diff options
Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/ToolItem.java')
| -rwxr-xr-x | bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/ToolItem.java | 992 |
1 files changed, 0 insertions, 992 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/ToolItem.java b/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/ToolItem.java deleted file mode 100755 index 21853d587f..0000000000 --- a/bundles/org.eclipse.swt/Eclipse SWT/cocoa/org/eclipse/swt/widgets/ToolItem.java +++ /dev/null @@ -1,992 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2009 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.swt.widgets; - - -import org.eclipse.swt.*; -import org.eclipse.swt.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; - 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); -} - -int /*long*/ accessibilityAttributeValue(int /*long*/ id, int /*long*/ sel, int /*long*/ 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 - int /*long*/ description = OS.NSAccessibilityRoleDescription (roleText.id, 0); - return description; - } - } - } else if (nsAttributeName.isEqualToString (OS.NSAccessibilityTitleAttribute) || nsAttributeName.isEqualToString (OS.NSAccessibilityDescriptionAttribute)) { - String accessibleText = toolTipText; - if (accessibleText == null || accessibleText.equals("")) accessibleText = text; - if (!(accessibleText == null || accessibleText.equals(""))) { - return NSString.stringWith(accessibleText).id; - } else { - return NSString.stringWith("").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.numberWithInt(getEnabled() ? 1 : 0); - return value.id; - } - - return super.accessibilityAttributeValue(id, sel, arg0); -} - -/** - * 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> - * - * @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); -} - -protected void checkSubclass () { - if (!isValidSubclass ()) error (SWT.ERROR_INVALID_SUBCLASS); -} - -Point computeSize () { - checkWidget(); - int width = 0, height = 0; - if ((style & SWT.SEPARATOR) != 0) { - if ((parent.style & SWT.HORIZONTAL) != 0) { - width = getWidth (); - height = DEFAULT_HEIGHT; - } else { - width = DEFAULT_WIDTH; - height = getWidth (); - } - if (control != null) { - height = Math.max (height, control.getMininumHeight ()); - } - } else { - if (text.length () != 0 || image != null) { - NSButton widget = (NSButton)button; - NSSize size = widget.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; - } - width += INSET * 2; - height += INSET * 2; - } - return new Point (width, height); -} - -void createHandle () { - if ((style & SWT.SEPARATOR) != 0) { - 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(); - button.setBordered(false); - button.setAction(OS.sel_sendSelection); - button.setTarget(button); - Font font = parent.font != null ? parent.font : parent.defaultFont (); - button.setFont(font.handle); - button.setImagePosition(OS.NSImageOverlaps); - NSString emptyStr = NSString.stringWith(""); - button.setTitle(emptyStr); - button.setEnabled(parent.getEnabled()); - widget.addSubview(button); - view = widget; - } -} - -NSAttributedString createString() { - NSAttributedString attribStr = parent.createString(text, null, parent.foreground, SWT.CENTER, true, true); - attribStr.autorelease(); - return attribStr; -} - -void deregister () { - super.deregister (); - display.removeWidget(view); - - if (button != null) { - display.removeWidget (button); - display.removeWidget (button.cell()); - } -} - -void destroyWidget() { - parent.destroyItem(this); - super.destroyWidget(); -} - -void drawImageWithFrameInView (int /*long*/ id, int /*long*/ sel, int /*long*/ image, NSRect rect, int /*long*/ view) { - if (text.length () > 0) { - if ((parent.style & SWT.RIGHT) != 0) { - rect.x += 3; - } else { - rect.y += 3; - } - } - callSuper (id, sel, image, rect, view); -} - -void drawWidget (int /*long*/ id, NSGraphicsContext context, NSRect rect) { - if (id == view.id) { - if (getSelection ()) { - 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 ((style & SWT.SEPARATOR) == 0) { - ((NSButton)button).setEnabled(enabled); - } -} - -/** - * 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(); - NSRect rect = view.frame(); - return new Rectangle((int)rect.x, (int)rect.y, (int)rect.width, (int)rect.height); -} - -void setClipRegion (float /*double*/ x, float /*double*/ y) { - NSRect frame = view.frame(); - parent.setClipRegion(frame.x + x, frame.y + y); -} - -/** - * 