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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Control.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Control.java | 4114 |
1 files changed, 0 insertions, 4114 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Control.java b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Control.java deleted file mode 100755 index c3666bc092..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/Control.java +++ /dev/null @@ -1,4114 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2009 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.widgets; - -import org.eclipse.swt.*; -import org.eclipse.swt.accessibility.*; -import org.eclipse.swt.events.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.internal.*; -import org.eclipse.swt.internal.cocoa.*; - -/** - * Control is the abstract superclass of all windowed user interface classes. - * <p> - * <dl> - * <dt><b>Styles:</b> - * <dd>BORDER</dd> - * <dd>LEFT_TO_RIGHT, RIGHT_TO_LEFT</dd> - * <dt><b>Events:</b> - * <dd>DragDetect, FocusIn, FocusOut, Help, KeyDown, KeyUp, MenuDetect, MouseDoubleClick, MouseDown, MouseEnter, - * MouseExit, MouseHover, MouseUp, MouseMove, Move, Paint, Resize, Traverse</dd> - * </dl> - * </p><p> - * Only one of LEFT_TO_RIGHT or RIGHT_TO_LEFT may be specified. - * </p><p> - * IMPORTANT: This class is intended to be subclassed <em>only</em> - * within the SWT implementation. - * </p> - * - * @see <a href="http://www.eclipse.org/swt/snippets/#control">Control snippets</a> - * @see <a href="http://www.eclipse.org/swt/examples.php">SWT Example: ControlExample</a> - * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> - * @noextend This class is not intended to be subclassed by clients. - */ -public abstract class Control extends Widget implements Drawable { - /** - * the handle to the OS resource - * (Warning: This field is platform dependent) - * <p> - * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT - * public API. It is marked public only so that it can be shared - * within the packages provided by SWT. It is not available on all - * platforms and should never be accessed from application code. - * </p> - */ - public NSView view; - Composite parent; - String toolTipText; - Object layoutData; - int drawCount; - Menu menu; - float /*double*/ [] foreground, background; - Image backgroundImage; - Font font; - Cursor cursor; - Region region; - NSBezierPath regionPath; - int /*long*/ visibleRgn; - Accessible accessible; - - final static int CLIPPING = 1 << 10; - final static int VISIBLE_REGION = 1 << 12; - - /** - * Magic number comes from experience. There's no API for this value in Cocoa or Carbon. - */ - static final int DEFAULT_DRAG_HYSTERESIS = 5; - -Control () { - /* Do nothing */ -} - -/** - * Constructs a new instance of this class given its parent - * and a style value describing its behavior and appearance. - * <p> - * The style value is either one of the style constants defined in - * class <code>SWT</code> which is applicable to instances of this - * class, or must be built by <em>bitwise OR</em>'ing together - * (that is, using the <code>int</code> "|" operator) two or more - * of those <code>SWT</code> style constants. The class description - * lists the style constants that are applicable to the class. - * Style bits are also inherited from superclasses. - * </p> - * - * @param parent a composite control which will be the parent of the new instance (cannot be null) - * @param style the style of control to construct - * - * @exception IllegalArgumentException <ul> - * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> - * </ul> - * @exception SWTException <ul> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> - * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> - * </ul> - * - * @see SWT#BORDER - * @see SWT#LEFT_TO_RIGHT - * @see SWT#RIGHT_TO_LEFT - * @see Widget#checkSubclass - * @see Widget#getStyle - */ -public Control (Composite parent, int style) { - super (parent, style); - this.parent = parent; - createWidget (); -} - -boolean acceptsFirstMouse (int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - Shell shell = getShell (); - if ((shell.style & SWT.ON_TOP) != 0) return true; - return super.acceptsFirstMouse (id, sel, theEvent); -} - -int /*long*/ accessibilityActionNames(int /*long*/ id, int /*long*/ sel) { - if (accessible != null) { - NSArray returnValue = accessible.internal_accessibilityActionNames(ACC.CHILDID_SELF); - if (returnValue != null) return returnValue.id; - } - - return super.accessibilityActionNames(id, sel); -} - -int /*long*/ accessibilityAttributeNames(int /*long*/ id, int /*long*/ sel) { - - if (id == view.id || (view instanceof NSControl && ((NSControl)view).cell() != null && ((NSControl)view).cell().id == id)) { - if (accessible != null) { - - // First, see if the accessible is going to define a set of attributes for the control. - // If it does, return that. - NSArray returnValue = accessible.internal_accessibilityAttributeNames(ACC.CHILDID_SELF); - if (returnValue != null) return returnValue.id; - - // If not, see if it will override or augment the standard list. - // Help, title, and description can be overridden. - NSMutableArray extraAttributes = NSMutableArray.arrayWithCapacity(3); - extraAttributes.addObject(OS.NSAccessibilityHelpAttribute); - extraAttributes.addObject(OS.NSAccessibilityDescriptionAttribute); - extraAttributes.addObject(OS.NSAccessibilityTitleAttribute); - - for (int i = (int)/*64*/extraAttributes.count() - 1; i >= 0; i--) { - NSString attribute = new NSString(extraAttributes.objectAtIndex(i).id); - if (accessible.internal_accessibilityAttributeValue(attribute, ACC.CHILDID_SELF) == null) { - extraAttributes.removeObjectAtIndex(i); - } - } - - if (extraAttributes.count() > 0) { - int /*long*/ superResult = super.accessibilityAttributeNames(id, sel); - NSArray baseAttributes = new NSArray(superResult); - NSMutableArray mutableAttributes = NSMutableArray.arrayWithCapacity(baseAttributes.count() + 1); - mutableAttributes.addObjectsFromArray(baseAttributes); - - for (int i = 0; i < extraAttributes.count(); i++) { - id currAttribute = extraAttributes.objectAtIndex(i); - if (!mutableAttributes.containsObject(currAttribute)) { - mutableAttributes.addObject(currAttribute); - } - } - - return mutableAttributes.id; - } - } - } - - return super.accessibilityAttributeNames(id, sel); -} - -int /*long*/ accessibilityParameterizedAttributeNames(int /*long*/ id, int /*long*/ sel) { - - if (id == view.id || (view instanceof NSControl && ((NSControl)view).cell() != null && ((NSControl)view).cell().id == id)) { - if (accessible != null) { - NSArray returnValue = accessible.internal_accessibilityParameterizedAttributeNames(ACC.CHILDID_SELF); - if (returnValue != null) return returnValue.id; - } - } - - return super.accessibilityParameterizedAttributeNames(id, sel); -} - -int /*long*/ accessibilityFocusedUIElement(int /*long*/ id, int /*long*/ sel) { - id returnValue = null; - - if (id == view.id || (view instanceof NSControl && ((NSControl)view).cell() != null && ((NSControl)view).cell().id == id)) { - if (accessible != null) { - returnValue = accessible.internal_accessibilityFocusedUIElement(ACC.CHILDID_SELF); - } - } - - // If we had an accessible and it didn't handle the attribute request, let the - // superclass handle it. - if (returnValue == null) - return super.accessibilityFocusedUIElement(id, sel); - else - return returnValue.id; -} - -int /*long*/ accessibilityHitTest(int /*long*/ id, int /*long*/ sel, NSPoint point) { - id returnValue = null; - - if (id == view.id || (view instanceof NSControl && ((NSControl)view).cell() != null && ((NSControl)view).cell().id == id)) { - if (accessible != null) { - returnValue = accessible.internal_accessibilityHitTest(point, ACC.CHILDID_SELF); - } - } - - // If we had an accessible and it didn't handle the attribute request, let the - // superclass handle it. - if (returnValue == null) - return super.accessibilityHitTest(id, sel, point); - else - return returnValue.id; -} - -int /*long*/ accessibilityAttributeValue(int /*long*/ id, int /*long*/ sel, int /*long*/ arg0) { - NSString attribute = new NSString(arg0); - int /*long*/ returnValue = 0; - id returnObject = null; - - if (accessible != null) { - returnObject = accessible.internal_accessibilityAttributeValue(attribute, ACC.CHILDID_SELF); - } - - // If we had an accessible and it didn't handle the attribute request, let the - // superclass handle it. - if (returnObject == null) { - returnValue = super.accessibilityAttributeValue(id, sel, arg0); - } else { - returnValue = returnObject.id; - } - - return returnValue; -} - -int /*long*/ accessibilityAttributeValue_forParameter(int /*long*/ id, int /*long*/ sel, int /*long*/ arg0, int /*long*/ arg1) { - NSString attribute = new NSString(arg0); - - id returnValue = null; - - if (accessible != null) { - id parameter = new id(arg1); - returnValue = accessible.internal_accessibilityAttributeValue_forParameter(attribute, parameter, ACC.CHILDID_SELF); - } - - // If we had an accessible and it didn't handle the attribute request, let the - // superclass handle it. - if (returnValue == null) - return super.accessibilityAttributeValue_forParameter(id, sel, arg0, arg1); - else - return returnValue.id; -} - -/** - * 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); -} - -static final double SYNTHETIC_BOLD = -2.5; -static final double SYNTHETIC_ITALIC = 0.2; - -void addTraits(NSMutableDictionary dict, Font font) { - if ((font.extraTraits & OS.NSBoldFontMask) != 0) { - dict.setObject(NSNumber.numberWithDouble(SYNTHETIC_BOLD), OS.NSStrokeWidthAttributeName); - } - if ((font.extraTraits & OS.NSItalicFontMask) != 0) { - dict.setObject(NSNumber.numberWithDouble(SYNTHETIC_ITALIC), OS.NSObliquenessAttributeName); - } -} - -/** - * 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); -} - -boolean becomeFirstResponder (int /*long*/ id, int /*long*/ sel) { - if ((state & DISABLED) != 0) return false; - return super.becomeFirstResponder (id, sel); -} - -void calculateVisibleRegion (NSView view, int /*long*/ visibleRgn, boolean clipChildren) { - int /*long*/ tempRgn = OS.NewRgn (); - if (!view.isHiddenOrHasHiddenAncestor() && isDrawing()) { - int /*long*/ childRgn = OS.NewRgn (); - NSWindow window = view.window (); - NSView contentView = window.contentView(); - NSView frameView = contentView.superview(); - NSRect bounds = contentView.visibleRect(); - bounds = contentView.convertRect_toView_(bounds, view); - short[] rect = new short[4]; - OS.SetRect(rect, (short)bounds.x, (short)bounds.y, (short)(bounds.x + bounds.width), (short)(bounds.y + bounds.height)); - OS.RectRgn(visibleRgn, rect); - NSView tempView = view, lastControl = null; - while (tempView.id != frameView.id) { - bounds = tempView.visibleRect(); - bounds = tempView.convertRect_toView_(bounds, view); - OS.SetRect(rect, (short)bounds.x, (short)bounds.y, (short)(bounds.x + bounds.width), (short)(bounds.y + bounds.height)); - OS.RectRgn(tempRgn, rect); - OS.SectRgn (tempRgn, visibleRgn, visibleRgn); - if (OS.EmptyRgn (visibleRgn)) break; - if (clipChildren || tempView.id != view.id) { - NSArray subviews = tempView.subviews(); - int /*long*/ count = subviews.count(); - for (int i = 0; i < count; i++) { - NSView child = new NSView (subviews.objectAtIndex(count - i - 1)); - if (lastControl != null && child.id == lastControl.id) break; - if (child.isHidden()) continue; - bounds = child.visibleRect(); - bounds = child.convertRect_toView_(bounds, view); - OS.SetRect(rect, (short)bounds.x, (short)bounds.y, (short)(bounds.x + bounds.width), (short)(bounds.y + bounds.height)); - OS.RectRgn(tempRgn, rect); - OS.UnionRgn (tempRgn, childRgn, childRgn); - } - } - lastControl = tempView; - tempView = tempView.superview(); - } - OS.DiffRgn (visibleRgn, childRgn, visibleRgn); - OS.DisposeRgn (childRgn); - } else { - OS.CopyRgn (tempRgn, visibleRgn); - } - OS.DisposeRgn (tempRgn); -} - -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; -} - -void checkToolTip (Widget target) { - if (isVisible () && display.tooltipControl == this && (target == null || display.tooltipTarget == target)) { - Shell shell = getShell (); - shell.sendToolTipEvent (false); - shell.sendToolTipEvent (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> - * - * @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); -} - -Widget computeTabGroup () { - if (isTabGroup()) return this; - return parent.computeTabGroup (); -} - -Widget[] computeTabList() { - if (isTabGroup()) { - if (getVisible() && getEnabled()) { - return new Widget[] {this}; - } - } - return new Widget[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 (); -} - -NSView contentView () { - return view; -} - -NSAttributedString createString (String string, Font font, float /*double*/ [] foreground, int style, boolean enabled, boolean mnemonics) { - NSMutableDictionary dict = ((NSMutableDictionary)new NSMutableDictionary().alloc()).initWithCapacity(5); - if (font == null) font = this.font != null ? this.font : defaultFont(); - dict.setObject (font.handle, OS.NSFontAttributeName); - addTraits(dict, font); - if (enabled) { - if (foreground != null) { - NSColor color = NSColor.colorWithDeviceRed(foreground[0], foreground[1], foreground[2], foreground[3]); - dict.setObject (color, OS.NSForegroundColorAttributeName); - } - } else { - dict.setObject (NSColor.disabledControlTextColor (), OS.NSForegroundColorAttributeName); - } - if (style != 0) { - NSMutableParagraphStyle paragraphStyle = (NSMutableParagraphStyle)new NSMutableParagraphStyle ().alloc ().init (); - paragraphStyle.setLineBreakMode (OS.NSLineBreakByClipping); - int alignment = SWT.LEFT; - if ((style & SWT.CENTER) != 0) { - alignment = OS.NSCenterTextAlignment; - } else if ((style & SWT.RIGHT) != 0) { - alignment = OS.NSRightTextAlignment; - } - paragraphStyle.setAlignment (alignment); - dict.setObject (paragraphStyle, OS.NSParagraphStyleAttributeName); - paragraphStyle.release (); - } - int length = string.length (); - char [] chars = new char [length]; - string.getChars (0, chars.length, chars, 0); - if (mnemonics) length = fixMnemonic (chars); - NSString str = ((NSString)new NSString().alloc()).initWithCharacters(chars, length); - NSAttributedString attribStr = ((NSAttributedString) new NSAttributedString ().alloc ()).initWithString (str, dict); - str.release(); - dict.release(); - return attribStr; -} - -void createWidget () { - state |= DRAG_DETECT; - checkOrientation (parent); - super.createWidget (); - checkBackground (); - checkBuffered (); - setDefaultFont (); - setZOrder (); - setRelations (); - display.clearPool (); -} - -Color defaultBackground () { - return display.getWidgetColor (SWT.COLOR_WIDGET_BACKGROUND); -} - -Font defaultFont () { - if (display.smallFonts) return display.getSystemFont (); - return Font.cocoa_new (display, defaultNSFont ()); -} - -Color defaultForeground () { - return display.getWidgetColor (SWT.COLOR_WIDGET_FOREGROUND); -} - -NSFont defaultNSFont () { - return display.getSystemFont().handle; -} - -void deregister () { - super.deregister (); - display.removeWidget (view); -} - -void destroyWidget () { - NSView view = topView (); - view.removeFromSuperview (); - releaseHandle (); -} - -void doCommandBySelector (int /*long*/ id, int /*long*/ sel, int /*long*/ selector) { - if (view.window ().firstResponder ().id == id) { - if (imeInComposition ()) return; - Shell s = this.getShell(); - NSEvent nsEvent = NSApplication.sharedApplication ().currentEvent (); - if (nsEvent != null && nsEvent.type () == OS.NSKeyDown) { - /* - * Feature in Cocoa. Pressing Alt+UpArrow invokes doCommandBySelector - * twice, with selectors moveBackward and moveToBeginningOfParagraph - * (Alt+DownArrow behaves similarly). In order to avoid sending - * multiple events for these keys, do not send a KeyDown if we already sent one - * during this keystroke. This rule does not apply if the command key - * is down, because we likely triggered the current key sequence via flagsChanged. - */ - int /*long*/ modifiers = nsEvent.modifierFlags(); - if (s.keyInputHappened == false || (modifiers & OS.NSCommandKeyMask) != 0) { - s.keyInputHappened = true; - boolean [] consume = new boolean [1]; - if (translateTraversal (nsEvent.keyCode (), nsEvent, consume)) return; - if (isDisposed ()) return; - if (!sendKeyEvent (nsEvent, SWT.KeyDown)) return; - if (consume [0]) return; - } - } - if ((state & CANVAS) != 0) return; - } - super.doCommandBySelector (id, sel, selector); -} - -/** - * 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) { - /** - * Feature in Cocoa. Mouse drag events do not account for hysteresis. - * As soon as the mouse drags a mouse dragged event is fired. Fix is to - * check for another mouse drag event that is at least 5 pixels away - * from the start of the drag. - */ - NSApplication application = NSApplication.sharedApplication(); - boolean dragging = false; - int /*long*/ eventType = OS.NSLeftMouseDown; - float /*double*/ dragX = x; - float /*double*/ dragY = y; - - /** - * To check for an actual drag we need to pull off mouse moved and mouse up events - * to detect if the user dragged outside of a 10 x 10 box centered on the mouse down location. - * We still want the view to see the events, so save them and re-post when done checking. - */ - NSEvent mouseUpEvent = null; - NSMutableArray dragEvents = NSMutableArray.arrayWithCapacity(10); - - while (eventType != OS.NSLeftMouseUp) { - NSEvent event = application.nextEventMatchingMask((OS.NSLeftMouseUpMask | OS.NSLeftMouseDraggedMask), - NSDate.distantFuture(), OS.NSEventTrackingRunLoopMode, true); - eventType = event.type(); - - if (eventType == OS.NSLeftMouseDragged) { - dragEvents.addObject(event); - NSPoint windowLoc = event.locationInWindow(); - NSPoint viewLoc = view.convertPoint_fromView_(windowLoc, null); - if (!view.isFlipped ()) { - viewLoc.y = view.bounds().height - viewLoc.y; - } - if ((Math.abs(viewLoc.x - dragX) > DEFAULT_DRAG_HYSTERESIS) || (Math.abs(viewLoc.y - dragY) > DEFAULT_DRAG_HYSTERESIS)) { - dragging = true; - break; - } - } else if (eventType == OS.NSLeftMouseUp) { - mouseUpEvent = event; - } - } - - // Push back any events we took out of the queue so the control can receive them. - if (mouseUpEvent != null) application.postEvent(mouseUpEvent, true); - - if (dragEvents.count() > 0) { - while (dragEvents.count() > 0) { - NSEvent currEvent = new NSEvent(dragEvents.objectAtIndex(dragEvents.count() - 1).id); - dragEvents.removeLastObject(); - application.postEvent(currEvent, true); - } - } - - return dragging; -} - -boolean drawGripper (int x, int y, int width, int height, boolean vertical) { - return false; -} - -void drawWidget (int /*long*/ id, NSGraphicsContext context, NSRect rect) { - if (id != paintView().id) return; - if (!hooks (SWT.Paint) && !filters (SWT.Paint)) return; - - /* Send paint event */ - GCData data = new GCData (); - data.paintRect = rect; - GC gc = GC.cocoa_new (this, data); - Event event = new Event (); - event.gc = gc; - event.x = (int)rect.x; - event.y = (int)rect.y; - event.width = (int)rect.width; - event.height = (int)rect.height; - sendEvent (SWT.Paint, event); - event.gc = null; - gc.dispose (); -} - -void enableWidget (boolean enabled) { - if (view instanceof NSControl) { - ((NSControl)view).setEnabled(enabled); - } - updateCursorRects (isEnabled ()); -} - -boolean equals(float /*double*/ [] color1, float /*double*/ [] 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; -} - -NSView eventView () { - return view; -} - -void fillBackground (NSView view, NSGraphicsContext context, NSRect rect, int imgHeight) { - Control control = findBackgroundControl(); - if (control == null) control = this; - Image image = control.backgroundImage; - if (image != null && !image.isDisposed()) { - context.saveGraphicsState(); - NSColor.colorWithPatternImage(image.handle).setFill(); - NSPoint phase = new NSPoint(); - NSView controlView = control.view; - if (imgHeight == -1) { - NSView contentView = controlView.window().contentView(); - phase = controlView.convertPoint_toView_(phase, contentView); - phase.y = contentView.bounds().height - phase.y; - } else { - phase = view.convertPoint_toView_(phase, controlView); - phase.y += imgHeight - backgroundImage.getBounds().height; - } - context.setPatternPhase(phase); - NSBezierPath.fillRect(rect); - context.restoreGraphicsState(); - return; - } - - float /*double*/ [] background = control.background; - float /*double*/ alpha; - if (background == null) { - background = control.defaultBackground ().handle; - alpha = getThemeAlpha (); - } else { - alpha = background[3]; - } - context.saveGraphicsState (); - NSColor.colorWithDeviceRed (background [0], background [1], background [2], alpha).setFill (); - NSBezierPath.fillRect (rect); - context.restoreGraphicsState (); -} - -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]; -} - -Widget findTooltip (NSPoint pt) { - return this; -} - -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); -} - -void flagsChanged (int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (view.window ().firstResponder ().id == id) { - if ((state & SAFARI_EVENTS_FIX) == 0) { - Shell s = this.getShell(); - s.keyInputHappened = false; - int mask = 0; - NSEvent nsEvent = new NSEvent (theEvent); - int /*long*/ modifiers = nsEvent.modifierFlags (); - int keyCode = Display.translateKey (nsEvent.keyCode ()); - switch (keyCode) { - case SWT.ALT: mask = OS.NSAlternateKeyMask; break; - case SWT.CONTROL: mask = OS.NSControlKeyMask; break; - case SWT.COMMAND: mask = OS.NSCommandKeyMask; break; - case SWT.SHIFT: mask = OS.NSShiftKeyMask; break; - case SWT.CAPS_LOCK: - Event event = new Event(); - event.keyCode = keyCode; - setInputState (event, nsEvent, SWT.KeyDown); - sendKeyEvent (SWT.KeyDown, event); - setInputState (event, nsEvent, SWT.KeyUp); - sendKeyEvent (SWT.KeyUp, event); - break; - } - if (mask != 0) { - s.keyInputHappened = true; - int type = (mask & modifiers) != 0 ? SWT.KeyDown : SWT.KeyUp; - if (type == SWT.KeyDown) s.keyInputHappened = true; - Event event = new Event(); - event.keyCode = keyCode; - setInputState (event, nsEvent, type); - if (!sendKeyEvent (type, event)) return; - } - } - } - super.flagsChanged (id, sel, theEvent); -} - -NSView focusView () { - return view; -} - -/** - * 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); - NSView focusView = focusView (); - if (!focusView.canBecomeKeyView()) return false; - boolean result = view.window ().makeFirstResponder (focusView); - if (isDisposed ()) return false; - shell.bringToTop (false); - if (isDisposed ()) return false; - shell.setSavedFocus (this); - return result; -} - -/** - * Returns the accessible object for the receiver. - * If this is the first time this object is requested, - * then the object is created and returned. - * - * @return the accessible object - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - * - * @see Accessible#addAccessibleListener - * @see Accessible#addAccessibleControlListener - * - * @since 2.0 - */ -public Accessible getAccessible () { - checkWidget (); - if (accessible == null) accessible = new_Accessible (this); - return accessible; -} - -/** - * Returns the receiver's background color. - * <p> - * Note: This operation is a hint and may be overridden by the platform. - * For example, on some versions of Windows the background of a TabFolder, - * is a gradient rather than a solid color. - * </p> - * @return the background color - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public Color getBackground () { - checkWidget(); - Control control = findBackgroundControl (); - if (control == null) control = this; - return control.getBackgroundColor (); -} - -Color getBackgroundColor () { - return background != null ? Color.cocoa_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(); - NSRect rect = topView().frame(); - return new Rectangle((int)rect.x, (int)rect.y, (int)rect.width, (int)rect.height); -} - -/** - * 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.cocoa_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(); - NSRect rect = topView().frame(); - return new Point((int)rect.x, (int)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; -} - -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; -} - -NSBezierPath getPath(Region region) { - if (region == null) return null; - return getPath(region.handle); -} - -NSBezierPath getPath(int /*long*/ region) { - Callback callback = new Callback(this, "regionToRects", 4); - if (callback.getAddress() == 0) SWT.error(SWT.ERROR_NO_MORE_CALLBACKS); - NSBezierPath path = NSBezierPath.bezierPath(); - path.retain(); - OS.QDRegionToRects(region, OS.kQDParseRegionFromTopLeft, callback.getAddress(), path.id); - callback.dispose(); - if (path.isEmpty()) path.appendBezierPathWithRect(new NSRect()); - return path; -} - -/** - * 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(); - NSRect rect = topView().frame(); - return new Point((int)rect.width, (int)rect.height); -} - -float getThemeAlpha () { - return 1 * parent.getThemeAlpha (); -} - -/** - * Returns the receiver's tool tip text, or null if it has - * not been set. - * - * @return the receiver's tool tip text - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public String getToolTipText () { - checkWidget(); - return toolTipText; -} - -/** - * Returns <code>true</code> if the receiver is visible, and - * <code>false</code> otherwise. - * <p> - * If one of the receiver's ancestors is not visible or some - * other condition makes the receiver