| /******************************************************************************* |
| * Copyright (c) 2000, 2016 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 |
| * Stefan Xenos (Google) - bug 468854 - Add a requestLayout method to Control |
| *******************************************************************************/ |
| 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, FLIP_TEXT_DIRECTION</dd> |
| * <dt><b>Events:</b> |
| * <dd>DragDetect, FocusIn, FocusOut, Help, KeyDown, KeyUp, MenuDetect, MouseDoubleClick, MouseDown, MouseEnter, |
| * MouseExit, MouseHover, MouseUp, MouseMove, MouseWheel, MouseHorizontalWheel, MouseVerticalWheel, 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> |
| * |
| * @noreference This field is not intended to be referenced by clients. |
| */ |
| public NSView view; |
| Composite parent; |
| String toolTipText; |
| Object layoutData; |
| int drawCount, backgroundAlpha = 255; |
| Menu menu; |
| double /*float*/ [] foreground, background; |
| Image backgroundImage; |
| Font font; |
| Cursor cursor; |
| Region region; |
| NSBezierPath regionPath; |
| long /*int*/ visibleRgn; |
| Accessible accessible; |
| boolean touchEnabled; |
| |
| 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 (); |
| } |
| |
| @Override |
| boolean acceptsFirstMouse (long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| Shell shell = getShell (); |
| if ((shell.style & SWT.ON_TOP) != 0) return true; |
| return super.acceptsFirstMouse (id, sel, theEvent); |
| } |
| |
| @Override |
| long /*int*/ accessibleHandle() { |
| long /*int*/ returnValue = view.id; |
| |
| if (view instanceof NSControl) { |
| if (((NSControl) view).cell() != null) { |
| returnValue = ((NSControl) view).cell().id; |
| } |
| |
| } |
| return returnValue; |
| } |
| |
| @Override |
| long /*int*/ accessibilityActionDescription(long /*int*/ id, long /*int*/ sel, long /*int*/ arg0) { |
| if (id == accessibleHandle() && accessible != null) { |
| NSString actionName = new NSString(arg0); |
| id returnValue = accessible.internal_accessibilityActionDescription(actionName, ACC.CHILDID_SELF); |
| if (returnValue != null) return returnValue.id; |
| } |
| return super.accessibilityActionDescription(id, sel, arg0); |
| } |
| |
| @Override |
| long /*int*/ accessibilityActionNames(long /*int*/ id, long /*int*/ sel) { |
| long /*int*/ returnValue = super.accessibilityActionNames(id, sel); |
| if (handleIsAccessible(id)) { |
| if (accessible != null) { |
| NSArray baseArray = accessible.internal_accessibilityActionNames(ACC.CHILDID_SELF); |
| if (baseArray != null) returnValue = baseArray.id; |
| } |
| if (hooks(SWT.MenuDetect) || (menu != null && !menu.isDisposed())) { |
| NSArray baseArray = new NSArray(returnValue); |
| NSMutableArray ourNames = NSMutableArray.arrayWithCapacity(baseArray.count() + 1); |
| ourNames.addObjectsFromArray(baseArray); |
| ourNames.addObject(OS.NSAccessibilityShowMenuAction); |
| returnValue = ourNames.id; |
| } |
| } |
| return returnValue; |
| } |
| |
| @Override |
| long /*int*/ accessibilityAttributeNames(long /*int*/ id, long /*int*/ sel) { |
| |
| long /*int*/ returnValue = 0; |
| |
| if (handleIsAccessible(id) && accessible != null) { |
| // See if the accessible is defining the attribute set for the control. |
| id value = accessible.internal_accessibilityAttributeNames(ACC.CHILDID_SELF); |
| returnValue = (value != null ? value.id : 0); |
| |
| // If not, ask Cocoa for the set for this control. |
| if (returnValue == 0) returnValue = super.accessibilityAttributeNames(id, sel); |
| |
| // Add relationship attributes. |
| returnValue = accessible.internal_addRelationAttributes(returnValue); |
| } |
| |
| // If the SWT accessibility didn't give us anything get the default for the view/cell. |
| if (returnValue == 0) returnValue = super.accessibilityAttributeNames(id, sel); |
| |
| return returnValue; |
| } |
| |
| /** |
| * @param id NSView/NSCell that makes up this control. Could be the view itself. |
| * @return true if id is something whose accessible properties can be augmented |
| * or overridden by the SWT Accessible. false if the Cocoa defaults for the control should |
| * be used. |
| */ |
| boolean handleIsAccessible(long /*int*/ id) { |
| return id == accessibleHandle(); |
| } |
| |
| @Override |
| long /*int*/ accessibilityParameterizedAttributeNames(long /*int*/ id, long /*int*/ sel) { |
| |
| if (handleIsAccessible(id) && accessible != null) { |
| NSArray returnValue = accessible.internal_accessibilityParameterizedAttributeNames(ACC.CHILDID_SELF); |
| if (returnValue != null) return returnValue.id; |
| } |
| |
| return super.accessibilityParameterizedAttributeNames(id, sel); |
| } |
| |
| @Override |
| void accessibilityPerformAction(long /*int*/ id, long /*int*/ sel, long /*int*/ arg0) { |
| if (handleIsAccessible(id) && accessible != null) { |
| NSString action = new NSString(arg0); |
| if (accessible.internal_accessibilityPerformAction(action, ACC.CHILDID_SELF)) return; |
| } |
| super.accessibilityPerformAction(id, sel, arg0); |
| } |
| |
| @Override |
| long /*int*/ accessibilityFocusedUIElement(long /*int*/ id, long /*int*/ sel) { |
| id returnValue = null; |
| |
| if (handleIsAccessible(id) && 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; |
| } |
| |
| @Override |
| long /*int*/ accessibilityHitTest(long /*int*/ id, long /*int*/ sel, NSPoint point) { |
| id returnValue = null; |
| |
| if (handleIsAccessible(id) && 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; |
| } |
| |
| @Override |
| long /*int*/ accessibilityAttributeValue(long /*int*/ id, long /*int*/ sel, long /*int*/ arg0) { |
| NSString attribute = new NSString(arg0); |
| long /*int*/ returnValue = 0; |
| id returnObject = null; |
| |
| if (handleIsAccessible(id) && 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); |
| |
| // Feature in Cocoa: SWT doesn't use setToolTip for tooltip support, so if the |
| // help attribute was requested return toolTipText. |
| if (returnObject == null) { |
| if (attribute.isEqualToString(OS.NSAccessibilityHelpAttribute)) { |
| if (toolTipText != null) returnValue = NSString.stringWith(toolTipText).id; |
| } |
| } |
| |
| } else { |
| returnValue = returnObject.id; |
| } |
| |
| return returnValue; |
| } |
| |
| @Override |
| long /*int*/ accessibilityAttributeValue_forParameter(long /*int*/ id, long /*int*/ sel, long /*int*/ arg0, long /*int*/ arg1) { |
| NSString attribute = new NSString(arg0); |
| |
| id returnValue = null; |
| |
| if (handleIsAccessible(id) && 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; |
| } |
| |
| @Override |
| boolean accessibilityIsAttributeSettable(long /*int*/ id, long /*int*/ sel, long /*int*/ arg0) { |
| boolean returnValue = false; |
| if (handleIsAccessible(id) && accessible != null) { |
| NSString attribute = new NSString (arg0); |
| returnValue = accessible.internal_accessibilityIsAttributeSettable(attribute, ACC.CHILDID_SELF); |
| } |
| if (!returnValue) { |
| returnValue = super.accessibilityIsAttributeSettable(id, sel, arg0); |
| } |
| return returnValue; |
| } |
| |
| @Override |
| void accessibilitySetValue_forAttribute(long /*int*/ id, long /*int*/ sel, long /*int*/ arg0, long /*int*/ arg1) { |
| if (handleIsAccessible(id) && accessible != null) { |
| id value = new id(arg0); |
| NSString attribute = new NSString(arg1); |
