| /******************************************************************************* |
| * Copyright (c) 2000, 2012 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.graphics.*; |
| import org.eclipse.swt.internal.cocoa.*; |
| |
| /** |
| * Instances of this class represent a selectable user interface object |
| * that represents a button in a tool bar. |
| * <dl> |
| * <dt><b>Styles:</b></dt> |
| * <dd>PUSH, CHECK, RADIO, SEPARATOR, DROP_DOWN</dd> |
| * <dt><b>Events:</b></dt> |
| * <dd>Selection</dd> |
| * </dl> |
| * <p> |
| * Note: Only one of the styles CHECK, PUSH, RADIO, SEPARATOR and DROP_DOWN |
| * may be specified. |
| * </p><p> |
| * IMPORTANT: This class is <em>not</em> intended to be subclassed. |
| * </p> |
| * |
| * @see <a href="http://www.eclipse.org/swt/snippets/#toolbar">ToolBar, ToolItem snippets</a> |
| * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
| * @noextend This class is not intended to be subclassed by clients. |
| */ |
| public class ToolItem extends Item { |
| NSView view; |
| NSButton button; |
| NSToolbarItem nsItem; |
| NSMenuItem nsMenuRep; |
| NSString id; |
| int width = DEFAULT_SEPARATOR_WIDTH; |
| ToolBar parent; |
| Image hotImage, disabledImage; |
| String toolTipText; |
| Control control; |
| boolean selection; |
| |
| static final int DEFAULT_WIDTH = 24; |
| static final int DEFAULT_HEIGHT = 22; |
| static final int DEFAULT_SEPARATOR_WIDTH = 6; |
| static final int INSET = 3; |
| static final int ARROW_WIDTH = 5; |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>ToolBar</code>) and a style value |
| * describing its behavior and appearance. The item is added |
| * to the end of the items maintained by its parent. |
| * <p> |
| * The style value is either one of the style constants defined in |
| * class <code>SWT</code> which is applicable to instances of this |
| * class, or must be built by <em>bitwise OR</em>'ing together |
| * (that is, using the <code>int</code> "|" operator) two or more |
| * of those <code>SWT</code> style constants. The class description |
| * lists the style constants that are applicable to the class. |
| * Style bits are also inherited from superclasses. |
| * </p> |
| * |
| * @param parent a composite control which will be the parent of the new instance (cannot be null) |
| * @param style the style of control to construct |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
| * </ul> |
| * |
| * @see SWT#PUSH |
| * @see SWT#CHECK |
| * @see SWT#RADIO |
| * @see SWT#SEPARATOR |
| * @see SWT#DROP_DOWN |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public ToolItem (ToolBar parent, int style) { |
| super (parent, checkStyle (style)); |
| this.parent = parent; |
| parent.createItem (this, parent.getItemCount ()); |
| } |
| |
| /** |
| * Constructs a new instance of this class given its parent |
| * (which must be a <code>ToolBar</code>), a style value |
| * describing its behavior and appearance, and the index |
| * at which to place it in the items maintained by its parent. |
| * <p> |
| * The style value is either one of the style constants defined in |
| * class <code>SWT</code> which is applicable to instances of this |
| * class, or must be built by <em>bitwise OR</em>'ing together |
| * (that is, using the <code>int</code> "|" operator) two or more |
| * of those <code>SWT</code> style constants. The class description |
| * lists the style constants that are applicable to the class. |
| * Style bits are also inherited from superclasses. |
| * </p> |
| * |
| * @param parent a composite control which will be the parent of the new instance (cannot be null) |
| * @param style the style of control to construct |
| * @param index the zero-relative index to store the receiver in its parent |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the parent is null</li> |
| * <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the parent (inclusive)</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li> |
| * <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li> |
| * </ul> |
| * |
| * @see SWT#PUSH |
| * @see SWT#CHECK |
| * @see SWT#RADIO |
| * @see SWT#SEPARATOR |
| * @see SWT#DROP_DOWN |
| * @see Widget#checkSubclass |
| * @see Widget#getStyle |
| */ |
| public ToolItem (ToolBar parent, int style, int index) { |
| super (parent, checkStyle (style)); |
| this.parent = parent; |
| parent.createItem (this, index); |
| } |
| |
| @Override |
| long /*int*/ accessibleHandle() { |
| if (button != null && button.cell() != null) return button.cell().id; |
| if (view != null) return view.id; |
| return 0; |
| } |
| |
| @Override |
| long /*int*/ accessibilityActionNames(long /*int*/ id, long /*int*/ sel) { |
| |
| long /*int*/ returnValue = super.accessibilityActionNames(id, sel); |
