bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Button.java - platform/eclipse.platform.swt - Git at Google

 package org.eclipse.swt.widgets;

 /*
  * Copyright (c) 2000, 2002 IBM Corp.  All rights reserved.
  * This file is made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  */

 import org.eclipse.swt.internal.carbon.OS;
 import org.eclipse.swt.internal.carbon.ControlFontStyleRec;
 import org.eclipse.swt.internal.carbon.ControlButtonContentInfo;
 import org.eclipse.swt.internal.carbon.CFRange;
 import org.eclipse.swt.internal.carbon.Rect;

 import org.eclipse.swt.*;
 import org.eclipse.swt.events.*;
 import org.eclipse.swt.graphics.*;

 public class Button extends Control {
 	String text = "";
 	Image image;
 	int cIcon;
 	boolean isImage;

 public Button (Composite parent, int style) {
 	super (parent, checkStyle (style));
 }

 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) {
 	style = checkBits (style, SWT.PUSH, SWT.ARROW, SWT.CHECK, SWT.RADIO, SWT.TOGGLE, 0);
 	if ((style & SWT.PUSH) != 0) {
 		return checkBits (style, SWT.CENTER, SWT.LEFT, SWT.RIGHT, 0, 0, 0);
 	}
 	if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) != 0) {
 		return checkBits (style, SWT.LEFT, SWT.RIGHT, SWT.CENTER, 0, 0, 0);
 	}
 	if ((style & SWT.ARROW) != 0) {
 		return checkBits (style, SWT.UP, SWT.DOWN, SWT.LEFT, SWT.RIGHT, 0, 0);
 	}
 	return style;
 }

 public Point computeSize (int wHint, int hHint, boolean changed) {
 	checkWidget();
 	// NEEDS WORK - empty string
 	if ((style & SWT.ARROW) != 0) {
 		int [] outMetric = new int [1];
 		OS.GetThemeMetric (OS.kThemeMetricDisclosureTriangleHeight, outMetric);
 		int width = outMetric [0], height = outMetric [0];
 		if (wHint != SWT.DEFAULT) width = wHint;
 		if (hHint != SWT.DEFAULT) height = hHint;
 		return new Point (width, height);
 	}

 	int width = 0, height = 0;

 	if (isImage && image != null) {
 		Rectangle bounds = image.getBounds();
 		width = bounds.width;
 		height = bounds.height;
 	} else {
 		int [] ptr = new int [1];
 		OS.CopyControlTitleAsCFString(handle, ptr);
 		if (ptr [0] != 0) {
 			if (font == null) {
 				org.eclipse.swt.internal.carbon.Point ioBounds = new org.eclipse.swt.internal.carbon.Point ();
 				short [] baseLine = new short [1];
 				OS.GetThemeTextDimensions(ptr [0], (short)OS.kThemePushButtonFont, OS.kThemeStateActive, false, ioBounds, baseLine);
 				width = ioBounds.h;
 				height = ioBounds.v;
 			} else {
 				// NEEDS WORK - alternatively we could use GetThemeTextDimensions with OS.kThemeCurrentPortFont
 				int length = OS.CFStringGetLength (ptr [0]);
 				char [] buffer = new char [length];
 				CFRange range = new CFRange ();
 				range.length = length;
 				OS.CFStringGetCharacters (ptr [0], range, buffer);
 				String string = new String (buffer);
 				GC gc = new GC (this);
 				Point extent = gc.stringExtent (string);
 				gc.dispose ();
 				width = extent.x;
 				height = extent.y;
 			}
 			OS.CFRelease (ptr [0]);
 		} else {
 			width = DEFAULT_WIDTH;
 			height = DEFAULT_HEIGHT;
 		}
 	}

 	if ((style & (SWT.CHECK | SWT.RADIO)) != 0) {
 		int [] outMetric = new int [1];
 		int metric = ((style & SWT.CHECK) != 0) ? OS.kThemeMetricCheckBoxWidth : OS.kThemeMetricRadioButtonWidth;
 		OS.GetThemeMetric (metric, outMetric);
  		width += outMetric [0] + 3; // +3 for gap between button and text/image
 		height = Math.max(outMetric [0], height);
 	} else {
 		if ((style & SWT.FLAT) != 0 || (style & SWT.TOGGLE) != 0) {
 			width += 10;
 			height += 10;
 		} else {
 			width += 28;
 			height += 8;
 		}
 	}

 	Rect inset = getInset ();
 	width += inset.left + inset.right;
 	height += inset.top + inset.bottom;