| accessible.internal_accessibilitySetValue_forAttribute(value, attribute, ACC.CHILDID_SELF); |
| } else { |
| super.accessibilitySetValue_forAttribute(id, sel, arg0, arg1); |
| } |
| } |
| |
| /** |
| * 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 gesture events are generated for the control, |
| * by sending it one of the messages defined in the |
| * <code>GestureListener</code> interface. |
| * <p> |
| * NOTE: If <code>setTouchEnabled(true)</code> has previously been |
| * invoked on the receiver then <code>setTouchEnabled(false)</code> |
| * must be invoked on it to specify that gesture events should be |
| * sent instead of touch events. |
| * </p> |
| * <p> |
| * <b>Warning</b>: This API is currently only implemented on Windows and Cocoa. |
| * SWT doesn't send Gesture or Touch events on GTK. |
| * </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 GestureListener |
| * @see #removeGestureListener |
| * @see #setTouchEnabled |
| * |
| * @since 3.7 |
| */ |
| public void addGestureListener (GestureListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener (listener); |
| addListener (SWT.Gesture, 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 touch events occur, by sending it |
| * one of the messages defined in the <code>TouchListener</code> |
| * interface. |
| * <p> |
| * NOTE: You must also call <code>setTouchEnabled(true)</code> to |
| * specify that touch events should be sent, which will cause gesture |
| * events to not be sent. |
| * </p> |
| * <p> |
| * <b>Warning</b>: This API is currently only implemented on Windows and Cocoa. |
| * SWT doesn't send Gesture or Touch events on GTK. |
| * </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 TouchListener |
| * @see #removeTouchListener |
| * @see #setTouchEnabled |
| * |
| * @since 3.7 |
| */ |
| public void addTouchListener (TouchListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener (listener); |
| addListener (SWT.Touch,typedListener); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when traversal events occur, by sending it |
| * one of the messages defined in the <code>TraverseListener</code> |
| * interface. |
| * |
| * @param listener the listener which should be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see TraverseListener |
| * @see #removeTraverseListener |
| */ |
| public void addTraverseListener (TraverseListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener (listener); |
| addListener (SWT.Traverse,typedListener); |
| } |
| |
| @Override |
| boolean becomeFirstResponder (long /*int*/ id, long /*int*/ sel) { |
| if ((state & DISABLED) != 0) return false; |
| return super.becomeFirstResponder (id, sel); |
| } |
| |
| @Override |
| void beginGestureWithEvent (long /*int*/ id, long /*int*/ sel, long /*int*/ event) { |
| if (!gestureEvent(id, event, SWT.GESTURE_BEGIN)) return; |
| super.beginGestureWithEvent(id, sel, event); |
| } |
| |
| @Override |
| void endGestureWithEvent (long /*int*/ id, long /*int*/ sel, long /*int*/ event) { |
| if (!gestureEvent(id, event, SWT.GESTURE_END)) return; |
| super.endGestureWithEvent(id, sel, event); |
| } |
| |
| void calculateVisibleRegion (NSView view, long /*int*/ visibleRgn, boolean clipChildren) { |
| long /*int*/ tempRgn = OS.NewRgn (); |
| if (!view.isHiddenOrHasHiddenAncestor() && isDrawing()) { |
| long /*int*/ 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(); |
| long /*int*/ 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); |
| } |
| |
| @Override |
| void cancelOperation(long /*int*/ id, long /*int*/ sel, long /*int*/ sender) { |
| // Cmd-. and escape arrive here. Forward the current event as a key event. |
| if (hasKeyboardFocus(id)) { |
| NSEvent nsEvent = NSApplication.sharedApplication().currentEvent(); |
| Shell s = this.getShell(); |
| s.keyInputHappened = false; |
| boolean [] consume = new boolean [1]; |
| if (translateTraversal (nsEvent.keyCode (), nsEvent, consume)) return; |
| if (isDisposed ()) return; |
| if (!sendKeyEvent (nsEvent, SWT.KeyDown)) return; |
| } |
| } |
| |
| void checkBackground () { |
| Shell shell = getShell (); |
| if (this == shell) return; |
| state &= ~PARENT_BACKGROUND; |
| Composite composite = parent; |
| do { |
| int mode = composite.backgroundMode; |
| if (mode != 0 || backgroundAlpha == 0) { |
| if (mode == SWT.INHERIT_DEFAULT || backgroundAlpha == 0) { |
| 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 (in points) 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 (in points) 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, double /*float*/ [] foreground, int alignment, boolean wrap, 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); |
| } |
| NSMutableParagraphStyle paragraphStyle = (NSMutableParagraphStyle)new NSMutableParagraphStyle ().alloc ().init (); |
| paragraphStyle.setLineBreakMode (wrap ? OS.NSLineBreakByWordWrapping : OS.NSLineBreakByClipping); |
| if (alignment != 0) { |
| int align = OS.NSLeftTextAlignment; |
| if ((alignment & SWT.CENTER) != 0) { |
| align = OS.NSCenterTextAlignment; |
| } else if ((alignment & SWT.RIGHT) != 0) { |
| align = OS.NSRightTextAlignment; |
| } |
| paragraphStyle.setAlignment (align); |
| } |
| if ((style & SWT.RIGHT_TO_LEFT) != 0) { |
| paragraphStyle.setBaseWritingDirection(OS.NSWritingDirectionRightToLeft); |
| } else { |
| paragraphStyle.setBaseWritingDirection(OS.NSWritingDirectionLeftToRight); |
| } |
| 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; |
| } |
| |
| @Override |
| void createWidget () { |
| state |= DRAG_DETECT; |
| checkOrientation (parent); |
| super.createWidget (); |
| checkBackground (); |
| checkBuffered (); |
| setDefaultFont (); |
| setZOrder (); |
| setRelations (); |
| if ((state & PARENT_BACKGROUND) != 0) { |
| setBackground (); |
| } |
| 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; |
| } |
| |
| @Override |
| void deregister () { |
| super.deregister (); |
| display.removeWidget (view); |
| } |
| |
| @Override |
| void destroyWidget () { |
| NSView view = topView (); |
| view.removeFromSuperview (); |
| releaseHandle (); |
| } |
| |
| @Override |
| void doCommandBySelector (long /*int*/ id, long /*int*/ sel, long /*int*/ selector) { |
| if (hasKeyboardFocus(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. |
| */ |
| long /*int*/ 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 if 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 if 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; |
| long /*int*/ eventType = OS.NSLeftMouseDown; |
| double /*float*/ dragX = x; |
| double /*float*/ 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. |
| * If no motion happens for .3 seconds, bail. |
| */ |
| NSEvent mouseUpEvent = null; |
| NSMutableArray dragEvents = NSMutableArray.arrayWithCapacity(10); |
| NSDate timeout = NSDate.dateWithTimeIntervalSinceNow(0.3); |
| |
| while (eventType != OS.NSLeftMouseUp) { |
| NSEvent event = application.nextEventMatchingMask((OS.NSLeftMouseUpMask | OS.NSLeftMouseDraggedMask), |
| timeout, OS.NSEventTrackingRunLoopMode, true); |
| // No event means nextEventMatchingMask timed out. |
| if (event == null) { |
| dragging = true; |
| break; |
| } |
| 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 (GC gc, int x, int y, int width, int height, boolean vertical) { |
| return false; |
| } |
| |
| boolean drawsBackground() { |
| return true; |
| } |