not visible, this method - * may still indicate that it is considered visible even though - * it may not actually be showing. - * </p> - * - * @return the receiver's visibility state - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public boolean getVisible () { - checkWidget(); - return (state & HIDDEN) == 0; -} - -int /*long*/ getVisibleRegion () { - if (visibleRgn == 0) { - visibleRgn = OS.NewRgn (); - calculateVisibleRegion (view, visibleRgn, true); - } - int /*long*/ result = OS.NewRgn (); - OS.CopyRgn (visibleRgn, result); - return result; -} - -boolean hasBorder () { - return (style & SWT.BORDER) != 0; -} - -boolean hasFocus () { - return display.getFocusControl() == this; -} - -int /*long*/ hitTest (int /*long*/ id, int /*long*/ sel, NSPoint point) { - if ((state & DISABLED) != 0) return 0; - if (!isActive ()) return 0; - if (regionPath != null) { - NSView superview = new NSView(id).superview(); - if (superview != null) { - NSPoint pt = superview.convertPoint_toView_(point, view); - if (!view.isFlipped ()) { - pt.y = view.bounds().height - pt.y; - } - if (!regionPath.containsPoint(pt)) return 0; - } - } - return super.hitTest(id, sel, point); -} - -boolean imeInComposition () { - return false; -} - -boolean insertText (int /*long*/ id, int /*long*/ sel, int /*long*/ string) { - if (view.window ().firstResponder ().id == id) { - Shell s = this.getShell(); - NSEvent nsEvent = NSApplication.sharedApplication ().currentEvent (); - if (nsEvent != null) { - int /*long*/ type = nsEvent.type (); - if ((!s.keyInputHappened && type == OS.NSKeyDown) || type == OS.NSSystemDefined) { - NSString str = new NSString (string); - if (str.isKindOfClass (OS.objc_getClass ("NSAttributedString"))) { - str = new NSAttributedString (string).string (); - } - int length = (int)/*64*/str.length (); - char[] buffer = new char [length]; - str.getCharacters(buffer); - for (int i = 0; i < buffer.length; i++) { - s.keyInputHappened = true; - Event event = new Event (); - if (i == 0 && type == OS.NSKeyDown) setKeyState (event, SWT.KeyDown, nsEvent); - event.character = buffer [i]; - if (!sendKeyEvent (SWT.KeyDown, event)) return false; - } - } - } - if ((state & CANVAS) != 0) return true; - } - return super.insertText (id, sel, string); -} - -/** - * 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 /*long*/ internal_new_GC (GCData data) { - checkWidget(); - NSView view = paintView(); - int /*long*/ context = 0; - if (data != null && data.paintRect != null) { - NSGraphicsContext graphicsContext = NSGraphicsContext.currentContext(); - context = graphicsContext.id; - if (!view.isFlipped()) data.state &= ~VISIBLE_REGION; - } else { - NSGraphicsContext graphicsContext = NSGraphicsContext.graphicsContextWithWindow (view.window ()); - NSGraphicsContext flippedContext = NSGraphicsContext.graphicsContextWithGraphicsPort(graphicsContext.graphicsPort(), true); - graphicsContext = flippedContext; - context = graphicsContext.id; - if (data != null) { - data.flippedContext = flippedContext; - data.state &= ~VISIBLE_REGION; - data.visibleRgn = getVisibleRegion(); - display.addContext (data); - } - } - 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.view = view; - data.foreground = getForegroundColor ().handle; - Control control = findBackgroundControl (); - if (control == null) control = this; - data.background = control.getBackgroundColor ().handle; - data.font = font != null ? font : defaultFont (); - } - 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 /*long*/ context, GCData data) { - checkWidget (); - NSGraphicsContext graphicsContext = new NSGraphicsContext (context); - display.removeContext (data); - if (data != null) { - if (data.paintRect == null) graphicsContext.flushGraphics (); - if (data.visibleRgn != 0) OS.DisposeRgn(data.visibleRgn); - data.visibleRgn = 0; - } -} - -void invalidateChildrenVisibleRegion () { -} - -void invalidateVisibleRegion () { - 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 (); - sibling.invalidateChildrenVisibleRegion (); - } - parent.resetVisibleRegion (); -} - -boolean isActive () { - return getShell().getModalShell() == null; -} - -/* - * 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 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 (); -} - -boolean isObscured () { - int /*long*/ visibleRgn = getVisibleRegion(), boundsRgn = OS.NewRgn(); - short[] rect = new short[4]; - NSRect bounds = view.visibleRect(); - OS.SetRect(rect, (short)bounds.x, (short)bounds.y, (short)(bounds.x + bounds.width), (short)(bounds.y + bounds.height)); - OS.RectRgn(boundsRgn, rect); - OS.DiffRgn(boundsRgn, visibleRgn, boundsRgn); - boolean obscured = !OS.EmptyRgn (boundsRgn); - OS.DisposeRgn(boundsRgn); - OS.DisposeRgn(visibleRgn); - return obscured; -} - -/** - * 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, null); - 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, null); - return (code & (SWT.TRAVERSE_ARROW_PREVIOUS | SWT.TRAVERSE_ARROW_NEXT)) != 0; -} - -boolean isTrim (NSView view) { - return false; -} - -/** - * 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 (); -} - -void keyDown (int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (view.window ().firstResponder ().id == id) { - Shell s = this.getShell(); - s.keyInputHappened = false; - boolean textInput = OS.objc_msgSend (id, OS.sel_conformsToProtocol_, OS.objc_getProtocol ("NSTextInput")) != 0; - if (!textInput) { - // Not a text field, so send a key event here. - NSEvent nsEvent = new NSEvent (theEvent); - boolean [] consume = new boolean [1]; - if (translateTraversal (nsEvent.keyCode (), nsEvent, consume)) return; - if (isDisposed ()) return; - if (!sendKeyEvent (nsEvent, SWT.KeyDown)) return; - if (consume [0]) return; - } else { - // Control is some kind of text field, so the key event will be sent from insertText: or doCommandBySelector: - super.keyDown (id, sel, theEvent); - - if (imeInComposition ()) return; - // If none of those methods triggered a key event send one now. - if (!s.keyInputHappened) { - NSEvent nsEvent = new NSEvent (theEvent); - boolean [] consume = new boolean [1]; - if (translateTraversal (nsEvent.keyCode (), nsEvent, consume)) return; - if (isDisposed ()) return; - if (!sendKeyEvent (nsEvent, SWT.KeyDown)) return; - if (consume [0]) return; - } - - return; - } - } - super.keyDown (id, sel, theEvent); -} - -void keyUp (int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (view.window ().firstResponder ().id == id) { - NSEvent nsEvent = new NSEvent (theEvent); - if (!sendKeyEvent (nsEvent, SWT.KeyUp)) return; - } - super.keyUp (id, sel, theEvent); -} - -void markLayout (boolean changed, boolean all) { - /* Do nothing */ -} - -int /*long*/ menuForEvent (int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!isEnabled ()) return 0; - - NSPoint pt = NSEvent.mouseLocation(); - pt.y = (int) (display.getPrimaryFrame().height - pt.y); - int x = (int) pt.x; - int y = (int) pt.y; - Event event = new Event (); - event.x = x; - event.y = y; - sendEvent (SWT.MenuDetect, event); - //widget could be disposed at this point - if (isDisposed ()) return 0; - if (!event.doit) return 0; - Menu menu = getMenu (); - if (menu != null && !menu.isDisposed ()) { - if (x != event.x || y != event.y) { - menu.setLocation (event.x, event.y); - } - menu.setVisible(true); - return 0; - } - return super.menuForEvent (id, sel, theEvent); -} - -Decorations menuShell () { - return parent.menuShell (); -} - -void scrollWheel (int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (id == view.id) { - if (hooks (SWT.MouseWheel) || filters (SWT.MouseWheel)) { - NSEvent nsEvent = new NSEvent(theEvent); - if (nsEvent.deltaY() != 0) { - if (!sendMouseEvent(nsEvent, SWT.MouseWheel, true)) { - return; - } - } - } - } - super.scrollWheel(id, sel, theEvent); -} - -boolean isEventView (int /*long*/ id) { - return true; -} - -boolean mouseEvent (int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent, int type) { - if (!display.sendEvent) return true; - display.sendEvent = false; - if (!isEventView (id)) return true; - boolean dragging = false; - boolean[] consume = null; - NSEvent nsEvent = new NSEvent(theEvent); - int nsType = (int)/*64*/nsEvent.type(); - NSInputManager manager = NSInputManager.currentInputManager (); - if (manager != null && manager.wantsToHandleMouseEvents ()) { - if (manager.handleMouseEvent (nsEvent)) { - return true; - } - } - switch (nsType) { - case OS.NSLeftMouseDown: - if (nsEvent.clickCount() == 1 && (state & DRAG_DETECT) != 0 && hooks (SWT.DragDetect)) { - consume = new boolean[1]; - NSPoint location = view.convertPoint_fromView_(nsEvent.locationInWindow(), null); - if (!view.isFlipped ()) { - location.y = view.bounds().height - location.y; - } - dragging = dragDetect((int)location.x, (int)location.y, false, consume); - } - break; - case OS.NSLeftMouseDragged: - case OS.NSRightMouseDragged: - case OS.NSOtherMouseDragged: - display.checkEnterExit (this, nsEvent, false); - break; - case OS.NSLeftMouseUp: - case OS.NSRightMouseUp: - case OS.NSOtherMouseUp: - display.checkEnterExit (display.findControl(true), nsEvent, false); - break; - } - sendMouseEvent (nsEvent, type, false); - if (type == SWT.MouseDown && nsEvent.clickCount() == 2) { - sendMouseEvent (nsEvent, SWT.MouseDoubleClick, false); - } - if (dragging) sendMouseEvent(nsEvent, SWT.DragDetect, false); - if (consume != null && consume[0]) return false; - return true; -} - -void mouseDown(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!mouseEvent(id, sel, theEvent, SWT.MouseDown)) return; - boolean tracking = isEventView (id); - Display display = this.display; - if (tracking) display.trackingControl = this; - super.mouseDown(id, sel, theEvent); - if (tracking) display.trackingControl = null; -} - -void mouseUp(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!mouseEvent(id, sel, theEvent, SWT.MouseUp)) return; - super.mouseUp(id, sel, theEvent); -} - -void mouseDragged(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!mouseEvent(id, sel, theEvent, SWT.MouseMove)) return; - super.mouseDragged(id, sel, theEvent); -} - -void rightMouseDown(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!mouseEvent(id, sel, theEvent, SWT.MouseDown)) return; - super.rightMouseDown(id, sel, theEvent); -} - -void rightMouseUp(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!mouseEvent(id, sel, theEvent, SWT.MouseUp)) return; - super.rightMouseUp(id, sel, theEvent); -} - -void rightMouseDragged(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!mouseEvent(id, sel, theEvent, SWT.MouseMove)) return; - super.rightMouseDragged(id, sel, theEvent); -} - -void otherMouseDown(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!mouseEvent(id, sel, theEvent, SWT.MouseDown)) return; - super.otherMouseDown(id, sel, theEvent); -} - -void otherMouseUp(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!mouseEvent(id, sel, theEvent, SWT.MouseUp)) return; - super.otherMouseUp(id, sel, theEvent); -} - -void otherMouseDragged(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!mouseEvent(id, sel, theEvent, SWT.MouseMove)) return; - super.otherMouseDragged(id, sel, theEvent); -} - -void moved () { - sendEvent (SWT.Move); -} - -/** - * 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)); -} - -NSView paintView () { - return eventView (); -} - -/** - * 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); - - gc.handle.saveGraphicsState(); - NSGraphicsContext.setCurrentContext(gc.handle); - NSAffineTransform transform = NSAffineTransform.transform (); - transform.translateXBy (0, view.bounds().height); - transform.scaleXBy (1, -1); - transform.concat (); - view.displayRectIgnoringOpacity(view.bounds(), gc.handle); - gc.handle.restoreGraphicsState(); - return true; -} - -/** - * 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(); - view.setNeedsDisplay(true); -} - -void redraw (boolean children) { -// checkWidget(); - view.setNeedsDisplay(true); -} - -/** - * 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 (); - NSRect rect = new NSRect(); - rect.x = x; - rect.y = y; - rect.width = width; - rect.height = height; - view.setNeedsDisplayInRect(rect); -} - -int /*long*/ regionToRects(int /*long*/ message, int /*long*/ rgn, int /*long*/ r, int /*long*/ path) { - NSPoint pt = new NSPoint(); - short[] rect = new short[4]; - if (message == OS.kQDRegionToRectsMsgParse) { - OS.memmove(rect, r, rect.length * 2); - pt.x = rect[1]; - pt.y = rect[0]; - OS.objc_msgSend(path, OS.sel_moveToPoint_, pt); - pt.x = rect[3]; - OS.objc_msgSend(path, OS.sel_lineToPoint_, pt); - pt.x = rect[3]; - pt.y = rect[2]; - OS.objc_msgSend(path, OS.sel_lineToPoint_, pt); - pt.x = rect[1]; - OS.objc_msgSend(path, OS.sel_lineToPoint_, pt); - OS.objc_msgSend(path, OS.sel_closePath); - } - return 0; -} - -void register () { - super.register (); - display.addWidget (view, 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 (); - if (view != null) view.release(); - view = null; - parent = null; -} - -void releaseParent () { - invalidateVisibleRegion (); - parent.removeControl (this); -} - -void releaseWidget () { - super.releaseWidget (); - if (display.currentControl == this) { - display.currentControl = null; - display.timerExec(-1, display.hoverTimer); - } - if (display.trackingControl == this) display.trackingControl = null; - if (display.tooltipControl == this) display.tooltipControl = null; - if (menu != null && !menu.isDisposed ()) { - menu.dispose (); - } - menu = null; - if (visibleRgn != 0) OS.DisposeRgn (visibleRgn); - visibleRgn = 0; - layoutData = null; - if (accessible != null) { - accessible.internal_dispose_Accessible (); - } - accessible = null; - region = null; - if (regionPath != null) regionPath.release(); - regionPath = 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; - NSObject accessibleElement = focusView(); - - if (accessibleElement instanceof NSControl) { - NSControl viewAsControl = (NSControl) accessibleElement; - if (viewAsControl.cell() != null) accessibleElement = viewAsControl.cell(); - } - - accessibleElement.accessibilitySetOverrideValue(accessibleElement, OS.NSAccessibilityTitleUIElementAttribute); -} - - -/** - * 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 () { - if (visibleRgn != 0) { - OS.DisposeRgn (visibleRgn); - visibleRgn = 0; - } - GCData[] gcs = display.contexts; - if (gcs != null) { - int /*long*/ visibleRgn = 0; - for (int i=0; i<gcs.length; i++) { - GCData data = gcs [i]; - if (data != null) { - if (data.view == view) { - if (visibleRgn == 0) visibleRgn = getVisibleRegion (); - data.state &= ~VISIBLE_REGION; - OS.CopyRgn (visibleRgn, data.visibleRgn); - } - } - } - if (visibleRgn != 0) OS.DisposeRgn (visibleRgn); - } -} - -void resized () { - sendEvent (SWT.Resize); -} - -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; -} - -void sendFocusEvent (int type) { - Display display = this.display; - Shell shell = getShell (); - - display.focusEvent = type; - display.focusControl = this; - sendEvent (type); - // widget could be disposed at this point - display.focusEvent = SWT.None; - display.focusControl = null; - - /* - * 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; - } - } -} - -boolean sendMouseEvent (NSEvent nsEvent, int type, boolean send) { - Shell shell = null; - Event event = new Event (); - switch (type) { - case SWT.MouseDown: - shell = getShell (); - //FALL THROUGH - case SWT.MouseUp: - case SWT.MouseDoubleClick: - case SWT.DragDetect: - int button = (int)/*64*/nsEvent.buttonNumber(); - switch (button) { - case 0: event.button = 1; break; - case 1: event.button = 3; break; - case 2: event.button = 2; break; - case 3: event.button = 4; break; - case 4: event.button = 5; break; - } - break; - case SWT.MouseWheel: - event.detail = SWT.SCROLL_LINE; - float /*double*/ delta = nsEvent.deltaY(); - event.count = delta > 0 ? Math.max (1, (int)delta) : Math.min (-1, (int)delta); - break; - } - if (event.button != 0) event.count = (int)/*64*/nsEvent.clickCount(); - NSPoint windowPoint; - NSView view = eventView (); - if (nsEvent == null || nsEvent.type() == OS.NSMouseMoved) { - NSWindow window = view.window(); - windowPoint = window.convertScreenToBase(NSEvent.mouseLocation()); - } else { - windowPoint = nsEvent.locationInWindow(); - } - NSPoint point = view.convertPoint_fromView_(windowPoint, null); - if (!view.isFlipped ()) { - point.y = view.bounds().height - point.y; - } - event.x = (int) point.x; - event.y = (int) point.y; - setInputState (event, nsEvent, type); - if (send) { - sendEvent (type, event); - if (isDisposed ()) return false; - } else { - postEvent (type, event); - } - if (shell != null) shell.setActiveControl(this); - return event.doit; -} - -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 /*double*/ [] background = color != null ? color.handle : null; - if (equals (background, this.background)) return; - this.background = background; - updateBackground (); - redrawWidget(view, true); -} - -/** - * 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; - updateBackground(); - redrawWidget(view, false); -} - -void updateBackground () { -} - -void setBackground (NSColor nsColor) { -} - -/** - * 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); -} - -void setBounds (int x, int y, int width, int height, boolean move, boolean resize) { - NSView topView = topView(); - if (move && resize) { - NSRect rect = new NSRect(); - rect.x = x; - rect.y = y; - rect.width = width; - rect.height = height; - topView.setFrame (rect); - } else if (move) { - NSPoint point = new NSPoint(); - point.x = x; - point.y = y; - topView.setFrameOrigin(point); - } else if (resize) { - NSSize size = new NSSize(); - size.width = width; - size.height = height; - topView.setFrameSize(size); - } -} - -/** - * 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); -} - -/** - * 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(); -} - -void setClipRegion (float /*double*/ x, float /*double*/ y) { - if (regionPath != null) { - NSAffineTransform transform = NSAffineTransform.transform(); - transform.translateXBy(-x, -y); - regionPath.transformUsingAffineTransform(transform); - regionPath.addClip(); - transform.translateXBy(2*x, 2*y); - regionPath.transformUsingAffineTransform(transform); - } - NSRect frame = topView().frame(); - parent.setClipRegion(frame.x + x, frame.y + y); -} - -/** - * 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; - if (!view.window().areCursorRectsEnabled()) return; - display.setCursor (display.currentControl); -} - -void setDefaultFont () { - if (display.smallFonts) { - setFont (defaultFont ().handle); - setSmallSize (); - } -} - -/** - * 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; - setFont (font != null ? font.handle : defaultFont().handle); -} - -void setFont (NSFont font) { - if (view instanceof NSControl) { - ((NSControl)view).setFont(font); - } -} - -/** - * 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 /*double*/ [] foreground = color != null ? color.handle : null; - if (equals (foreground, this.foreground)) return; - this.foreground = foreground; - setForeground (foreground); - redrawWidget (view, false); -} - -void setForeground (float /*double*/ [] color) { -} - -void