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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Control.java')
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Control.java | 4366 |
1 files changed, 0 insertions, 4366 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Control.java b/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Control.java deleted file mode 100644 index edf366edfd..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Control.java +++ /dev/null @@ -1,4366 +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.carbon.ATSFontMetrics; -import org.eclipse.swt.internal.carbon.CFRange; -import org.eclipse.swt.internal.carbon.HIThemeTextInfo; -import org.eclipse.swt.internal.carbon.OS; -import org.eclipse.swt.internal.carbon.CGRect; -import org.eclipse.swt.internal.carbon.CGPoint; -import org.eclipse.swt.internal.carbon.ControlFontStyleRec; -import org.eclipse.swt.internal.carbon.HMHelpContentRec; -import org.eclipse.swt.internal.carbon.HIThemeFrameDrawInfo; -import org.eclipse.swt.internal.carbon.Rect; - -import org.eclipse.swt.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.accessibility.Accessible; - -/** - * 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>DragDetect, FocusIn, FocusOut, Help, KeyDown, KeyUp, MenuDetect, MouseDoubleClick, MouseDown, MouseEnter, - * MouseExit, MouseHover, MouseUp, MouseMove, Move, Paint, Resize, Traverse</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> - * - * @see <a href="http://www.eclipse.org/swt/snippets/#control">Control snippets</a> - * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</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 abstract class Control extends Widget implements Drawable { - /** - * 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; - Composite parent; - String toolTipText; - Object layoutData; - int drawCount, visibleRgn; - Menu menu; - float [] foreground, background; - Image backgroundImage; - Font font; - Cursor cursor; - Region region; - GCData gcs[]; - Accessible accessible; - - static final String RESET_VISIBLE_REGION = "org.eclipse.swt.internal.resetVisibleRegion"; //$NON-NLS-1$ - - -Control () { - /* Do nothing */ -} - -/** - * 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#LEFT_TO_RIGHT - * @see SWT#RIGHT_TO_LEFT - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public Control (Composite parent, int style) { - super (parent, style); - this.parent = parent; - createWidget (); -} - -int actionProc (int theControl, int partCode) { - int result = super.actionProc (theControl, partCode); - if (result == OS.noErr) return result; - if (isDisposed ()) return OS.noErr; - sendTrackEvents (); - return result; -} - -/** - * 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 a drag gesture occurs, by sending it - * one of the messages defined in the <code>DragDetectListener</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 DragDetectListener - * @see #removeDragDetectListener - * - * @since 3.3 - */ -public void addDragDetectListener (DragDetectListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - TypedListener typedListener = new TypedListener (listener); - addListener (SWT.DragDetect,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. - * <p> - * When a key listener is added to a control, the control - * will take part in widget traversal. By default, all - * traversal keys (such as the tab key and so on) are - * delivered to the control. In order for a control to take - * part in traversal, it should listen for traversal events. - * Otherwise, the user can traverse into a control but not - * out. Note that native controls such as table and tree - * implement key traversal in the operating system. It is - * not necessary to add traversal listeners for these controls, - * unless you want to override the default traversal. - * </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 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 the platform-specific context menu trigger - * has occurred, by sending it one of the messages defined in - * the <code>MenuDetectListener</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 MenuDetectListener - * @see #removeMenuDetectListener - * - * @since 3.3 - */ -public void addMenuDetectListener (MenuDetectListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - TypedListener typedListener = new TypedListener (listener); - addListener (SWT.MenuDetect, 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 mouse wheel is scrolled, by sending - * it one of the messages defined in the - * <code>MouseWheelListener</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 MouseWheelListener - * @see #removeMouseWheelListener - * - * @since 3.3 - */ -public void addMouseWheelListener (MouseWheelListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - TypedListener typedListener = new TypedListener (listener); - addListener (SWT.MouseWheel, typedListener); -} - -void addRelation (Control control) { -} - -/** - * 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); -} - -int colorProc (int inControl, int inMessage, int inDrawDepth, int inDrawInColor) { - switch (inMessage) { - case OS.kControlMsgApplyTextColor: { - if (foreground != null) { - OS.RGBForeColor (toRGBColor (foreground)); - } else { - OS.SetThemeTextColor ((short) OS.kThemeTextColorDialogActive, (short) inDrawDepth, inDrawInColor != 0); - } - return OS.noErr; - } - case OS.kControlMsgSetUpBackground: { - float [] background = this.background != null ? this.background : getParentBackground (); - if (background != null) { - OS.RGBBackColor (toRGBColor (background)); - } else { - OS.SetThemeBackground ((short) OS.kThemeBrushDialogBackgroundActive, (short) inDrawDepth, inDrawInColor != 0); - } - return OS.noErr; - } - } - return OS.eventNotHandledErr; -} - -int callFocusEventHandler (int nextHandler, int theEvent) { - return OS.CallNextEventHandler (nextHandler, theEvent); -} - -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 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(); - int width = DEFAULT_WIDTH; - int height = DEFAULT_HEIGHT; - if (wHint != SWT.DEFAULT) width = wHint; - if (hHint != SWT.DEFAULT) height = hHint; - int border = getBorderWidth (); - width += border * 2; - height += border * 2; - return new Point (width, height); -} - -Control computeTabGroup () { - if (isTabGroup()) return this; - return parent.computeTabGroup (); -} - -Control[] computeTabList() { - if (isTabGroup()) { - if (getVisible() && getEnabled()) { - return new Control[] {this}; - } - } - return new Control[0]; -} - -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 (); -} - -boolean contains (String [] array, String element) { - for (int i = 0; i < array.length; i++) { - if (array [i].equals (element)) { - return true; - } - } - return false; -} - -void createWidget () { - state |= DRAG_DETECT; - checkOrientation (parent); - super.createWidget (); - checkBackground (); - checkBuffered (); - setDefaultFont (); - setZOrder (); - setRelations (); -} - -Color defaultBackground () { - return display.getSystemColor (SWT.COLOR_WIDGET_BACKGROUND); -} - -Font defaultFont () { - byte [] family = new byte [256]; - short [] size = new short [1]; - byte [] style = new byte [1]; - OS.GetThemeFont ((short) defaultThemeFont (), (short) OS.smSystemScript, family, size, style); - short id = OS.FMGetFontFamilyFromName (family); - int [] font = new int [1]; - OS.FMGetFontFromFontFamilyInstance (id, style [0], font, null); - return Font.carbon_new (display, OS.FMGetATSFontRefFromFont (font [0]), style [0], size [0]); -} - -Color defaultForeground () { - return display.getSystemColor (SWT.COLOR_WIDGET_FOREGROUND); -} - -int defaultThemeFont () { - if (display.smallFonts) return OS.kThemeSmallSystemFont; - return OS.kThemeSystemFont; -} - -void deregister () { - super.deregister (); - display.removeWidget (handle); -} - -void destroyWidget () { - Display display = this.display; - int theControl = topHandle (); - releaseHandle (); - if (theControl != 0) { - if (display.delayDispose) { - display.addToDisposeWindow (theControl); - } else { - OS.DisposeControl (theControl); - } - } -} - -/** - * Detects a drag and drop gesture. This method is used - * to detect a drag gesture when called from within a mouse - * down listener. - * - * <p>By default, a drag is detected when the gesture - * occurs anywhere within the client area of a control. - * Some controls, such as tables and trees, override this - * behavior. In addition to the operating system specific - * drag gesture, they require the mouse to be inside an - * item. Custom widget writers can use <code>setDragDetect</code> - * to disable the default detection, listen for mouse down, - * and then call <code>dragDetect()</code> from within the - * listener to conditionally detect a drag. - * </p> - * - * @param event the mouse down event - * - * @return <code>true</code> if the gesture occurred, and <code>false</code> otherwise. - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT when the event 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 DragDetectListener - * @see #addDragDetectListener - * - * @see #getDragDetect - * @see #setDragDetect - * - * @since 3.3 - */ -public boolean dragDetect (Event event) { - checkWidget (); - if (event == null) error (SWT.ERROR_NULL_ARGUMENT); - return dragDetect (event.button, event.count, event.stateMask, event.x, event.y); -} - -/** - * Detects a drag and drop gesture. This method is used - * to detect a drag gesture when called from within a mouse - * down listener. - * - * <p>By default, a drag is detected when the gesture - * occurs anywhere within the client area of a control. - * Some controls, such as tables and trees, override this - * behavior. In addition to the operating system specific - * drag gesture, they require the mouse to be inside an - * item. Custom widget writers can use <code>setDragDetect</code> - * to disable the default detection, listen for mouse down, - * and then call <code>dragDetect()</code> from within the - * listener to conditionally detect a drag. - * </p> - * - * @param event the mouse down event - * - * @return <code>true</code> if the