| |
| @Override |
| void drawWidget (long /*int*/ 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(double /*float*/ [] color1, double /*float*/ [] color2) { |
| if (color1 == color2) return true; |
| if (color1 == null) return color2 == null; |
| if (color2 == null) return color1 == null; |
| for (int i = 0; i < color1.length; i++) { |
| if (color1 [i] != color2 [i]) return false; |
| } |
| return true; |
| } |
| |
| NSView eventView () { |
| return view; |
| } |
| |
| void fillBackground (NSView view, NSGraphicsContext context, NSRect rect, int imgHeight) { |
| fillBackground(view, context, rect, imgHeight, null, 0, 0); |
| } |
| |
| void fillBackground (NSView view, NSGraphicsContext context, NSRect rect, int imgHeight, NSView gcView, int tx, int ty) { |
| if (!drawsBackground()) return; |
| 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 (!controlView.isFlipped()) { |
| phase.y = controlView.bounds().height; |
| } |
| 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; |
| } |
| if (gcView != null) { |
| NSPoint pt = gcView.convertPoint_toView_(new NSPoint(), view); |
| phase.x += pt.x; |
| phase.y -= pt.y; |
| } |
| phase.x -= tx; |
| phase.y += ty; |
| context.setPatternPhase(phase); |
| NSBezierPath.fillRect(rect); |
| context.restoreGraphicsState(); |
| return; |
| } |
| |
| double /*float*/ [] background = control.background; |
| double /*float*/ alpha; |
| if (background == null) { |
| if (isTransparent()) return; |
| 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) && backgroundAlpha > 0) return this; |
| return (!isTransparent() && (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); |
| NSWindow window = view.window(); |
| if (!window.makeFirstResponder(null)) { |
| // Force first responder to resign. |
| window.endEditingFor(null); |
| } |
| } |
| |
| @Override |
| void flagsChanged (long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (hasKeyboardFocus(id)) { |
| if ((state & WEBKIT_EVENTS_FIX) == 0) { |
| Shell s = this.getShell(); |
| s.keyInputHappened = false; |
| int mask = 0; |
| NSEvent nsEvent = new NSEvent (theEvent); |
| long /*int*/ 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; |
| Event event = new Event(); |
| event.keyCode = keyCode; |
| setLocationMask(event, nsEvent); |
| 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 = forceFocus(focusView); |
| if (isDisposed ()) return false; |
| shell.setSavedFocus (this); |
| /* |
| * Feature in Cocoa. If the window is inactive when forceFocus is called bringToTop |
| * eventually calls makeKeyAndOrderFront. This activates the window immediately, but unlike other platforms, |
| * it also immediately fire notifications that the window was activated, as opposed to posting an event |
| * to be handled on the next pass of readAndDispatch(). |
| * |
| * Shell#windowDidBecomeKey will call Decorations#restoreFocus, so the saved focus must be set |
| * before the window is activated or the wrong control will get focus. |
| */ |
| shell.bringToTop (false); |
| if (isDisposed ()) return false; |
| return result; |
| } |
| |
| boolean forceFocus (NSView focusView) { |
| NSWindow window = view.window (); |
| if(window == null) { return false; } |
| return window.makeFirstResponder (focusView); |
| } |
| |
| boolean gestureEvent(long /*int*/ id, long /*int*/ eventPtr, int detail) { |
| if (!display.sendEvent) return true; |
| display.sendEvent = false; |
| // For cross-platform compatibility, touch events and gestures are mutually exclusive. |
| // Don't send a gesture if touch events are enabled for this control. |
| if (touchEnabled) return true; |
| if (!isEventView (id)) return true; |
| if (!hooks(SWT.Gesture) && !filters(SWT.Gesture)) return true; |
| NSEvent nsEvent = new NSEvent(eventPtr); |
| Event event = new Event(); |
| NSPoint windowPoint; |
| NSView view = eventView (); |
| 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, SWT.Gesture); |
| event.detail = detail; |
| |
| if (detail == SWT.GESTURE_BEGIN) { |
| display.rotation = 0.0; |
| display.magnification = 1.0; |
| display.gestureActive = true; |
| } else if (detail == SWT.GESTURE_END) { |
| display.gestureActive = false; |
| } |
| |
| switch (detail) { |
| case SWT.GESTURE_SWIPE: |
| event.xDirection = (int) -nsEvent.deltaX(); |
| event.yDirection = (int) -nsEvent.deltaY(); |
| break; |
| case SWT.GESTURE_ROTATE: { |
| display.rotation += nsEvent.rotation(); |
| event.rotation = display.rotation; |
| break; |
| } |
| case SWT.GESTURE_MAGNIFY: |
| display.magnification *= (1.0 + nsEvent.magnification()); |
| event.magnification = display.magnification; |
| break; |
| case SWT.GESTURE_PAN: |
| // Panning increment is expressed in terms of the direction of movement, |
| // not in terms of scrolling increment. |
| if (display.gestureActive) { |
| event.xDirection = (int) nsEvent.deltaX(); |
| event.yDirection = (int) nsEvent.deltaY(); |
| if (event.xDirection == 0 && event.yDirection == 0) return true; |
| } |
| break; |
| } |
| |
| sendEvent (SWT.Gesture, event); |
| return event.doit; |
| } |
| |
| /** |
| * Returns the accessible object for the receiver. |
| * <p> |
| * If this is the first time this object is requested, |
| * then the object is created and returned. The object |
| * returned by getAccessible() does not need to be disposed. |
| * </p> |
| * |
| * @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(); |
| if (backgroundAlpha == 0) { |
| Color color = Color.cocoa_new (display, background, 0); |
| return color; |
| } |
| else { |
| Control control = findBackgroundControl (); |
| if (control == null) control = this; |
| return control.getBackgroundColor (); |
| } |
| } |
| |
| Color getBackgroundColor () { |
| return background != null ? Color.cocoa_new (display, background, backgroundAlpha) : 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 in points. |
| * |
| * @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 in points |
| * 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; |
| } |
| |
| @Override |
| 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 in points (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 |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - 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 3.0 |
| */ |
| 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 orientation of the receiver, which will be one of the |
| * constants <code>SWT.LEFT_TO_RIGHT</code> or <code>SWT.RIGHT_TO_LEFT</code>. |
| * |
| * @return the orientation style |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - 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 3.7 |
| */ |
| public int getOrientation () { |
| checkWidget (); |
| return style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT); |
| } |
| |
| /** |
| * 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(long /*int*/ region) { |
| Callback callback = new Callback(this, "regionToRects", 4); |
| if (callback.getAddress() == 0) 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 in points. 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); |
| } |
| |
| /** |
| * Returns the text direction of the receiver, which will be one of the |
| * constants <code>SWT.LEFT_TO_RIGHT</code> or <code>SWT.RIGHT_TO_LEFT</code>. |
| * |
| * @return the text direction style |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - 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 3.102 |