| |
| if (id == accessibleHandle()) { |
| if ((style & SWT.DROP_DOWN) != 0) { |
| NSArray baseArray = new NSArray(returnValue); |
| NSMutableArray ourNames = NSMutableArray.arrayWithCapacity(baseArray.count() + 1); |
| ourNames.addObjectsFromArray(baseArray); |
| ourNames.addObject(OS.NSAccessibilityShowMenuAction); |
| returnValue = ourNames.id; |
| } |
| } else { |
| returnValue = super.accessibilityActionNames(id, sel); |
| } |
| return returnValue; |
| } |
| |
| @Override |
| long /*int*/ accessibilityAttributeNames(long /*int*/ id, long /*int*/ sel) { |
| |
| long /*int*/ returnValue = super.accessibilityAttributeNames(id, sel); |
| |
| if (id == accessibleHandle()) { |
| if ((style & (SWT.CHECK|SWT.RADIO)) !=0) { |
| NSArray baseArray = new NSArray(returnValue); |
| NSMutableArray ourNames = NSMutableArray.arrayWithCapacity(baseArray.count() + 1); |
| ourNames.addObjectsFromArray(baseArray); |
| ourNames.addObject(OS.NSAccessibilityValueAttribute); |
| returnValue = ourNames.id; |
| } else if ((style & SWT.DROP_DOWN) != 0) { |
| NSArray baseArray = new NSArray(returnValue); |
| NSMutableArray ourNames = NSMutableArray.arrayWithCapacity(baseArray.count() + 1); |
| ourNames.addObjectsFromArray(baseArray); |
| ourNames.addObject(OS.NSAccessibilityChildrenAttribute); |
| returnValue = ourNames.id; |
| } |
| } else { |
| returnValue = super.accessibilityAttributeNames(id, sel); |
| } |
| return returnValue; |
| } |
| |
| @Override |
| long /*int*/ accessibilityAttributeValue(long /*int*/ id, long /*int*/ sel, long /*int*/ arg0) { |
| NSString nsAttributeName = new NSString(arg0); |
| |
| if (nsAttributeName.isEqualToString (OS.NSAccessibilityRoleAttribute) || nsAttributeName.isEqualToString (OS.NSAccessibilityRoleDescriptionAttribute)) { |
| NSString roleText = ((style & SWT.PUSH) != 0) ? OS.NSAccessibilityButtonRole |
| : ((style & SWT.RADIO) != 0) ? OS.NSAccessibilityRadioButtonRole |
| : ((style & SWT.CHECK) != 0) ? OS.NSAccessibilityCheckBoxRole |
| : ((style & SWT.DROP_DOWN) != 0) ? OS.NSAccessibilityMenuButtonRole |
| : null; // SEPARATOR |
| if (roleText != null) { |
| if (nsAttributeName.isEqualToString (OS.NSAccessibilityRoleAttribute)) { |
| return roleText.id; |
| } else { // NSAccessibilityRoleDescriptionAttribute |
| long /*int*/ description = OS.NSAccessibilityRoleDescription (roleText.id, 0); |
| return description; |
| } |
| } |
| } else if (nsAttributeName.isEqualToString (OS.NSAccessibilityTitleAttribute)) { |
| String accessibleText = text.length() > 0 ? text : toolTipText; |
| if (accessibleText != null) { |
| return NSString.stringWith(accessibleText).id; |
| } else { |
| return NSString.string().id; |
| } |
| } else if (nsAttributeName.isEqualToString (OS.NSAccessibilityHelpAttribute)) { |
| String accessibleText = toolTipText; |
| if (accessibleText != null) { |
| return NSString.stringWith(accessibleText).id; |
| } else { |
| return NSString.string().id; |
| } |
| } else if (nsAttributeName.isEqualToString (OS.NSAccessibilityValueAttribute) && (style & (SWT.CHECK | SWT.RADIO)) != 0) { |
| NSNumber value = NSNumber.numberWithInt(selection ? 1 : 0); |
| return value.id; |
| } else if (nsAttributeName.isEqualToString(OS.NSAccessibilityEnabledAttribute)) { |
| NSNumber value = NSNumber.numberWithBool(getEnabled()); |
| return value.id; |
| } else if (nsAttributeName.isEqualToString(OS.NSAccessibilityChildrenAttribute)) { |
| // |
| NSArray value = NSArray.array(); |
| return value.id; |
| } else if (nsAttributeName.isEqualToString(OS.NSAccessibilityParentAttribute)) { |
| // Parent of the toolitem is always its toolbar. |
| return parent.view.id; |
| } |
| |
| return super.accessibilityAttributeValue(id, sel, arg0); |
| } |
| |
| @Override |
| boolean accessibilityIsIgnored(long /*int*/ id, long /*int*/ sel) { |
| // The interesting part of a ToolItem is its button, if it has one. |
| if (id == accessibleHandle()) return false; |
| return super.accessibilityIsIgnored(id, sel); |
| } |
| |
| /** |
| * Adds the listener to the collection of listeners who will |
| * be notified when the control is selected by the user, by sending |
| * it one of the messages defined in the <code>SelectionListener</code> |
| * interface. |
| * <p> |
| * When <code>widgetSelected</code> is called when the mouse is over the arrow portion of a drop-down tool, |
| * the event object detail field contains the value <code>SWT.ARROW</code>. |
| * <code>widgetDefaultSelected</code> is not called. |
| * </p> |
| * <p> |
| * When the <code>SWT.RADIO</code> style bit is set, the <code>widgetSelected</code> method is |
| * also called when the receiver loses selection because another item in the same radio group |
| * was selected by the user. During <code>widgetSelected</code> the application can use |