gesture occurred, and <code>false</code> otherwise. - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT when the event 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 DragDetectListener - * @see #addDragDetectListener - * - * @see #getDragDetect - * @see #setDragDetect - * - * @since 3.3 - */ -public boolean dragDetect (MouseEvent event) { - checkWidget (); - if (event == null) error (SWT.ERROR_NULL_ARGUMENT); - return dragDetect (event.button, event.count, event.stateMask, event.x, event.y); -} - -boolean dragDetect (int button, int count, int stateMask, int x, int y) { - if (button != 1 || count != 1) return false; - if (!dragDetect (x, y, false, null)) return false; - return sendDragEvent (button, stateMask, x, y); -} - -boolean dragDetect (int x, int y, boolean filter, boolean [] consume) { - Rect rect = new Rect (); - int window = OS.GetControlOwner (handle); - CGPoint pt = new CGPoint (); - OS.HIViewConvertPoint (pt, handle, 0); - x += (int) pt.x; - y += (int) pt.y; - OS.GetWindowBounds (window, (short) OS.kWindowStructureRgn, rect); - x += rect.left; - y += rect.top; - org.eclipse.swt.internal.carbon.Point pt1 = new org.eclipse.swt.internal.carbon.Point (); - pt1.h = (short) x; - pt1.v = (short) y; - return OS.WaitMouseMoved (pt1); -} - -void drawFocus (int control, int context, boolean hasFocus, boolean hasBorder, boolean drawBackground, Rect inset) { - if (drawBackground) fillBackground (control, context, null); - CGRect rect = new CGRect (); - OS.HIViewGetBounds (control, rect); - rect.x += inset.left; - rect.y += inset.top; - rect.width -= inset.right + inset.left; - rect.height -= inset.bottom + inset.top; - int state; - if (OS.IsControlEnabled (control)) { - state = OS.IsControlActive (control) ? OS.kThemeStateActive : OS.kThemeStateInactive; - } else { - state = OS.IsControlActive (control) ? OS.kThemeStateUnavailable : OS.kThemeStateUnavailableInactive; - } - if (hasBorder) { - HIThemeFrameDrawInfo info = new HIThemeFrameDrawInfo (); - info.state = state; - info.kind = OS.kHIThemeFrameTextFieldSquare; - info.isFocused = hasFocus; - OS.HIThemeDrawFrame (rect, info, context, OS.kHIThemeOrientationNormal); - } else { - OS.HIThemeDrawFocusRect (rect, hasFocus, context, OS.kHIThemeOrientationNormal); - } -} - -boolean drawFocusRing () { - return hasBorder (); -} - -boolean drawGripper (int x, int y, int width, int height, boolean vertical) { - return false; -} - -void drawWidget (int control, int context, int damageRgn, int visibleRgn, int theEvent) { - if (control != handle) return; - if (!hooks (SWT.Paint) && !filters (SWT.Paint)) return; - - /* Retrieve the damage rect */ - Rect rect = new Rect (); - OS.GetRegionBounds (visibleRgn, rect); - - /* Send paint event */ - int [] port = new int [1]; - OS.GetPort (port); - GCData data = new GCData (); - data.port = port [0]; - data.paintEvent = theEvent; - data.visibleRgn = visibleRgn; - GC gc = GC.carbon_new (this, data); - Event event = new Event (); - event.gc = gc; - event.x = rect.left; - event.y = rect.top; - event.width = rect.right - rect.left; - event.height = rect.bottom - rect.top; - sendEvent (SWT.Paint, event); - event.gc = null; - gc.dispose (); -} - -void enableWidget (boolean enabled) { - int topHandle = topHandle (); - if (enabled) { - OS.EnableControl (topHandle); - } else { - OS.DisableControl (topHandle); - } -} - -boolean equals(float[] color1, float[] color2) { - if (color1 == color2) return true; - if (color1 == null) return color2 == null; - if (color2 == null) return color1 == null; - for (int i = 0; i < color1.length; i++) { - if (color1 [i] != color2 [i]) return false; - } - return true; -} - -void fillBackground (int control, int context, Rectangle bounds) { - OS.CGContextSaveGState (context); - CGRect rect = new CGRect (); - if (bounds != null) { - rect.x = bounds.x; - rect.y = bounds.y; - rect.width = bounds.width; - rect.height = bounds.height; - } else { - OS.HIViewGetBounds (control, rect); - } - Control widget = findBackgroundControl (); - if (widget != null && widget.backgroundImage != null) { - CGPoint pt = new CGPoint(); - OS.HIViewConvertPoint (pt, control, widget.handle); - OS.CGContextTranslateCTM (context, -pt.x, -pt.y); - Pattern pattern = new Pattern (display, widget.backgroundImage); - GCData data = new GCData (); - data.device = display; - data.background = widget.getBackgroundColor ().handle; - GC gc = GC.carbon_new (context, data); - gc.setBackgroundPattern (pattern); - gc.fillRectangle ((int) (rect.x + pt.x), (int) (rect.y + pt.y), (int) rect.width, (int) rect.height); - gc.dispose (); - pattern.dispose(); - } else if (widget != null && widget.background != null) { - int colorspace = OS.CGColorSpaceCreateDeviceRGB (); - OS.CGContextSetFillColorSpace (context, colorspace); - OS.CGContextSetFillColor (context, widget.background); - OS.CGColorSpaceRelease (colorspace); - OS.CGContextSetAlpha (context, getThemeAlpha ()); - OS.CGContextFillRect (context, rect); - } else { - if (OS.VERSION >= 0x1040) { - OS.HIThemeSetFill (OS.kThemeBrushDialogBackgroundActive, 0, context, OS.kHIThemeOrientationNormal); - OS.CGContextSetAlpha (context, getThemeAlpha ()); - OS.CGContextFillRect (context, rect); - } else { - Rect rect1 = new Rect (); - rect1.left = (short) rect.x; - rect1.top = (short) rect.y; - rect1.right = (short) (rect.x + rect.width); - rect1.bottom = (short) (rect.y + rect.height); - OS.SetThemeBackground ((short) OS.kThemeBrushDialogBackgroundActive, (short) 0, true); - OS.EraseRect (rect1); - } - } - OS.CGContextRestoreGState (context); -} - -Cursor findCursor () { - if (cursor != null) return cursor; - return parent.findCursor (); -} - -Control findBackgroundControl () { - if (backgroundImage != null || background != null) return this; - return (state & PARENT_BACKGROUND) != 0 ? parent.findBackgroundControl () : null; -} - -Menu [] findMenus (Control control) { - if (menu != null && this != control) return new Menu [] {menu}; - return new Menu [0]; -} - -void fixChildren (Shell newShell, Shell oldShell, Decorations newDecorations, Decorations oldDecorations, Menu [] menus) { - oldShell.fixShell (newShell, this); - oldDecorations.fixDecorations (newDecorations, this, menus); -} - -void fixFocus (Control focusControl) { - Shell shell = getShell (); - Control control = this; - while (control != shell && (control = control.parent) != null) { - if (control.setFocus ()) return; - } - shell.setSavedFocus (focusControl); - int window = OS.GetControlOwner (handle); - OS.ClearKeyboardFocus (window); -} - -int focusHandle () { - return handle; -} - -int focusPart () { - return OS.kControlFocusNextPart; -} - -/** - * 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); - shell.bringToTop (false); - if (isDisposed ()) return false; - /* - * Feature in the Macintosh. SetKeyboardFocus() sends kEventControlSetFocusPart - * with the part code equal to kControlFocusNoPart to the control that is about - * to lose focus and then sends kEventControlSetFocusPart with part code equal - * to kControlFocusNextPart to this control (the one that is about to get focus). - * If the control does not accept focus because of the full keyboard access mode, - * kEventControlSetFocusPart is sent again to the control in focus causing multiple - * focus events to happen. The fix is to ignore focus events and issue them only - * if the focus control changed. - */ - int focusHandle = focusHandle (); - int window = OS.GetControlOwner (focusHandle); - Control oldFocus = display.getFocusControl (window, true); - if (oldFocus == this) return true; - display.ignoreFocus = true; - OS.SetKeyboardFocus (window, focusHandle, (short) focusPart ()); - display.ignoreFocus = false; - Control newFocus = display.getFocusControl (); - if (oldFocus != newFocus) { - if (oldFocus != null && !oldFocus.isDisposed ()) oldFocus.sendFocusEvent (SWT.FocusOut, false); - if (newFocus != null && !newFocus.isDisposed () && newFocus.isEnabled ()) newFocus.sendFocusEvent (SWT.FocusIn, false); - } - if (isDisposed ()) return false; - shell.setSavedFocus (this); - return hasFocus (); -} - -/** - * 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; -} - -String [] getAxAttributes () { - return null; -} - -/** - * Returns the receiver's background color. - * <p> - * Note: This operation is a hint and may be overridden by the platform. - * For example, on some versions of Windows the background of a TabFolder, - * is a gradient rather than a solid color. - * </p> - * @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 control.getBackgroundColor (); -} - -Color getBackgroundColor () { - return background != null ? Color.carbon_new (display, background) : defaultBackground (); -} - -/** - * 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; -} - -/** - * 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(); - return getControlBounds (topHandle ()); -} - -/** - * Returns <code>true</code> if the receiver is detecting - * drag gestures, and <code>false</code> otherwise. - * - * @return the receiver's drag detect 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 getDragDetect () { - checkWidget (); - return (state & DRAG_DETECT) != 0; -} - -boolean getDrawing () { - return drawCount <= 0; -} - -/** - * Returns the receiver's cursor, or null if it has not been set. - * <p> - * When the mouse pointer passes over a control its appearance - * is changed to match the control's cursor. - * </p> - * - * @return the receiver's cursor or <code>null</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> - * - * @since 3.3 - */ -public Cursor getCursor () { - checkWidget(); - return cursor; -} - -/** - * 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 (state & DISABLED) == 0; -} - -/** - * 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 getForegroundColor (); -} - -Color getForegroundColor () { - return foreground != null ? Color.carbon_new (display, 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(); - Rectangle rect = getControlBounds (topHandle ()); - return new Point (rect.x, rect.y); -} - -/** - * 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; -} - -int getMininumHeight () { - return 0; -} - -/** - * Returns the