| */ |
| public int getTextDirection() { |
| checkWidget (); |
| /* return the widget orientation */ |
| return style & (SWT.LEFT_TO_RIGHT | SWT.RIGHT_TO_LEFT); |
| } |
| |
| 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 this control is set to send touch events, or |
| * <code>false</code> if it is set to send gesture events instead. This method |
| * also returns <code>false</code> if a touch-based input device is not detected |
| * (this can be determined with <code>Display#getTouchEnabled()</code>). Use |
| * {@link #setTouchEnabled(boolean)} to switch the events that a control sends |
| * between touch events and gesture events. |
| * |
| * @return <code>true</code> if the control is set to send touch events, or <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 #setTouchEnabled |
| * @see Display#getTouchEnabled |
| * |
| * @since 3.7 |
| */ |
| public boolean getTouchEnabled() { |
| checkWidget(); |
| return display.getTouchEnabled() && touchEnabled; |
| } |
| |
| /** |
| * 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; |
| } |
| |
| long /*int*/ getVisibleRegion () { |
| if (visibleRgn == 0) { |
| visibleRgn = OS.NewRgn (); |
| calculateVisibleRegion (view, visibleRgn, true); |
| } |
| long /*int*/ result = OS.NewRgn (); |
| OS.CopyRgn (visibleRgn, result); |
| return result; |
| } |
| |
| boolean hasBorder () { |
| return (style & SWT.BORDER) != 0; |
| } |
| |
| boolean hasFocus () { |
| return display.getFocusControl() == this; |
| } |
| |
| boolean hasRegion () { |
| return region != null || parent.hasRegion (); |
| } |
| |
| @Override |
| long /*int*/ hitTest (long /*int*/ id, long /*int*/ sel, NSPoint point) { |
| if ((state & DISABLED) != 0) return 0; |
| if (!isActive ()) return 0; |
| if (regionPath != null) { |
| NSView rgnView = topView (); |
| if (!rgnView.isFlipped()) rgnView = eventView (); |
| NSPoint pt = rgnView.convertPoint_fromView_ (point, new NSView (id).superview()); |
| if (!regionPath.containsPoint(pt)) return 0; |
| } |
| return super.hitTest(id, sel, point); |
| } |
| |
| boolean imeInComposition () { |
| return false; |
| } |
| |
| @Override |
| boolean insertText (long /*int*/ id, long /*int*/ sel, long /*int*/ string) { |
| // sendKeyEvent may do something to run the event loop. That would cause |
| // 'string' to be released before any superclass could use it, so save it |
| // until this method finishes. |
| NSObject saver = new NSObject(string); |
| saver.retain(); |
| try { |
| if (hasKeyboardFocus(id)) { |
| Shell s = this.getShell(); |
| NSEvent nsEvent = NSApplication.sharedApplication ().currentEvent (); |
| if (nsEvent != null) { |
| long /*int*/ type = nsEvent.type (); |
| if (type == OS.NSKeyDown || type == OS.NSKeyUp || type == OS.NSSystemDefined) { |
| NSString str = new NSString (string); |
| if (str.isKindOfClass (OS.class_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); |
| } finally { |
| saver.release(); |
| } |
| } |
| |
| /** |
| * 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 |
| * |
| * @noreference This method is not intended to be referenced by clients. |
| */ |
| @Override |
| public long /*int*/ internal_new_GC (GCData data) { |
| checkWidget(); |
| NSView view = paintView(); |
| NSGraphicsContext graphicsContext = null; |
| if (data != null && data.paintRect != null) { |
| graphicsContext = NSGraphicsContext.currentContext(); |
| if (!view.isFlipped()) data.state &= ~VISIBLE_REGION; |
| } |
| if (graphicsContext == null) { |
| NSWindow window = view.window(); |
| /* |
| * Force the device to be created before attempting |
| * to create a GC on a deferred NSWindow. |
| */ |
| if (window.windowNumber() <= 0) { |
| double /*float*/ alpha = window.alphaValue(); |
| window.setAlphaValue(0); |
| window.orderBack(null); |
| window.orderOut(null); |
| window.setAlphaValue(alpha); |
| } |
| graphicsContext = NSGraphicsContext.graphicsContextWithWindow (window); |
| NSGraphicsContext flippedContext = NSGraphicsContext.graphicsContextWithGraphicsPort(graphicsContext.graphicsPort(), true); |
| graphicsContext = flippedContext; |
| 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.view.retain(); |
| data.view.window().retain(); |
| data.foreground = getForegroundColor ().handle; |
| Control control = findBackgroundControl (); |
| if (control == null) control = this; |
| data.background = control.getBackgroundColor ().handle; |
| data.font = font != null ? font : defaultFont (); |
| } |
| if (graphicsContext != null) { |
| return graphicsContext.id; |
| } |
| return 0; |
| } |
| |
| /** |
| * 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 |
| * |
| * @noreference This method is not intended to be referenced by clients. |
| */ |
| @Override |
| public void internal_dispose_GC (long /*int*/ hDC, GCData data) { |
| checkWidget (); |
| long /*int*/ context = hDC; |
| 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; |
| if (data.view != null) { |
| data.view.window().release(); |
| data.view.release(); |
| data.view = null; |
| } |
| } |
| } |
| |
| 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 (); |
| } |
| |
| /** |
| * @noreference This method is not intended to be referenced by clients. |
| */ |
| @Override |
| public boolean isAutoScalable() { |
| return true; |
| } |
| |
| @Override |
| boolean isActive () { |
| if (getShell().getModalShell () != null) return false; |
| Dialog dialog = display.getModalDialog(); |
| if (dialog == null) return true; |
| NSPanel panel = display.getModalPanel(); |
| if (panel == null) return false; |
| NSWindow parentWindow = view.window().parentWindow(); |
| return parentWindow == null || parentWindow.id == panel.id; |
| } |
| |
| /* |
| * 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; |
| } |
| |
| @Override |
| 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 () { |
| long /*int*/ 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 isResizing () { |
| return (state & RESIZING) != 0 || parent.isResizing(); |
| } |
| |
| 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 isTransparent() { |
| if (background != null) return false; |
| return parent.isTransparent(); |
| } |
| |
| 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 (); |
| } |
| |
| @Override |
| void keyDown (long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (hasKeyboardFocus(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); |
| } |
| |
| boolean hasKeyboardFocus(long /*int*/ inId) { |
| return view.window().firstResponder().id == inId; |
| } |
| |
| @Override |
| void keyUp (long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (hasKeyboardFocus(id)) { |
| NSEvent nsEvent = new NSEvent (theEvent); |
| if (!sendKeyEvent (nsEvent, SWT.KeyUp)) return; |
| } |
| super.keyUp (id, sel, theEvent); |
| } |
| |
| @Override |
| void magnifyWithEvent(long /*int*/ id, long /*int*/ sel, long /*int*/ event) { |
| if (!gestureEvent(id, event, SWT.GESTURE_MAGNIFY)) return; |
| super.magnifyWithEvent(id, sel, event); |
| } |
| |
| void markLayout (boolean changed, boolean all) { |
| /* Do nothing */ |
| } |
| |
| @Override |
| long /*int*/ menuForEvent (long /*int*/ id, long /*int*/ sel, long /*int*/ 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; |
| NSEvent nsEvent = new NSEvent(theEvent); |
| event.detail = nsEvent.buttonNumber() > 0 ? SWT.MENU_MOUSE : SWT.MENU_KEYBOARD; |
