGUMENT); + //TODO +} + +/** + * Shows the column. If the column is already showing in the receiver, + * this method simply returns. Otherwise, the columns are scrolled until + * the column is visible. + * + * @param column the column to be shown + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the item is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void showColumn (TreeColumn column) { + checkWidget (); + if (column == null) error (SWT.ERROR_NULL_ARGUMENT); + if (column.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + if (column.parent != this) return; + int index = indexOf (column); + if (index == -1) return; + //TODO +} + +/** + * Shows the item. If the item is already showing in the receiver, + * this method simply returns. Otherwise, the items are scrolled + * and expanded until the item is visible. + * + * @param item the item to be shown + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the item is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Tree#showSelection() + */ +public void showItem (TreeItem item) { + checkWidget (); + if (item == null) error (SWT.ERROR_NULL_ARGUMENT); + if (item.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + //TODO +} + +/** + * Shows the selection. If the selection is already showing in the receiver, + * this method simply returns. Otherwise, the items are scrolled until + * the selection is visible. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Tree#showItem(TreeItem) + */ +public void showSelection () { + checkWidget (); + //TODO +} + +int topHandle () { + return parentingHandle; +} + +}
\ No newline at end of file diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TreeColumn.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TreeColumn.java new file mode 100644 index 0000000000..5fa1ceedc0 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TreeColumn.java @@ -0,0 +1,611 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; +import org.eclipse.swt.events.*; + +/** + * Instances of this class represent a column in a tree widget. + * <p><dl> + * <dt><b>Styles:</b></dt> + * <dd>LEFT, RIGHT, CENTER</dd> + * <dt><b>Events:</b></dt> + * <dd> Move, Resize, Selection</dd> + * </dl> + * </p><p> + * Note: Only one of the styles LEFT, RIGHT and CENTER may be specified. + * </p><p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + * + * @since 3.1 + */ +public class TreeColumn extends Item { + Tree parent; + //TODO - get header handle when needed instead of keeping reference + int headerHandle; + int stringPtr; + boolean moveable, resizable; + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Tree</code>) and a style value + * describing its behavior and appearance. The item is added + * to the end of the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#LEFT + * @see SWT#RIGHT + * @see SWT#CENTER + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TreeColumn (Tree parent, int style) { + this (checkNull(parent), checkStyle (style), parent.columnCount); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Tree</code>), a style value + * describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a composite control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * @param index the zero-relative index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT#LEFT + * @see SWT#RIGHT + * @see SWT#CENTER + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TreeColumn (Tree parent, int style, int index) { + super (parent, checkStyle (style)); + resizable = true; + this.parent = parent; + parent.createItem (this, index); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is moved or resized, by sending + * it one of the messages defined in the <code>ControlListener</code> + * interface. + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ControlListener + * @see #removeControlListener + */ +public void addControlListener(ControlListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Resize,typedListener); + addListener (SWT.Move,typedListener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the control is selected, by sending + * it one of the messages defined in the <code>SelectionListener</code> + * interface. + * <p> + * <code>widgetSelected</code> is called when the column header is selected. + * <code>widgetDefaultSelected</code> is not called. + * </p> + * + * @param listener the listener which should be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #removeSelectionListener + * @see SelectionEvent + */ +public void addSelectionListener (SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Selection,typedListener); + addListener (SWT.DefaultSelection,typedListener); +} + +static Tree checkNull (Tree tree) { + if (tree == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); + return tree; +} + +static int checkStyle (int style) { + return checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0); +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +int ConvertImage (int value, int targetType, int parameter, int culture) { + return image != null ? image.handle : 0; +} + +int ConvertText (int value, int targetType, int parameter, int culture) { + int result = 0; + if (text != null) { + result = stringPtr; + if (result == 0) { + result = stringPtr = createDotNetString (text, false); + } + } + return result; +} + +void createHandle () { + handle = OS.gcnew_GridViewColumn (); + if (handle == 0) SWT.error (SWT.ERROR_NO_HANDLES); + headerHandle = OS.gcnew_GridViewColumnHeader (); + int content = OS.gcnew_IntPtr (jniRef); + OS.GridViewColumn_Header (handle, headerHandle); + OS.GridViewColumnHeader_Content (headerHandle, content); + OS.GridViewColumn_Width(handle, 0); + OS.GCHandle_Free (content); +} + +void destroyWidget () { + parent.destroyItem (this); + releaseHandle (); +} + +int findContentPresenter (int element, int contentPresenterType) { + int type = OS.Object_GetType (element); + boolean found = OS.Object_Equals (contentPresenterType, type); + OS.GCHandle_Free (type); + if (found) return element; + int count = OS.VisualTreeHelper_GetChildrenCount (element); + for (int i = 0; i < count; i++) { + int child = OS.VisualTreeHelper_GetChild (element, i); + int result = findContentPresenter (child, contentPresenterType); + if (child != result) OS.GCHandle_Free (child); + if (result != 0) return result; + } + return 0; +} + +int findPart (String part) { + int contentPresenterType = OS.ContentPresenter_typeid(); + int contentPresenter = findContentPresenter(headerHandle, contentPresenterType); + int result = 0; + if (contentPresenter != 0) { + int template = OS.GridViewColumn_HeaderTemplate (handle); + int strPtr = createDotNetString (part, false); + result = OS.FrameworkTemplate_FindName (template, strPtr, contentPresenter); + OS.GCHandle_Free (strPtr); + OS.GCHandle_Free (template); + OS.GCHandle_Free (contentPresenter); + } + OS.GCHandle_Free (contentPresenterType); + return result; +} + +/** + * Returns a value which describes the position of the + * text or image in the receiver. The value will be one of + * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>. + * + * @return the alignment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getAlignment () { + checkWidget (); + if ((style & SWT.LEFT) != 0) return SWT.LEFT; + if ((style & SWT.CENTER) != 0) return SWT.CENTER; + if ((style & SWT.RIGHT) != 0) return SWT.RIGHT; + return SWT.LEFT; +} + +/** + * Gets the moveable attribute. A column that is + * not moveable cannot be reordered by the user + * by dragging the header but may be reordered + * by the programmer. + * + * @return the moveable attribute + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Tree#getColumnOrder() + * @see Tree#setColumnOrder(int[]) + * @see TreeColumn#setMoveable(boolean) + * @see SWT#Move + * + * @since 3.2 + */ +public boolean getMoveable () { + checkWidget (); + return moveable; +} + +String getNameText () { + return getText (); +} + +/** + * Returns the receiver's parent, which must be a <code>Tree</code>. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Tree getParent () { + checkWidget (); + return parent; +} + +/** + * Gets the resizable attribute. A column that is + * not resizable cannot be dragged by the user but + * may be resized by the programmer. + * + * @return the resizable attribute + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getResizable () { + checkWidget (); + return resizable; +} + +/** + * Returns the receiver's tool tip text, or null if it has + * not been set. + * + * @return the receiver's tool tip text + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public String getToolTipText () { + checkWidget(); + int strPtr = OS.FrameworkElement_ToolTip (headerHandle); + String string = createJavaString (strPtr); + OS.GCHandle_Free (strPtr); + return string; +} + +/** + * Gets the width of the receiver. + * + * @return the width + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getWidth () { + checkWidget (); + return (int) OS.GridViewColumn_ActualWidth(handle); +} + +int HandleConvert (int value, int targetType, int parameter, int culture) { + int imageSourceType = OS.ImageSource_typeid (); + int result = 0; + if (OS.Object_Equals (imageSourceType, targetType)) { + if (image != null) result = image.handle; + } else { + if (text != null) { + result = stringPtr; + if (result == 0) { + result = stringPtr = createDotNetString (text, false); + } + } + } + OS.GCHandle_Free (imageSourceType); + return result; +} + +/** + * Causes the receiver to be resized to its preferred size. + * For a composite, this involves computing the preferred size + * from its layout, if there is one. + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + */ +public void pack () { + checkWidget (); + int index = parent.indexOf (this); + if (index == -1) return; + int widthProperty = OS.GridViewColumn_WidthProperty (); + OS.DependencyObject_ClearValue (handle, widthProperty); + OS.GCHandle_Free (widthProperty); + OS.UIElement_UpdateLayout (headerHandle); +} + +void releaseHandle () { + super.releaseHandle (); + if (handle != 0) OS.GCHandle_Free (handle); + handle = 0; + OS.GCHandle_Free (headerHandle); + headerHandle = 0; + parent = null; +} + +void releaseWidget () { + super.releaseWidget (); + if (stringPtr != 0) OS.GCHandle_Free (stringPtr); + stringPtr = 0; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is moved or resized. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see ControlListener + * @see #addControlListener + */ +public void removeControlListener (ControlListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Move, listener); + eventTable.unhook (SWT.Resize, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the control is selected. + * + * @param listener the listener which should no longer be notified + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SelectionListener + * @see #addSelectionListener + */ +public void removeSelectionListener(SelectionListener listener) { + checkWidget (); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Selection, listener); + eventTable.unhook (SWT.DefaultSelection,listener); +} + +/** + * Controls how text and images will be displayed in the receiver. + * The argument should be one of <code>LEFT</code>, <code>RIGHT</code> + * or <code>CENTER</code>. + * + * @param alignment the new alignment + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setAlignment (int alignment) { + checkWidget (); + if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return; + int index = parent.indexOf (this); + if (index == -1 || index == 0) return; + style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER); + style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER); + //TODO +} + +public void setImage (Image image) { + checkWidget(); + super.setImage (image); + int part = findPart (Tree.IMAGE_PART_NAME); + if (part != 0) { + int property = OS.Image_SourceProperty (); + int bindingExpression = OS.FrameworkElement_GetBindingExpression (part, property); + OS.BindingExpression_UpdateTarget (bindingExpression); + OS.GCHandle_Free (bindingExpression); + OS.GCHandle_Free (property); + OS.GCHandle_Free (part); + } +} + +/** + * Sets the moveable attribute. A column that is + * moveable can be reordered by the user by dragging + * the header. A column that is not moveable cannot be + * dragged by the user but may be reordered + * by the programmer. + * + * @param moveable the moveable attribute + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Tree#setColumnOrder(int[]) + * @see Tree#getColumnOrder() + * @see TreeColumn#getMoveable() + * @see SWT#Move + * + * @since 3.2 + */ +public void setMoveable (boolean moveable) { + checkWidget (); + this.moveable = moveable; +} + +/** + * Sets the resizable attribute. A column that is + * not resizable cannot be dragged by the user but + * may be resized by the programmer. + * + * @param resizable the resize attribute + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setResizable (boolean resizable) { + checkWidget (); + this.resizable = resizable; +} + +void setSortDirection (int direction) { + //TODO +} + +public void setText (String string) { + checkWidget (); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + if (string.equals (text)) return; + super.setText (string); + if (stringPtr != 0) { + OS.GCHandle_Free (stringPtr); + stringPtr = 0; + } + int part = findPart (Tree.TEXT_PART_NAME); + if (part != 0) { + int property = OS.TextBlock_TextProperty (); + int bindingExpression = OS.FrameworkElement_GetBindingExpression (part, property); + OS.BindingExpression_UpdateTarget (bindingExpression); + OS.GCHandle_Free (bindingExpression); + OS.GCHandle_Free (property); + OS.GCHandle_Free (part); + } +} + +/** + * Sets the receiver's tool tip text to the argument, which + * may be null indicating that no tool tip text should be shown. + * + * @param string the new tool tip text (or null) + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setToolTipText (String string) { + checkWidget(); + int strPtr = createDotNetString (string, false); + OS.FrameworkElement_ToolTip (headerHandle, strPtr); + OS.GCHandle_Free (strPtr); +} + +/** + * Sets the width of the receiver. + * + * @param width the new width + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setWidth (int width) { + checkWidget (); + OS.GridViewColumn_Width (handle, width); +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TreeItem.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TreeItem.java new file mode 100644 index 0000000000..778b330acb --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/TreeItem.java @@ -0,0 +1,1304 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.graphics.*; + +/** + * Instances of this class represent a selectable user interface object + * that represents a hierarchy of tree items in a tree widget. + * + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>(none)</dd> + * </dl> + * <p> + * IMPORTANT: This class is <em>not</em> intended to be subclassed. + * </p> + */ + +public class TreeItem extends Item { + int [] stringHandle; + Tree parent; + String [] strings; + Image [] images; + int itemCount; + boolean checked, grayed, cached; + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Tree</code> or a <code>TreeItem</code>) + * and a style value describing its behavior and appearance. + * The item is added to the end of the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a tree control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TreeItem (Tree parent, int style) { + this (checkNull (parent), null, style, parent.itemCount, 0); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Tree</code> or a <code>TreeItem</code>), + * a style value describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a tree control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * @param index the zero-relative index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TreeItem (Tree parent, int style, int index) { + this (checkNull (parent), null, style, index, 0); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Tree</code> or a <code>TreeItem</code>) + * and a style value describing its behavior and appearance. + * The item is added to the end of the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parentItem a tree control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TreeItem (TreeItem parentItem, int style) { + this (checkNull (parentItem).parent, parentItem, style, parentItem.itemCount, 0); +} + +/** + * Constructs a new instance of this class given its parent + * (which must be a <code>Tree</code> or a <code>TreeItem</code>), + * a style value describing its behavior and appearance, and the index + * at which to place it in the items maintained by its parent. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parentItem a tree control which will be the parent of the new instance (cannot be null) + * @param style the style of control to construct + * @param index the zero-relative index to store the receiver in its parent + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see Widget#checkSubclass + * @see Widget#getStyle + */ +public TreeItem (TreeItem parentItem, int style, int index) { + this (checkNull (parentItem).parent, parentItem, style, index, 0); +} + +TreeItem (Tree parent, TreeItem parentItem, int style, int index, int handle) { + super (parent, style); + this.parent = parent; + this.handle = handle; + if (handle == 0) { + parent.createItem (this, parentItem, index); + } else { + createWidget (); + } +} + +static Tree checkNull (Tree tree) { + if (tree == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); + return tree; +} + +static TreeItem checkNull (TreeItem item) { + if (item == null) SWT.error (SWT.ERROR_NULL_ARGUMENT); + return item; +} + +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +void clear () { + text = ""; + image = null; + strings = null; + images = null; +// background = foreground = font = -1; +// cellBackground = cellForeground = cellFont = null; +// if ((parent.style & SWT.VIRTUAL) != 0) cached = false; +} + +/** + * Clears the item at the given zero-relative index in the receiver. + * The text, icon and other attributes of the item are set to the default + * value. If the tree was created with the <code>SWT.VIRTUAL</code> style, + * these attributes are requested again as needed. + * + * @param index the index of the item to clear + * @param all <code>true</code> if all child items of the indexed item should be + * cleared recursively, and <code>false</code> otherwise + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT#VIRTUAL + * @see SWT#SetData + * + * @since 3.2 + */ +public void clear (int index, boolean all) { + checkWidget (); +// int hwnd = parent.handle; +// int hItem = OS.SendMessage (hwnd, OS.TVM_GETNEXTITEM, OS.TVGN_CHILD, handle); +// if (hItem == 0) error (SWT.ERROR_INVALID_RANGE); +// hItem = parent.findItem (hItem, index); +// if (hItem == 0) error (SWT.ERROR_INVALID_RANGE); +// TVITEM tvItem = new TVITEM (); +// tvItem.mask = OS.TVIF_HANDLE | OS.TVIF_PARAM; +// parent.clear (hItem, tvItem); +// if (all) { +// hItem = OS.SendMessage (hwnd, OS.TVM_GETNEXTITEM, OS.TVGN_CHILD, hItem); +// parent.clearAll (hItem, tvItem, all); +// } +} + +/** + * Clears all the items in the receiver. The text, icon and other + * attributes of the items are set to their default values. If the + * tree was created with the <code>SWT.VIRTUAL</code> style, these + * attributes are requested again as needed. + * + * @param all <code>true</code> if all child items should be cleared + * recursively, and <code>false</code> otherwise + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT#VIRTUAL + * @see SWT#SetData + * + * @since 3.2 + */ +public void clearAll (boolean all) { + checkWidget (); +// int hwnd = parent.handle; +// int hItem = OS.SendMessage (hwnd, OS.TVM_GETNEXTITEM, OS.TVGN_CHILD, handle); +// if (hItem == 0) return; +// TVITEM tvItem = new TVITEM (); +// tvItem.mask = OS.TVIF_HANDLE | OS.TVIF_PARAM; +// parent.clearAll (hItem, tvItem, all); +} + +void columnInserted(int index) { + int newLength = parent.columnCount + 1; + if (strings != null && strings.length == newLength) return; + if (strings != null) { + String [] temp = new String [newLength]; + System.arraycopy (strings, 0, temp, 0, index); + System.arraycopy (strings, index, temp, index + 1, parent.columnCount - index); + strings = temp; + } + if (stringHandle != null) { + int [] temp = new int [newLength]; + System.arraycopy (stringHandle, 0, temp, 0, index); + System.arraycopy (stringHandle, index, temp, index + 1, parent.columnCount - index); + stringHandle = temp; + } + if (images != null) { + Image [] temp = new Image [newLength]; + System.arraycopy (images, 0, temp, 0, index); + System.arraycopy (images, index, temp, index + 1, parent.columnCount - index); + images = temp; + } + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TreeItem item = parent.getItem (items, i, false); + if (item != null) { + item.columnInserted (index); + } + } + OS.GCHandle_Free (items); +} + +public void columnRemoved(int index) { + if (strings != null) { + String [] temp = new String [parent.columnCount]; + System.arraycopy (strings, 0, temp, 0, index); + System.arraycopy (strings, index + 1, temp, index, parent.columnCount - index); + strings = temp; + } + if (stringHandle != null) { + int [] temp = new int [parent.columnCount]; + System.arraycopy (stringHandle, 0, temp, 0, index); + System.arraycopy (stringHandle, index + 1, temp, index, parent.columnCount - index); + if (stringHandle [index] != 0) OS.GCHandle_Free (stringHandle [index]); + stringHandle = temp; + } + if (images != null) { + Image [] temp = new Image [parent.columnCount]; + System.arraycopy (images, 0, temp, 0, index); + System.arraycopy (images, index + 1, temp, index, parent.columnCount - index); + images = temp; + } + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TreeItem item = parent.getItem (items, i, false); + if (item != null) { + item.columnRemoved (index); + } + } + OS.GCHandle_Free (items); +} + +void createHandle () { + int headerHandle; + if (handle == 0) { + handle = OS.gcnew_TreeViewItem (); + if (handle == 0) error (SWT.ERROR_NO_HANDLES); + headerHandle = OS.gcnew_SWTTreeViewRowPresenter (parent.handle); + if (headerHandle == 0) error (SWT.ERROR_NO_HANDLES); + OS.GridViewRowPresenterBase_Columns (headerHandle, parent.columns); + OS.HeaderedItemsControl_Header (handle, headerHandle); + } else { + headerHandle = OS.HeaderedItemsControl_Header (handle); + } + int content = OS.gcnew_Point (jniRef, 0); + OS.GridViewRowPresenter_Content (headerHandle, content); + OS.GCHandle_Free (headerHandle); + OS.GCHandle_Free (content); +} + +void deregister () { + display.removeWidget (handle); +} + +void destroyWidget () { + parent.destroyItem (this); + super.destroyWidget (); +} + +int findContentPresenter (int element, int column) { + int controlTemplate = OS.Control_Template (handle); + int headerName = createDotNetString ("PART_Header", false); + int partHeader = OS.FrameworkTemplate_FindName (controlTemplate, headerName, handle); + //TODO - test this on classic look + int rowPresenter = OS.VisualTreeHelper_GetChild (partHeader, 0); + int contentPresenter = OS.VisualTreeHelper_GetChild (rowPresenter, column); + OS.GCHandle_Free (partHeader); + OS.GCHandle_Free (headerName); + OS.GCHandle_Free (controlTemplate); + OS.GCHandle_Free(rowPresenter); + return contentPresenter; +} + +int findPart (int column, String part) { + if (!OS.FrameworkElement_IsLoaded (handle)) return 0; + if (OS.UIElement_Visibility (handle) != OS.Visibility_Visible) return 0; + int contentPresenter = findContentPresenter (handle, column); + int columnHandle = OS.GridViewColumnCollection_default (parent.columns, column); + int cellTemplate = OS.GridViewColumn_CellTemplate (columnHandle); + int name = createDotNetString (part, false); + int result = OS.FrameworkTemplate_FindName (cellTemplate, name, contentPresenter); + OS.GCHandle_Free (columnHandle); + if (name != 0) OS.GCHandle_Free (name); + OS.GCHandle_Free (cellTemplate); + OS.GCHandle_Free (contentPresenter); + return result; +} + +/** + * Returns the receiver's background color. + * + * @return the background color + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + * + */ +public Color getBackground () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + return parent.getBackground (); +} + +/** + * Returns the background color at the given column index in the receiver. + * + * @param index the column index + * @return the background color + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public Color getBackground (int index) { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + return parent.getBackground (); +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent. + * + * @return the receiver's bounding rectangle + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Rectangle getBounds () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + //BUG? + if (!OS.UIElement_IsVisible(handle)) return new Rectangle (0, 0, 0, 0); + int point = OS.gcnew_Point (0, 0); + int location = OS.UIElement_TranslatePoint (handle, point, parent.handle); + int x = (int) OS.Point_X (location); + int y = (int) OS.Point_Y (location); + OS.GCHandle_Free (point); + OS.GCHandle_Free (location); + int width = (int) OS.FrameworkElement_ActualWidth (handle); + int height = (int) OS.FrameworkElement_ActualHeight (handle); + return new Rectangle (x, y, width, height); +} + +/** + * Returns a rectangle describing the receiver's size and location + * relative to its parent at a column in the tree. + * + * @param index the index that specifies the column + * @return the receiver's bounding column rectangle + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public Rectangle getBounds (int index) { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + if (!(0 <= index && index < parent.columnCount)) return new Rectangle (0, 0, 0, 0); + if (!OS.UIElement_IsVisible (handle)) return new Rectangle (0, 0, 0, 0); + int point = OS.gcnew_Point (0, 0); + OS.UIElement_UpdateLayout (handle); + int contentPresenter = findContentPresenter (handle, index); + int location = OS.UIElement_TranslatePoint (contentPresenter, point, parent.handle); + int x = (int) OS.Point_X (location); + int y = (int) OS.Point_Y (location); + OS.GCHandle_Free (point); + OS.GCHandle_Free (location); + int width = (int) OS.FrameworkElement_ActualWidth (contentPresenter); + int height = (int) OS.FrameworkElement_ActualHeight (contentPresenter); + return new Rectangle (x, y, width, height); +} + +/** + * Returns <code>true</code> if the receiver is checked, + * and false otherwise. When the parent does not have + * the <code>CHECK style, return false. + * <p> + * + * @return the checked state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getChecked () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + if ((parent.style & SWT.CHECK) == 0) return false; + return checked; +} + +/** + * Returns <code>true</code> if the receiver is expanded, + * and false otherwise. + * <p> + * + * @return the expanded state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getExpanded () { + checkWidget (); + return OS.TreeViewItem_IsExpanded (handle); +} + +/** + * Returns the font that the receiver will use to paint textual information for this item. + * + * @return the receiver's font + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public Font getFont () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + return parent.getFont (); +} + +/** + * Returns the font that the receiver will use to paint textual information + * for the specified cell in this item. + * + * @param index the column index + * @return the receiver's font + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public Font getFont (int index) { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + return parent.getFont (); +} + +/** + * Returns the foreground color that the receiver will use to draw. + * + * @return the receiver's foreground color + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + * + */ +public Color getForeground () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + return parent.getForeground (); +} + +/** + * + * Returns the foreground color at the given column index in the receiver. + * + * @param index the column index + * @return the foreground color + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public Color getForeground (int index) { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + return parent.getForeground (); +} + +/** + * Returns <code>true</code> if the receiver is grayed, + * and false otherwise. When the parent does not have + * the <code>CHECK style, return false. + * <p> + * + * @return the grayed state of the checkbox + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public boolean getGrayed () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + if ((parent.style & SWT.CHECK) == 0) return false; + return false; +} + +/** + * Returns the item at the given, zero-relative index in the + * receiver. Throws an exception if the index is out of range. + * + * @param index the index of the item to return + * @return the item at the given index + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public TreeItem getItem (int index) { + checkWidget (); + if (index < 0 || index >= itemCount) error (SWT.ERROR_INVALID_RANGE); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + int items = OS.ItemsControl_Items (handle); + TreeItem item = parent.getItem (items, index, true); + OS.GCHandle_Free (items); + return item; +} + +/** + * Returns the number of items contained in the receiver + * that are direct item children of the receiver. + * + * @return the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getItemCount () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + return itemCount; +} + +/** + * Returns a (possibly empty) array of <code>TreeItem</code>s which + * are the direct item children of the receiver. + * <p> + * Note: This is not the actual structure used by the receiver + * to maintain its list of items, so modifying the array will + * not affect the receiver. + * </p> + * + * @return the receiver's items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TreeItem [] getItems () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + int items = OS.ItemsControl_Items (handle); + TreeItem [] result = new TreeItem [itemCount]; + for (int i = 0; i < result.length; i++) { + result [i] = parent.getItem (items, i, true); + } + OS.GCHandle_Free (items); + return result; +} + +public Image getImage () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + return super.getImage (); +} + +/** + * Returns the image stored at the given column index in the receiver, + * or null if the image has not been set or if the column does not exist. + * + * @param index the column index + * @return the image stored at the given column index in the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public Image getImage (int index) { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + if (index == 0) return getImage (); + if (images != null) { + if (0 <= index && index < images.length) return images [index]; + } + return null; +} + +/** + * Returns a rectangle describing the size and location + * relative to its parent of an image at a column in the + * tree. + * + * @param index the index that specifies the column + * @return the receiver's bounding image rectangle + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public Rectangle getImageBounds (int index) { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + //TODO + return new Rectangle (0, 0, 0, 0); +} + +/** + * Returns the receiver's parent, which must be a <code>Tree</code>. + * + * @return the receiver's parent + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public Tree getParent () { + checkWidget (); + return parent; +} + +/** + * Returns the receiver's parent item, which must be a + * <code>TreeItem</code> or null when the receiver is a + * root. + * + * @return the receiver's parent item + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public TreeItem getParentItem () { + checkWidget (); + int parentItem = OS.FrameworkElement_Parent (handle); + TreeItem result = null; + if (!OS.Object_Equals (parentItem, parent.handle)) { + result = (TreeItem) display.getWidget (parentItem); + } + OS.GCHandle_Free (parentItem); + return result; +} + +public String getText () { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + return getText (0); +} + +/** + * Returns the text stored at the given column index in the receiver, + * or empty string if the text has not been set. + * + * @param index the column index + * @return the text stored at the given column index in the receiver + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public String getText (int index) { + checkWidget (); + if (!parent.checkData (this)) error (SWT.ERROR_WIDGET_DISPOSED); + if (strings != null) { + if (0 <= index && index < strings.length) { + String string = strings [index]; + return string != null ? string : ""; + } + } + return ""; +} + +Control getWidgetControl () { + return parent; +} + +/** + * Searches the receiver's list starting at the first item + * (index 0) until an item is found that is equal to the + * argument, and returns the index of that item. If no item + * is found, returns -1. + * + * @param item the search item + * @return the index of the item + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the tool item is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the tool item has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public int indexOf (TreeItem item) { + checkWidget (); + if (item == null) error (SWT.ERROR_NULL_ARGUMENT); + if (item.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); + int items = OS.ItemsControl_Items (handle); + int index = OS.ItemCollection_IndexOf(items, item.handle); + OS.GCHandle_Free (items); + return index; +} + +void register () { + display.addWidget (handle, this); +} + +void releaseChildren (boolean destroy) { + int items = OS.ItemsControl_Items (handle); + for (int i=0; i<itemCount; i++) { + TreeItem item = parent.getItem (items, i, false); + if (item != null && !item.isDisposed ()) item.release (false); + } + OS.GCHandle_Free (items); + super.releaseChildren (destroy); +} + +void releaseHandle () { + super.releaseHandle (); + if (handle != 0) OS.GCHandle_Free (handle); + handle = 0; + parent = null; +} + +void releaseWidget () { + super.releaseWidget (); + if (stringHandle != null) { + for (int i = 0; i < stringHandle.length; i++) { + if (stringHandle [i] != 0) OS.GCHandle_Free (stringHandle [i]); + } + } + stringHandle = null; + strings = null; + images = null; +} + +/** + * Removes all of the items from the receiver. + * <p> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void removeAll () { + checkWidget (); + int items = OS.ItemsControl_Items (handle); + for (int i = 0; i < itemCount; i++) { + TreeItem item = parent.getItem (items, i, false); + if (item != null && !item.isDisposed ()) item.release (false); + } + OS.ItemCollection_Clear (items); + OS.GCHandle_Free (items); +} + +void resetImage (int index) { + if (OS.FrameworkElement_IsLoaded (handle)) { + int part = findPart (index, Table.IMAGE_PART_NAME); + int property = OS.Image_SourceProperty (); + int bindingExpression = OS.FrameworkElement_GetBindingExpression (part, property); + OS.BindingExpression_UpdateTarget (bindingExpression); + OS.GCHandle_Free (part); + OS.GCHandle_Free (property); + OS.GCHandle_Free (bindingExpression); + } +} + +void resetText (int index) { + if (OS.FrameworkElement_IsLoaded (handle)) { + int part = findPart (index, Table.TEXT_PART_NAME); + int property = OS.TextBlock_TextProperty (); + int bindingExpression = OS.FrameworkElement_GetBindingExpression (part, property); + OS.BindingExpression_UpdateTarget (bindingExpression); + OS.GCHandle_Free (part); + OS.GCHandle_Free (property); + OS.GCHandle_Free (bindingExpression); + } +} + +/** + * Sets the receiver's background color to the color specified + * by the argument, or to the default system color for the item + * if the argument is null. + * + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + * + */ +public void setBackground (Color color) { + checkWidget (); + if (color != null && color.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } + //TODO + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +} + +/** + * Sets the background color at the given column index in the receiver + * to the color specified by the argument, or to the default system color for the item + * if the argument is null. + * + * @param index the column index + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + * + */ +public void setBackground (int index, Color color) { + checkWidget (); + if (color != null && color.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + //TODO + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +} + +/** + * Sets the checked state of the receiver. + * <p> + * + * @param checked the new checked state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setChecked (boolean checked) { + checkWidget (); + if ((parent.style & SWT.CHECK) == 0) return; + //TODO + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +} + +/** + * Sets the expanded state of the receiver. + * <p> + * + * @param expanded the new expanded state + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setExpanded (boolean expanded) { + checkWidget (); + OS.TreeViewItem_IsExpanded (handle, expanded); +} + +/** + * Sets the font that the receiver will use to paint textual information + * for this item to the font specified by the argument, or to the default font + * for that kind of control if the argument is null. + * + * @param font the new font (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.0 + */ +public void setFont (Font font){ + checkWidget (); + if (font != null && font.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } + //TODO + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +} + + +/** + * Sets the font that the receiver will use to paint textual information + * for the specified cell in this item to the font specified by the + * argument, or to the default font for that kind of control if the + * argument is null. + * + * @param index the column index + * @param font the new font (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void setFont (int index, Font font) { + checkWidget (); + if (font != null && font.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + //TODO + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +} + +/** + * Sets the receiver's foreground color to the color specified + * by the argument, or to the default system color for the item + * if the argument is null. + * + * @param color the new color (or null) + * + * @since 2.0 + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 2.0 + * + */ +public void setForeground (Color color) { + checkWidget (); + if (color != null && color.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } + //TODO + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +} + +/** + * Sets the foreground color at the given column index in the receiver + * to the color specified by the argument, or to the default system color for the item + * if the argument is null. + * + * @param index the column index + * @param color the new color (or null) + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the argument has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + * + */ +public void setForeground (int index, Color color){ + checkWidget (); + if (color != null && color.isDisposed ()) { + SWT.error (SWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + //TODO + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +} + +/** + * Sets the grayed state of the checkbox for this item. This state change + * only applies if the Tree was created with the SWT.CHECK style. + * + * @param grayed the new grayed state of the checkbox + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public void setGrayed (boolean grayed) { + checkWidget (); + if ((parent.style & SWT.CHECK) == 0) return; + this.grayed = grayed; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; +} + +/** + * Sets the image for multiple columns in the tree. + * + * @param images the array of new images + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the array of images is null</li> + * <li>ERROR_INVALID_ARGUMENT - if one of the images has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void setImage (Image [] images) { + checkWidget (); + if (images == null) error (SWT.ERROR_NULL_ARGUMENT); + for (int i=0; i<images.length; i++) { + setImage (i, images [i]); + } +} + +/** + * Sets the receiver's image at a column. + * + * @param index the column index + * @param image the new image + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void setImage (int index, Image image) { + checkWidget(); + if (image != null && image.isDisposed ()) { + error(SWT.ERROR_INVALID_ARGUMENT); + } + int count = Math.max (1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + if (images == null) { + images = new Image [count]; + } + images [index] = image; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; + resetImage (index); +} + +public void setImage (Image image) { + checkWidget (); + setImage (0, image); +} + +/** + * Sets the number of child items contained in the receiver. + * + * @param count the number of items + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.2 + */ +public void setItemCount (int count) { + checkWidget (); + parent.setItemCount (this, count); +} + +/** + * Sets the text for multiple columns in the tree. + * + * @param strings the array of new strings + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void setText (String [] strings) { + checkWidget (); + if (strings == null) error (SWT.ERROR_NULL_ARGUMENT); + for (int i=0; i<strings.length; i++) { + String string = strings [i]; + if (string != null) setText (i, string); + } +} + +/** + * Sets the receiver's text at a column + * + * @param index the column index + * @param string the new text + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the text is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @since 3.1 + */ +public void setText (int index, String string) { + checkWidget(); + if (string == null) error (SWT.ERROR_NULL_ARGUMENT); + int count = Math.max(1, parent.getColumnCount ()); + if (0 > index || index > count - 1) return; + + if (strings == null) { + strings = new String [count]; + } + if (string.equals (strings [index])) return; + strings [index] = string; + if ((parent.style & SWT.VIRTUAL) != 0) cached = true; + if (stringHandle != null && stringHandle [index] != 0) { + OS.GCHandle_Free (stringHandle [index]); + stringHandle [index] = 0; + } + resetText (index); +} + +public void setText (String string) { + checkWidget (); + setText (0, string); +} + +} diff --git a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Widget.java b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Widget.java new file mode 100644 index 0000000000..a519875153 --- /dev/null +++ b/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/Widget.java @@ -0,0 +1,1364 @@ +/******************************************************************************* + * Copyright (c) 2000, 2006 IBM Corporation and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * IBM Corporation - initial API and implementation + *******************************************************************************/ +package org.eclipse.swt.widgets; + + +import org.eclipse.swt.internal.*; +import org.eclipse.swt.internal.wpf.*; +import org.eclipse.swt.*; +import org.eclipse.swt.events.*; + +/** + * This class is the abstract superclass of all user interface objects. + * Widgets are created, disposed and issue notification to listeners + * when events occur which affect them. + * <dl> + * <dt><b>Styles:</b></dt> + * <dd>(none)</dd> + * <dt><b>Events:</b></dt> + * <dd>Dispose</dd> + * </dl> + * <p> + * IMPORTANT: This class is intended to be subclassed <em>only</em> + * within the SWT implementation. However, it has not been marked + * final to allow those outside of the SWT development team to implement + * patched versions of the class in order to get around specific + * limitations in advance of when those limitations can be addressed + * by the team. Any class built using subclassing to access the internals + * of this class will likely fail to compile or run between releases and + * may be strongly platform specific. Subclassing should not be attempted + * without an intimate and detailed understanding of the workings of the + * hierarchy. No support is provided for user-written classes which are + * implemented as subclasses of this class. + * </p> + * + * @see #checkSubclass + */ + +public abstract class Widget { + /** + * the handle to the OS resource + * (Warning: This field is platform dependent) + * <p> + * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT + * public API. It is marked public only so that it can be shared + * within the packages provided by SWT. It is not available on all + * platforms and should never be accessed from application code. + * </p> + */ + public int handle; + int jniRef; + int style, state; + Display display; + EventTable eventTable; + Object data; + + /* Global state flags */ + static final int DISPOSED = 1<<0; + static final int CANVAS = 1<<1; + static final int KEYED_DATA = 1<<2; + static final int DISABLED = 1<<3; + static final int HIDDEN = 1<<4; + + /* A layout was requested on this widget */ + static final int LAYOUT_NEEDED = 1<<5; + + /* The preferred size of a child has changed */ + static final int LAYOUT_CHANGED = 1<<6; + + /* A layout was requested in this widget hierachy */ + static final int LAYOUT_CHILD = 1<<7; + + /* Background flags */ + static final int THEME_BACKGROUND = 1<<8; + static final int DRAW_BACKGROUND = 1<<9; + static final int PARENT_BACKGROUND = 1<<10; + + /* Dispose and release flags */ + static final int RELEASED = 1<<11; + static final int DISPOSE_SENT = 1<<12; + + + static final int MOVED = 1<<13; + static final int RESIZED = 1<<14; + + /* Mouse track flag */ + static final int TRACK_MOUSE = 1<<13; + + /* Default size for widgets */ + static final int DEFAULT_WIDTH = 64; + static final int DEFAULT_HEIGHT = 64; + + + static final int CLICK = 1; + +/** + * Prevents uninitialized instances from being created outside the package. + */ +Widget () { +} + +/** + * Constructs a new instance of this class given its parent + * and a style value describing its behavior and appearance. + * <p> + * The style value is either one of the style constants defined in + * class <code>SWT</code> which is applicable to instances of this + * class, or must be built by <em>bitwise OR</em>'ing together + * (that is, using the <code>int</code> "|" operator) two or more + * of those <code>SWT</code> style constants. The class description + * lists the style constants that are applicable to the class. + * Style bits are also inherited from superclasses. + * </p> + * + * @param parent a widget which will be the parent of the new instance (cannot be null) + * @param style the style of widget to construct + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the parent is disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + * + * @see SWT + * @see #checkSubclass + * @see #getStyle + */ +public Widget (Widget parent, int style) { + checkSubclass (); + checkParent (parent); + this.style = style; + display = parent.display; +} + +void _addListener (int eventType, Listener listener) { + if (eventTable == null) eventTable = new EventTable (); + eventTable.hook (eventType, listener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when an event of the given type occurs. When the + * event does occur in the widget, the listener is notified by + * sending it the <code>handleEvent()</code> message. The event + * type is one of the event constants defined in class <code>SWT</code>. + * + * @param eventType the type of event to listen for + * @param listener the listener which should be notified when the event occurs + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Listener + * @see SWT + * @see #removeListener + * @see #notifyListeners + */ +public void addListener (int eventType, Listener listener) { + checkWidget(); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + _addListener (eventType, listener); +} + +/** + * Adds the listener to the collection of listeners who will + * be notified when the widget is disposed. When the widget is + * disposed, the listener is notified by sending it the + * <code>widgetDisposed()</code> message. + * + * @param listener the listener which should be notified when the receiver is disposed + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see DisposeListener + * @see #removeDisposeListener + */ +public void addDisposeListener (DisposeListener listener) { + checkWidget(); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + TypedListener typedListener = new TypedListener (listener); + addListener (SWT.Dispose, typedListener); +} + +void addWidget () { +} + +/** + * Returns a style with exactly one style bit set out of + * the specified set of exclusive style bits. All other + * possible bits are cleared when the first matching bit + * is found. Bits that are not part of the possible set + * are untouched. + * + * @param style the original style bits + * @param int0 the 0th possible style bit + * @param int1 the 1st possible style bit + * @param int2 the 2nd possible style bit + * @param int3 the 3rd possible style bit + * @param int4 the 4th possible style bit + * @param int5 the 5th possible style bit + * + * @return the new style bits + */ +static int checkBits (int style, int int0, int int1, int int2, int int3, int int4, int int5) { + int mask = int0 | int1 | int2 | int3 | int4 | int5; + if ((style & mask) == 0) style |= int0; + if ((style & int0) != 0) style = (style & ~mask) | int0; + if ((style & int1) != 0) style = (style & ~mask) | int1; + if ((style & int2) != 0) style = (style & ~mask) | int2; + if ((style & int3) != 0) style = (style & ~mask) | int3; + if ((style & int4) != 0) style = (style & ~mask) | int4; + if ((style & int5) != 0) style = (style & ~mask) | int5; + return style; +} + +boolean checkEvent (int e) { + if (isDisposed ()) return false; + int routedEventType = OS.RoutedEventArgs_typeid (); + int source = 0; + if (OS.Type_IsInstanceOfType (routedEventType, e)) { + source = OS.RoutedEventArgs_Source (e); + } + OS.GCHandle_Free (routedEventType); + if (source == 0) return true; + if (OS.Object_Equals (source, handle)) { + OS.GCHandle_Free (source); + return true; + } + Widget widget = display.getWidget (source); + OS.GCHandle_Free (source); + if (widget == this) return true; + if (hasItems ()) { + if (this == widget.getWidgetControl ()) return true; + } + return false; +} + +void checkOrientation (Widget parent) { + style &= ~SWT.MIRRORED; + if ((style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT)) == 0) { + if (parent != null) { + if ((parent.style & SWT.LEFT_TO_RIGHT) != 0) style |= SWT.LEFT_TO_RIGHT; + if ((parent.style & SWT.RIGHT_TO_LEFT) != 0) style |= SWT.RIGHT_TO_LEFT; + } + } + style = checkBits (style, SWT.LEFT_TO_RIGHT, SWT.RIGHT_TO_LEFT, 0, 0, 0, 0); +} + +void checkOpened () { + /* Do nothing */ +} + +/** + * Throws an exception if the specified widget can not be + * used as a parent for the receiver. + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> + * <li>ERROR_INVALID_ARGUMENT - if the parent is disposed</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> + * </ul> + */ +void checkParent (Widget parent) { + if (parent == null) error (SWT.ERROR_NULL_ARGUMENT); + if (parent.