receiver's monitor. - * - * @return the receiver's monitor - * - * @since 3.0 - */ -public Monitor getMonitor () { - checkWidget(); - Monitor [] monitors = display.getMonitors (); - if (monitors.length == 1) return monitors [0]; - int index = -1, value = -1; - Rectangle bounds = getBounds (); - if (this != getShell ()) { - bounds = display.map (this.parent, null, bounds); - } - for (int i=0; i<monitors.length; i++) { - Rectangle rect = bounds.intersection (monitors [i].getBounds ()); - int area = rect.width * rect.height; - if (area > 0 && area > value) { - index = i; - value = area; - } - } - if (index >= 0) return monitors [index]; - int centerX = bounds.x + bounds.width / 2, centerY = bounds.y + bounds.height / 2; - for (int i=0; i<monitors.length; i++) { - Rectangle rect = monitors [i].getBounds (); - int x = centerX < rect.x ? rect.x - centerX : centerX > rect.x + rect.width ? centerX - rect.x - rect.width : 0; - int y = centerY < rect.y ? rect.y - centerY : centerY > rect.y + rect.height ? centerY - rect.y - rect.height : 0; - int distance = x * x + y * y; - if (index == -1 || distance < value) { - index = i; - value = distance; - } - } - return monitors [index]; -} - -/** - * 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; -} - -float [] getParentBackground () { - return parent.background; -} - -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 region that defines the shape of the control, - * or null if the control 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 3.4 - */ -public Region getRegion () { - checkWidget (); - return region; -} - -/** - * 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(); - return getControlSize (topHandle ()); -} - -/** - * 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; -} - -float getThemeAlpha () { - return 1 * parent.getThemeAlpha (); -} - -/** - * 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 (state & HIDDEN) == 0; -} - -int getVisibleRegion (int control, boolean clipChildren) { - if (!clipChildren) return super.getVisibleRegion (control, clipChildren); - if (visibleRgn == 0) { - visibleRgn = OS.NewRgn (); - calculateVisibleRegion (control, visibleRgn, clipChildren); - } - int result = OS.NewRgn (); - OS.CopyRgn (visibleRgn, result); - return result; -} - -boolean hasBorder () { - return (style & SWT.BORDER) != 0; -} - -boolean hasFocus () { - return this == display.getFocusControl (); -} - -int helpProc (int inControl, int inGlobalMouse, int inRequest, int outContentProvided, int ioHelpContent) { - switch (inRequest) { - case OS.kHMSupplyContent: { - short [] contentProvided = {OS.kHMContentNotProvidedDontPropagate}; - if (toolTipText != null && toolTipText.length () != 0) { - char [] buffer = new char [toolTipText.length ()]; - toolTipText.getChars (0, buffer.length, buffer, 0); - int length = fixMnemonic (buffer); - if (display.helpString != 0) OS.CFRelease (display.helpString); - display.helpString = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, length); - HMHelpContentRec helpContent = new HMHelpContentRec (); - OS.memmove (helpContent, ioHelpContent, HMHelpContentRec.sizeof); - helpContent.version = OS.kMacHelpVersion; - - /* - * Feature in the Macintosh. Despite the fact that the Mac - * provides 23 different types of alignment for the help text, - * it does not allow the text to be positioned at the current - * mouse position. The fix is to center the text in a rectangle - * that surrounds the original position of the mouse. As the - * mouse is moved, this rectangle is grown to include the new - * location of the mouse. The help text is then centered by - * the Mac in the new rectangle that was carefully constructed - * such that the help text will stay in the same position. - */ - int cursorHeight = 16; - helpContent.tagSide = (short) OS.kHMAbsoluteCenterAligned; - org.eclipse.swt.internal.carbon.Point pt = new org.eclipse.swt.internal.carbon.Point (); - OS.memmove(pt, new int[] {inGlobalMouse}, 4); - int x = pt.h; - int y = pt.v; - if (display.helpWidget != this) { - display.lastHelpX = x + cursorHeight / 2; - display.lastHelpY = y + cursorHeight + cursorHeight / 2; - } - int jitter = 4; - int deltaX = Math.abs (display.lastHelpX - x) + jitter; - int deltaY = Math.abs (display.lastHelpY - y) + jitter; - x = display.lastHelpX - deltaX; - y = display.lastHelpY - deltaY; - int width = deltaX * 2; - int height = deltaY * 2; - display.helpWidget = this; - helpContent.absHotRect_left = (short) x; - helpContent.absHotRect_top = (short) y; - helpContent.absHotRect_right = (short) (x + width); - helpContent.absHotRect_bottom = (short) (y + height); - - helpContent.content0_contentType = OS.kHMCFStringContent; - helpContent.content0_tagCFString = display.helpString; - helpContent.content1_contentType = OS.kHMCFStringContent; - helpContent.content1_tagCFString = display.helpString; - OS.memmove (ioHelpContent, helpContent, HMHelpContentRec.sizeof); - contentProvided [0] = OS.kHMContentProvided; - } - OS.memmove (outContentProvided, contentProvided, 2); - break; - } - case OS.kHMDisposeContent: { - if (display.helpString != 0) OS.CFRelease (display.helpString); - display.helpWidget = null; - display.helpString = 0; - break; - } - } - return OS.noErr; -} - -void hookEvents () { - super.hookEvents (); - int controlProc = display.controlProc; - int [] mask = new int [] { - OS.kEventClassControl, OS.kEventControlActivate, - OS.kEventClassControl, OS.kEventControlApplyBackground, - OS.kEventClassControl, OS.kEventControlBoundsChanged, - OS.kEventClassControl, OS.kEventControlClick, - OS.kEventClassControl, OS.kEventControlContextualMenuClick, - OS.kEventClassControl, OS.kEventControlDeactivate, - OS.kEventClassControl, OS.kEventControlDraw, - OS.kEventClassControl, OS.kEventControlGetClickActivation, - OS.kEventClassControl, OS.kEventControlGetFocusPart, - OS.kEventClassControl, OS.kEventControlGetPartRegion, - OS.kEventClassControl, OS.kEventControlHit, - OS.kEventClassControl, OS.kEventControlHitTest, - OS.kEventClassControl, OS.kEventControlSetCursor, - OS.kEventClassControl, OS.kEventControlSetFocusPart, - OS.kEventClassControl, OS.kEventControlTrack, - }; - int controlTarget = OS.GetControlEventTarget (handle); - OS.InstallEventHandler (controlTarget, controlProc, mask.length / 2, mask, handle, null); - int accessibilityProc = display.accessibilityProc; - mask = new int [] { - OS.kEventClassAccessibility, OS.kEventAccessibleGetChildAtPoint, - OS.kEventClassAccessibility, OS.kEventAccessibleGetFocusedChild, - OS.kEventClassAccessibility, OS.kEventAccessibleGetAllAttributeNames, - OS.kEventClassAccessibility, OS.kEventAccessibleGetNamedAttribute, - }; - OS.InstallEventHandler (controlTarget, accessibilityProc, mask.length / 2, mask, handle, null); - int helpProc = display.helpProc; - OS.HMInstallControlContentCallback (handle, helpProc); - int colorProc = display.colorProc; - OS.SetControlColorProc (handle, colorProc); - if (OS.GetControlAction (handle) == 0) { - OS.SetControlAction (handle, display.actionProc); - } -} - -/** - * 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 window = OS.GetControlOwner (handle); - int port = data != null ? data.port : 0; - if (port == 0) port = OS.GetWindowPort (window); - int context; - int [] buffer = new int [1]; - boolean isPaint = data != null && data.paintEvent != 0; - if (isPaint) { - OS.GetEventParameter (data.paintEvent, OS.kEventParamCGContextRef, OS.typeCGContextRef, null, 4, null, buffer); - } else { - OS.CreateCGContextForPort (port, buffer); - } - context = buffer [0]; - if (context == 0) SWT.error (SWT.ERROR_NO_HANDLES); - int visibleRgn = 0; - if (data != null && data.paintEvent != 0) { - visibleRgn = data.visibleRgn; - } else { - if (isDrawing()) { - visibleRgn = getVisibleRegion (handle, true); - } else { - visibleRgn = OS.NewRgn (); - } - } - Rect rect = new Rect (); - Rect portRect = new Rect (); - OS.GetControlBounds (handle, rect); - OS.GetPortBounds (port, portRect); - if (isPaint) { - rect.right += rect.left; - rect.bottom += rect.top; - rect.left = rect.top = 0; - } else { - int [] contentView = new int [1]; - OS.HIViewFindByID (OS.HIViewGetRoot (window), OS.kHIViewWindowContentID (), contentView); - CGPoint pt = new CGPoint (); - OS.HIViewConvertPoint (pt, OS.HIViewGetSuperview (handle), contentView [0]); - rect.left += (int) pt.x; - rect.top += (int) pt.y; - rect.right += (int) pt.x; - rect.bottom += (int) pt.y; - OS.ClipCGContextToRegion (context, portRect, visibleRgn); - int portHeight = portRect.bottom - portRect.top; - OS.CGContextScaleCTM (context, 1, -1); - OS.CGContextTranslateCTM (context, rect.left, -portHeight + rect.top); - } - 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.thread = display.thread; - data.foreground = getForegroundColor ().handle; - Control control = findBackgroundControl (); - if (control == null) control = this; - data.background = control.getBackgroundColor ().handle; - data.font = font != null ? font : defaultFont (); - data.visibleRgn = visibleRgn; - data.control = handle; - data.portRect = portRect; - data.controlRect = rect; - data.insetRect = getInset (); - - if (data.paintEvent == 0) { - if (gcs == null) gcs = new GCData [4]; - int index = 0; - while (index < gcs.length && gcs [index] != null) index++; - if (index == gcs.length) { - GCData [] newGCs = new GCData [gcs.length + 4]; - System.arraycopy (gcs, 0, newGCs, 0, gcs.length); - gcs = newGCs; - } - gcs [index] = data; - } - } - return context; -} - -/** - * 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 context, GCData data) { - checkWidget (); - if (data != null) { - if (data.paintEvent == 0) { - if (data.visibleRgn != 0) { - OS.DisposeRgn (data.visibleRgn); - data.visibleRgn = 0; - } - - int index = 0; - while (index < gcs.length && gcs [index] != data) index++; - if (index < gcs.length) { - gcs [index] = null; - index = 0; - while (index < gcs.length && gcs [index] == null) index++; - if (index == gcs.length) gcs = null; - } - } else { - return; - } - } - - /* - * This code is intentionally commented. Use CGContextSynchronize - * instead of CGContextFlush to improve performance. - */ -// OS.CGContextFlush (context); - OS.CGContextSynchronize (context); - OS.CGContextRelease (context); -} - -void invalidateChildrenVisibleRegion (int control) { -} - -void invalidateVisibleRegion (int control) { - int index = 0; - Control[] siblings = parent._getChildren (); - while (index < siblings.length && siblings [index] != this) index++; - for (int i=index; i<siblings.length; i++) { - Control sibling = siblings [i]; - sibling.resetVisibleRegion (control); - sibling.invalidateChildrenVisibleRegion (control); - } - parent.resetVisibleRegion (control); -} - -void invalWindowRgn (int window, int rgn) { - parent.invalWindowRgn (window, rgn); -} - -/* - * Answers a boolean indicating whether a Label that precedes the receiver in - * a layout should be read by screen readers as the recevier's label. - */ -boolean isDescribedByLabel () { - return true; -} - -boolean isDrawing () { - return getDrawing() && parent.isDrawing(); -} - -/** - * 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 (); -} - -boolean isEnabledCursor () { - return isEnabled (); -} - -boolean isEnabledModal () { - //NOT DONE - fails for multiple APP MODAL shells - Shell [] shells = display.getShells (); - for (int i = 0; i < shells.length; i++) { - Shell modal = shells [i]; - if (modal != this && modal.isVisible ()) { - if ((modal.style & SWT.PRIMARY_MODAL) != 0) { - Shell shell = getShell (); - if (modal.parent == shell) { - return false; - } - } - int bits = SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL; - if ((modal.style & bits) != 0) { - Control control = this; - while (control != null) { - if (control == modal) break; - control = control.parent; - } - if (control != modal) return false; - } - } - } - return true; -} - -boolean isFocusAncestor (Control control) { - while (control != null && control != this && !(control instanceof Shell)) { - control = control.parent; - } - return control == this; -} - -/** - * 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 (); -} - -/** - * 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 true; -} - -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; -} - -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 getVisible () && parent.isVisible (); -} - -Decorations menuShell () { - return parent.menuShell (); -} - -int kEventAccessibleGetChildAtPoint (int nextHandler, int theEvent, int userData) { - if (accessible != null) { - return accessible.internal_kEventAccessibleGetChildAtPoint (nextHandler, theEvent, userData); - } - return OS.eventNotHandledErr; -} - -int kEventAccessibleGetFocusedChild (int nextHandler, int theEvent, int userData) { - if (accessible != null) { - return accessible.internal_kEventAccessibleGetFocusedChild (nextHandler, theEvent, userData); - } - return OS.eventNotHandledErr; -} - -int kEventAccessibleGetAllAttributeNames (int nextHandler, int theEvent, int userData) { - int code = OS.eventNotHandledErr; - String [] attributes = getAxAttributes (); - if (attributes != null) { - OS.CallNextEventHandler (nextHandler, theEvent); - int [] arrayRef = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamAccessibleAttributeNames, OS.typeCFMutableArrayRef, null, 4, null, arrayRef); - int attributesArrayRef = arrayRef [0]; - int length = OS.CFArrayGetCount (attributesArrayRef); - String[] osAttributes = new String [length]; - for (int i = 0; i < length; i++) { - int stringRef = OS.CFArrayGetValueAtIndex (attributesArrayRef, i); - int strLength = OS.CFStringGetLength (stringRef); - char [] buffer = new char [strLength]; - CFRange range = new CFRange (); - range.length = strLength; - OS.CFStringGetCharacters (stringRef, range, buffer); - osAttributes [i] = new String (buffer); - } - for (int i = 0; i < attributes.length; i++) { - if (!contains (osAttributes, attributes [i])) { - String string = attributes [i]; - char [] buffer = new char [string.length ()]; - string.getChars (0, buffer.length, buffer, 0); - int stringRef = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length); - OS.CFArrayAppendValue (attributesArrayRef, stringRef); - OS.CFRelease (stringRef); - } - } - code = OS.noErr; - } - if (accessible != null) { - code = accessible.internal_kEventAccessibleGetAllAttributeNames (nextHandler, theEvent, code); - } - return code; -} - -int kEventAccessibleGetNamedAttribute (int nextHandler, int theEvent, int userData) { - if (accessible != null) { - return accessible.internal_kEventAccessibleGetNamedAttribute (nextHandler, theEvent, OS.eventNotHandledErr); - } - return OS.eventNotHandledErr; -} - -int kEventControlContextualMenuClick (int nextHandler, int theEvent, int userData) { - int [] theControl = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamDirectObject, OS.typeControlRef, null, 4, null, theControl); - Widget widget = display.getWidget (theControl [0]); - while (widget != null && !(widget instanceof Control)) { - OS.GetSuperControl (theControl [0], theControl); - widget = display.getWidget (theControl [0]); - } - if (widget == this && isEnabled ()) { - int x, y; - Rect rect = new Rect (); - int window = OS.GetControlOwner (handle); - CGPoint pt = new CGPoint (); - OS.GetEventParameter (theEvent, OS.kEventParamWindowMouseLocation, OS.typeHIPoint, null, CGPoint.sizeof, null, pt); - x = (int) pt.x; - y = (int) pt.y; - OS.GetWindowBounds (window, (short) OS.kWindowStructureRgn, rect); - x += rect.left; - y += rect.top; - Event event = new Event (); - event.x = x; - event.y = y; - sendEvent (SWT.MenuDetect, event); - // widget could be disposed at this point - if (isDisposed ()) return OS.noErr; - if (event.doit) { - if (menu != null && !menu.isDisposed ()) { - if (event.x != x || event.y != y) { - menu.setLocation (event.x, event.y); - } - menu.setVisible (true); - } - } - } - return OS.eventNotHandledErr; -} - -int kEventControlGetClickActivation (int nextHandler, int theEvent, int userData) { - if ((getShell ().style & SWT.ON_TOP) != 0) { - OS.SetEventParameter (theEvent, OS.kEventParamClickActivation, OS.typeClickActivationResult, 4, new int [] {OS.kActivateAndHandleClick}); - return OS.noErr; - } - return super.kEventControlGetClickActivation (nextHandler, theEvent, userData); -} - -int kEventControlGetPartRegion (int nextHandler, int theEvent, int userData) { - int result = super.kEventControlGetPartRegion (nextHandler, theEvent, userData); - if (result == OS.noErr) return result; - if (region != null && this != getShell ()) { - short [] part = new short [1]; - OS.GetEventParameter (theEvent, OS.kEventParamControlPart, OS.typeControlPartCode , null, 2, null, part); - if (part [0] == OS.kControlStructureMetaPart || part [0] == OS.kControlClickableMetaPart) { - int [] rgn = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamControlRegion, OS.typeQDRgnHandle , null, 4, null, rgn); - OS.CopyRgn (region.handle, rgn[0]); - Rect rect = getInset (); - OS.OffsetRgn (rgn [0], (short)-rect.left, (short)-rect.top); - return OS.noErr; - } - } - return result; -} - -int kEventControlHitTest (int nextHandler, int theEvent, int userData) { - int result = super.kEventControlHitTest (nextHandler, theEvent, userData); - if (result == OS.noErr) return result; - if (region != null && this != getShell ()) { - result = OS.CallNextEventHandler (nextHandler, theEvent); - CGPoint pt = new CGPoint (); - OS.GetEventParameter (theEvent, OS.kEventParamMouseLocation, OS.typeHIPoint, null, CGPoint.sizeof, null, pt); - if (!region.contains ((int) pt.x, (int) pt.y)) { - OS.SetEventParameter (theEvent, OS.kEventParamControlPart, OS.typeControlPartCode, 2, new short []{0}); - return result; - } - } - if ((state & GRAB) != 0) { - CGRect rect = new CGRect (); - OS.HIViewGetBounds (handle, rect); - CGPoint pt = new CGPoint (); - OS.GetEventParameter (theEvent, OS.kEventParamMouseLocation, OS.typeHIPoint, null, CGPoint.sizeof, null, pt); - if (OS.CGRectContainsPoint (rect, pt) != 0) { - OS.SetEventParameter (theEvent, OS.kEventParamControlPart, OS.typeControlPartCode, 2, new short[]{1}); - } - return OS.noErr; - } - return result; -} - -int kEventControlSetCursor (int nextHandler, int theEvent, int userData) { - if (!isEnabledCursor ()) return OS.noErr; - Cursor cursor = null; - if (isEnabledModal ()) { - if ((cursor = findCursor ()) != null) display.setCursor (cursor.handle); - } - return cursor != null ? OS.noErr : OS.eventNotHandledErr; -} - -int kEventControlSetFocusPart (int nextHandler, int theEvent, int userData) { - display.focusCombo = null; - int result = callFocusEventHandler (nextHandler, theEvent); - if (!display.ignoreFocus) { - if (result == OS.noErr) { - int window = OS.GetControlOwner (handle); - if (window == OS.GetUserFocusWindow ()) { - int focusHandle = focusHandle (); - int [] focusControl = new int [1]; - OS.GetKeyboardFocus (window, focusControl); - short [] part = new short [1]; - OS.GetEventParameter (theEvent, OS.kEventParamControlPart, OS.typeControlPartCode, null, 2, null, part); - Display display = this.display; - display.delayDispose = true; - if (part [0] == OS.kControlFocusNoPart) { - if (focusControl [0] == focusHandle) sendFocusEvent (SWT.FocusOut, false); - } else { - if (focusControl [0] != focusHandle) sendFocusEvent (SWT.FocusIn, false); - } - display.delayDispose = false; - } - // widget could be disposed at this point - if (isDisposed ()) return OS.noErr; - } - } - return result; -} - -int kEventControlTrack (int nextHandler, int theEvent, int userData) { - /* - * Feature in the Macintosh. The default handler of kEventControlTrack - * calls TrackControl() which consumes key and mouse events until the - * tracking is canceled. The fix is to send those events from the - * action proc of the widget by diffing the mouse and modifier keys - * state. - */ - Display display = this.display; -// display.runDeferredEvents (); - if (isDisposed ()) return OS.noErr; - if (display.runPopups ()) return OS.noErr; - if (isDisposed ()) return OS.noErr; - display.lastState = OS.GetCurrentEventButtonState (); - display.lastModifiers = OS.GetCurrentEventKeyModifiers (); - display.grabControl = this; - int timer = 0; - if (pollTrackEvent ()) { - if (display.pollingTimer == 0) { - int [] id = new int [1]; - int eventLoop = OS.GetCurrentEventLoop (); - OS.InstallEventLoopTimer (eventLoop, Display.POLLING_TIMEOUT / 1000.0, Display.POLLING_TIMEOUT / 1000.0, display.pollingProc, 0, id); - display.pollingTimer = timer = id [0]; - } - } - int result = super.kEventControlTrack (nextHandler, theEvent, userData); - if (timer != 0) { - OS.RemoveEventLoopTimer (timer); - display.pollingTimer = 0; - } - display.grabControl = null; - if (isDisposed ()) return OS.noErr; - sendTrackEvents (); - return result; -} - -int kEventMouseDown (int nextHandler, int theEvent, int userData) { - Shell shell = getShell (); - display.dragging = false; - boolean [] consume = new boolean [1]; - short [] button = new short [1]; - OS.GetEventParameter (theEvent, OS.kEventParamMouseButton, OS.typeMouseButton, null, 2, null, button); - int [] clickCount = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamClickCount, OS.typeUInt32, null, 4, null, clickCount); - if (button [0] == 1 && clickCount [0] == 1 && (state & DRAG_DETECT) != 0 && hooks (SWT.DragDetect)) { - CGPoint pt = new CGPoint (); - OS.GetEventParameter (theEvent, OS.kEventParamWindowMouseLocation, OS.typeHIPoint, null, CGPoint.sizeof, null, pt); - OS.HIViewConvertPoint (pt, 0, handle); - int x = (int) pt.x; - int y = (int) pt.y; - if (dragDetect (x, y, true, consume)) { - display.dragging = true; - display.dragButton = button [0]; - display.dragX = x; - display.dragY = y; - int [] chord = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamMouseChord, OS.typeUInt32, null, 4, null, chord); - display.dragState = chord [0]; - int [] modifiers = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamKeyModifiers, OS.typeUInt32, null, 4, null, modifiers); - display.dragModifiers = modifiers [0]; - } - if (isDisposed ()) return OS.noErr; - } - if (!sendMouseEvent (SWT.MouseDown, button [0], display.clickCount, 0, false, theEvent)) consume [0] = true; - if (isDisposed ()) return OS.noErr; - if (display.clickCount == 2) { - if (!sendMouseEvent (SWT.MouseDoubleClick, button [0], display.clickCount, 0, false, theEvent)) consume [0] = true; - if (isDisposed ()) return OS.noErr; - } - if (!shell.isDisposed ()) shell.setActiveControl (this); - return consume [0] ? OS.noErr : OS.eventNotHandledErr; -} - -int kEventMouseDragged (int nextHandler, int theEvent, int userData) { - if (isEnabledModal ()) { - if (display.dragging) { - display.dragging = false; - sendDragEvent (display.dragButton, display.dragState, display.dragModifiers, display.dragX, display.dragY); - if (isDisposed ()) return OS.noErr; - } - int result = sendMouseEvent (SWT.MouseMove, (short) 0, 0, 0, false, theEvent) ? OS.eventNotHandledErr : OS.noErr; - if (isDisposed ()) return OS.noErr; - return result; - } - return OS.eventNotHandledErr; -} - -int kEventMouseMoved (int nextHandler, int theEvent, int userData) { - if (isEnabledModal ()) { - return sendMouseEvent (SWT.MouseMove, (short) 0, 0, 0, false, theEvent) ? OS.eventNotHandledErr : OS.noErr; - } - return OS.eventNotHandledErr; -} - -int kEventMouseUp (int nextHandler, int theEvent, int userData) { - short [] button = new short [1]; - OS.GetEventParameter (theEvent, OS.kEventParamMouseButton, OS.typeMouseButton, null, 2, null, button); - return sendMouseEvent (SWT.MouseUp, button [0], display.clickCount, 0, false, theEvent) ? OS.eventNotHandledErr : OS.noErr; -} - -int kEventMouseWheelMoved (int nextHandler, int theEvent, int userData) { - if ((state & IGNORE_WHEEL) != 0) return OS.eventNotHandledErr; - - /* - * Bug in the Macintosh. Mouse Wheel events are still processed when the - * window is not enabled due to a modal dialog. The fix is to not let the - * default handlers run when window is modal disabled. - */ - int window = OS.GetControlOwner (handle); - if (OS.HIWindowIsDocumentModalTarget (window, null)) { - return OS.noErr; - } - int[] event = new int[1]; - OS.CreateEvent (0, OS.kEventClassWindow, OS.kEventWindowGetClickModality, 0.0, 0, event); - if (event [0] != 0) { - short [] part = new short [1]; - OS.GetEventParameter (theEvent, OS.kEventParamWindowPartCode, OS.typeWindowPartCode, null, 2, null, part); - int [] modifiers = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamKeyModifiers, OS.typeUInt32, null, modifiers.length * 4, null, modifiers); - OS.SetEventParameter (event [0], OS.kEventParamDirectObject, OS.typeWindowRef, 4, new int[]{window}); - OS.SetEventParameter (event [0], OS.kEventParamWindowPartCode, OS.typeWindowPartCode, 2, part); - OS.SetEventParameter (event [0], OS.kEventParamKeyModifiers, OS.typeUInt32, 4, modifiers); - OS.SetEventParameter (event [0], OS.kEventParamEventRef, OS.typeEventRef, 4, new int[]{theEvent}); - OS.SendEventToEventTarget (event [0], OS.GetApplicationEventTarget ()); - int [] clickResult = new int [1]; - OS.GetEventParameter (event [0], OS.kEventParamModalClickResult, OS.typeModalClickResult, null, 4, null, clickResult); - OS.ReleaseEvent (event [0]); - if ((clickResult [0] & OS.kHIModalClickIsModal) != 0) { - if ((clickResult [0] & OS.kHIModalClickAllowEvent) == 0) { - return OS.noErr; - } - } - } - - short [] wheelAxis = new short [1]; - OS.GetEventParameter (theEvent, OS.kEventParamMouseWheelAxis, OS.typeMouseWheelAxis, null, 2, null, wheelAxis); - int [] wheelDelta = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamMouseWheelDelta, OS.typeSInt32, null, 4, null, wheelDelta); - Shell shell = getShell (); - Control control = this; - while (control != null) { - if (!control.sendMouseEvent (SWT.MouseWheel, (short) 0, wheelDelta [0], SWT.SCROLL_LINE, true, theEvent)) { - break; - } - if (control.sendMouseWheel (wheelAxis [0], wheelDelta [0])) break; - if (control == this) { - /* - * Feature in the Macintosh. For some reason, the kEventMouseWheelMoved - * event is sent twice to each application handler with the same mouse wheel - * data. The fix is to set an ignore flag before calling the next handler - * in the handler chain. - */ - state |= IGNORE_WHEEL; - int result = OS.CallNextEventHandler (nextHandler, theEvent); - state &= ~IGNORE_WHEEL; - if (result == OS.noErr) break; - } - if (control == shell) break; - control = control.parent; - } - return OS.noErr; -} - -int kEventTextInputUnicodeForKeyEvent (int nextHandler, int theEvent, int userData) { - int [] keyboardEvent = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamTextInputSendKeyboardEvent, OS.typeEventRef, null, keyboardEvent.length * 4, null, keyboardEvent); - int [] keyCode = new int [1]; - OS.GetEventParameter (keyboardEvent [0], OS.kEventParamKeyCode, OS.typeUInt32, null, keyCode.length * 4, null, keyCode); - boolean [] consume = new boolean [1]; - if (translateTraversal (keyCode [0], keyboardEvent [0], consume)) return OS.noErr; - if (isDisposed ()) return OS.noErr; - if (keyCode [0] == 114) { /* Help */ - Control control = this; - while (control != null) { - if (control.hooks (SWT.Help)) { - control.postEvent (SWT.Help); - break; - } - control = control.parent; - } - } - int result = kEventUnicodeKeyPressed (nextHandler, theEvent, userData); - if (result == OS.noErr || consume [0]) return OS.noErr; - /* - * Feature in the Macintosh. If the focus target is changed - * before the default handler for the widget has run, the key - * goes to the new focus widget. The fix is to explicitly - * send the event to the original focus widget and stop - * the chain of handlers. - */ - if (!isDisposed ()) { - Control focusControl = display.getFocusControl (); - if (focusControl != this) { - int window = OS.GetControlOwner (handle), newWindow = 0; - if (focusControl != null) { - newWindow = OS.GetControlOwner (focusControl.handle); - } - display.ignoreFocus = true; - if (window != newWindow) OS.SetUserFocusWindow (window); - OS.SetKeyboardFocus (window, focusHandle (), (short) focusPart ()); - display.ignoreFocus = false; - result = OS.CallNextEventHandler (nextHandler, theEvent); - display.ignoreFocus = true; - if (window != newWindow && newWindow != 0) OS.SetUserFocusWindow (newWindow); - if (window == newWindow && focusControl != null) { - OS.SetKeyboardFocus (window, focusControl.focusHandle (), (short) focusControl.focusPart ()); - } else { - OS.ClearKeyboardFocus (window); - } - display.ignoreFocus = false; - return OS.noErr; - } - } - return result; -} - -int kEventUnicodeKeyPressed (int nextHandler, int theEvent, int userData) { - int [] keyboardEvent = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamTextInputSendKeyboardEvent, OS.typeEventRef, null, keyboardEvent.length * 4, null, keyboardEvent); - if (!sendKeyEvent (SWT.KeyDown, keyboardEvent [0])) return OS.noErr; - return OS.eventNotHandledErr; -} - -void markLayout (boolean changed, boolean all) { - /* Do nothing */ -} - -/** - * 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; - } - setZOrder (control, true); -} - -/** - * 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; - } - setZOrder (control, false); -} - -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)); -} - -/** - * Prints the receiver and all children. - * - * @param gc the gc where the drawing occurs - * @return <code>true</code> if the operation was successful and <code>false</code> otherwise - * - * @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 3.4 - */ -public boolean print (GC gc) { - checkWidget (); - if (gc == null) error (SWT.ERROR_NULL_ARGUMENT); - if (gc.isDisposed ()) error (SWT.ERROR_INVALID_ARGUMENT); - int [] outImage = new int [1]; - CGRect outFrame = new CGRect (); - if (OS.HIViewCreateOffscreenImage (handle, 0, outFrame, outImage) == OS.noErr) { - int width = OS.CGImageGetWidth (outImage [0]); - int height = OS.CGImageGetHeight (outImage [0]); - CGRect rect = new CGRect(); - rect.width = width; - rect.height = height; - //TODO - does not draw the browser (cocoa widgets?) - OS.HIViewDrawCGImage (gc.handle, rect, outImage [0]); - OS.CGImageRelease (outImage [0]); - } - return true; -} - -boolean pollTrackEvent() { - return false; -} - -/** - * 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(); - redrawWidget (handle, false); -} - -void redraw (boolean children) { -// checkWidget(); - redrawWidget (handle, children); -} - -/** - * 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 (); - redrawWidget (handle, x, y, width, height, all); -} - -void