setFrameOrigin (int /*long*/ id, int /*long*/ sel, NSPoint point) { - NSView topView = topView (); - if (topView.id != id) { - super.setFrameOrigin(id, sel, point); - return; - } - NSRect frame = topView.frame(); - super.setFrameOrigin(id, sel, point); - if (frame.x != point.x || frame.y != point.y) { - invalidateVisibleRegion(); - moved (); - } -} - -void setFrameSize (int /*long*/ id, int /*long*/ sel, NSSize size) { - NSView topView = topView (); - if (topView.id != id) { - super.setFrameSize(id, sel, size); - return; - } - NSRect frame = topView.frame(); - super.setFrameSize(id, sel, size); - if (frame.width != size.width || frame.height != size.height) { - invalidateVisibleRegion(); - resized (); - } -} - -/** - * 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); -} - -/** - * 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); -} - -/** - * 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); - } - NSView topView = topView (); - topView.retain(); - topView.removeFromSuperview(); - parent.contentView().addSubview(topView, OS.NSWindowBelow, null); - topView.release(); - 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) { - invalidateVisibleRegion (); - redrawWidget(topView (), true); - } - } else { - if (drawCount == 0) { - invalidateVisibleRegion (); - } - 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; - if (regionPath != null) regionPath.release(); - regionPath = getPath(region); - redrawWidget(view, true); -} - -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); - } - } -} - -boolean setRadioSelection (boolean value){ - return false; -} - -/** - * 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); -} - -/** - * 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); -} - -void setSmallSize () { - if (view instanceof NSControl) { - NSCell cell = ((NSControl)view).cell(); - if (cell != null) cell.setControlSize (OS.NSSmallControlSize); - } -} - -boolean setTabItemFocus () { - if (!isShowing ()) return false; - return forceFocus (); -} - -/** - * Sets the receiver's tool tip text to the argument, which - * may be null indicating that the default tool tip for the - * control will be shown. For a control that has a default - * tool tip, such as the Tree control on Windows, setting - * the tool tip text to an empty string replaces the default, - * causing no tool tip text to be shown. - * <p> - * The mnemonic indicator (character '&') is not displayed in a tool tip. - * To display a single '&' in the tool tip, the character '&' can be - * escaped by doubling it in the string. - * </p> - * - * @param string the new tool tip text (or null) - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> - * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> - * </ul> - */ -public void setToolTipText (String string) { - checkWidget(); - toolTipText = string; - checkToolTip (null); -} - -/** - * 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); - } - } - topView().setHidden(!visible); - invalidateVisibleRegion(); - 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 () { - NSView topView = topView (); - parent.contentView().addSubview(topView, OS.NSWindowBelow, null); -} - -boolean shouldDelayWindowOrderingForEvent (int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - Shell shell = getShell (); - if ((shell.style & SWT.ON_TOP) != 0) return false; - return super.shouldDelayWindowOrderingForEvent (id, sel, theEvent); -} - -void setZOrder (Control sibling, boolean above) { - 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 (); - } - } - } - - NSView otherView = sibling == null ? null : sibling.topView (); - view.retain(); - view.removeFromSuperview(); - parent.contentView().addSubview(view, above ? OS.NSWindowAbove : OS.NSWindowBelow, otherView); - view.release(); - invalidateVisibleRegion(); - - /* 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; - } - } - } - } -} - -NSSize textExtent (String string) { - NSAttributedString attribStr = createString(string, null, null, 0, true, false); - NSSize size = attribStr.size(); - attribStr.release(); - return size; -} - -String tooltipText () { - return toolTipText; -} - -/** - * 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(); - return display.map (null, this, 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(); - return display.map (this, null, 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); -} - -NSView topView () { - return view; -} - -boolean translateTraversal (int key, NSEvent 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 /*long*/ modifiers = theEvent.modifierFlags (); - boolean next = (modifiers & OS.NSShiftKeyMask) == 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 /*long*/ modifiers = theEvent.modifierFlags (); - if ((modifiers & OS.NSControlKeyMask) == 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, NSEvent theEvent) { - int code = SWT.TRAVERSE_RETURN | SWT.TRAVERSE_TAB_NEXT | SWT.TRAVERSE_TAB_PREVIOUS | SWT.TRAVERSE_PAGE_NEXT | SWT.TRAVERSE_PAGE_PREVIOUS; - Shell shell = getShell (); - if (shell.parent != null) code |= SWT.TRAVERSE_ESCAPE; - return code; -} - -boolean 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 (); - Widget group = computeTabGroup (); - Widget [] 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) { - Widget widget = list [index]; - if (!widget.isDisposed () && widget.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(); - if (display.isPainting.containsObject(view)) return; - //TODO - not all - view.displayIfNeeded (); -} - -void updateBackgroundMode () { - int oldState = state & PARENT_BACKGROUND; - checkBackground (); - if (oldState != (state & PARENT_BACKGROUND)) { - setBackground (); - } -} - -void resetCursorRects (int /*long*/ id, int /*long*/ sel) { - if (isEnabled ()) callSuper (id, sel); -} - -void updateTrackingAreas (int /*long*/ id, int /*long*/ sel) { - if (isEnabled ()) callSuper (id, sel); -} - -void updateCursorRects (boolean enabled) { - updateCursorRects (enabled, view); -} - -void updateCursorRects (boolean enabled, NSView widget) { - if (enabled) { - widget.resetCursorRects (); - widget.updateTrackingAreas (); - } else { - widget.discardCursorRects (); - NSArray areas = widget.trackingAreas (); - for (int i = 0; i < areas.count(); i++) { - widget.removeTrackingArea (new NSTrackingArea (areas.objectAtIndex (i))); - } - } -} - -void updateLayout (boolean all) { - /* Do nothing */ -} - -} |