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); + parent.checkWidget (); + parent.checkOpened (); +} + +/** + * Checks that this class can be subclassed. + * <p> + * The SWT class library is intended to be subclassed + * only at specific, controlled points (most notably, + * <code>Composite</code> and <code>Canvas</code> when + * implementing new widgets). This method enforces this + * rule unless it is overridden. + * </p><p> + * <em>IMPORTANT:</em> By providing an implementation of this + * method that allows a subclass of a class which does not + * normally allow subclassing to be created, the implementer + * agrees to be fully responsible for the fact that any such + * subclass will likely fail between SWT releases and will be + * strongly platform specific. No support is provided for + * user-written classes which are implemented in this fashion. + * </p><p> + * The ability to subclass outside of the allowed SWT classes + * is intended purely to enable those not on the SWT development + * team to implement patches in order to get around specific + * limitations in advance of when those limitations can be + * addressed by the team. Subclassing should not be attempted + * without an intimate and detailed understanding of the hierarchy. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> + * </ul> + */ +protected void checkSubclass () { + if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); +} + +/** + * Throws an <code>SWTException</code> if the receiver can not + * be accessed by the caller. This may include both checks on + * the state of the receiver and more generally on the entire + * execution context. This method <em>should</em> be called by + * widget implementors to enforce the standard SWT invariants. + * <p> + * Currently, it is an error to invoke any method (other than + * <code>isDisposed()</code>) on a widget that has had its + * <code>dispose()</code> method called. It is also an error + * to call widget methods from any thread that is different + * from the thread that created the widget. + * </p><p> + * In future releases of SWT, there may be more or fewer error + * checks and exceptions may be thrown for different reasons. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +protected void checkWidget () { + Display display = this.display; + if (display == null) error (SWT.ERROR_WIDGET_DISPOSED); + if (display.thread != Thread.currentThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); + if ((state & DISPOSED) != 0) error (SWT.ERROR_WIDGET_DISPOSED); +} + +void createHandle () { +} + +int createDotNetString (String string, boolean fixMnemonic) { + if (string == null) return 0; + char [] buffer; + if (fixMnemonic) { + buffer = fixMnemonic (string); + } else { + int length = string.length (); + buffer = new char [length + 1]; + string.getChars (0, length, buffer, 0); + } + int ptr = OS.gcnew_String (buffer); + if (ptr == 0) error (SWT.ERROR_NO_HANDLES); + return ptr; +} + +String createJavaString (int ptr) { + int charArray = OS.String_ToCharArray (ptr); + char[] chars = new char[OS.String_Length (ptr)]; + OS.memmove (chars, charArray, chars.length * 2); + OS.GCHandle_Free (charArray); + return new String (chars); +} + +void createWidget () { + jniRef = OS.NewGlobalRef (this); + if (jniRef == 0) error (SWT.ERROR_NO_HANDLES); + createHandle (); + addWidget (); + register (); + hookEvents (); +} + +/** + * Destroys the widget in the operating system and releases + * the widget's handle. If the widget does not have a handle, + * this method may hide the widget, mark the widget as destroyed + * or do nothing, depending on the widget. + * <p> + * When a widget is destroyed in the operating system, its + * descendents are also destroyed by the operating system. + * This means that it is only necessary to call <code>destroyWidget</code> + * on the root of the widget tree. + * </p><p> + * This method is called after <code>releaseWidget()</code>. + * </p><p> + * See also <code>releaseChild()</code>, <code>releaseWidget()</code> + * and <code>releaseHandle()</code>. + * </p> + * + * @see #dispose + */ +void destroyWidget () { + releaseHandle (); +} + +/** + * Disposes of the operating system resources associated with + * the receiver and all its descendents. After this method has + * been invoked, the receiver and all descendents will answer + * <code>true</code> when sent the message <code>isDisposed()</code>. + * Any internal connections between the widgets in the tree will + * have been removed to facilitate garbage collection. + * <p> + * NOTE: This method is not called recursively on the descendents + * of the receiver. This means that, widget implementers can not + * detect when a widget is being disposed of by re-implementing + * this method, but should instead listen for the <code>Dispose</code> + * event. + * </p> + * + * @exception SWTException <ul> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #addDisposeListener + * @see #removeDisposeListener + * @see #checkWidget + */ +public void dispose () { + /* + * Note: It is valid to attempt to dispose a widget + * more than once. If this happens, fail silently. + */ + if (isDisposed ()) return; + if (!isValidThread ()) error (SWT.ERROR_THREAD_INVALID_ACCESS); + release (true); +} + +boolean dragDetect (int x, int y) { + return hooks (SWT.DragDetect); +} + +boolean dragOverride () { + return false; +} + +void dumpObjectType (int object) { + int type = OS.Type_FullName(OS.Object_GetType(object)); + String typeName = createJavaString(type); + OS.GCHandle_Free(type); + System.out.println(typeName); +} + +void dumpVisualTree (int visual, int depth) { + for (int i = 0; i < depth; i++) System.out.print ("\t"); + int type = OS.Type_FullName(OS.Object_GetType(visual)); + String typeName = createJavaString (type); + int name = OS.FrameworkElement_Name (visual); + String widgetName = createJavaString (name); + OS.GCHandle_Free(type); + OS.GCHandle_Free (name); + System.out.println(typeName + " ["+widgetName+"]"); + int count = OS.VisualTreeHelper_GetChildrenCount(visual); + for (int i = 0; i < count; i++) { + int child = OS.VisualTreeHelper_GetChild (visual, i); + dumpVisualTree(child, depth+1); + OS.GCHandle_Free(child); + } +} +/** + * Does whatever widget specific cleanup is required, and then + * uses the code in <code>SWTError.error</code> to handle the error. + * + * @param code the descriptive error code + * + * @see SWT#error(int) + */ +void error (int code) { + SWT.error(code); +} + +boolean filters (int eventType) { + return display.filters (eventType); +} + +char [] fixMnemonic (String string) { + int length = string.length (); + char [] text = new char [length]; + string.getChars (0, length, text, 0); + int i = 0, j = 0; + char [] result = new char [length * 2 + 1]; + while (i < length) { + switch (text [i]) { + case '&': + if (i + 1 < length && text [i + 1] == '&') { + i++; + } else { + text [i] = '_'; + } + break; + case '_': + result [j++] = '_'; + break; + } + result [j++] = text [i++]; + } + return result; +} + +/** + * Returns the application defined widget data associated + * with the receiver, or null if it has not been set. The + * <em>widget data</em> is a single, unnamed field that is + * stored with every widget. + * <p> + * Applications may put arbitrary objects in this field. If + * the object stored in the widget data needs to be notified + * when the widget is disposed of, it is the application's + * responsibility to hook the Dispose event on the widget and + * do so. + * </p> + * + * @return the widget data + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - when the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - when called from the wrong thread</li> + * </ul> + * + * @see #setData(Object) + */ +public Object getData () { + checkWidget(); + return (state & KEYED_DATA) != 0 ? ((Object []) data) [0] : data; +} + +/** + * Returns the application defined property of the receiver + * with the specified name, or null if it has not been set. + * <p> + * Applications may have associated arbitrary objects with the + * receiver in this fashion. If the objects stored in the + * properties need to be notified when the widget is disposed + * of, it is the application's responsibility to hook the + * Dispose event on the widget and do so. + * </p> + * + * @param key the name of the property + * @return the value of the property or null if it has not been set + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the key is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #setData(String, Object) + */ +public Object getData (String key) { + checkWidget(); + if (key == null) error (SWT.ERROR_NULL_ARGUMENT); + if ((state & KEYED_DATA) != 0) { + Object [] table = (Object []) data; + for (int i=1; i<table.length; i+=2) { + if (key.equals (table [i])) return table [i+1]; + } + } + return null; +} + +/** + * Returns the <code>Display</code> that is associated with + * the receiver. + * <p> + * A widget's display is either provided when it is created + * (for example, top level <code>Shell</code>s) or is the + * same as its parent's display. + * </p> + * + * @return the receiver's display + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * </ul> + */ +public Display getDisplay () { + Display display = this.display; + if (display == null) error (SWT.ERROR_WIDGET_DISPOSED); + return display; +} + +Menu getMenu () { + return null; +} + +/** + * Returns the name of the widget. This is the name of + * the class without the package name. + * + * @return the name of the widget + */ +String getName () { + String string = getClass ().getName (); + int index = string.lastIndexOf ('.'); + if (index == -1) return string; + return string.substring (index + 1, string.length ()); +} + +/* + * Returns a short printable representation for the contents + * of a widget. For example, a button may answer the label + * text. This is used by <code>toString</code> to provide a + * more meaningful description of the widget. + * + * @return the contents string for the widget + * + * @see #toString + */ +String getNameText () { + return ""; //$NON-NLS-1$ +} + +/** + * Returns the receiver's style information. + * <p> + * Note that the value which is returned by this method <em>may + * not match</em> the value which was provided to the constructor + * when the receiver was created. This can occur when the underlying + * operating system does not support a particular combination of + * requested styles. For example, if the platform widget used to + * implement a particular SWT widget always has scroll bars, the + * result of calling this method would always have the + * <code>SWT.H_SCROLL</code> and <code>SWT.V_SCROLL</code> bits set. + * </p> + * + * @return the style bits + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + */ +public int getStyle () { + checkWidget(); + return style; +} + +Control getWidgetControl () { + return null; +} + +boolean hasItems () { + return false; +} + +void hookEvents () { +} + +/* + * Returns <code>true</code> if the specified eventType is + * hooked, and <code>false</code> otherwise. Implementations + * of SWT can avoid creating objects and sending events + * when an event happens in the operating system but + * there are no listeners hooked for the event. + * + * @param eventType the event to be checked + * + * @return <code>true</code> when the eventType is hooked and <code>false</code> otherwise + * + * @see #isListening + */ +boolean hooks (int eventType) { + if (eventTable == null) return false; + return eventTable.hooks (eventType); +} + +/** + * Returns <code>true</code> if the widget has been disposed, + * and <code>false</code> otherwise. + * <p> + * This method gets the dispose state for the widget. + * When a widget has been disposed, it is an error to + * invoke any other method using the widget. + * </p> + * + * @return <code>true</code> when the widget is disposed and <code>false</code> otherwise + */ +public boolean isDisposed () { + return (state & DISPOSED) != 0; +} + +/** + * Returns <code>true</code> if there are any listeners + * for the specified event type associated with the receiver, + * and <code>false</code> otherwise. The event type is one of + * the event constants defined in class <code>SWT</code>. + * + * @param eventType the type of event + * @return true if the event is hooked + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT + */ +public boolean isListening (int eventType) { + checkWidget(); + return hooks (eventType); +} + +/* + * Returns <code>true</code> when subclassing is + * allowed and <code>false</code> otherwise + * + * @return <code>true</code> when subclassing is allowed and <code>false</code> otherwise + */ +boolean isValidSubclass () { + return Display.isValidClass (getClass ()); +} + +/* + * Returns <code>true</code> when the current thread is + * the thread that created the widget and <code>false</code> + * otherwise. + * + * @return <code>true</code> when the current thread is the thread that created the widget and <code>false</code> otherwise + */ +boolean isValidThread () { + return getDisplay ().isValidThread (); +} + +void mapEvent (int hwnd, Event event) { +} + +boolean mnemonicMatch (int accessText, char key) { + if (accessText == 0) return false; + char mnemonic = OS.AccessText_AccessKey (accessText); + return Character.toLowerCase (key) == Character.toLowerCase (mnemonic); +} + +/** + * Notifies all of the receiver's listeners for events + * of the given type that one such event has occurred by + * invoking their <code>handleEvent()</code> method. The + * event type is one of the event constants defined in class + * <code>SWT</code>. + * + * @param eventType the type of event which has occurred + * @param event the event data + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see SWT + * @see #addListener + * @see #removeListener + */ +public void notifyListeners (int eventType, Event event) { + checkWidget(); + if (event == null) event = new Event (); + sendEvent (eventType, event); +} + +void postEvent (int eventType) { + sendEvent (eventType, null, false); +} + +void postEvent (int eventType, Event event) { + sendEvent (eventType, event, false); +} + +void register () { +} + +/* + * Releases the widget hiearchy and optionally destroys + * the receiver. + * <p> + * Typically, a widget with children will broadcast this + * message to all children so that they too can release their + * resources. The <code>releaseHandle</code> method is used + * as part of this broadcast to zero the handle fields of the + * children without calling <code>destroyWidget</code>. In + * this scenario, the children are actually destroyed later, + * when the operating system destroys the widget tree. + * </p> + * + * @param destroy indicates that the receiver should be destroyed + * + * @see #dispose + * @see #releaseHandle + * @see #releaseParent + * @see #releaseWidget +*/ +void release (boolean destroy) { + if ((state & DISPOSE_SENT) == 0) { + state |= DISPOSE_SENT; + sendEvent (SWT.Dispose); + } + if ((state & DISPOSED) == 0) { + releaseChildren (destroy); + } + if ((state & RELEASED) == 0) { + state |= RELEASED; + if (destroy) { + releaseParent (); + releaseWidget (); + destroyWidget (); + } else { + releaseWidget (); + releaseHandle (); + } + } +} + +void releaseChildren (boolean destroy) { +} + +/* + * Releases the widget's handle by zero'ing it out. + * Does not destroy or release any operating system + * resources. + * <p> + * This method is called after <code>releaseWidget</code> + * or from <code>destroyWidget</code> when a widget is being + * destroyed to ensure that the widget is marked as destroyed + * in case the act of destroying the widget in the operating + * system causes application code to run in callback that + * could access the widget. + * </p> + * + * @see #dispose + * @see #releaseChildren + * @see #releaseParent + * @see #releaseWidget + */ +void releaseHandle () { + state |= DISPOSED; + display = null; + if (jniRef != 0) OS.DeleteGlobalRef (jniRef); + jniRef = 0; +} + +/* + * Releases the receiver, a child in a widget hierarchy, + * from its parent. + * <p> + * When a widget is destroyed, it may be necessary to remove + * it from an internal data structure of the parent. When + * a widget has no handle, it may also be necessary for the + * parent to hide the widget or otherwise indicate that the + * widget has been disposed. For example, disposing a menu + * bar requires that the menu bar first be released from the + * shell when the menu bar is active. + * </p> + * + * @see #dispose + * @see #releaseChildren + * @see #releaseWidget + * @see #releaseHandle + */ +void releaseParent () { +} + +/* + * Releases any internal resources back to the operating + * system and clears all fields except the widget handle. + * <p> + * When a widget is destroyed, resources that were acquired + * on behalf of the programmer need to be returned to the + * operating system. For example, if the widget made a + * copy of an icon, supplied by the programmer, this copy + * would be freed in <code>releaseWidget</code>. Also, + * to assist the garbage collector and minimize the amount + * of memory that is not reclaimed when the programmer keeps + * a reference to a disposed widget, all fields except the + * handle are zero'd. The handle is needed by <code>destroyWidget</code>. + * </p> + * + * @see #dispose + * @see #releaseChildren + * @see #releaseHandle + * @see #releaseParent + */ +void releaseWidget () { + eventTable = null; + data = null; +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when an event of the given type occurs. The event + * type is one of the event constants defined in class <code>SWT</code>. + * + * @param eventType the type of event to listen for + * @param listener the listener which should no longer be notified when the event occurs + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Listener + * @see SWT + * @see #addListener + * @see #notifyListeners + */ +public void removeListener (int eventType, Listener listener) { + checkWidget(); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (eventType, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when an event of the given type occurs. + * <p> + * <b>IMPORTANT:</b> This method is <em>not</em> part of the SWT + * public API. It is marked public only so that it can be shared + * within the packages provided by SWT. It should never be + * referenced from application code. + * </p> + * + * @param eventType the type of event to listen for + * @param listener the listener which should no longer be notified when the event occurs + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see Listener + * @see #addListener + */ +protected void removeListener (int eventType, SWTEventListener listener) { + checkWidget(); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (eventType, listener); +} + +/** + * Removes the listener from the collection of listeners who will + * be notified when the widget is disposed. + * + * @param listener the listener which should no longer be notified when the receiver is disposed + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see DisposeListener + * @see #addDisposeListener + */ +public void removeDisposeListener (DisposeListener listener) { + checkWidget(); + if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); + if (eventTable == null) return; + eventTable.unhook (SWT.Dispose, listener); +} + +boolean sendDragEvent (int x, int y) { + Event event = new Event (); + event.x = x; + event.y = y; + postEvent (SWT.DragDetect, event); + if (isDisposed ()) return false; + return event.doit; +} + +void sendEvent (Event event) { + Display display = event.display; + if (!display.filterEvent (event)) { + if (eventTable != null) eventTable.sendEvent (event); + } +} + +void sendEvent (int eventType) { + sendEvent (eventType, null, true); +} + +void sendEvent (int eventType, Event event) { + sendEvent (eventType, event, true); +} + +void sendEvent (int eventType, Event event, boolean send) { + if (eventTable == null && !display.filters (eventType)) { + return; + } + if (event == null) event = new Event (); + event.type = eventType; + event.display = display; + event.widget = this; + if (event.time == 0) { + event.time = display.getLastEventTime (); + } + if (send) { + sendEvent (event); + } else { + display.postEvent (event); + } +} + +boolean sendKeyEvent (int type, int e, boolean textInput) { + if (textInput) { + int text = OS.TextCompositionEventArgs_Text(e); + if (OS.String_Length(text) == 0) { + OS.GCHandle_Free(text); + text = OS.TextCompositionEventArgs_SystemText(e); + if (OS.String_Length(text) == 0) { + OS.GCHandle_Free(text); + text = OS.TextCompositionEventArgs_ControlText(e); + if (OS.String_Length(text) == 0) { + return false; + } + } + } + int chars = OS.String_ToCharArray(text); + char[] buffer = new char[OS.String_Length(text)]; + OS.memmove(buffer, chars, buffer.length * 2); + OS.GCHandle_Free(chars); + OS.GCHandle_Free(text); + for (int i = 0; i < buffer.length; i++) { + Event event = new Event (); + if (buffer.length == 1) { + event.keyCode = Display.translateKey(display.lastKey); + } + event.character = buffer[i]; + //hack for dead key + if (display.deadChar) { + event.character = display.lastChar; + display.deadChar = false; + } + setInputState(event, type, 0, 0); + sendEvent (type, event); + if (isDisposed ()) return false; + } + return true; + } else { + Event event = new Event (); + if (!setKeyState (event, type, e)) return true; + sendEvent (type, event); + if (isDisposed ()) return false; + return event.doit; + } +} + +boolean sendMouseEvent (int type, int e, boolean send) { + if (!hooks (type) && !filters (type)) return true; + Event event = new Event (); + if (type == SWT.MouseDown || type == SWT.MouseUp) { + event.button = OS.MouseButtonEventArgs_ChangedButton (e) + 1; + event.count = OS.MouseButtonEventArgs_ClickCount (e); + } + if (type == SWT.MouseWheel) { + int lines = OS.SystemParameters_WheelScrollLines (); + int delta = OS.MouseWheelEventArgs_Delta (e); + if (lines == -1) { + event.detail = SWT.SCROLL_PAGE; + event.count = delta / 120; + } else { + event.detail = SWT.SCROLL_LINE; + event.count = delta * lines / 120; + } + } + int topHandle = topHandle (); + int point = OS.MouseEventArgs_GetPosition (e, topHandle); + event.x = (int) OS.Point_X (point); + event.y = (int) OS.Point_Y (point); + OS.GCHandle_Free (point); + setInputState (event, type, e, 0); + Event doubleClick = null; + if (type == SWT.MouseDown && (event.count & 1) == 0) { + doubleClick = new Event(); + doubleClick.button = event.button; + doubleClick.x = event.x; + doubleClick.y = event.y; + doubleClick.count = event.count; + doubleClick.stateMask = event.stateMask; + } + if (send) { + sendEvent (type, event); + if (isDisposed ()) return false; + } else { + postEvent (type, event); + } + if (doubleClick != null) { + if (send) { + sendEvent (SWT.MouseDoubleClick, doubleClick); + if (isDisposed ()) return false; + } else { + postEvent (SWT.MouseDoubleClick, doubleClick); + } + } + return event.doit; +} + +/** + * Sets the application defined widget data associated + * with the receiver to be the argument. The <em>widget + * data</em> is a single, unnamed field that is stored + * with every widget. + * <p> + * Applications may put arbitrary objects in this field. If + * the object stored in the widget data needs to be notified + * when the widget is disposed of, it is the application's + * responsibility to hook the Dispose event on the widget and + * do so. + * </p> + * + * @param data the widget data + * + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - when the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - when called from the wrong thread</li> + * </ul> + * + * @see #getData() + */ +public void setData (Object data) { + checkWidget(); + if ((state & KEYED_DATA) != 0) { + ((Object []) this.data) [0] = data; + } else { + this.data = data; + } +} + +/** + * Sets the application defined property of the receiver + * with the specified name to the given value. + * <p> + * Applications may associate arbitrary objects with the + * receiver in this fashion. If the objects stored in the + * properties need to be notified when the widget is disposed + * of, it is the application's responsibility to hook the + * Dispose event on the widget and do so. + * </p> + * + * @param key the name of the property + * @param value the new value for the property + * + * @exception IllegalArgumentException <ul> + * <li>ERROR_NULL_ARGUMENT - if the key is null</li> + * </ul> + * @exception SWTException <ul> + * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> + * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> + * </ul> + * + * @see #getData(String) + */ +public void setData (String key, Object value) { + checkWidget(); + if (key == null) error (SWT.ERROR_NULL_ARGUMENT); + int index = 1; + Object [] table = null; + if ((state & KEYED_DATA) != 0) { + table = (Object []) data; + while (index < table.length) { + if (key.equals (table [index])) break; + index += 2; + } + } + if (value != null) { + if ((state & KEYED_DATA) != 0) { + if (index == table.length) { + Object [] newTable = new Object [table.length + 2]; + System.arraycopy (table, 0, newTable, 0, table.length); + data = table = newTable; + } + } else { + table = new Object [3]; + table [0] = data; + data = table; + state |= KEYED_DATA; + } + table [index] = key; + table [index + 1] = value; + } else { + if ((state & KEYED_DATA) != 0) { + if (index != table.length) { + int length = table.length - 2; + if (length == 1) { + data = table [0]; + state &= ~KEYED_DATA; + } else { + Object [] newTable = new Object [length]; + System.arraycopy (table, 0, newTable, 0, index); + System.arraycopy (table, index + 2, newTable, index, length - index); + data = newTable; + } + } + } + } +} + +boolean sendFocusEvent (int type) { + sendEvent (type); + // widget could be disposed at this point + return true; +} + +boolean setInputState (Event event, int type, int mouseEvent, int keyEvent) { + int modifiers; + if (keyEvent != 0) { + int keyboardDevice = OS.KeyboardEventArgs_KeyboardDevice(keyEvent); + modifiers = OS.KeyboardDevice_Modifiers(keyboardDevice); + OS.GCHandle_Free(keyboardDevice); + } else { + modifiers = OS.Keyboard_Modifiers(); + } + if ((modifiers & OS.ModifierKeys_Alt) != 0) event.stateMask |= SWT.ALT; + if ((modifiers & OS.ModifierKeys_Shift) != 0) event.stateMask |= SWT.SHIFT; + if ((modifiers & OS.ModifierKeys_Control) != 0) event.stateMask |= SWT.CONTROL; + if (mouseEvent != 0) { + if (OS.MouseEventArgs_LeftButton(mouseEvent) == OS.MouseButtonState_Pressed) event.stateMask |= SWT.BUTTON1; + if (OS.MouseEventArgs_MiddleButton(mouseEvent) == OS.MouseButtonState_Pressed) event.stateMask |= SWT.BUTTON2; + if (OS.MouseEventArgs_RightButton(mouseEvent) == OS.MouseButtonState_Pressed) event.stateMask |= SWT.BUTTON3; + if (OS.MouseEventArgs_XButton1(mouseEvent) == OS.MouseButtonState_Pressed) event.stateMask |= SWT.BUTTON4; + if (OS.MouseEventArgs_XButton2(mouseEvent) == OS.MouseButtonState_Pressed) event.stateMask |= SWT.BUTTON5; + } else { + if (OS.Mouse_LeftButton() == OS.MouseButtonState_Pressed) event.stateMask |= SWT.BUTTON1; + if (OS.Mouse_MiddleButton() == OS.MouseButtonState_Pressed) event.stateMask |= SWT.BUTTON2; + if (OS.Mouse_RightButton() == OS.MouseButtonState_Pressed) event.stateMask |= SWT.BUTTON3; + if (OS.Mouse_XButton1() == OS.MouseButtonState_Pressed) event.stateMask |= SWT.BUTTON4; + if (OS.Mouse_XButton2() == OS.MouseButtonState_Pressed) event.stateMask |= SWT.BUTTON5; + } + switch (type) { + case SWT.MouseDown: + case SWT.MouseDoubleClick: + if (event.button == 1) event.stateMask &= ~SWT.BUTTON1; + if (event.button == 2) event.stateMask &= ~SWT.BUTTON2; + if (event.button == 3) event.stateMask &= ~SWT.BUTTON3; + if (event.button == 4) event.stateMask &= ~SWT.BUTTON4; + if (event.button == 5) event.stateMask &= ~SWT.BUTTON5; + break; + case SWT.MouseUp: + if (event.button == 1) event.stateMask |= SWT.BUTTON1; + if (event.button == 2) event.stateMask |= SWT.BUTTON2; + if (event.button == 3) event.stateMask |= SWT.BUTTON3; + if (event.button == 4) event.stateMask |= SWT.BUTTON4; + if (event.button == 5) event.stateMask |= SWT.BUTTON5; + break; + case SWT.KeyDown: + case SWT.Traverse: + if (event.keyCode == SWT.ALT) event.stateMask &= ~SWT.ALT; + if (event.keyCode == SWT.SHIFT) event.stateMask &= ~SWT.SHIFT; + if (event.keyCode == SWT.CONTROL) event.stateMask &= ~SWT.CONTROL; + break; + case SWT.KeyUp: + if (event.keyCode == SWT.ALT) event.stateMask |= SWT.ALT; + if (event.keyCode == SWT.SHIFT) event.stateMask |= SWT.SHIFT; + if (event.keyCode == SWT.CONTROL) event.stateMask |= SWT.CONTROL; + break; + } + return true; +} + +boolean setKeyState (Event event, int type, int e) { + int key = display.lastKey = OS.KeyEventArgs_Key(e); + boolean repeat = OS.KeyEventArgs_IsRepeat(e); + switch (key) { + case OS.Key_ImeProcessed: + return false; + case OS.Key_LeftAlt: + case OS.Key_RightAlt: + case OS.Key_LeftCtrl: + case OS.Key_LeftShift: + case OS.Key_RightCtrl: + case OS.Key_RightShift: + if (repeat) return false; + break; + case OS.Key_System: + key = OS.KeyEventArgs_SystemKey(e); + switch (key) { + case OS.Key_LeftAlt: + case OS.Key_RightAlt: + if (repeat) return false; + } + } + boolean textual = false; + int vKey = OS.KeyInterop_VirtualKeyFromKey (key); + int mapKey = OS.MapVirtualKeyW (vKey, 2); + if ((mapKey & 0x80000000) != 0) { + display.deadChar = true; + return false; + } + char [] result = new char [1]; + byte [] keyboard = new byte [256]; + OS.GetKeyboardState (keyboard); + textual = OS.ToUnicode (vKey, 0, keyboard, result, 1, 0) == 1; + if (textual && type == SWT.KeyDown) { + if (display.deadChar) display.lastChar = result [0]; + //TODO problem: in german, dead key + non-combing key + // example: '^' + 'p' fails. + return false; + } + event.keyCode = Display.translateKey (key); + if (type == SWT.KeyUp) event.character = result [0]; + return setInputState (event, type, 0, e); +} + +boolean showMenu (int x, int y) { + Event event = new Event (); + event.x = x; + event.y = y; + sendEvent (SWT.MenuDetect, event); + if (!event.doit) return true; + Menu menu = getMenu (); + if (menu != null && !menu.isDisposed ()) { + if (x != event.x || y != event.y) { + menu.setLocation (event.x, event.y); + } + menu.setVisible (true); + return true; + } + return false; +} + +int topHandle () { + return handle; +} + +/** + * Returns a string containing a concise, human-readable + * description of the receiver. + * + * @return a string representation of the receiver + */ +public String toString () { + String string = "*Disposed*"; //$NON-NLS-1$ + if (!isDisposed ()) { + string = "*Wrong Thread*"; //$NON-NLS-1$ + if (isValidThread ()) string = getNameText (); + } + return getName () + " {" + string + "}"; //$NON-NLS-1$ //$NON-NLS-2$ +} + +} |