register () { - super.register (); - display.addWidget (handle, this); -} - -void release (boolean destroy) { - Control next = null, previous = null; - if (destroy && parent != null) { - Control[] children = parent._getChildren (); - int index = 0; - while (index < children.length) { - if (children [index] == this) break; - index++; - } - if (0 < index && (index + 1) < children.length) { - next = children [index + 1]; - previous = children [index - 1]; - } - } - super.release (destroy); - if (destroy) { - if (previous != null) previous.addRelation (next); - } -} - -void releaseHandle () { - super.releaseHandle (); - handle = 0; - parent = null; -} - -void releaseParent () { - setVisible (topHandle (), false); - parent.removeControl (this); -} - -void releaseWidget () { - super.releaseWidget (); - if (menu != null && !menu.isDisposed ()) { - menu.dispose (); - } - if (visibleRgn != 0) OS.DisposeRgn (visibleRgn); - visibleRgn = 0; - menu = null; - layoutData = null; - if (accessible != null) { - accessible.internal_dispose_Accessible (); - } - accessible = null; - region = 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 a drag gesture occurs. - * - * @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 DragDetectListener - * @see #addDragDetectListener - * - * @since 3.3 - */ -public void removeDragDetectListener(DragDetectListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - if (eventTable == null) return; - eventTable.unhook (SWT.DragDetect, 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 platform-specific context menu trigger has - * occurred. - * - * @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 MenuDetectListener - * @see #addMenuDetectListener - * - * @since 3.3 - */ -public void removeMenuDetectListener (MenuDetectListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - if (eventTable == null) return; - eventTable.unhook (SWT.MenuDetect, 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 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 the mouse wheel is scrolled. - * - * @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 MouseWheelListener - * @see #addMouseWheelListener - * - * @since 3.3 - */ -public void removeMouseWheelListener (MouseWheelListener listener) { - checkWidget (); - if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); - if (eventTable == null) return; - eventTable.unhook (SWT.MouseWheel, 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); -} - -/* - * Remove "Labeled by" relations from the receiver. - */ -void removeRelation () { - if (!isDescribedByLabel ()) return; /* there will not be any */ - String string = OS.kAXTitleUIElementAttribute; - char [] buffer = new char [string.length ()]; - string.getChars (0, buffer.length, buffer, 0); - int stringRef = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length); - OS.HIObjectSetAuxiliaryAccessibilityAttribute(handle, 0, stringRef, 0); - OS.CFRelease(stringRef); -} - -/** - * 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); -} - -void resetVisibleRegion (int control) { - if (visibleRgn != 0) { - OS.DisposeRgn (visibleRgn); - visibleRgn = 0; - } - if (gcs != null) { - int visibleRgn = getVisibleRegion (handle, true); - for (int i=0; i<gcs.length; i++) { - GCData data = gcs [i]; - if (data != null) { - data.updateClip = true; - OS.CopyRgn (visibleRgn, data.visibleRgn); - } - } - OS.DisposeRgn (visibleRgn); - } - Object runnable = getData (RESET_VISIBLE_REGION); - if (runnable != null && runnable instanceof Runnable) { - ((Runnable) runnable).run (); - } -} - -boolean sendDragEvent (int button, int stateMask, int x, int y) { - Event event = new Event (); - event.button = button; - event.x = x; - event.y = y; - event.stateMask = stateMask; - postEvent (SWT.DragDetect, event); - return event.doit; -} - -boolean sendDragEvent (int button, int chord, int modifiers, int x, int y) { - Event event = new Event (); - switch (button) { - case 1: event.button = 1; break; - case 2: event.button = 3; break; - case 3: event.button = 2; break; - case 4: event.button = 4; break; - case 5: event.button = 5; break; - } - event.x = x; - event.y = y; - setInputState (event, SWT.DragDetect, chord, modifiers); - postEvent (SWT.DragDetect, event); - return event.doit; -} - -void sendFocusEvent (int type, boolean post) { - Display display = this.display; - Shell shell = getShell (); - /* - * Feature in the Macintosh. GetKeyboardFocus() returns NULL during - * kEventControlSetFocusPart if the focus part is not kControlFocusNoPart. - * The fix is to remember the focus control and return it during - * kEventControlSetFocusPart. - */ - display.focusControl = this; - display.focusEvent = type; - if (post) { - postEvent (type); - } else { - 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; - } - } - display.focusEvent = SWT.None; - display.focusControl = null; -} - -boolean sendMouseEvent (int type, short button, int count, int detail, boolean send, int theEvent) { - CGPoint pt = new CGPoint (); - OS.GetEventParameter (theEvent, OS.kEventParamWindowMouseLocation, OS.typeHIPoint, null, CGPoint.sizeof, null, pt); - OS.HIViewConvertPoint (pt, 0, handle); - int x = (int) pt.x; - int y = (int) pt.y; - display.lastX = x; - display.lastY = y; - int [] chord = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamMouseChord, OS.typeUInt32, null, 4, null, chord); - int [] modifiers = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamKeyModifiers, OS.typeUInt32, null, 4, null, modifiers); - return sendMouseEvent (type, button, count, detail, send, chord [0], (short) x, (short) y, modifiers [0]); -} - -boolean sendMouseEvent (int type, short button, int count, boolean send, int chord, short x, short y, int modifiers) { - return sendMouseEvent (type, button, count, 0, send, chord, x, y, modifiers); -} - -boolean sendMouseEvent (int type, short button, int count, int detail, boolean send, int chord, short x, short y, int modifiers) { - if (!hooks (type) && !filters (type)) return true; - if ((state & SAFARI_EVENTS_FIX) != 0) { - switch (type) { - case SWT.MouseUp: - case SWT.MouseMove: - case SWT.MouseDoubleClick: { - return true; - } - case SWT.MouseDown: { - if (button == 1) return true; - break; - } - } - } - Event event = new Event (); - switch (button) { - case 1: event.button = 1; break; - case 2: event.button = 3; break; - case 3: event.button = 2; break; - case 4: event.button = 4; break; - case 5: event.button = 5; break; - } - event.x = x; - event.y = y; - event.count = count; - event.detail = detail; - setInputState (event, type, chord, modifiers); - if (send) { - sendEvent (type, event); - if (isDisposed ()) return false; - } else { - postEvent (type, event); - } - return event.doit; -} - -boolean sendMouseWheel (short wheelAxis, int wheelDelta) { - return false; -} - -void sendTrackEvents () { - Display display = this.display; - display.runDeferredEvents (); - if (isDisposed ()) return; - boolean events = false; - if (display.dragging) { - display.dragging = false; - sendDragEvent (display.dragButton, display.dragState, display.dragModifiers, display.dragX, display.dragY); - if (isDisposed ()) return; - events = true; - } - org.eclipse.swt.internal.carbon.Point outPt = new org.eclipse.swt.internal.carbon.Point (); - OS.GetGlobalMouse (outPt); - Rect rect = new Rect (); - int window = OS.GetControlOwner (handle); - int newX, newY; - CGPoint pt = new CGPoint (); - pt.x = outPt.h; - pt.y = outPt.v; - OS.HIViewConvertPoint (pt, 0, handle); - newX = (int) pt.x; - newY = (int) pt.y; - OS.GetWindowBounds (window, (short) OS.kWindowStructureRgn, rect); - newX -= rect.left; - newY -= rect.top; - int newModifiers = OS.GetCurrentEventKeyModifiers (); - int newState = OS.GetCurrentEventButtonState (); - int oldX = display.lastX; - int oldY = display.lastY; - int oldState = display.lastState; - int oldModifiers = display.lastModifiers; - display.lastX = newX; - display.lastY = newY; - display.lastModifiers = newModifiers; - display.lastState = newState; - if (newState != oldState) { - int button = 0, type = SWT.MouseDown; - if ((oldState & 0x1) == 0 && (newState & 0x1) != 0) button = 1; - if ((oldState & 0x2) == 0 && (newState & 0x2) != 0) button = 2; - if ((oldState & 0x4) == 0 && (newState & 0x4) != 0) button = 3; - if ((oldState & 0x8) == 0 && (newState & 0x8) != 0) button = 4; - if ((oldState & 0x10) == 0 && (newState & 0x10) != 0) button = 5; - if (button == 0) { - type = SWT.MouseUp; - if ((oldState & 0x1) != 0 && (newState & 0x1) == 0) button = 1; - if ((oldState & 0x2) != 0 && (newState & 0x2) == 0) button = 2; - if ((oldState & 0x4) != 0 && (newState & 0x4) == 0) button = 3; - if ((oldState & 0x8) != 0 && (newState & 0x8) == 0) button = 4; - if ((oldState & 0x10) != 0 && (newState & 0x10) == 0) button = 5; - } - if (button != 0) { - sendMouseEvent (type, (short)button, 1, false, newState, (short)newX, (short)newY, newModifiers); - events = true; - } - } - if (newModifiers != oldModifiers && !isDisposed ()) { - int key = 0, type = SWT.KeyDown; - if ((newModifiers & OS.alphaLock) != 0 && (oldModifiers & OS.alphaLock) == 0) key = SWT.CAPS_LOCK; - if ((newModifiers & OS.shiftKey) != 0 && (oldModifiers & OS.shiftKey) == 0) key = SWT.SHIFT; - if ((newModifiers & OS.controlKey) != 0 && (oldModifiers & OS.controlKey) == 0) key = SWT.CONTROL; - if ((newModifiers & OS.cmdKey) != 0 && (oldModifiers & OS.cmdKey) == 0) key = SWT.COMMAND; - if ((newModifiers & OS.optionKey) != 0 && (oldModifiers & OS.optionKey) == 0) key = SWT.ALT; - if (key == 0) { - type = SWT.KeyUp; - if ((newModifiers & OS.alphaLock) == 0 && (oldModifiers & OS.alphaLock) != 0) key = SWT.CAPS_LOCK; - if ((newModifiers & OS.shiftKey) == 0 && (oldModifiers & OS.shiftKey) != 0) key = SWT.SHIFT; - if ((newModifiers & OS.controlKey) == 0 && (oldModifiers & OS.controlKey) != 0) key = SWT.CONTROL; - if ((newModifiers & OS.cmdKey) == 0 && (oldModifiers & OS.cmdKey) != 0) key = SWT.COMMAND; - if ((newModifiers & OS.optionKey) == 0 && (oldModifiers & OS.optionKey) != 0) key = SWT.ALT; - } - if (key != 0) { - Event event = new Event (); - event.keyCode = key; - setInputState (event, type, newState, newModifiers); - sendKeyEvent (type, event); - events = true; - } - } - if (newX != oldX || newY != oldY && !isDisposed ()) { - display.mouseMoved = true; - sendMouseEvent (SWT.MouseMove, (short)0, 0, false, newState, (short)newX, (short)newY, newModifiers); - events = true; - } - if (events) display.runDeferredEvents (); -} - -void setBackground () { - redrawWidget (handle, false); -} - -/** - * 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. - * <p> - * Note: This operation is a hint and may be overridden by the platform. - * For example, on Windows the background of a Button cannot be changed. - * </p> - * @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); - } - float[] background = color != null ? color.handle : null; - if (equals (background, this.background)) return; - this.background = background; - setBackground (background); - redrawWidget (handle, false); -} - -/** - * 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. - * <p> - * Note: This operation is a hint and may be overridden by the platform. - * For example, on Windows the background of a Button cannot be changed. - * </p> - * @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 && image.