| /******************************************************************************* |
| * Copyright (c) 2000, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.widgets; |
| |
| |
| import org.eclipse.swt.internal.cocoa.*; |
| |
| import org.eclipse.swt.*; |
| import org.eclipse.swt.events.*; |
| import org.eclipse.swt.graphics.*; |
| |
| /** |
| * 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> |
| */ |
| public class ToolItem extends Item { |
| NSView view; |
| NSButton button, arrow; |
| 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); |
| } |
| |
| /** |
| * 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)button).sizeToFit (); |
| NSRect frame = button.frame(); |
| width = (int)frame.width; |
| height = (int)frame.height; |
| view.setNeedsDisplay(true); |
| } else { |
| width = DEFAULT_WIDTH; |
| height = DEFAULT_HEIGHT; |
| } |
| if (arrow != null) { |
| width += ARROW_WIDTH; |
| } |
| width += INSET * 2; |
| height += INSET * 2; |
| } |
| return new Point (width, height); |
| } |
| |
| void createWidget() { |
| createJNIRef (); |
| if ((style & SWT.SEPARATOR) != 0) { |
| SWTBox widget = (SWTBox)new SWTBox().alloc(); |
| widget.initWithFrame(new NSRect()); |
| widget.setBoxType(OS.NSBoxSeparator); |
| widget.setTag(jniRef); |
| view = widget; |
| } else { |
| SWTView widget = (SWTView)new SWTView().alloc(); |
| widget.initWithFrame(new NSRect()); |
| widget.setTag(jniRef); |
| parent.contentView().addSubview_(widget); |
| button = (NSButton)new SWTButton().alloc(); |
| button.initWithFrame(new NSRect()); |
| button.setBordered(false); |
| button.setAction(OS.sel_sendSelection); |
| button.setTarget(button); |
| button.setTag(jniRef); |
| 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); |
| if ((style & SWT.DROP_DOWN) != 0) { |
| arrow = (NSButton)new SWTButton().alloc(); |
| arrow.initWithFrame(new NSRect()); |
| arrow.setBordered(false); |
| arrow.setAction(OS.sel_sendArrowSelection); |
| arrow.setTarget(arrow); |
| arrow.setTag(jniRef); |
| arrow.setTitle(emptyStr); |
| arrow.setEnabled(parent.getEnabled()); |
| widget.addSubview_(arrow); |
| } |
| view = widget; |
| } |
| } |
| void destroyWidget() { |
| parent.destroyItem(this); |
| super.destroyWidget(); |
| } |
| |
| void drawRect(int id, NSRect rect) { |
| super.drawRect(id, rect); |
| if (id == view.id && getSelection ()) { |
| NSRect bounds = view.bounds(); |
| NSGraphicsContext context = NSGraphicsContext.currentContext(); |
| 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 (arrow != null && id == arrow.id) { |
| NSRect frame = arrow.frame(); |
| NSGraphicsContext context = NSGraphicsContext.currentContext(); |
| context.saveGraphicsState(); |
| NSPoint p1 = new NSPoint(); |
| p1.y = (float)Math.ceil(frame.height / 2 - frame.width / 2); |
| NSPoint p2 = new NSPoint(); |
| p2.x = frame.width; |
| p2.y = p1.y; |
| NSPoint p3 = new NSPoint(); |
| p3.x = frame.width / 2; |
| p3.y = (float)(p2.y + Math.sqrt(Math.pow(frame.width, 2) - Math.pow(frame.width / 2, 2))); |
| NSBezierPath path = NSBezierPath.bezierPath(); |
| path.moveToPoint(p1); |
| path.lineToPoint(p2); |
| path.lineToPoint(p3); |
| path.closePath(); |
| 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); |
| if (arrow != null) { |
| ((NSButton)arrow).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); |
| } |
| |
| /** |
| * 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; |
| } |
| |
| /** |
| * 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 (); |
| } |
| |
| void releaseParent () { |
| super.releaseParent (); |
| setVisible (false); |
| } |
| |
| void releaseHandle () { |
| super.releaseHandle (); |
| if (view != null) { |
| OS.objc_msgSend(view.id, OS.sel_setTag_1, -1); |
| view.release(); |
| } |
| if (button != null) { |
| OS.objc_msgSend(button.id, OS.sel_setTag_1, -1); |
| button.release(); |
| } |
| if (arrow != null) { |
| OS.objc_msgSend(arrow.id, OS.sel_setTag_1, -1); |
| arrow.release(); |
| } |
| view = button = arrow = null; |
| parent = null; |
| } |
| |
| void releaseWidget () { |
| super.releaseWidget (); |
| control = null; |
| toolTipText = null; |
| image = disabledImage = hotImage = null; |
| } |
| |
| /** |
| * 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 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 sendArrowSelection () { |
| NSRect frame = view.frame(); |
| Event event = new Event (); |
| event.detail = SWT.ARROW; |
| event.x = (int)frame.x; |
| event.y = (int)(frame.y + arrow.frame().height); |
| postEvent (SWT.Selection, event); |
| } |
| |
| 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 - (arrow != null ? ARROW_WIDTH : 0); |
| rect.height = height; |
| button.setFrame(rect); |
| } |
| if (arrow != null) { |
| rect = button.frame(); |
| NSRect arrowRect = new NSRect(); |
| arrowRect.x = width - ARROW_WIDTH; |
| arrowRect.width = ARROW_WIDTH; |
| arrowRect.height = rect.height; |
| arrow.setFrame(arrowRect); |
| } |
| } |
| |
| /** |
| * 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; |
| 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); |
| NSString str = NSString.stringWith(string); |
| ((NSButton)button).setTitle(str); |
| parent.relayout (); |
| if (text.length() != 0 && image != null) { |
| if ((parent.style & SWT.RIGHT) != 0) { |
| ((NSButton)button).setImagePosition(OS.NSImageLeft); |
| } else { |
| ((NSButton)button).setImagePosition(OS.NSImageAbove); |
| } |
| } else { |
| ((NSButton)button).setImagePosition(text.length() != 0 ? OS.NSNoImage : OS.NSImageOnly); |
| } |
| } |
| |
| /** |
| * Sets the receiver's tool tip text to the argument, which |
| * may be null indicating that no tool tip text should be shown. |
| * |
| * @param string the new tool tip text (or null) |
| * |
| * @exception SWTException <ul> |
| * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
| * <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> |
| * </ul> |
| */ |
| public void setToolTipText (String string) { |
| checkWidget(); |
| toolTipText = string; |
| view.setToolTip(NSString.stringWith(string)); |
| } |
| |
| 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(); |
| } |
| |
| 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)button).setImage(image != null ? image.handle : null); |
| if (text.length() != 0 && image != null) { |
| if ((parent.style & SWT.RIGHT) != 0) { |
| ((NSButton)button).setImagePosition(OS.NSImageLeft); |
| } else { |
| ((NSButton)button).setImagePosition(OS.NSImageAbove); |
| } |
| } else { |
| ((NSButton)button).setImagePosition(text.length() != 0 ? OS.NSNoImage : OS.NSImageOnly); |
| } |
| parent.relayout(); |
| } |
| |
| } |