 	/*
 	 * Feature in Mac OS X. Setting the width of a bevel button
 	 * widget to less than 20 will fail.  This means you can not
 	 * make a button very small.  By forcing the width to be greater
 	 * than or equal to 20, the height of the button can be made
 	 * very small, even 0.
 	 */
 	width = Math.max(20, width);
 	int border = (style & SWT.PUSH) != 0 ? 2 : 0;
 	if (wHint != SWT.DEFAULT) width = wHint + (border * 2);
 	if (hHint != SWT.DEFAULT) height = hHint + (border * 2);
 	return new Point (width, height);
 }

 void createHandle () {
 	int [] outControl = new int [1];
 	int window = OS.GetControlOwner (parent.handle);

 	if ((style & SWT.ARROW) != 0) {
 		int orientation = OS.kThemeDisclosureRight;
 		if ((style & SWT.UP) != 0) orientation = OS.kThemeDisclosureRight; // NEEDS WORK
 		if ((style & SWT.DOWN) != 0) orientation = OS.kThemeDisclosureDown;
 		if ((style & SWT.LEFT) != 0) orientation = OS.kThemeDisclosureLeft;
 		OS.CreateBevelButtonControl(window, null, 0, (short)0, (short)OS.kControlBehaviorPushbutton, 0, (short)0, (short)0, (short)0, outControl);
 		if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
 		handle = outControl [0];
 		OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonKindTag, 2, new short [] {(short)(OS.kThemeDisclosureButton)});
 		OS.SetControl32BitMaximum (handle, 2);
 		OS.SetControl32BitValue (handle, orientation);
 	}

 	if ((style & SWT.CHECK) != 0) {
 		//OS.CreateCheckBoxControl (window, null, 0, 0 /*initially off*/, true, outControl);
 		OS.CreateBevelButtonControl(window, null, 0, (short)0, (short)OS.kControlBehaviorToggles, 0, (short)0, (short)0, (short)0, outControl);
 		if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
 		handle = outControl [0];
 		OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonKindTag, 2, new short [] {(short)OS.kThemeCheckBox});
 	}

 	if ((style & SWT.RADIO) != 0) {
 		//OS.CreateRadioButtonControl(window, null, 0, 0 /*initially off*/, true, outControl);
 		OS.CreateBevelButtonControl(window, null, 0, (short)0, (short)OS.kControlBehaviorToggles, 0, (short)0, (short)0, (short)0, outControl);
 		if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
 		handle = outControl [0];
 		OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonKindTag, 2, new short [] {(short)OS.kThemeRadioButton});
 	}

 	if ((style & SWT.TOGGLE) != 0) {
 		OS.CreateBevelButtonControl(window, null, 0, (short)OS.kControlBevelButtonNormalBevel, (short)OS.kControlBehaviorToggles, 0, (short)0, (short)0, (short)0, outControl);
 		if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
 		handle = outControl [0];
 		if ((style & SWT.FLAT) == 0 ) {
 			OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonKindTag, 2, new short [] {(short)OS.kThemeRoundedBevelButton});
 		}
 	}

 	if ((style & SWT.PUSH) != 0) {
 		if ((style & SWT.FLAT) != 0) {
 			OS.CreateBevelButtonControl(window, null, 0, (short)2, (short)OS.kControlBehaviorPushbutton, 0, (short)0, (short)0, (short)0, outControl);
 		} else {
 			OS.CreatePushButtonControl (window, null, 0, outControl);
 			//OS.CreateBevelButtonControl(window, null, 0, (short)2, (short)OS.kControlBehaviorPushbutton, 0, (short)0, (short)0, (short)0, outControl);
 		}
 		if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
 		handle = outControl [0];
 		if ((style & SWT.FLAT) == 0 ) {
 			OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonKindTag, 2, new short [] {(short)OS.kThemePushButton});
 		}
 	}

 	ControlFontStyleRec fontRec = new ControlFontStyleRec();
 	fontRec.flags = (short) OS.kControlUseThemeFontIDMask;
 	fontRec.font = (short) defaultThemeFont ();
 	OS.SetControlFontStyle (handle, fontRec);

 	if ((style & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) != 0) {
 		int textAlignment = 0;
 		int graphicAlignment = 0;
 		if ((style & SWT.LEFT) != 0) {
 			textAlignment = OS.kControlBevelButtonAlignTextFlushLeft;
 			graphicAlignment = OS.kControlBevelButtonAlignLeft;
 		}
 		if ((style & SWT.CENTER) != 0) {
 			textAlignment = OS.kControlBevelButtonAlignTextCenter;
 			graphicAlignment = OS.kControlBevelButtonAlignCenter;
 		}
 		if ((style & SWT.RIGHT) != 0) {
 			textAlignment = OS.kControlBevelButtonAlignTextFlushRight;
 			graphicAlignment = OS.kControlBevelButtonAlignRight;
 		}
 		OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonTextAlignTag, 2, new short [] {(short)textAlignment});
 		OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonGraphicAlignTag, 2, new short [] {(short)graphicAlignment});
 	}
 }