| 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 (); |
| } |
| |
| @Override |
| void scrollWheel (long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| boolean handled = false; |
| if (id == view.id) { |
| NSEvent nsEvent = new NSEvent(theEvent); |
| if ((hooks(SWT.Gesture) || filters(SWT.Gesture))) { |
| if (nsEvent.deltaY() != 0 || nsEvent.deltaX() != 0) { |
| if (!gestureEvent(id, theEvent, SWT.GESTURE_PAN)) { |
| handled = true; |
| } |
| } |
| } |
| if (!handled) { |
| if (hooks (SWT.MouseWheel) || filters (SWT.MouseWheel)) { |
| if (nsEvent.deltaY() != 0) { |
| if (!sendMouseEvent(nsEvent, SWT.MouseWheel, true)) { |
| handled = true; |
| } |
| } |
| } |
| if (hooks (SWT.MouseHorizontalWheel) || filters (SWT.MouseHorizontalWheel)) { |
| if (nsEvent.deltaX() != 0) { |
| if (!sendMouseEvent(nsEvent, SWT.MouseHorizontalWheel, true)) { |
| handled = true; |
| } |
| } |
| } |
| } |
| } |
| if (!handled) super.scrollWheel(id, sel, theEvent); |
| } |
| |
| boolean isEventView (long /*int*/ id) { |
| return true; |
| } |
| |
| boolean mouseEvent (long /*int*/ id, long /*int*/ sel, long /*int*/ 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; |
| } |
| } |
| |
| boolean runEnterExit = false; |
| Control runEnterExitControl = null; |
| |
| switch (nsType) { |
| case OS.NSLeftMouseDown: |
| if (nsEvent.clickCount() == 1 && (nsEvent.modifierFlags() & OS.NSControlKeyMask) == 0 && (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: |
| runEnterExit = true; |
| runEnterExitControl = this; |
| break; |
| case OS.NSLeftMouseUp: |
| case OS.NSRightMouseUp: |
| case OS.NSOtherMouseUp: |
| if (display.clickCount == 2) { |
| sendMouseEvent (nsEvent, SWT.MouseDoubleClick, false); |
| } |
| runEnterExit = true; |
| runEnterExitControl = display.findControl(true); |
| break; |
| } |
| sendMouseEvent (nsEvent, type, false); |
| if (dragging) sendMouseEvent(nsEvent, SWT.DragDetect, false); |
| if (runEnterExit) display.checkEnterExit (runEnterExitControl, nsEvent, false); |
| if (consume != null && consume[0]) return false; |
| return true; |
| } |
| |
| @Override |
| void mouseDown(long /*int*/ id, long /*int*/ sel, long /*int*/ 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; |
| } |
| |
| @Override |
| void mouseUp(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!mouseEvent(id, sel, theEvent, SWT.MouseUp)) return; |
| super.mouseUp(id, sel, theEvent); |
| } |
| |
| @Override |
| void mouseDragged(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!mouseEvent(id, sel, theEvent, SWT.MouseMove)) return; |
| super.mouseDragged(id, sel, theEvent); |
| } |
| |
| @Override |
| void rightMouseDown(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!mouseEvent(id, sel, theEvent, SWT.MouseDown)) return; |
| super.rightMouseDown(id, sel, theEvent); |
| } |
| |
| @Override |
| void rightMouseUp(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!mouseEvent(id, sel, theEvent, SWT.MouseUp)) return; |
| super.rightMouseUp(id, sel, theEvent); |
| } |
| |
| @Override |
| void rightMouseDragged(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!mouseEvent(id, sel, theEvent, SWT.MouseMove)) return; |
| super.rightMouseDragged(id, sel, theEvent); |
| } |
| |
| @Override |
| void otherMouseDown(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!mouseEvent(id, sel, theEvent, SWT.MouseDown)) return; |
| super.otherMouseDown(id, sel, theEvent); |
| } |
| |
| @Override |
| void otherMouseUp(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!mouseEvent(id, sel, theEvent, SWT.MouseUp)) return; |
| super.otherMouseUp(id, sel, theEvent); |
| } |
| |
| @Override |
| void otherMouseDragged(long /*int*/ id, long /*int*/ sel, long /*int*/ 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); |
| |
| NSGraphicsContext.static_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); |
| NSGraphicsContext.static_restoreGraphicsState(); |
| return true; |
| } |
| |
| /** |
| * Requests that this control and all of its ancestors be repositioned by |
| * their layouts at the earliest opportunity. This should be invoked after |
| * modifying the control in order to inform any dependent layouts of |
| * the change. |
| * <p> |
| * The control will not be repositioned synchronously. This method is |
| * fast-running and only marks the control for future participation in |
| * a deferred layout. |
| * <p> |
| * Invoking this method multiple times before the layout occurs is an |
| * inexpensive no-op. |
| * |
| * @since 3.105 |
| */ |
| public void requestLayout () { |
| getShell ().layout (new Control[] {this}, SWT.DEFER); |
| } |
| |
| /** |
| * 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); |
| } |
| |
| long /*int*/ regionToRects(long /*int*/ message, long /*int*/ rgn, long /*int*/ r, long /*int*/ path) { |
| NSPoint pt = new NSPoint(); |
| short[] rect = new short[4]; |
| if (message == OS.kQDRegionToRectsMsgParse) { |
| C.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; |
| } |
| |
| @Override |
| void register () { |
| super.register (); |
| display.addWidget (view, this); |
| } |
| |
| @Override |
| 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); |
| } |
| } |
| |
| @Override |
| void releaseHandle () { |
| super.releaseHandle (); |
| if (view != null) view.release(); |
| view = null; |
| parent = null; |
| } |
| |
| @Override |
| void releaseParent () { |
| invalidateVisibleRegion (); |
| parent.removeControl (this); |
| } |
| |
| @Override |
| 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 gesture 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 GestureListener |
| * @see #addGestureListener |
| * |
| * @since 3.7 |
| */ |
| public void removeGestureListener (GestureListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| eventTable.unhook(SWT.Gesture, 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 touch 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 TouchListener |
| * @see #addTouchListener |
| * |
| * @since 3.7 |
| */ |
| public void removeTouchListener(TouchListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| eventTable.unhook (SWT.Touch, listener); |
| } |
| |
| /** |
| * 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) { |
| long /*int*/ 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); |
| } |
| |
| @Override |
| void rotateWithEvent(long /*int*/ id, long /*int*/ sel, long /*int*/ event) { |
| if (!gestureEvent(id, event, SWT.GESTURE_ROTATE)) return; |
| super.rotateWithEvent(id, sel, event); |
| } |
| |
| 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; |
| double /*float*/ delta = nsEvent.deltaY(); |
| event.count = delta > 0 ? Math.max (1, (int)delta) : Math.min (-1, (int)delta); |
| break; |
| } |
| case SWT.MouseHorizontalWheel: { |
| double /*float*/ delta = nsEvent.deltaX(); |
| event.count = delta > 0 ? Math.max (1, (int)delta) : Math.min (-1, (int)delta); |
| break; |
| } |
| } |
| if (event.button != 0) event.count = display.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, SWT.MouseDown); |
| return event.doit; |
| } |
| |
| Touch touchStateFromNSTouch(NSTouch touch) { |
| TouchSource source = display.findTouchSource(touch); |
| long /*int*/ osPhase = touch.phase(); |
| long identity = OS.objc_msgSend(touch.id, OS.sel_identity); |
| int state = 0; |
| |
| switch ((int)osPhase) { |
| case OS.NSTouchPhaseBegan: |