| * <code>getSelection()</code> to determine the current selected state of the receiver. |
| * </p> |
| * |
| * @param listener the listener which should be notified when the control is selected by the user, |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #removeSelectionListener |
| * @see SelectionEvent |
| */ |
| public void addSelectionListener(SelectionListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| TypedListener typedListener = new TypedListener(listener); |
| addListener(SWT.Selection,typedListener); |
| addListener(SWT.DefaultSelection,typedListener); |
| } |
| |
| static int checkStyle (int style) { |
| return checkBits (style, SWT.PUSH, SWT.CHECK, SWT.RADIO, SWT.SEPARATOR, SWT.DROP_DOWN, 0); |
| } |
| |
| @Override |
| protected void checkSubclass () { |
| if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); |
| } |
| |
| boolean handleKeyDown() { |
| if ((style & SWT.DROP_DOWN) != 0) { |
| NSRect frame = view.frame(); |
| Event event = new Event (); |
| event.detail = SWT.ARROW; |
| event.x = (int)frame.x; |
| event.y = (int)(frame.y + frame.height); |
| sendSelectionEvent (SWT.Selection, event, false); |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| Point computeSize () { |
| checkWidget(); |
| int width = 0, height = 0; |
| if ((style & SWT.SEPARATOR) != 0) { |
| // In the unified toolbar case the width is ignored if 0, DEFAULT, or SEPARATOR_FILL. |
| if ((parent.style & SWT.HORIZONTAL) != 0) { |
| width = getWidth (); |
| if (width <= 0) width = DEFAULT_SEPARATOR_WIDTH; |
| height = DEFAULT_HEIGHT; |
| } else { |
| width = DEFAULT_WIDTH; |
| height = getWidth (); |
| if (height <= 0) height = DEFAULT_SEPARATOR_WIDTH; |
| } |
| if (control != null) { |
| height = Math.max (height, control.getMininumHeight ()); |
| } |
| } else { |
| if (text.length () != 0 || image != null) { |
| NSSize size = button.cell().cellSize(); |
| width = (int)Math.ceil(size.width); |
| height = (int)Math.ceil(size.height); |
| } else { |
| width = DEFAULT_WIDTH; |
| height = DEFAULT_HEIGHT; |
| } |
| if ((style & SWT.DROP_DOWN) != 0) { |
| width += ARROW_WIDTH + INSET; |
| } |
| |
| if (parent.nsToolbar == null || image != null) { |
| width += INSET * 2; |
| height += INSET * 2; |
| } else { |
| height -= 2; |
| } |
| } |
| return new Point (width, height); |
| } |
| |
| @Override |
| void createHandle () { |
| if (parent.nsToolbar != null) { |
| id = NSString.stringWith(String.valueOf(ToolBar.NEXT_ID++)); |
| id.retain(); |
| nsItem = ((NSToolbarItem)new NSToolbarItem().alloc()).initWithItemIdentifier(id); |
| nsItem.setAction(OS.sel_sendSelection); |
| nsMenuRep = ((NSMenuItem)new SWTMenuItem().alloc()).initWithTitle(NSString.string(), OS.sel_sendSelection, NSString.string()); |
| nsItem.setMenuFormRepresentation(nsMenuRep); |
| } |
| |
| if ((style & SWT.SEPARATOR) != 0) { |
| if (parent.nsToolbar != null) { |
| view = (NSView)new SWTView().alloc(); |
| view.init(); |
| } else { |
| NSBox widget = (NSBox)new SWTBox().alloc(); |
| widget.init(); |
| widget.setBoxType(OS.NSBoxSeparator); |
| widget.setBorderWidth(0); |
| view = widget; |
| } |
| } else { |
| NSView widget = (NSView)new SWTView().alloc(); |
| widget.init(); |
| button = (NSButton)new SWTButton().alloc(); |
| button.init(); |
| /* |
| * Feature in Cocoa. NSButtons without borders do not leave any margin |
| * between their edge and their image. The workaround is to provide a |
| * custom cell that displays the image in a better position. |
| */ |
| NSButtonCell cell = (NSButtonCell)new SWTButtonCell ().alloc ().init (); |
| button.setCell (cell); |
| cell.release(); |
| cell.setHighlightsBy(OS.NSContentsCellMask); |
| cell.setBackgroundStyle(OS.NSBackgroundStyleRaised); |
| button.setBordered(false); |
| button.setAction(OS.sel_sendSelection); |
| button.setTarget(button); |
| if (nsMenuRep != null) nsMenuRep.setTarget(button); |
| Font font = parent.font != null ? parent.font : parent.defaultFont (); |
| button.setFont(font.handle); |
| button.setImagePosition(OS.NSImageOverlaps); |
| button.setTitle(NSString.string()); |
| button.setEnabled(parent.getEnabled()); |
| widget.addSubview(button); |
| view = widget; |
| } |
| } |
| |
| NSAttributedString createString() { |
| NSAttributedString attribStr = parent.createString(text, null, parent.foreground, SWT.CENTER, false, true, true); |
| attribStr.autorelease(); |
| return attribStr; |
| } |
| |
| @Override |
| void deregister () { |
| super.deregister (); |
| display.removeWidget(view); |
| |
| if (button != null) { |
| display.removeWidget (button); |
| display.removeWidget (button.cell()); |
| } |
| } |
| |
| @Override |
| void destroyWidget() { |
| parent.destroyItem(this); |
| super.destroyWidget(); |
| } |