 int defaultThemeFont () {
 	return OS.kThemePushButtonFont;
 }

 public int getAlignment () {
 	checkWidget ();
 	if ((style & SWT.ARROW) != 0) {
 		if ((style & SWT.UP) != 0) return SWT.UP;
 		if ((style & SWT.DOWN) != 0) return SWT.DOWN;
 		if ((style & SWT.LEFT) != 0) return SWT.LEFT;
 		if ((style & SWT.RIGHT) != 0) return SWT.RIGHT;
 		return SWT.UP;
 	}
 	if ((style & SWT.LEFT) != 0) return SWT.LEFT;
 	if ((style & SWT.CENTER) != 0) return SWT.CENTER;
 	if ((style & SWT.RIGHT) != 0) return SWT.RIGHT;
 	return SWT.LEFT;
 }

 public Image getImage () {
 	checkWidget();
 	return image;
 }
 String getNameText () {
 	return getText ();
 }

 public boolean getSelection () {
 	checkWidget ();
 	if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return false;
     return OS.GetControl32BitValue(handle) != 0;
 }

 public String getText () {
 	checkWidget ();
 	return text;
 }

 Rect getInset () {
 	if ((style & SWT.PUSH) == 0) return super.getInset();
 	Display display = getDisplay ();
 	return display.buttonInset;
 }

 int kEventControlDraw (int nextHandler, int theEvent, int userData) {
 	int result = super.kEventControlDraw (nextHandler, theEvent, userData);
 	if (isImage && image != null && (style & SWT.PUSH) != 0 && (style & SWT.FLAT) == 0) {
 		Rect rect = new Rect();
 		OS.GetControlBounds (handle, rect);
 		int width = OS.CGImageGetWidth (image.handle);
 		int height = OS.CGImageGetHeight (image.handle);
 		int x = Math.max (0, (rect.right - rect.left - width) / 2);
 		int y = Math.max (0, (rect.bottom - rect.top - height) / 2);
 		GCData data = new GCData ();
 		data.paintEvent = theEvent;
 		GC gc = GC.carbon_new (this, data);
 		gc.drawImage (image, x, y);
 		gc.dispose ();
 		return OS.noErr;
 	}
 	return result;
 }

 int kEventControlHit (int nextHandler, int theEvent, int userData) {
 	int result = super.kEventControlHit (nextHandler, theEvent, userData);
 	if (result == OS.noErr) return result;
 	if ((style & SWT.RADIO) != 0) {
 		if ((parent.getStyle () & SWT.NO_RADIO_GROUP) == 0) {
 			selectRadio ();
 		}
 	}
 	postEvent (SWT.Selection);
 	return OS.eventNotHandledErr;
 }

 int kEventControlSetFocusPart (int nextHandler, int theEvent, int userData) {
 	int result = super.kEventControlSetFocusPart (nextHandler, theEvent, userData);
 	if ((style & SWT.PUSH) != 0) {
 		short [] part = new short [1];
 		OS.GetEventParameter (theEvent, OS.kEventParamControlPart, OS.typeControlPartCode, null, 2, null, part);
 		menuShell ().setDefaultButton ((part [0] != 0) ? this : null, false);
 	}
 	return result;
 }

 void releaseWidget () {
 	super.releaseWidget ();
 	if (cIcon != 0) {
 		destroyCIcon (cIcon);
 		cIcon = 0;
 	}
 }

 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 () {
 	/*
 	* This code is intentionally commented.  When two groups
 	* of radio buttons with the same parent are separated by
 	* another control, the correct behavior should be that
 	* the two groups act independently.  This is consistent
 	* with radio tool and menu items.  The commented code
 	* implements this behavior.
 	*/
 //	int index = 0;
 //	Control [] children = parent._getChildren ();
 //	while (index < children.length && children [index] != this) index++;
 //	int i = index - 1;
 //	while (i >= 0 && children [i].setRadioSelection (false)) --i;
 //	int j = index + 1;
 //	while (j < children.length && children [j].setRadioSelection (false)) j++;
 //	setSelection (true);
 	Control [] children = parent._getChildren ();
 	for (int i=0; i<children.length; i++) {
 		Control child = children [i];
 		if (this != child) child.setRadioSelection (false);
 	}
 	setSelection (true);
 }