| state = SWT.TOUCHSTATE_DOWN; |
| break; |
| case OS.NSTouchPhaseMoved: |
| state = SWT.TOUCHSTATE_MOVE; |
| break; |
| case OS.NSTouchPhaseEnded: |
| case OS.NSTouchPhaseCancelled: |
| state = SWT.TOUCHSTATE_UP; |
| break; |
| } |
| |
| display.touchCounter++; |
| boolean primary = false; |
| NSPoint normalizedPos = touch.normalizedPosition(); |
| double normalizedX = normalizedPos.x; |
| double normalizedY = 1 - normalizedPos.y; |
| if (display.currentTouches().count() == 1) display.primaryIdentifier = identity; |
| if (display.primaryIdentifier == identity) primary = true; |
| NSSize deviceSize = touch.deviceSize(); |
| int deviceX = (int) (normalizedX * deviceSize.width); |
| int deviceY = (int) (normalizedY * deviceSize.height); |
| Touch newTS = new Touch(identity, source, state, primary, deviceX, deviceY); |
| return newTS; |
| } |
| |
| NSTouch findTouchWithId(NSArray touches, NSObject identity) { |
| long /*int*/ count = touches.count(); |
| for (long /*int*/ i = 0; i < count; i++) { |
| NSTouch aTouch = new NSTouch(touches.objectAtIndex(i).id); |
| NSObject currIdentity = new NSObject(OS.objc_msgSend(aTouch.id, OS.sel_identity)); |
| if (currIdentity.isEqual(identity)) return aTouch; |
| } |
| return null; |
| } |
| |
| void setBackground () { |
| if (!drawsBackground()) return; |
| Control control = findBackgroundControl (); |
| if (control == null) control = this; |
| if (control.backgroundImage != null) { |
| setBackgroundImage (control.backgroundImage.handle); |
| } else { |
| double /*float*/ [] color = control.background != null ? control.background : control.defaultBackground().handle; |
| NSColor nsColor = NSColor.colorWithDeviceRed(color[0], color[1], color[2], color[3]); |
| setBackgroundColor (nsColor); |
| } |
| } |
| |
| /** |
| * 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 (); |
| _setBackground (color); |
| if (color != null) { |
| this.updateBackgroundMode (); |
| } |
| } |
| |
| private void _setBackground (Color color) { |
| if (color != null) { |
| if (color.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| } |
| double /*float*/ [] background = color != null ? color.handle : null; |
| int alpha = color != null ? color.getAlpha() : 255; |
| if (equals (background, this.background) && alpha == this.backgroundAlpha) return; |
| this.background = background; |
| this.backgroundAlpha = alpha; |
| updateBackgroundColor (); |
| 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()) error(SWT.ERROR_INVALID_ARGUMENT); |
| if (image == backgroundImage && backgroundAlpha > 0) return; |
| backgroundAlpha = 255; |
| backgroundImage = image; |
| updateBackgroundImage(); |
| } |
| |
| void setBackgroundImage (NSImage image) { |
| redrawWidget(view, true); |
| } |
| |
| void setBackgroundColor (NSColor nsColor) { |
| } |
| |
| /** |
| * Sets the receiver's size and location in points 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> |
| * <p> |
| * Note: On GTK, attempting to set the width or height of the |
| * receiver to a number higher or equal 2^14 will cause them to be |
| * set to (2^14)-1 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) { |
| /* |
| * Bug in Cocoa. On Mac 10.8, a text control loses and gains focus |
| * when its bounds changes. The fix is to ignore these events. |
| */ |
| Display display = this.display; |
| Control oldIgnoreFocusControl = display.ignoreFocusControl; |
| display.ignoreFocusControl = this; |
| 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); |
| } |
| display.ignoreFocusControl = oldIgnoreFocusControl; |
| } |
| |
| /** |
| * Sets the receiver's size and location in points 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> |
| * <p> |
| * Note: On GTK, attempting to set the width or height of the |
| * receiver to a number higher or equal 2^14 will cause them to be |
| * set to (2^14)-1 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(); |
| } |
| |
| @Override |
| void setClipRegion (NSView view) { |
| if (regionPath != null) { |
| NSView rgnView = topView (); |
| if (!rgnView.isFlipped ()) rgnView = eventView (); |
| NSPoint pt = view.convertPoint_toView_(new NSPoint(), rgnView); |
| NSAffineTransform transform = NSAffineTransform.transform(); |
| transform.translateXBy(-pt.x, -pt.y); |
| regionPath.transformUsingAffineTransform(transform); |
| regionPath.addClip(); |
| transform.translateXBy(2*pt.x, 2*pt.y); |
| regionPath.transformUsingAffineTransform(transform); |
| } |
| parent.setClipRegion(view); |
| } |
| |
| /** |
| * 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()) 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()) error(SWT.ERROR_INVALID_ARGUMENT); |
| } |
| double /*float*/ [] foreground = color != null ? color.handle : null; |
| if (equals (foreground, this.foreground)) return; |
| this.foreground = foreground; |
| setForeground (foreground); |
| redrawWidget (view, false); |
| } |
| |
| void setForeground (double /*float*/ [] color) { |
| } |
| |
| @Override |
| void setFrameOrigin (long /*int*/ id, long /*int*/ 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 (); |
| } |
| } |
| |
| @Override |
| void setFrameSize (long /*int*/ id, long /*int*/ 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(); |
| boolean oldResizing = (state & RESIZING) != 0; |
| state |= RESIZING; |
| resized (); |
| if (!oldResizing) state &= ~RESIZING; |
| } |
| } |
| |
| /** |
| * 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()) 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; |
| } |
| |
| /** |
| * Sets the orientation of the receiver, which must be one |
| * of the constants <code>SWT.LEFT_TO_RIGHT</code> or <code>SWT.RIGHT_TO_LEFT</code>. |
| * <p> |
| * |
| * @param orientation new orientation style |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - 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 3.7 |
| */ |
| public void setOrientation (int orientation) { |
| checkWidget (); |
| } |
| |
| /** |
| * 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()) 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; |
| reskin (SWT.ALL); |
| 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> |
| * <p> |
| * Note: On GTK, attempting to set the width or height of the |
| * receiver to a number higher or equal 2^14 will cause them to be |
| * set to (2^14)-1 instead. |
| * </p> |
| * |
| * @param width the new width in points for the receiver |
| * @param height the new height in points 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> |
| * <p> |
| * Note: On GTK, attempting to set the width or height of the |
| * receiver to a number higher or equal 2^14 will cause them to be |
| * set to (2^14)-1 instead. |
| * </p> |
| * |
| * @param size the new size in points 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); |
| } |
| } |
| |
| @Override |
| boolean setTabItemFocus () { |
| if (!isShowing ()) return false; |
| return forceFocus (); |
| } |
| |
| /** |
| * Sets the base text direction (a.k.a. "paragraph direction") of the receiver, |
| * which must be one of the constants <code>SWT.LEFT_TO_RIGHT</code>, |
| * <code>SWT.RIGHT_TO_LEFT</code>, or <code>SWT.AUTO_TEXT_DIRECTION</code>. |
| * <p> |
| * <code>setOrientation</code> would override this value with the text direction |
| * that is consistent with the new orientation. |
| * </p> |
| * <p> |
| * <b>Warning</b>: This API is currently only implemented on Windows. |