| |
| @Override |
| void drawImageWithFrameInView (long /*int*/ id, long /*int*/ sel, long /*int*/ image, NSRect rect, long /*int*/ view) { |
| if (text.length () > 0) { |
| if ((parent.style & SWT.RIGHT) != 0) { |
| rect.x += 3; |
| } else { |
| rect.y += 3; |
| } |
| } |
| long /*int*/ cgContext = NSGraphicsContext.currentContext().graphicsPort(); |
| NSCell cell = new NSCell(id); |
| boolean drawSelected = (parent.nsToolbar != null) && getSelection() && ((style & SWT.CHECK) != 0) && !cell.isHighlighted(); |
| |
| if (drawSelected) { |
| NSGraphicsContext.currentContext().saveGraphicsState(); |
| CGRect cgRect = new CGRect(); |
| cgRect.origin.x = rect.x; |
| cgRect.origin.y = rect.y; |
| cgRect.size.width = rect.width; |
| cgRect.size.height = rect.height; |
| OS.CGContextBeginTransparencyLayerWithRect(cgContext, cgRect, 0); |
| } |
| |
| super.drawImageWithFrameInView(id, sel, image, rect, view); |
| |
| if (drawSelected) { |
| NSColor.colorWithDeviceRed(0,0,0,.3f).setFill(); |
| OS.NSRectFillUsingOperation(rect, OS.NSCompositeSourceAtop); |
| OS.CGContextEndTransparencyLayer(cgContext); |
| NSGraphicsContext.currentContext().restoreGraphicsState(); |
| } |
| } |
| |
| @Override |
| NSRect drawTitleWithFrameInView (long /*int*/ id, long /*int*/ sel, long /*int*/ title, NSRect titleRect, long /*int*/ view) { |
| boolean hiliteShadow = new NSButtonCell(id).isHighlighted() && text.length() > 0 && image == null; |
| |
| // An unbordered cell doesn't draw any highlighting when pushed or selected, so we have to do it here. |
| if (hiliteShadow) { |
| NSColor transWhiteColor = NSColor.colorWithDeviceRed(1.0f, 1.0f, 1.0f, .8f); |
| NSAttributedString attribStr = new NSAttributedString(title); |
| NSMutableAttributedString tmpString = new NSMutableAttributedString(attribStr.mutableCopy()); |
| NSRange range = new NSRange(); |
| range.location = 0; |
| range.length = attribStr.length(); |
| tmpString.addAttribute(OS.NSForegroundColorAttributeName, transWhiteColor, range); |
| tmpString.autorelease(); |
| title = tmpString.id; |
| } |
| return super.drawTitleWithFrameInView(id, sel, title, titleRect, view); |
| } |
| |
| @Override |
| void drawWidget (long /*int*/ id, NSGraphicsContext context, NSRect rect) { |
| if (id == view.id) { |
| boolean drawSelected = getSelection() && (parent.nsToolbar == null); |
| if (drawSelected) { |
| NSRect bounds = view.bounds(); |
| context.saveGraphicsState(); |
| NSColor.colorWithDeviceRed(0.1f, 0.1f, 0.1f, 0.1f).setFill(); |
| NSColor.colorWithDeviceRed(0.2f, 0.2f, 0.2f, 0.2f).setStroke(); |
| NSBezierPath.fillRect(bounds); |
| bounds.x += 0.5f; |
| bounds.y += 0.5f; |
| bounds.width -= 1; |
| bounds.height -= 1; |
| NSBezierPath.strokeRect(bounds); |
| context.restoreGraphicsState(); |
| } |
| if ((style & SWT.DROP_DOWN) != 0) { |
| NSRect bounds = view.bounds(); |
| context.saveGraphicsState(); |
| NSBezierPath path = NSBezierPath.bezierPath(); |
| NSPoint pt = new NSPoint(); |
| path.moveToPoint(pt); |
| pt.x += ARROW_WIDTH; |
| path.lineToPoint(pt); |
| pt.y += ARROW_WIDTH - 1; |
| pt.x -= ARROW_WIDTH / 2f; |
| path.lineToPoint(pt); |
| path.closePath(); |
| NSAffineTransform transform = NSAffineTransform.transform(); |
| transform.translateXBy((int)bounds.width - ARROW_WIDTH - INSET, (int)(bounds.height - ARROW_WIDTH / 2) / 2); |
| transform.concat(); |
| NSColor color = isEnabled() ? NSColor.blackColor() : NSColor.disabledControlTextColor(); |
| color.set(); |
| path.fill(); |
| context.restoreGraphicsState(); |
| } |
| } |
| } |
| |
| void enableWidget(boolean enabled) { |
| if (parent.nsToolbar != null) { |
| nsItem.setEnabled(enabled); |
| } |
| |
| if ((style & SWT.SEPARATOR) == 0) { |
| ((NSButton)button).setEnabled(enabled); |
| updateImage(true); |
| } |
| } |
| |
| /** |
| * Returns a rectangle describing the receiver's size and location |
| * relative to its parent. |
| * |
| * @return the receiver's bounding rectangle |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Rectangle getBounds () { |
| checkWidget(); |
| if (parent.nsToolbar != null) { |
| NSRect rect = view.frame(); |
| // ToolItems in the unified toolbar are not contained directly within the Toolbar. |
| // Convert the toolitem rect from toolitem-relative coordinates to its |
| // parent, the toolbar, relative coordinates. |
| rect = parent.view.convertRect_fromView_(rect, view); |
| return new Rectangle((int)rect.x, (int)rect.y, (int)rect.width, (int)rect.height); |
| } |
| |
| NSRect rect = view.frame(); |
| return new Rectangle((int)rect.x, (int)rect.y, (int)rect.width, (int)rect.height); |
| } |
| |
| @Override |
| void setClipRegion (NSView view) { |
| parent.setClipRegion(view); |
| } |
| |
| /** |
| * Returns the control that is used to fill the bounds of |
