| /******************************************************************************* |
| * Copyright (c) 2000, 2008 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> |
| */ |
| 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 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. |
| * |
| * @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 no tool tip text should be shown. |
| * |
| * @param string the new tool tip text (or null) |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setToolTipText (String string) { |
| checkWidget(); |
| toolTipText = string; |
| 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 */ |
| } |
| |
| } |
| |