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; -} - -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; -} - -/** - * 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 (); -} - -boolean isDrawing () { - return getDrawing() && parent.isDrawing (); -} - -int /*long*/ menuForEvent (int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - return parent.menuForEvent (id, sel, theEvent); -} - -void mouseDown(int /*long*/ id, int /*long*/ sel, int /*long*/ 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); - postEvent (SWT.Selection, event); - } -} - -void mouseUp(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseUp)) return; - super.mouseUp(id, sel, theEvent); -} - -void mouseDragged(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseMove)) return; - super.mouseDragged(id, sel, theEvent); -} - -void rightMouseDown(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseDown)) return; - super.rightMouseDown(id, sel, theEvent); -} - -void rightMouseUp(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseUp)) return; - super.rightMouseUp(id, sel, theEvent); -} - -void rightMouseDragged(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseMove)) return; - super.rightMouseDragged(id, sel, theEvent); -} - -void otherMouseDown(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseDown)) return; - super.otherMouseDown(id, sel, theEvent); -} - -void otherMouseUp(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseUp)) return; - super.otherMouseUp(id, sel, theEvent); -} - -void otherMouseDragged(int /*long*/ id, int /*long*/ sel, int /*long*/ theEvent) { - if (!parent.mouseEvent(parent.view.id, sel, theEvent, SWT.MouseMove)) return; - super.otherMouseDragged(id, sel, theEvent); -} - -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); -} - -void releaseParent () { - super.releaseParent (); - setVisible (false); -} - -void releaseHandle () { - super.releaseHandle (); - if (view != null) view.release (); - if (button != null) button.release (); - view = button = null; - parent = null; -} - -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); -} - -void sendSelection () { - if ((style & SWT.RADIO) != 0) { - if ((parent.getStyle () & SWT.NO_RADIO_GROUP) == 0) { - selectRadio (); - } - } - if ((style & SWT.CHECK) != 0) setSelection (!getSelection ()); - postEvent (SWT.Selection); -} - -void setBounds (int x, int y, int width, int height) { - NSRect rect = new NSRect(); - 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); - } -} - -/** - * 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; - NSBox widget = (NSBox)view; - if (control == null) { - widget.setBoxType(OS.NSBoxSeparator); - } else { - widget.setBoxType(OS.NSBoxCustom); - } - 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); -} - -/** - * 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); -} - -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); - postEvent (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; - 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> - * - * @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> - */ -public void setText (String string) { - checkWidget(); - if (string == null) error (SWT.ERROR_NULL_ARGUMENT); - if ((style & SWT.SEPARATOR) != 0) return; - super.setText (string); - NSButton widget = (NSButton)button; - 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> - * - * @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; - 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 - * - * @exception SWTException <ul> - * <li>ERROR_WIDGET_DISPOSED - 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 < 0 || this.width == width) return; - this.width = width; - parent.relayout(); -} - -String tooltipText () { - return toolTipText; -} - -void updateImage (boolean layout) { - if ((style & SWT.SEPARATOR) != 0) return; - Image image = null; - if (hotImage != null) { - image = hotImage; - } else { - if (this.image != null) { - image = this.image; - } else { - image = disabledImage; - } - } - 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(image != null ? image.handle : null); - widget.setNeedsDisplay(true); - if (text.length() != 0 && image != null) { - if ((parent.style & SWT.RIGHT) != 0) { - widget.setImagePosition(OS.NSImageLeft); - } else { - ((NSButton)button).setImagePosition(OS.NSImageAbove); - } - } else { - widget.setImagePosition(text.length() != 0 ? OS.NSNoImage : OS.NSImageOnly); - } - parent.relayout(); -} - -} |