| * the item when the item is a <code>SEPARATOR</code>. |
| * |
| * @return the control |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Control getControl () { |
| checkWidget(); |
| return control; |
| } |
| |
| /** |
| * Returns the receiver's disabled image if it has one, or null |
| * if it does not. |
| * <p> |
| * The disabled image is displayed when the receiver is disabled. |
| * </p> |
| * |
| * @return the receiver's disabled image |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Image getDisabledImage () { |
| checkWidget(); |
| return disabledImage; |
| } |
| |
| @Override |
| boolean getDrawing () { |
| return parent.getDrawing (); |
| } |
| |
| /** |
| * 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 receiver's hot image if it has one, or null |
| * if it does not. |
| * <p> |
| * The hot image is displayed when the mouse enters the receiver. |
| * </p> |
| * |
| * @return the receiver's hot image |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public Image getHotImage () { |
| checkWidget(); |
| return hotImage; |
| } |
| |
| NSString getItemID() { |
| NSString itemID = id; |
| |
| // For separators, return a Cocoa constant for the tool item ID. |
| if ((style & SWT.SEPARATOR) != 0) { |
| // If we are using a non-default width or control use that instead. |
| if (control == null) { |
| if (width == DEFAULT_SEPARATOR_WIDTH || width == 0) { |
| if (OS.VERSION < 0x1070) itemID = OS.NSToolbarSeparatorItemIdentifier; |
| } else if (width == SWT.DEFAULT) { |
| itemID = OS.NSToolbarSpaceItemIdentifier; |
| } else if (width == SWT.SEPARATOR_FILL) { |
| itemID = OS.NSToolbarFlexibleSpaceItemIdentifier; |
| } |
| } |
| } |
| |
| return itemID; |
| } |
| |
| /** |
| * Returns the receiver's parent, which must be a <code>ToolBar</code>. |
| * |
| * @return the receiver's parent |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public ToolBar getParent () { |
| checkWidget(); |
| return parent; |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is selected, |
| * and false otherwise. |
| * <p> |
| * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
| * it is selected when it is checked (which some platforms draw as a |
| * pushed in button). If the receiver is of any other type, this method |
| * returns false. |
| * </p> |
| * |
| * @return the selection state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public boolean getSelection () { |
| checkWidget(); |
| if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return false; |
| return selection; |
| } |
| |
| /** |
| * Returns the receiver's tool tip text, or null if it has not been set. |
| * |
| * @return the receiver's tool tip text |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public String getToolTipText () { |
| checkWidget(); |
| return toolTipText; |
| } |
| |
| /** |
| * Gets the width of the receiver. |
| * |
| * @return the width |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public int getWidth () { |
| checkWidget(); |
| return width; |
| } |
| |
| /** |
| * Returns <code>true</code> if the receiver is enabled and all |
| * of the receiver's ancestors are enabled, and <code>false</code> |
| * otherwise. A disabled control is typically not selectable from the |
| * user interface and draws with an inactive or "grayed" look. |
| * |
| * @return the receiver's enabled state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see #getEnabled |
| */ |
| public boolean isEnabled () { |
| checkWidget(); |
| return getEnabled () && parent.isEnabled (); |
| } |
| |
| @Override |
| boolean isDrawing () { |
| return getDrawing() && parent.isDrawing (); |
| } |
| |
| @Override |
| long /*int*/ menuForEvent (long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| return parent.menuForEvent (id, sel, theEvent); |
| } |
| |
| @Override |
| void mouseDown(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseDown)) return; |
| Display display = this.display; |
| display.trackingControl = parent; |
| super.mouseDown(id, sel, theEvent); |
| display.trackingControl = null; |
| if ((style & SWT.DROP_DOWN) != 0 && id == view.id) { |
| NSRect frame = view.frame(); |
| Event event = new Event (); |
| event.detail = SWT.ARROW; |
| event.x = (int)frame.x; |
| event.y = (int)(frame.y + frame.height); |
| sendSelectionEvent (SWT.Selection, event, false); |
| } |
| } |
| |
| @Override |
| boolean mouseDownCanMoveWindow(long /*int*/ id, long /*int*/ sel) { |
| if (id == view.id) return false; |
| return super.mouseDownCanMoveWindow(id, sel); |
| } |
| |
| @Override |
| void mouseUp(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseUp)) return; |
| super.mouseUp(id, sel, theEvent); |
| } |
| |
| @Override |
| void mouseDragged(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseMove)) return; |