| * It doesn't set the base text direction on GTK and Cocoa. |
| * </p> |
| * |
| * @param textDirection the base text direction style |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - 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 SWT#LEFT_TO_RIGHT |
| * @see SWT#RIGHT_TO_LEFT |
| * @see SWT#AUTO_TEXT_DIRECTION |
| * @see SWT#FLIP_TEXT_DIRECTION |
| * |
| * @since 3.102 |
| */ |
| public void setTextDirection(int textDirection) { |
| checkWidget (); |
| } |
| |
| /** |
| * 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); |
| } |
| |
| /** |
| * Sets whether this control should send touch events (by default controls do not). |
| * Setting this to <code>false</code> causes the receiver to send gesture events |
| * instead. No exception is thrown if a touch-based input device is not |
| * detected (this can be determined with <code>Display#getTouchEnabled()</code>). |
| * |
| * @param enabled the new touch-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> |
| * |
| * @see Display#getTouchEnabled |
| * |
| * @since 3.7 |
| */ |
| public void setTouchEnabled(boolean enabled) { |
| checkWidget(); |
| eventView().setAcceptsTouchEvents(enabled); |
| touchEnabled = enabled; |
| } |
| |
| /** |
| * 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); |
| if (isDisposed ()) return; |
| 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); |
| } |
| |
| @Override |
| boolean shouldDelayWindowOrderingForEvent (long /*int*/ id, long /*int*/ sel, long /*int*/ 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 (); |
| NSView topView = topView(); |
| topView.retain(); |
| topView.removeFromSuperview(); |
| parent.contentView().addSubview(topView, above ? OS.NSWindowAbove : OS.NSWindowBelow, otherView); |
| topView.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; |
| } |
| } |
| } |
| } |
| } |
| |
| @Override |
| void swipeWithEvent(long /*int*/ id, long /*int*/ sel, long /*int*/ event) { |
| if (!gestureEvent(id, event, SWT.GESTURE_SWIPE)) return; |
| super.swipeWithEvent(id, sel, event); |
| } |
| |
| NSSize textExtent (String string) { |
| NSAttributedString attribStr = createString(string, null, null, 0, false, true, false); |
| NSSize size = attribStr.size(); |
| attribStr.release(); |
| return size; |
| } |
| |
| @Override |
| 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> |
| * NOTE: To properly map a rectangle or a corner of a rectangle on a right-to-left platform, use |
| * {@link Display#map(Control, Control, Rectangle)}. |
| * </p> |
| * |
| * @param x the x coordinate in points to be translated |
| * @param y the y coordinate in points 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> |
| * NOTE: To properly map a rectangle or a corner of a rectangle on a right-to-left platform, use |
| * {@link Display#map(Control, Control, Rectangle)}. |
| * </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> |
| * NOTE: To properly map a rectangle or a corner of a rectangle on a right-to-left platform, use |
| * {@link Display#map(Control, Control, Rectangle)}. |
| * </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> |
| * NOTE: To properly map a rectangle or a corner of a rectangle on a right-to-left platform, use |
| * {@link Display#map(Control, Control, Rectangle)}. |
| * </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 touchEvent(long /*int*/ id, long /*int*/ sel, long /*int*/ eventPtr) { |
| if (!display.sendEvent) return true; |
| display.sendEvent = false; |
| if (!(hooks(SWT.Touch) || filters(SWT.Touch))) return true; |
| if (!isEventView (id)) return true; |
| if (!touchEnabled) return true; |
| NSEvent nsEvent = new NSEvent(eventPtr); |
| NSMutableArray currentTouches = display.currentTouches(); |
| Event event = new Event (); |
| NSPoint location = view.convertPoint_fromView_(nsEvent.locationInWindow(), null); |
| if (!view.isFlipped ()) { |
| location.y = view.bounds().height - location.y; |
| } |
| event.x = (int) location.x; |
| event.y = (int) location.y; |
| setInputState (event, nsEvent, SWT.Touch); |
| NSSet allTouchesSet = nsEvent.touchesMatchingPhase(OS.NSTouchPhaseAny, null); |
| long /*int*/ touchCount = allTouchesSet.count(); |
| Touch touches[] = new Touch[(int)/*64*/touchCount]; |
| int currTouchIndex = 0; |
| |
| // Process removed/cancelled touches first. |
| NSArray endedTouches = nsEvent.touchesMatchingPhase(OS.NSTouchPhaseEnded | OS.NSTouchPhaseCancelled, null).allObjects(); |
| |
| for (int i = 0; i < endedTouches.count(); i++) { |
| NSTouch touch = new NSTouch(endedTouches.objectAtIndex(i).id); |
| NSObject identity = new NSObject(OS.objc_msgSend(touch.id, OS.sel_identity)); |
| NSTouch endedTouch = findTouchWithId(currentTouches, identity); |
| if (endedTouch != null) currentTouches.removeObject(endedTouch); |
| touches[currTouchIndex++] = touchStateFromNSTouch(touch); |
| } |
| |
| if (currentTouches.count() == 0) display.touchCounter = 0; |
| |
| // Process touches in progress or starting. |
| NSArray activeTouches = nsEvent.touchesMatchingPhase(OS.NSTouchPhaseBegan | OS.NSTouchPhaseMoved | OS.NSTouchPhaseStationary, null).allObjects(); |
| |
| for (int i = 0; i < activeTouches.count(); i++) { |
| NSTouch touch = new NSTouch(activeTouches.objectAtIndex(i).id); |
| NSObject identity = new NSObject(OS.objc_msgSend(touch.id, OS.sel_identity)); |
| NSTouch activeTouch = findTouchWithId(currentTouches, identity); |
| if (activeTouch == null) currentTouches.addObject(touch); |
| touches[currTouchIndex++] = touchStateFromNSTouch(touch); |
| } |
| |
| if (activeTouches.count() != currentTouches.count()) { |
| /** |
| * Bug in Cocoa. Under some situations we don't get the NSTouchPhaseEnded/Cancelled notification. Most commonly this happens |
| * if a 4-finger gesture occurs and the application switcher appears. Workaround is to generate a TOUCHSTATE_UP for the |
| * orphaned touch. |
| */ |
| for (long /*int*/ j = currentTouches.count() - 1; j >= 0 ; j--) { |
| NSTouch touch = new NSTouch(currentTouches.objectAtIndex(j).id); |
| NSObject identity = new NSObject(OS.objc_msgSend(touch.id, OS.sel_identity)); |
| NSTouch activeTouch = findTouchWithId(activeTouches, identity); |
| if (activeTouch == null) { |
| Touch fakeTouchUp = touchStateFromNSTouch(touch); |
| fakeTouchUp.state = SWT.TOUCHSTATE_UP; |
| |
| if (currTouchIndex == touches.length) { |
| Touch newTouchStates[] = new Touch[touches.length + 1]; |
| System.arraycopy(touches, 0, newTouchStates, 0, touches.length); |
| touches = newTouchStates; |
| } |
| |
| touches[currTouchIndex++] = fakeTouchUp; |
| currentTouches.removeObject(activeTouch); |
| } |
| } |
| } |
| |
| event.touches = touches; |
| postEvent (SWT.Touch, event); |
| return true; |
| } |
| |
| @Override |
| void touchesBeganWithEvent (long /*int*/ id, long /*int*/ sel, long /*int*/ event) { |
| if (!touchEvent(id, sel, event)) return; |
| super.touchesBeganWithEvent(id, sel, event); |
| } |
| |
| @Override |
| void touchesCancelledWithEvent (long /*int*/ id, long /*int*/ sel, long /*int*/ event) { |
| if (!touchEvent(id, sel, event)) return; |
| super.touchesCancelledWithEvent(id, sel, event); |
| } |
| |
| @Override |
| void touchesEndedWithEvent (long /*int*/ id, long /*int*/ sel, long /*int*/ event) { |
| if (!touchEvent(id, sel, event)) return; |
| super.touchesEndedWithEvent(id, sel, event); |
| } |
| |
