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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/ToolItem.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/ToolItem.java | 1006 |
1 files changed, 0 insertions, 1006 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/ToolItem.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/ToolItem.java deleted file mode 100755 index 27386a4545..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/ToolItem.java +++ /dev/null @@ -1,1006 +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.*; -import org.eclipse.swt.internal.win32.*; -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 { - ToolBar parent; - Control control; - String toolTipText; - Image disabledImage, hotImage; - Image disabledImage2; - int id; - -/** - * 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); -} - -void click (boolean dropDown) { - int /*long*/ hwnd = parent.handle; - if (OS.GetKeyState (OS.VK_LBUTTON) < 0) return; - int index = (int)/*64*/OS.SendMessage (hwnd, OS.TB_COMMANDTOINDEX, id, 0); - RECT rect = new RECT (); - OS.SendMessage (hwnd, OS.TB_GETITEMRECT, index, rect); - int hotIndex = (int)/*64*/OS.SendMessage (hwnd, OS.TB_GETHOTITEM, 0, 0); - - /* - * In order to emulate all the processing that - * happens when a mnemonic key is pressed, fake - * a mouse press and release. This will ensure - * that radio and pull down items are handled - * properly. - */ - int y = rect.top + (rect.bottom - rect.top) / 2; - int /*long*/ lParam = OS.MAKELPARAM (dropDown ? rect.right - 1 : rect.left, y); - parent.ignoreMouse = true; - OS.SendMessage (hwnd, OS.WM_LBUTTONDOWN, 0, lParam); - OS.SendMessage (hwnd, OS.WM_LBUTTONUP, 0, lParam); - parent.ignoreMouse = false; - - if (hotIndex != -1) { - OS.SendMessage (hwnd, OS.TB_SETHOTITEM, hotIndex, 0); - } -} - -Widget [] computeTabList () { - if (isTabGroup ()) { - if (getEnabled ()) { - if ((style & SWT.SEPARATOR) != 0) { - if (control != null) return control.computeTabList(); - } else { - return new Widget [] {this}; - } - } - } - return new Widget [0]; -} - -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 /*long*/ hwnd = parent.handle; - int index = (int)/*64*/OS.SendMessage (hwnd, OS.TB_COMMANDTOINDEX, id, 0); - RECT rect = new RECT (); - OS.SendMessage (hwnd, OS.TB_GETITEMRECT, index, rect); - int width = rect.right - rect.left; - int height = rect.bottom - rect.top; - return new Rectangle (rect.left, rect.top, 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(); - if ((style & SWT.SEPARATOR) != 0) { - return (state & DISABLED) == 0; - } - int /*long*/ hwnd = parent.handle; - int /*long*/ fsState = OS.SendMessage (hwnd, OS.TB_GETSTATE, id, 0); - return (fsState & OS.TBSTATE_ENABLED) != 0; -} - -/** - * 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; - int /*long*/ hwnd = parent.handle; - int /*long*/ fsState = OS.SendMessage (hwnd, OS.TB_GETSTATE, id, 0); - return (fsState & OS.TBSTATE_CHECKED) != 0; -} - -/** - * 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; -} - -/** - * 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(); - int /*long*/ hwnd = parent.handle; - int index = (int)/*64*/OS.SendMessage (hwnd, OS.TB_COMMANDTOINDEX, id, 0); - RECT rect = new RECT (); - OS.SendMessage (hwnd, OS.TB_GETITEMRECT, index, rect); - return rect.right - rect.left; -} - -/** - * 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 (); -} - -boolean isTabGroup () { - ToolItem [] tabList = parent._getTabItemList (); - if (tabList != null) { - for (int i=0; i<tabList.length; i++) { - if (tabList [i] == this) return true; - } - } - if ((style & SWT.SEPARATOR) != 0) return true; - int index = parent.indexOf (this); - if (index == 0) return true; - ToolItem previous = parent.getItem (index - 1); - return (previous.getStyle () & SWT.SEPARATOR) != 0; -} - -void releaseWidget () { - super.releaseWidget (); - releaseImages (); - control = null; - toolTipText = null; - disabledImage = hotImage = null; - if (disabledImage2 != null) disabledImage2.dispose (); - disabledImage2 = null; -} - -void releaseHandle () { - super.releaseHandle (); - parent = null; - id = -1; -} - -void releaseImages () { - TBBUTTONINFO info = new TBBUTTONINFO (); - info.cbSize = TBBUTTONINFO.sizeof; - info.dwMask = OS.TBIF_IMAGE | OS.TBIF_STYLE; - int /*long*/ hwnd = parent.handle; - OS.SendMessage (hwnd, OS.TB_GETBUTTONINFO, id, info); - /* - * Feature in Windows. For some reason, a tool item that has - * the style BTNS_SEP does not return I_IMAGENONE when queried - * for an image index, despite the fact that no attempt has been - * made to assign an image to the item. As a result, operations - * on an image list that use the wrong index cause random results. - * The fix is to ensure that the tool item is not a separator - * before using the image index. Since separators cannot have - * an image and one is never assigned, this is not a problem. - */ - if ((info.fsStyle & OS.BTNS_SEP) == 0 && info.iImage != OS.I_IMAGENONE) { - ImageList imageList = parent.getImageList (); - ImageList hotImageList = parent.getHotImageList (); - ImageList disabledImageList = parent.getDisabledImageList(); - if (imageList != null) imageList.put (info.iImage, null); - if (hotImageList != null) hotImageList.put (info.iImage, null); - if (disabledImageList != null) disabledImageList.put (info.iImage, 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); -} - -void resizeControl () { - if (control != null && !control.isDisposed ()) { - /* - * Set the size and location of the control - * separately to minimize flashing in the - * case where the control does not resize - * to the size that was requested. This - * case can occur when the control is a - * combo box. - */ - Rectangle itemRect = getBounds (); - control.setSize (itemRect.width, itemRect.height); - Rectangle rect = control.getBounds (); - rect.x = itemRect.x + (itemRect.width - rect.width) / 2; - rect.y = itemRect.y + (itemRect.height - rect.height) / 2; - control.setLocation (rect.x, rect.y); - } -} - -void selectRadio () { - int index = 0; - ToolItem [] items = parent.getItems (); - while (index < items.length && items [index] != this) index++; - int i = index - 1; - while (i >= 0 && items [i].setRadioSelection (false)) --i; - int j = index + 1; - while (j < items.length && items [j].setRadioSelection (false)) j++; - setSelection (true); -} - -/** - * 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; - this.control = control; - /* - * Feature in Windows. When a tool bar wraps, tool items - * with the style BTNS_SEP are used as wrap points. This - * means that controls that are placed on top of separator - * items are not positioned properly. Also, vertical tool - * bars are implemented using TB_SETROWS to set the number - * of rows. When a control is placed on top of a separator, - * the height of the separator does not grow. The fix in - * both cases is to change the tool item style from BTNS_SEP - * to BTNS_BUTTON, causing the item to wrap like a tool item - * button. The new tool item button is disabled to avoid key - * traversal and the image is set to I_IMAGENONE to avoid - * getting the first image from the image list. - */ - if ((parent.style & (SWT.WRAP | SWT.VERTICAL)) != 0) { - boolean changed = false; - int /*long*/ hwnd = parent.handle; - TBBUTTONINFO info = new TBBUTTONINFO (); - info.cbSize = TBBUTTONINFO.sizeof; - info.dwMask = OS.TBIF_STYLE | OS.TBIF_STATE; - OS.SendMessage (hwnd, OS.TB_GETBUTTONINFO, id, info); - if (control == null) { - if ((info.fsStyle & OS.BTNS_SEP) == 0) { - changed = true; - info.fsStyle &= ~(OS.BTNS_BUTTON | OS.BTNS_SHOWTEXT); - info.fsStyle |= OS.BTNS_SEP; - if ((state & DISABLED) != 0) { - info.fsState &= ~OS.TBSTATE_ENABLED; - } else { - info.fsState |= OS.TBSTATE_ENABLED; - } - } - } else { - if ((info.fsStyle & OS.BTNS_SEP) != 0) { - changed = true; - info.fsStyle &= ~OS.BTNS_SEP; - info.fsStyle |= OS.BTNS_BUTTON | OS.BTNS_SHOWTEXT; - info.fsState &= ~OS.TBSTATE_ENABLED; - info.dwMask |= OS.TBIF_IMAGE; - info.iImage = OS.I_IMAGENONE; - } - } - if (changed) { - OS.SendMessage (hwnd, OS.TB_SETBUTTONINFO, id, info); - /* - * Bug in Windows. When TB_SETBUTTONINFO changes the - * style of a tool item from BTNS_SEP to BTNS_BUTTON - * and the tool bar is wrapped, the tool bar does not - * redraw properly. Windows uses separator items as - * wrap points and sometimes draws etching above or - * below and entire row. The fix is to redraw the - * tool bar. - */ - if (OS.SendMessage (hwnd, OS.TB_GETROWS, 0, 0) > 1) { - OS.InvalidateRect (hwnd, null, true); - } - } - } - resizeControl (); -} - -/** - * 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(); - int /*long*/ hwnd = parent.handle; - int fsState = (int)/*64*/OS.SendMessage (hwnd, OS.TB_GETSTATE, id, 0); - /* - * Feature in Windows. When TB_SETSTATE is used to set the - * state of a tool item, the item redraws even when the state - * has not changed. The fix is to detect this case and avoid - * setting the state. - */ - if (((fsState & OS.TBSTATE_ENABLED) != 0) == enabled) return; - if (enabled) { - fsState |= OS.TBSTATE_ENABLED; - state &= ~DISABLED; - } else { - fsState &= ~OS.TBSTATE_ENABLED; - state |= DISABLED; - } - OS.SendMessage (hwnd, OS.TB_SETSTATE, id, fsState); - if ((style & SWT.SEPARATOR) == 0) { - if (image != null) 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 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 ()); -} - -boolean setRadioSelection (boolean value) { - if ((style & SWT.RADIO) == 0) return false; - if (getSelection () != value) { - setSelection (value); - postEvent (SWT.Selection); - } - return true; -} - -/** - * 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; - int /*long*/ hwnd = parent.handle; - int fsState = (int)/*64*/OS.SendMessage (hwnd, OS.TB_GETSTATE, id, 0); - /* - * Feature in Windows. When TB_SETSTATE is used to set the - * state of a tool item, the item redraws even when the state - * has not changed. The fix is to detect this case and avoid - * setting the state. - */ - if (((fsState & OS.TBSTATE_CHECKED) != 0) == selected) return; - if (selected) { - fsState |= OS.TBSTATE_CHECKED; - } else { - fsState &= ~OS.TBSTATE_CHECKED; - } - OS.SendMessage (hwnd, OS.TB_SETSTATE, id, fsState); - - /* - * Bug in Windows. When a tool item with the style - * BTNS_CHECK or BTNS_CHECKGROUP is selected and then - * disabled, the item does not draw using the disabled - * image. The fix is to use the disabled image in all - * image lists for the item. - * - * NOTE: This means that the image list must be updated - * when the selection changes in a disabled tool item. - */ - if ((style & (SWT.CHECK | SWT.RADIO)) != 0) { - if (!getEnabled () || !parent.getEnabled ()) { - updateImages (false); - } - } -} - -boolean setTabItemFocus () { - if (parent.setTabItemFocus ()) { - int /*long*/ hwnd = parent.handle; - int index = (int)/*64*/OS.SendMessage (hwnd, OS.TB_COMMANDTOINDEX, id, 0); - OS.SendMessage (hwnd, OS.TB_SETHOTITEM, index, 0); - return true; - } - return 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 /*long*/ hwnd = parent.handle; - TBBUTTONINFO info = new TBBUTTONINFO (); - info.cbSize = TBBUTTONINFO.sizeof; - info.dwMask = OS.TBIF_TEXT | OS.TBIF_STYLE; - info.fsStyle = (byte) (widgetStyle () | OS.BTNS_AUTOSIZE); - int /*long*/ hHeap = OS.GetProcessHeap (), pszText = 0; - if (string.length () != 0) { - info.fsStyle |= OS.BTNS_SHOWTEXT; - TCHAR buffer = new TCHAR (parent.getCodePage (), string, true); - int byteCount = buffer.length () * TCHAR.sizeof; - pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount); - OS.MoveMemory (pszText, buffer, byteCount); - info.pszText = pszText; - } - OS.SendMessage (hwnd, OS.TB_SETBUTTONINFO, id, info); - if (pszText != 0) OS.HeapFree (hHeap, 0, pszText); - - /* - * Bug in Windows. For some reason, when the font is set - * before any tool item has text, the tool items resize to - * a very small size. Also, a tool item will only show text - * when text has already been set on one item and then a new - * item is created. The fix is to use WM_SETFONT to force - * the tool bar to redraw and layout. - */ - parent.setDropDownItems (false); - int /*long*/ hFont = OS.SendMessage (hwnd, OS.WM_GETFONT, 0, 0); - OS.SendMessage (hwnd, OS.WM_SETFONT, hFont, 0); - parent.setDropDownItems (true); - parent.layoutItems (); -} - -/** - * 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; -} - -/** - * 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(); - if ((style & SWT.SEPARATOR) == 0) return; - if (width < 0) return; - int /*long*/ hwnd = parent.handle; - TBBUTTONINFO info = new TBBUTTONINFO (); - info.cbSize = TBBUTTONINFO.sizeof; - info.dwMask = OS.TBIF_SIZE; - info.cx = (short) width; - OS.SendMessage (hwnd, OS.TB_SETBUTTONINFO, id, info); - parent.layoutItems (); -} - -void updateImages (boolean enabled) { - if ((style & SWT.SEPARATOR) != 0) return; - int /*long*/ hwnd = parent.handle; - TBBUTTONINFO info = new TBBUTTONINFO (); - info.cbSize = TBBUTTONINFO.sizeof; - info.dwMask = OS.TBIF_IMAGE; - OS.SendMessage (hwnd, OS.TB_GETBUTTONINFO, id, info); - if (info.iImage == OS.I_IMAGENONE && image == null) return; - ImageList imageList = parent.getImageList (); - ImageList hotImageList = parent.getHotImageList (); - ImageList disabledImageList = parent.getDisabledImageList(); - if (info.iImage == OS.I_IMAGENONE) { - Rectangle bounds = image.getBounds (); - int listStyle = parent.style & SWT.RIGHT_TO_LEFT; - if (imageList == null) { - imageList = display.getImageListToolBar (listStyle, bounds.width, bounds.height); - } - if (disabledImageList == null) { - disabledImageList = display.getImageListToolBarDisabled (listStyle, bounds.width, bounds.height); - } - if (hotImageList == null) { - hotImageList = display.getImageListToolBarHot (listStyle, bounds.width, bounds.height); - } - Image disabled = disabledImage; - if (disabledImage == null) { - if (disabledImage2 != null) disabledImage2.dispose (); - disabledImage2 = null; - disabled = image; - if (!enabled) { - disabled = disabledImage2 = new Image (display, image, SWT.IMAGE_DISABLE); - } - } - /* - * Bug in Windows. When a tool item with the style - * BTNS_CHECK or BTNS_CHECKGROUP is selected and then - * disabled, the item does not draw using the disabled - * image. The fix is to assign the disabled image in - * all image lists. - */ - Image image2 = image, hot = hotImage; - if ((style & (SWT.CHECK | SWT.RADIO)) != 0) { - if (!enabled) image2 = hot = disabled; - } - info.iImage = imageList.add (image2); - disabledImageList.add (disabled); - hotImageList.add (hot != null ? hot : image2); - parent.setImageList (imageList); - parent.setDisabledImageList (disabledImageList); - parent.setHotImageList (hotImageList); - } else { - Image disabled = null; - if (disabledImageList != null) { - if (image != null) { - if (disabledImage2 != null) disabledImage2.dispose (); - disabledImage2 = null; - disabled = disabledImage; - if (disabledImage == null) { - disabled = image; - if (!enabled) { - disabled = disabledImage2 = new Image (display, image, SWT.IMAGE_DISABLE); - } - } - } - disabledImageList.put (info.iImage, disabled); - } - /* - * Bug in Windows. When a tool item with the style - * BTNS_CHECK or BTNS_CHECKGROUP is selected and then - * disabled, the item does not draw using the disabled - * image. The fix is to use the disabled image in all - * image lists. - */ - Image image2 = image, hot = hotImage; - if ((style & (SWT.CHECK | SWT.RADIO)) != 0) { - if (!enabled) image2 = hot = disabled; - } - if (imageList != null) imageList.put (info.iImage, image2); - if (hotImageList != null) { - hotImageList.put (info.iImage, hot != null ? hot : image2); - } - if (image == null) info.iImage = OS.I_IMAGENONE; - } - - /* - * Bug in Windows. If the width of an item has already been - * calculated, the tool bar control will not recalculate it to - * include the space for the image. The fix is to set the width - * to zero, forcing the control recalculate the width for the item. - */ - info.dwMask |= OS.TBIF_SIZE; - info.cx = 0; - OS.SendMessage (hwnd, OS.TB_SETBUTTONINFO, id, info); - - parent.layoutItems (); -} - -int widgetStyle () { - if ((style & SWT.DROP_DOWN) != 0) return OS.BTNS_DROPDOWN; - if ((style & SWT.PUSH) != 0) return OS.BTNS_BUTTON; - if ((style & SWT.CHECK) != 0) return OS.BTNS_CHECK; - /* - * This code is intentionally commented. In order to - * consistently support radio tool items across platforms, - * the platform radio behavior is not used. - */ -// if ((style & SWT.RADIO) != 0) return OS.BTNS_CHECKGROUP; - if ((style & SWT.RADIO) != 0) return OS.BTNS_CHECK; - if ((style & SWT.SEPARATOR) != 0) return OS.BTNS_SEP; - return OS.BTNS_BUTTON; -} - -LRESULT wmCommandChild (int /*long*/ wParam, int /*long*/ lParam) { - if ((style & SWT.RADIO) != 0) { - if ((parent.getStyle () & SWT.NO_RADIO_GROUP) == 0) { - selectRadio (); - } - } - postEvent (SWT.Selection); - return null; -} - -} |