| super.mouseDragged(id, sel, theEvent); |
| } |
| |
| @Override |
| void rightMouseDown(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseDown)) return; |
| super.rightMouseDown(id, sel, theEvent); |
| } |
| |
| @Override |
| void rightMouseUp(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseUp)) return; |
| super.rightMouseUp(id, sel, theEvent); |
| } |
| |
| @Override |
| void rightMouseDragged(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseMove)) return; |
| super.rightMouseDragged(id, sel, theEvent); |
| } |
| |
| @Override |
| void otherMouseDown(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseDown)) return; |
| super.otherMouseDown(id, sel, theEvent); |
| } |
| |
| @Override |
| void otherMouseUp(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseUp)) return; |
| super.otherMouseUp(id, sel, theEvent); |
| } |
| |
| @Override |
| void otherMouseDragged(long /*int*/ id, long /*int*/ sel, long /*int*/ theEvent) { |
| if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseMove)) return; |
| super.otherMouseDragged(id, sel, theEvent); |
| } |
| |
| @Override |
| void register () { |
| super.register (); |
| display.addWidget (view, this); |
| |
| if (button != null) { |
| display.addWidget (button, this); |
| display.addWidget (button.cell(), this); |
| } |
| } |
| |
| /** |
| * Removes the listener from the collection of listeners who will |
| * be notified when the control is selected by the user. |
| * |
| * @param listener the listener which should no longer be notified |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the listener is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| * |
| * @see SelectionListener |
| * @see #addSelectionListener |
| */ |
| public void removeSelectionListener(SelectionListener listener) { |
| checkWidget(); |
| if (listener == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if (eventTable == null) return; |
| eventTable.unhook(SWT.Selection, listener); |
| eventTable.unhook(SWT.DefaultSelection,listener); |
| } |
| |
| @Override |
| void releaseParent () { |
| super.releaseParent (); |
| setVisible (false); |
| } |
| |
| @Override |
| void releaseHandle () { |
| super.releaseHandle (); |
| if (view != null) view.release (); |
| if (button != null) button.release (); |
| view = button = null; |
| if (nsItem != null) { |
| nsItem.release(); |
| nsItem = null; |
| } |
| if (id != null) { |
| id.release(); |
| id = null; |
| } |
| if (nsMenuRep != null) { |
| nsMenuRep.release(); |
| nsMenuRep = null; |
| } |
| parent = null; |
| } |
| |
| @Override |
| void releaseWidget () { |
| super.releaseWidget (); |
| control = null; |
| toolTipText = null; |
| image = disabledImage = hotImage = null; |
| } |
| |
| void selectRadio () { |
| int index = 0; |
| ToolItem [] items = parent.getItems (); |
| while (index < items.length && items [index] != this) index++; |
| int i = index - 1; |
| while (i >= 0 && items [i].setRadioSelection (false)) --i; |
| int j = index + 1; |
| while (j < items.length && items [j].setRadioSelection (false)) j++; |
| setSelection (true); |
| } |
| |
| @Override |
| void sendSelection () { |
| if ((style & SWT.RADIO) != 0) { |
| if ((parent.getStyle () & SWT.NO_RADIO_GROUP) == 0) { |
| selectRadio (); |
| } |
| } |
| if ((style & SWT.CHECK) != 0) setSelection (!getSelection ()); |
| sendSelectionEvent (SWT.Selection); |
| } |
| |
| void setBounds (int x, int y, int width, int height) { |
| NSRect rect = new NSRect(); |
| if (parent.nsToolbar == null) { |
| rect.x = x; |
| rect.y = y; |
| rect.width = width; |
| rect.height = height; |
| view.setFrame(rect); |
| if (button != null) { |
| rect.x = 0; |
| rect.y = 0; |
| rect.width = width; |
| rect.height = height; |
| if ((style & SWT.DROP_DOWN) != 0) rect.width -= ARROW_WIDTH + INSET; |
| button.setFrame(rect); |
| } |
| } else { |
| // Let the NSToolbar manage the position of the view in the toolbar. |
| NSSize newSize = new NSSize(); |
| newSize.height = height; |
| newSize.width = width; |
| // Temporarily clear the view. This will force the item and toolbar to re-layout |
| // when the view is set again. |
| nsItem.setView(null); |
| view.setFrameSize(newSize); |
| if ((style & SWT.DROP_DOWN) != 0) newSize.width -= ARROW_WIDTH + INSET; |
| if (button != null) button.setFrameSize(newSize); |
| if ((style & SWT.DROP_DOWN) != 0) newSize.width += ARROW_WIDTH + INSET; |
| nsItem.setMinSize(newSize); |
| nsItem.setMaxSize(newSize); |
| nsItem.setView(view); |
| } |
| } |
| |
| /** |
| * Sets the control that is used to fill the bounds of |
| * the item when the item is a <code>SEPARATOR</code>. |
| * |
| * @param control the new control |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the control has been disposed</li> |