| @Override |
| void touchesMovedWithEvent (long /*int*/ id, long /*int*/ sel, long /*int*/ event) { |
| if (!touchEvent(id, sel, event)) return; |
| super.touchesMovedWithEvent(id, sel, event); |
| } |
| |
| 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 */ { |
| long /*int*/ 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; |
| long /*int*/ 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; |
| } |
| |
| /** |
| * Performs a platform traversal action corresponding to a <code>KeyDown</code> event. |
| * |
| * <p>Valid traversal values are |
| * <code>SWT.TRAVERSE_NONE</code>, <code>SWT.TRAVERSE_MNEMONIC</code>, |
| * <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>, <code>SWT.TRAVERSE_ARROW_PREVIOUS</code>, |
| * <code>SWT.TRAVERSE_PAGE_NEXT</code> and <code>SWT.TRAVERSE_PAGE_PREVIOUS</code>. |
| * If <code>traversal</code> is <code>SWT.TRAVERSE_NONE</code> then the Traverse |
| * event is created with standard values based on the KeyDown event. If |
| * <code>traversal</code> is one of the other traversal constants then the Traverse |
| * event is created with this detail, and its <code>doit</code> is taken from the |
| * KeyDown event. |
| * </p> |
| * |
| * @param traversal the type of traversal, or <code>SWT.TRAVERSE_NONE</code> to compute |
| * this from <code>event</code> |
| * @param event the KeyDown event |
| * |
| * @return <code>true</code> if the traversal succeeded |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT if 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> |
| * |
| * @since 3.6 |
| */ |
| public boolean traverse (int traversal, Event event) { |
| checkWidget (); |
| if (event == null) error (SWT.ERROR_NULL_ARGUMENT); |
| return traverse (traversal, event.character, event.keyCode, event.keyLocation, event.stateMask, event.doit); |
| } |
| |
| /** |
| * Performs a platform traversal action corresponding to a <code>KeyDown</code> event. |
| * |
| * <p>Valid traversal values are |
| * <code>SWT.TRAVERSE_NONE</code>, <code>SWT.TRAVERSE_MNEMONIC</code>, |
| * <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>, <code>SWT.TRAVERSE_ARROW_PREVIOUS</code>, |
| * <code>SWT.TRAVERSE_PAGE_NEXT</code> and <code>SWT.TRAVERSE_PAGE_PREVIOUS</code>. |
| * If <code>traversal</code> is <code>SWT.TRAVERSE_NONE</code> then the Traverse |
| * event is created with standard values based on the KeyDown event. If |
| * <code>traversal</code> is one of the other traversal constants then the Traverse |
| * event is created with this detail, and its <code>doit</code> is taken from the |
| * KeyDown event. |
| * </p> |
| * |
| * @param traversal the type of traversal, or <code>SWT.TRAVERSE_NONE</code> to compute |
| * this from <code>event</code> |
| * @param event the KeyDown event |
| * |
| * @return <code>true</code> if the traversal succeeded |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT if 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> |
| * |
| * @since 3.6 |
| */ |
| public boolean traverse (int traversal, KeyEvent event) { |
| checkWidget (); |
| if (event == null) error (SWT.ERROR_NULL_ARGUMENT); |
| return traverse (traversal, event.character, event.keyCode, event.keyLocation, event.stateMask, event.doit); |
| } |
| |
| boolean traverse (int traversal, char character, int keyCode, int keyLocation, int stateMask, boolean doit) { |
| if (traversal == SWT.TRAVERSE_NONE) { |
| switch (keyCode) { |
| case SWT.ESC: { |
| traversal = SWT.TRAVERSE_ESCAPE; |
| doit = true; |
| break; |
| } |
| case SWT.CR: { |
| traversal = SWT.TRAVERSE_RETURN; |
| doit = true; |
| break; |
| } |
| case SWT.ARROW_DOWN: |
| case SWT.ARROW_RIGHT: { |
| traversal = SWT.TRAVERSE_ARROW_NEXT; |
| doit = false; |
| break; |
| } |
| case SWT.ARROW_UP: |
| case SWT.ARROW_LEFT: { |
| traversal = SWT.TRAVERSE_ARROW_PREVIOUS; |
| doit = false; |
| break; |
| } |
| case SWT.TAB: { |
| traversal = (stateMask & SWT.SHIFT) != 0 ? SWT.TRAVERSE_TAB_PREVIOUS : SWT.TRAVERSE_TAB_NEXT; |
| doit = true; |
| break; |
| } |
| case SWT.PAGE_DOWN: { |
| if ((stateMask & SWT.CTRL) != 0) { |
| traversal = SWT.TRAVERSE_PAGE_NEXT; |
| doit = true; |
| } |
| break; |
| } |
| case SWT.PAGE_UP: { |
| if ((stateMask & SWT.CTRL) != 0) { |
| traversal = SWT.TRAVERSE_PAGE_PREVIOUS; |
| doit = true; |
| } |
| break; |
| } |
| default: { |
| /* keyCode does not have a corresponding traversal action */ |
| return false; |
| } |
| } |
| } |
| |
| Event event = new Event (); |
| event.character = character; |
| event.detail = traversal; |
| event.doit = doit; |
| event.keyCode = keyCode; |
| event.keyLocation = keyLocation; |
| event.stateMask = stateMask; |
| Shell shell = getShell (); |
| |
| boolean all = false; |
| switch (traversal) { |
| case SWT.TRAVERSE_ESCAPE: |
| case SWT.TRAVERSE_RETURN: |
| case SWT.TRAVERSE_PAGE_NEXT: |
| case SWT.TRAVERSE_PAGE_PREVIOUS: { |
| all = true; |
| // FALL THROUGH |
| } |
| case SWT.TRAVERSE_ARROW_NEXT: |
| case SWT.TRAVERSE_ARROW_PREVIOUS: |
| case SWT.TRAVERSE_TAB_NEXT: |
| case SWT.TRAVERSE_TAB_PREVIOUS: { |
| /* traversal is a valid traversal action */ |
| break; |
| } |
| case SWT.TRAVERSE_MNEMONIC: /* not supported on OS X */ |
| // FALL THROUGH |
| default: { |
| /* traversal is not a valid traversal action */ |
| return false; |
| } |
| } |
| |
| 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; |
| } |
| |
| /** |
| * 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>, <code>SWT.TRAVERSE_ARROW_PREVIOUS</code>, |
| * <code>SWT.TRAVERSE_PAGE_NEXT</code> and <code>SWT.TRAVERSE_PAGE_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(); |
| NSArray isPainting = display.isPainting; |
| if (isPainting.containsObject(view)) return; |
| for (int i = 0, length = (int)/*64*/isPainting.count(); i < length; i++) { |
| NSView view = new NSView(isPainting.objectAtIndex(i)); |
| if (view.isDescendantOf(this.view)) return; |
| } |
| if (isResizing()) return; |
| Shell shell = getShell(); |
| NSWindow window = shell.deferFlushing && shell.scrolling ? view.window() : null; |
| try { |
| if (window != null) { |
| window.retain(); |
| window.disableFlushWindow(); |
| } |
| //TODO - not all |
| view.displayIfNeeded (); |
| } finally { |
| if (window != null) { |
| window.enableFlushWindow(); |
| window.release(); |
| } |
| } |
| } |
| |
| void updateBackgroundColor () { |
| Control control = findBackgroundControl (); |
| if (control == null) control = this; |
| double /*float*/ [] color = control.background != null ? control.background : control.defaultBackground().handle; |
| NSColor nsColor = NSColor.colorWithDeviceRed(color[0], color[1], color[2], color[3]); |
| setBackgroundColor (nsColor); |
| } |
| |
| void updateBackgroundImage () { |
| Control control = findBackgroundControl (); |
| Image image = control != null ? control.backgroundImage : backgroundImage; |
| setBackgroundImage (image != null ? image.handle : null); |
| } |
| |
| void updateBackgroundMode () { |
| int oldState = state & PARENT_BACKGROUND; |
| checkBackground (); |
| if (oldState != (state & PARENT_BACKGROUND)) { |
| setBackground (); |
| } |
| } |
| |
| @Override |
| void resetCursorRects (long /*int*/ id, long /*int*/ sel) { |
| if (isEnabled ()) callSuper (id, sel); |
| } |
| |
| @Override |
| void updateTrackingAreas (long /*int*/ id, long /*int*/ 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 */ |
| } |
| |
| } |