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); - if (image == backgroundImage) return; - backgroundImage = image; - redrawWidget (handle, false); -} - -void setBackground (float [] color) { - setBackground (handle, color); -} - -void setBackground (int control, float [] color) { - ControlFontStyleRec fontStyle = new ControlFontStyleRec (); - OS.GetControlData (control, (short) OS.kControlEntireControl, OS.kControlFontStyleTag, ControlFontStyleRec.sizeof, fontStyle, null); - if (color != null) { - fontStyle.backColor_red = (short) (color [0] * 0xffff); - fontStyle.backColor_green = (short) (color [1] * 0xffff); - fontStyle.backColor_blue = (short) (color [2] * 0xffff); - fontStyle.flags |= OS.kControlUseBackColorMask; - } else { - fontStyle.flags &= ~OS.kControlUseBackColorMask; - } - OS.SetControlFontStyle (control, fontStyle); -} - -/** - * 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(); - setBounds (x, y, Math.max (0, width), Math.max (0, height), true, true, true); -} - -int setBounds (int x, int y, int width, int height, boolean move, boolean resize, boolean events) { - return setBounds (topHandle (), x, y, width, height, move, resize, events); -} - -/** - * 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, Math.max (0, rect.width), Math.max (0, rect.height), true, true, true); -} - -/** - * 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. Note that on some platforms, - * a mouse button must currently be down for capture to be assigned. - * - * @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(); -} - -/** - * 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 ()) error (SWT.ERROR_INVALID_ARGUMENT); - this.cursor = cursor; - if (!isEnabled ()) return; - org.eclipse.swt.internal.carbon.Point where = new org.eclipse.swt.internal.carbon.Point (); - OS.GetGlobalMouse (where); - int [] theWindow = new int [1]; - if (display.grabControl == this) { - theWindow [0] = OS.GetControlOwner (handle); - } else { - if (OS.FindWindow (where, theWindow) != OS.inContent) return; - if (theWindow [0] == 0) return; - } - Rect rect = new Rect (); - OS.GetWindowBounds (theWindow [0], (short) OS.kWindowStructureRgn, rect); - int [] theControl = new int [1]; - if (display.grabControl == this) { - theControl [0] = handle; - } else { - CGPoint inPoint = new CGPoint (); - inPoint.x = where.h - rect.left; - inPoint.y = where.v - rect.top; - int [] theRoot = new int [1]; - OS.GetRootControl (theWindow [0], theRoot); - int[] event = new int[1]; - OS.CreateEvent (0, OS.kEventClassMouse, OS.kEventMouseDown, 0.0, 0, event); - OS.SetEventParameter (event[0], OS.kEventParamWindowMouseLocation, OS.typeHIPoint, CGPoint.sizeof, inPoint); - OS.HIViewGetViewForMouseEvent (theRoot [0], event [0], theControl); - OS.ReleaseEvent(event[0]); - int cursorControl = theControl [0]; - while (theControl [0] != 0 && theControl [0] != handle) { - OS.GetSuperControl (theControl [0], theControl); - } - if (theControl [0] == 0) return; - theControl [0] = cursorControl; - do { - Widget widget = display.getWidget (theControl [0]); - if (widget != null) { - if (widget instanceof Control) { - Control control = (Control) widget; - if (control.isEnabled ()) break; - } - } - OS.GetSuperControl (theControl [0], theControl); - } while (theControl [0] != 0); - if (theControl [0] == 0) { - theControl [0] = theRoot [0]; - Widget widget = display.getWidget (theControl [0]); - if (widget != null && widget instanceof Control) { - Control control = (Control) widget; - theControl [0] = control.handle; - } - } - } - CGPoint pt = new CGPoint (); - OS.HIViewConvertPoint (pt, theControl [0], 0); - where.h -= (int) pt.x; - where.v -= (int) pt.y; - where.h -= rect.left; - where.v -= rect.top; - int modifiers = OS.GetCurrentEventKeyModifiers (); - boolean [] cursorWasSet = new boolean [1]; - OS.HandleControlSetCursor (theControl [0], where, (short) modifiers, cursorWasSet); - if (!cursorWasSet [0]) OS.SetThemeCursor (OS.kThemeArrowCursor); -} - -void setDefaultFont () { - if (display.smallFonts) setFontStyle (defaultFont ()); -} - -/** - * Sets the receiver's drag detect state. If the argument is - * <code>true</code>, the receiver will detect drag gestures, - * otherwise these gestures will be ignored. - * - * @param dragDetect the new drag detect 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 setDragDetect (boolean dragDetect) { - checkWidget (); - if (dragDetect) { - state |= DRAG_DETECT; - } else { - state &= ~DRAG_DETECT; - } -} - -/** - * 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 (((state & DISABLED) == 0) == enabled) return; - Control control = null; - boolean fixFocus = false; - if (!enabled) { - if (display.focusEvent != SWT.FocusOut) { - control = display.getFocusControl (); - fixFocus = isFocusAncestor (control); - } - } - if (enabled) { - state &= ~DISABLED; - } else { - state |= DISABLED; - } - enableWidget (enabled); - if (fixFocus) fixFocus (control); -} - -/** - * 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; - setFontStyle (display.smallFonts ? (font != null ? font : defaultFont ()) : font); - redrawWidget (handle, false); -} - -void setFontStyle (Font font) { - setFontStyle (handle, font); -} - -void setFontStyle (int control, Font font) { - ControlFontStyleRec fontStyle = new ControlFontStyleRec (); - OS.GetControlData (control, (short) OS.kControlEntireControl, OS.kControlFontStyleTag, ControlFontStyleRec.sizeof, fontStyle, null); - fontStyle.flags &= ~(OS.kControlUseFontMask | OS.kControlUseSizeMask | OS.kControlUseFaceMask | OS.kControlUseThemeFontIDMask); - if (font != null) { - short [] family = new short [1], style = new short [1]; - OS.FMGetFontFamilyInstanceFromFont (font.handle, family, style); - fontStyle.flags |= OS.kControlUseFontMask | OS.kControlUseSizeMask | OS.kControlUseFaceMask; - fontStyle.font = family [0]; - fontStyle.style = (short) (style [0] | font.style); - fontStyle.size = (short) font.size; - } - OS.SetControlFontStyle (control, fontStyle); -} - -/** - * 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. - * <p> - * Note: This operation is a hint and may be overridden by the platform. - * </p> - * @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(); - if (color != null) { - if (color.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT); - } - float[] foreground = color != null ? color.handle : null; - if (equals (foreground, this.foreground)) return; - this.foreground = foreground; - setForeground (foreground); - redrawWidget (handle, false); -} - -void setForeground (float [] color) { - setForeground (handle, color); -} - -void setForeground (int control, float [] color) { - ControlFontStyleRec fontStyle = new ControlFontStyleRec (); - OS.GetControlData (control, (short) OS.kControlEntireControl, OS.kControlFontStyleTag, ControlFontStyleRec.sizeof, fontStyle, null); - if (color != null) { - fontStyle.foreColor_red = (short) (color [0] * 0xffff); - fontStyle.foreColor_green = (short) (color [1] * 0xffff); - fontStyle.foreColor_blue = (short) (color [2] * 0xffff); - fontStyle.flags |= OS.kControlUseForeColorMask; - } else { - fontStyle.flags &= ~OS.kControlUseForeColorMask; - } - OS.SetControlFontStyle (control, fontStyle); -} - -/** - * 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(); - setBounds (x, y, 0, 0, true, false, true); -} - -/** - * 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); - setBounds (location.x, location.y, 0, 0, true, false, true); -} - -/** - * 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; -} - -/** - * 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; - releaseParent (); - Shell newShell = parent.getShell (), oldShell = getShell (); - Decorations newDecorations = parent.menuShell (), oldDecorations = menuShell (); - if (oldShell != newShell || oldDecorations != newDecorations) { - Menu [] menus = oldShell.findMenus (this); - fixChildren (newShell, oldShell, newDecorations, oldDecorations, menus); - } - int topHandle = topHandle (); - OS.HIViewAddSubview (parent.handle, topHandle); - OS.HIViewSetVisible (topHandle, (state & HIDDEN) == 0); - OS.HIViewSetZOrder (topHandle, OS.kHIViewZOrderBelow, 0); - this.parent = parent; - return true; -} - -/** - * 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(); - if (redraw) { - if (--drawCount == 0) { - int topHandle = topHandle (); - OS.HIViewSetDrawingEnabled (topHandle, true); - invalidateVisibleRegion (topHandle); - redrawWidget (topHandle, true); - } - } else { - if (drawCount == 0) { - int topHandle = topHandle (); - OS.HIViewSetDrawingEnabled (topHandle, false); - invalidateVisibleRegion (topHandle); - } - drawCount++; - } -} - -/** - * Sets the shape of the control to the region specified - * by the argument. When the argument is null, the - * default shape of the control is restored. - * - * @param region the region that defines the shape of the control (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 3.4 - */ -public void setRegion (Region region) { - checkWidget (); - if (region != null && region.