| * <li>ERROR_INVALID_PARENT - if the control is not in the same widget tree</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setControl (Control control) { |
| checkWidget(); |
| if (control != null) { |
| if (control.isDisposed()) error (SWT.ERROR_INVALID_ARGUMENT); |
| if (control.parent != parent) error (SWT.ERROR_INVALID_PARENT); |
| } |
| if ((style & SWT.SEPARATOR) == 0) return; |
| if (this.control == control) return; |
| |
| if (parent.nsToolbar == null) { |
| NSBox widget = (NSBox)view; |
| if (control == null) { |
| widget.setBoxType(OS.NSBoxSeparator); |
| } else { |
| widget.setBoxType(OS.NSBoxCustom); |
| } |
| } else { |
| nsItem.setMenuFormRepresentation(control == null ? nsMenuRep : NSMenuItem.separatorItem()); |
| } |
| this.control = control; |
| view.setHidden(control != null); |
| if (control != null && !control.isDisposed ()) { |
| control.moveAbove (null); |
| } |
| parent.relayout (); |
| } |
| |
| /** |
| * Enables the receiver if the argument is <code>true</code>, |
| * and disables it otherwise. |
| * <p> |
| * A disabled control is typically |
| * not selectable from the user interface and draws with an |
| * inactive or "grayed" look. |
| * </p> |
| * |
| * @param enabled the new enabled state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setEnabled (boolean enabled) { |
| checkWidget(); |
| if ((state & DISABLED) == 0 && enabled) return; |
| if (enabled) { |
| state &= ~DISABLED; |
| } else { |
| state |= DISABLED; |
| } |
| enableWidget(enabled); |
| } |
| |
| /** |
| * Sets the receiver's disabled image to the argument, which may be |
| * null indicating that no disabled image should be displayed. |
| * <p> |
| * The disabled image is displayed when the receiver is disabled. |
| * </p> |
| * |
| * @param image the disabled image to display on the receiver (may be null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setDisabledImage (Image image) { |
| checkWidget(); |
| if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| disabledImage = image; |
| updateImage (true); |
| } |
| |
| boolean setFocus () { |
| if (button == null) return false; |
| if (!isEnabled ()) return false; |
| NSWindow window = view.window (); |
| if(window == null) { |
| return false; |
| } |
| return window.makeFirstResponder (button); |
| } |
| |
| /** |
| * Sets the receiver's hot image to the argument, which may be |
| * null indicating that no hot image should be displayed. |
| * <p> |
| * The hot image is displayed when the mouse enters the receiver. |
| * </p> |
| * |
| * @param image the hot image to display on the receiver (may be null) |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setHotImage (Image image) { |
| checkWidget(); |
| if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| hotImage = image; |
| updateImage (true); |
| } |
| |
| @Override |
| public void setImage (Image image) { |
| checkWidget(); |
| if (image != null && image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| super.setImage (image); |
| updateImage (true); |
| } |
| |
| boolean setRadioSelection (boolean value) { |
| if ((style & SWT.RADIO) == 0) return false; |
| if (getSelection () != value) { |
| setSelection (value); |
| sendSelectionEvent (SWT.Selection); |
| } |
| return true; |
| } |
| |
| /** |
| * Sets the selection state of the receiver. |
| * <p> |
| * When the receiver is of type <code>CHECK</code> or <code>RADIO</code>, |
| * it is selected when it is checked (which some platforms draw as a |
| * pushed in button). |
| * </p> |
| * |
| * @param selected the new selection state |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setSelection (boolean selected) { |
| checkWidget(); |
| if ((style & (SWT.CHECK | SWT.RADIO)) == 0) return; |
| this.selection = selected; |
| |
| if (parent.nsToolbar != null) { |
| if ((style & SWT.RADIO) != 0 && selection) { |
| parent.nsToolbar.setSelectedItemIdentifier(nsItem.itemIdentifier()); |
| } |
| } |
| |
| view.setNeedsDisplay(true); |
| } |
| |
| /** |
| * Sets the receiver's text. The string may include |
| * the mnemonic character. |
| * </p> |
| * <p> |
| * Mnemonics are indicated by an '&' that causes the next |
| * character to be the mnemonic. When the user presses a |
| * key sequence that matches the mnemonic, a selection |
| * event occurs. On most platforms, the mnemonic appears |
| * underlined but may be emphasised in a platform specific |
| * manner. The mnemonic indicator character '&' can be |
| * escaped by doubling it in the string, causing a single |
| * '&' to be displayed. |
| * </p><p> |
| * Note: If control characters like '\n', '\t' etc. are used |
| * in the string, then the behavior is platform dependent. |
| * </p> |
| * |
