diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ToolItem.java')
-rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ToolItem.java | 849 |
1 files changed, 0 insertions, 849 deletions
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 deleted file mode 100644 index 5dda1d3821..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/wpf/org/eclipse/swt/widgets/ToolItem.java +++ /dev/null @@ -1,849 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2009 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> - * - * @see <a href="http://www.eclipse.org/swt/snippets/#toolbar">ToolBar, ToolItem snippets</a> - * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> - * @noextend This class is not intended to be subclassed by clients. - */ -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 the user, 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 when the control is selected by the user, - * - * @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); - int margin = OS.gcnew_Thickness (0, 0, 0, 0); - OS.Control_Padding (handle, margin); - OS.GCHandle_Free (margin); -} - -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, OS.FrameworkElement_ActualHeight (topHandle ())); - int arrowPos = OS.UIElement_TranslatePoint (arrowHandle, zero, handle); - if (OS.Point_X (mousePos) > OS.Point_X (arrowPos)) { - event.detail = SWT.ARROW; - 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; -} - -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 by the user. - * - * @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; - if (control == null) { - int property = OS.Control_BackgroundProperty (); - OS.DependencyObject_ClearValue (handle, property); - OS.GCHandle_Free (property); - Control oldControl = this.control; - if (oldControl != null && !oldControl.isDisposed ()) OS.Panel_SetZIndex (oldControl.handle, 0); - } else { - int brush = OS.Brushes_Transparent (); - OS.Control_Background (handle, brush); - OS.GCHandle_Free (brush); - int pt = OS.gcnew_Point (0, 0); - if (pt == 0) error (SWT.ERROR_NO_HANDLES); - int loc = OS.UIElement_TranslatePoint (handle, pt, parent.parentingHandle); - OS.GCHandle_Free (pt); - OS.Canvas_SetLeft (control.handle, OS.Point_X (loc)); - OS.Canvas_SetTop (control.handle, OS.Point_Y (loc)); - OS.Panel_SetZIndex (control.handle, parent.childCount); - OS.GCHandle_Free (loc); - } - 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 ()); - if (arrowHandle != 0) { - OS.UIElement_Opacity (arrowHandle, enabled ? 1 : 0.4); - } -} - -/** - * Sets the receiver's disabled image to the argument, which may be - * null indicating that no disabled image should be displayed. - * <p> - * The disabled 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 the default tool tip for the - * control will be shown. For a control that has a default - * tool tip, such as the Tree control on Windows, setting - * the tool tip text to an empty string replaces the default, - * causing no tool tip text to be shown. - * <p> - * The mnemonic indicator (character '&') is not displayed in a tool tip. - * To display a single '&' in the tool tip, the character '&' can be - * escaped by doubling it in the string. - * </p> - * - * @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; - if (string != null && string.length() == 0) string = null; - int strPtr = createDotNetString (string, false); - OS.FrameworkElement_ToolTip (handle, strPtr); - if (strPtr != 0) OS.GCHandle_Free (strPtr); -} - -/** - * 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); -} -} |