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); - this.region = region; - OS.HIViewRegionChanged (handle, OS.kControlStructureMetaPart); - redrawWidget (handle, true); -} - -boolean setRadioSelection (boolean value){ - return false; -} - -void setRelations () { - if (parent == null) return; - Control [] children = parent._getChildren (); - int count = children.length; - if (count > 1) { - /* - * the receiver is the last item in the list, so its predecessor will - * be the second-last item in the list - */ - Control child = children [count - 2]; - if (child != this) { - child.addRelation (this); - } - } -} - -/** - * 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(); - setBounds (0, 0, Math.max (0, width), Math.max (0, height), false, true, true); -} - -/** - * 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); - setBounds (0, 0, Math.max (0, size.x), Math.max (0, size.y), false, true, true); -} - -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 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 (display.helpWidget == this) { - display.helpWidget = null; - OS.HMInstallControlContentCallback (handle, 0); - OS.HMInstallControlContentCallback (handle, display.helpProc); - } -} - -/** - * 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) { - if ((state & HIDDEN) == 0) return; - state &= ~HIDDEN; - } else { - if ((state & HIDDEN) != 0) return; - state |= HIDDEN; - } - if (visible) { - /* - * It is possible (but unlikely), that application - * code could have disposed the widget in the show - * event. If this happens, just return. - */ - sendEvent (SWT.Show); - if (isDisposed ()) return; - } - - /* - * Feature in the Macintosh. If the receiver has focus, hiding - * the receiver causes no control to have focus. Also, the focus - * needs to be cleared from any TXNObject so that it stops blinking - * the caret. The fix is to assign focus to the first ancestor - * control that takes focus. If no control will take focus, clear - * the focus control. - */ - Control control = null; - boolean fixFocus = false; - if (!visible) { - if (display.focusEvent != SWT.FocusOut) { - control = display.getFocusControl (); - fixFocus = isFocusAncestor (control); - } - } - setVisible (topHandle (), visible); - if (!visible) { - /* - * It is possible (but unlikely), that application - * code could have disposed the widget in the show - * event. If this happens, just return. - */ - sendEvent (SWT.Hide); - if (isDisposed ()) return; - } - if (fixFocus) fixFocus (control); -} - -void setZOrder () { - int topHandle = topHandle (); - int parentHandle = parent.handle; - OS.HIViewAddSubview (parentHandle, topHandle); - OS.HIViewSetZOrder (topHandle, OS.kHIViewZOrderBelow, 0); - Rect inset = getInset (); - Rect rect = new Rect (); - rect.left = rect.right = inset.left; - rect.top = rect.bottom = inset.top; - OS.SetControlBounds (topHandle, rect); -} - -void setZOrder (Control sibling, boolean above) { - int siblingHandle = sibling == null ? 0 : sibling.topHandle (); - int index = 0, siblingIndex = 0, oldNextIndex = -1; - Control[] children = null; - /* determine the receiver's and sibling's indexes in the parent */ - children = parent._getChildren (); - while (index < children.length) { - if (children [index] == this) break; - index++; - } - if (sibling != null) { - while (siblingIndex < children.length) { - if (children [siblingIndex] == sibling) break; - siblingIndex++; - } - } - /* remove "Labeled by" relationships that will no longer be valid */ - removeRelation (); - if (index + 1 < children.length) { - oldNextIndex = index + 1; - children [oldNextIndex].removeRelation (); - } - if (sibling != null) { - if (above) { - sibling.removeRelation (); - } else { - if (siblingIndex + 1 < children.length) { - children [siblingIndex + 1].removeRelation (); - } - } - } - setZOrder (topHandle (), siblingHandle, above); - /* determine the receiver's new index in the parent */ - if (sibling != null) { - if (above) { - index = siblingIndex - (index < siblingIndex ? 1 : 0); - } else { - index = siblingIndex + (siblingIndex < index ? 1 : 0); - } - } else { - if (above) { - index = 0; - } else { - index = children.length - 1; - } - } - - /* add new "Labeled by" relations as needed */ - children = parent._getChildren (); - if (0 < index) { - children [index - 1].addRelation (this); - } - if (index + 1 < children.length) { - addRelation (children [index + 1]); - } - if (oldNextIndex != -1) { - if (oldNextIndex <= index) oldNextIndex--; - /* the last two conditions below ensure that duplicate relations are not hooked */ - if (0 < oldNextIndex && oldNextIndex != index && oldNextIndex != index + 1) { - children [oldNextIndex - 1].addRelation (children [oldNextIndex]); - } - } -} - -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; - } - } - } - } -} - -Point textExtent (int ptr, int wHint) { - if (ptr != 0 && OS.CFStringGetLength (ptr) > 0) { - float [] w = new float [1], h = new float [1]; - HIThemeTextInfo info = new HIThemeTextInfo (); - info.state = OS.kThemeStateActive; - if (font != null) { - short [] family = new short [1], style = new short [1]; - OS.FMGetFontFamilyInstanceFromFont (font.handle, family, style); - OS.TextFont (family [0]); - OS.TextFace ((short) (style [0] | font.style)); - OS.TextSize ((short) font.size); - info.fontID = (short) OS.kThemeCurrentPortFont; - } else { - info.fontID = (short) defaultThemeFont (); - } - OS.HIThemeGetTextDimensions (ptr, wHint == SWT.DEFAULT ? 0 : wHint, info, w, h, null); - return new Point((int) w [0], (int) h [0]); - } else { - Font font = getFont (); - ATSFontMetrics metrics = new ATSFontMetrics(); - OS.ATSFontGetVerticalMetrics(font.handle, OS.kATSOptionFlagsDefault, metrics); - OS.ATSFontGetHorizontalMetrics(font.handle, OS.kATSOptionFlagsDefault, metrics); - return new Point(0, (int)(0.5f + (metrics.ascent -metrics.descent + metrics.leading) * font.size)); - } -} - -Point textExtent(char[] chars, int wHint) { - int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, chars, chars.length); - Point result = textExtent (ptr, wHint); - if (ptr != 0) OS.CFRelease (ptr); - return result; -} - -/** - * 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(); - Rect rect = new Rect (); - int window = OS.GetControlOwner (handle); - CGPoint pt = new CGPoint (); - OS.HIViewConvertPoint (pt, handle, 0); - x -= (int) pt.x; - y -= (int) pt.y; - OS.GetWindowBounds (window, (short) OS.kWindowStructureRgn, rect); - x -= rect.left; - y -= rect.top; - Rect inset = getInset (); - x += inset.left; - y += inset.top; - 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(); - Rect rect = new Rect (); - int window = OS.GetControlOwner (handle); - CGPoint pt = new CGPoint (); - OS.HIViewConvertPoint (pt, handle, 0); - x += (int) pt.x; - y += (int) pt.y; - OS.GetWindowBounds (window, (short) OS.kWindowStructureRgn, rect); - x += rect.left; - y += rect.top; - Rect inset = getInset (); - x -= inset.left; - y -= inset.top; - 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); -} - -int topHandle () { - return handle; -} - -boolean translateTraversal (int key, int theEvent, boolean [] consume) { - int detail = SWT.TRAVERSE_NONE; - int code = traversalCode (key, theEvent); - boolean all = false; - switch (key) { - case 53: /* Esc */ { - all = true; - detail = SWT.TRAVERSE_ESCAPE; - break; - } - case 76: /* KP Enter */ - case 36: /* Return */ { - all = true; - detail = SWT.TRAVERSE_RETURN; - break; - } - case 48: /* Tab */ { - int [] modifiers = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamKeyModifiers, OS.typeUInt32, null, 4, null, modifiers); - boolean next = (modifiers [0] & OS.shiftKey) == 0; - detail = next ? SWT.TRAVERSE_TAB_NEXT : SWT.TRAVERSE_TAB_PREVIOUS; - break; - } - case 126: /* Up arrow */ - case 123: /* Left arrow */ - case 125: /* Down arrow */ - case 124: /* Right arrow */ { - boolean next = key == 125 /* Down arrow */ || key == 124 /* Right arrow */; - detail = next ? SWT.TRAVERSE_ARROW_NEXT : SWT.TRAVERSE_ARROW_PREVIOUS; - break; - } - case 116: /* Page up */ - case 121: /* Page down */ { - all = true; - int [] modifiers = new int [1]; - OS.GetEventParameter (theEvent, OS.kEventParamKeyModifiers, OS.typeUInt32, null, 4, null, modifiers); - if ((modifiers [0] & OS.controlKey) == 0) return false; - detail = key == 121 /* Page down */ ? SWT.TRAVERSE_PAGE_NEXT : SWT.TRAVERSE_PAGE_PREVIOUS; - break; - } - default: - return false; - } - Event event = new Event (); - event.doit = consume [0] = (code & detail) != 0; - event.detail = detail; - if (!setKeyState (event, SWT.Traverse, theEvent)) 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; -} - -int traversalCode (int key, int theEvent) { - int code = SWT.TRAVERSE_RETURN | SWT.TRAVERSE_TAB_NEXT | SWT.TRAVERSE_TAB_PREVIOUS; - Shell shell = getShell (); - if (shell.parent != null) code |= SWT.TRAVERSE_ESCAPE; - return code; -} - -boolean traverseMnemonic (char key) { - 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 traverse (Event event) { - 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); - case SWT.TRAVERSE_PAGE_NEXT: return traversePage (true); - case SWT.TRAVERSE_PAGE_PREVIOUS: return traversePage (false); - } - return false; -} - -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 traverseReturn () { - return false; -} - -boolean traversePage (boolean next) { - return false; -} - -boolean traverseMnemonic (Event event) { - return false; -} - -/** - * Forces all outstanding paint requests for the widget - * to be processed before this method returns. If there - * are no outstanding paint request, this method does - * nothing. - * <p> - * Note: This method does not cause a redraw. - * </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 #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 - not all - if (display.inPaint) return; - OS.HIViewRender (handle); - if (isDisposed()) return; - OS.HIWindowFlush (OS.GetControlOwner (handle)); -} - -void updateBackgroundMode () { - int oldState = state & PARENT_BACKGROUND; - checkBackground (); - if (oldState != (state & PARENT_BACKGROUND)) { - setBackground (); - } -} - -void updateLayout (boolean all) { - /* Do nothing */ -} - -} - |