| * @param string the new text |
| * |
| * @exception IllegalArgumentException <ul> |
| * <li>ERROR_NULL_ARGUMENT - if the text is null</li> |
| * </ul> |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| @Override |
| public void setText (String string) { |
| checkWidget(); |
| if (string == null) error (SWT.ERROR_NULL_ARGUMENT); |
| if ((style & SWT.SEPARATOR) != 0) return; |
| if (string.equals (getText ())) return; |
| super.setText (string); |
| NSButton widget = (NSButton)button; |
| if (parent.nsToolbar != null) { |
| char [] chars = new char [text.length ()]; |
| text.getChars (0, chars.length, chars, 0); |
| int length = fixMnemonic (chars); |
| nsMenuRep.setTitle(NSString.stringWithCharacters(chars, length)); |
| } |
| |
| widget.setAttributedTitle(createString()); |
| if (text.length() != 0 && image != null) { |
| if ((parent.style & SWT.RIGHT) != 0) { |
| widget.setImagePosition(OS.NSImageLeft); |
| } else { |
| widget.setImagePosition(OS.NSImageAbove); |
| } |
| } else { |
| widget.setImagePosition(text.length() != 0 ? OS.NSNoImage : OS.NSImageOnly); |
| } |
| parent.relayout (); |
| } |
| |
| /** |
| * 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> |
| * <p> |
| * NOTE: This operation is a hint and behavior is platform specific, on Windows |
| * for CJK-style mnemonics of the form " (&C)" at the end of the tooltip text |
| * are not shown in tooltip. |
| * </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(); |
| if (string == null && toolTipText == null) return; |
| if (string != null && string.equals (toolTipText)) return; |
| toolTipText = string; |
| if (parent.nsToolbar != null) { |
| char[] chars = new char [toolTipText.length ()]; |
| string.getChars (0, chars.length, chars, 0); |
| int length = fixMnemonic (chars); |
| nsItem.setToolTip(NSString.stringWithCharacters (chars, length)); |
| } else { |
| parent.checkToolTip (this); |
| } |
| } |
| |
| void setVisible (boolean visible) { |
| if (visible) { |
| if ((state & HIDDEN) == 0) return; |
| state &= ~HIDDEN; |
| } else { |
| if ((state & HIDDEN) != 0) return; |
| state |= HIDDEN; |
| } |
| view.setHidden(!visible); |
| } |
| |
| /** |
| * Sets the width of the receiver, for <code>SEPARATOR</code> ToolItems. |
| * |
| * @param width the new width. If the new value is <code>SWT.DEFAULT</code>, |
| * the width is a fixed-width area whose amount is determined by the platform. |
| * If the new value is 0 a vertical or horizontal line will be drawn, depending |
| * on the setting of the corresponding style bit (<code>SWT.VERTICAL</code> or |
| * <code>SWT.HORIZONTAL</code>). If the new value is <code>SWT.SEPARATOR_FILL</code> |
| * a variable-width space is inserted that acts as a spring between the two adjoining |
| * items which will push them out to the extent of the containing ToolBar. |
| * |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setWidth (int width) { |
| checkWidget(); |
| if ((style & SWT.SEPARATOR) == 0) return; |
| if (width < SWT.SEPARATOR_FILL || this.width == width) return; |
| this.width = width; |
| if (parent.nsToolbar != null) { |
| NSToolbar toolbar = parent.nsToolbar; |
| int index = parent.indexOf(this); |
| toolbar.removeItemAtIndex(index); |
| toolbar.insertItemWithItemIdentifier(getItemID(), index); |
| } |
| parent.relayout(); |
| } |
| |
| @Override |
| String tooltipText () { |
| return toolTipText; |
| } |
| |
| void updateImage (boolean layout) { |
| if ((style & SWT.SEPARATOR) != 0) return; |
| Image newImage = null; |
| |
| if ((state & DISABLED) == DISABLED && disabledImage != null) { |
| newImage = disabledImage; |
| } else { |
| if ((state & HOT) == HOT && hotImage != null) { |
| newImage = hotImage; |
| } else { |
| newImage = image; |
| } |
| } |
| |
| NSButton widget = (NSButton)button; |
| /* |
| * Feature in Cocoa. If the NSImage object being set into the button is |
| * the same NSImage object that is already there then the button does not |
| * redraw itself. This results in the button's image not visually updating |
| * if the NSImage object's content has changed since it was last set |
| * into the button. The workaround is to explicitly redraw the button. |
| */ |
| widget.setImage(newImage != null ? newImage.handle : null); |
| widget.setNeedsDisplay(true); |
| if (text.length() != 0 && newImage != null) { |
| if ((parent.style & SWT.RIGHT) != 0) { |
| widget.setImagePosition(OS.NSImageLeft); |
| } else { |
| widget.setImagePosition(OS.NSImageAbove); |
| } |
| } else { |
| widget.setImagePosition(text.length() != 0 ? OS.NSNoImage : OS.NSImageOnly); |
| } |
| parent.relayout(); |
| } |
| |
| @Override |
| boolean validateMenuItem(long /*int*/ id, long /*int*/ sel, long /*int*/ menuItem) { |
| return isEnabled(); |
| } |
| |
| } |