 public void setAlignment (int alignment) {
 	if ((style & SWT.ARROW) != 0) {
 		if ((style & (SWT.UP | SWT.DOWN | SWT.LEFT | SWT.RIGHT)) == 0) return;
 		style &= ~(SWT.UP | SWT.DOWN | SWT.LEFT | SWT.RIGHT);
 		style |= alignment & (SWT.UP | SWT.DOWN | SWT.LEFT | SWT.RIGHT);
 		int orientation = OS.kThemeDisclosureRight;
 		if ((style & SWT.UP) != 0) orientation = OS.kThemeDisclosureRight; // NEEDS WORK
 		if ((style & SWT.DOWN) != 0) orientation = OS.kThemeDisclosureDown;
 		if ((style & SWT.LEFT) != 0) orientation = OS.kThemeDisclosureLeft;
 		OS.SetControl32BitValue (handle, orientation);
 		return;
 	}
 	if ((alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER)) == 0) return;
 	style &= ~(SWT.LEFT | SWT.RIGHT | SWT.CENTER);
 	style |= alignment & (SWT.LEFT | SWT.RIGHT | SWT.CENTER);
 	int textAlignment = 0;
 	int graphicAlignment = 0;
 	if ((style & SWT.LEFT) != 0) {
 		textAlignment = OS.kControlBevelButtonAlignTextFlushLeft;
 		graphicAlignment = OS.kControlBevelButtonAlignLeft;
 	}
 	if ((style & SWT.CENTER) != 0) {
 		textAlignment = OS.kControlBevelButtonAlignTextCenter;
 		graphicAlignment = OS.kControlBevelButtonAlignCenter;
 	}
 	if ((style & SWT.RIGHT) != 0) {
 		textAlignment = OS.kControlBevelButtonAlignTextFlushRight;
 		graphicAlignment = OS.kControlBevelButtonAlignRight;
 	}
 	OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonTextAlignTag, 2, new short [] {(short)textAlignment});
 	OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonGraphicAlignTag, 2, new short [] {(short)graphicAlignment});
 	redraw ();
 }

 public void setBounds (int x, int y, int width, int height) {
 	checkWidget ();
 	/* Bug in MacOS X. When setting the height of a bevel button
 	 * to a value less than 20, the button is drawn incorrectly.
 	 * The fix is to force the height to be greater than or equal to 20.
 	 */
 	if ((style & SWT.ARROW) == 0) {
 		height = Math.max (20, height);
 	}
 	super.setBounds (x, y, width, height);
 }

 void setDefault (boolean value) {
 	if ((style & SWT.PUSH) == 0) return;
 	int window = OS.GetControlOwner (handle);
 	OS.SetWindowDefaultButton (window, value ? handle : 0);
 }

 public void setImage (Image image) {
 	checkWidget();
 	if ((style & SWT.ARROW) != 0) return;
 	if (cIcon != 0) {
 		destroyCIcon(cIcon);
 		cIcon = 0;
 	}
 	this.image = image;
 	isImage = true;

 	if (image == null) {
 		setText (text);
 		return;
 	}

 	if (text.length () > 0) {
 		char [] buffer = new char [] {' '};
 		int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length);
 		if (ptr == 0) error (SWT.ERROR_CANNOT_SET_TEXT);
 		OS.SetControlTitleWithCFString (handle, ptr);
 		OS.CFRelease (ptr);
 	}

 	cIcon = createCIcon (image);
 	ControlButtonContentInfo inContent = new ControlButtonContentInfo ();
 	inContent.contentType = (short)OS.kControlContentCIconHandle;
 	inContent.iconRef = cIcon;
 	OS.SetBevelButtonContentInfo (handle, inContent);
 	redraw ();
 }

 boolean setRadioSelection (boolean value){
 	if ((style & SWT.RADIO) == 0) return false;
 	if (getSelection () != value) {
 		setSelection (value);
 		postEvent (SWT.Selection);
 	}
 	return true;
 }

 public void setSelection (boolean selected) {
 	checkWidget();
 	if ((style & (SWT.CHECK | SWT.RADIO | SWT.TOGGLE)) == 0) return;
 	OS.SetControl32BitValue (handle, selected ? 1 : 0);
 }

 public void setText (String string) {
 	checkWidget();
 	if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
 	if ((style & SWT.ARROW) != 0) return;
 	text = string;
 	if (isImage) {
 		ControlButtonContentInfo inContent = new ControlButtonContentInfo();
 		inContent.contentType = (short)OS.kControlContentTextOnly;
 		OS.SetBevelButtonContentInfo(handle, inContent);
 	}
 	isImage = false;
 	int length = text.length ();
 	String s = (length == 0) ? " ": text;
 	char [] buffer = new char [length];
 	s.getChars (0, buffer.length, buffer, 0);
 	int i=0, j=0;
 	while (i < buffer.length) {
 		if ((buffer [j++] = buffer [i++]) == Mnemonic) {
 			if (i == buffer.length) {continue;}
 			if (buffer [i] == Mnemonic) {i++; continue;}
 			j--;
 		}
 	}
 	int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, j);
 	if (ptr == 0) error (SWT.ERROR_CANNOT_SET_TEXT);
 	OS.SetControlTitleWithCFString (handle, ptr);
 	OS.CFRelease (ptr);
 	redraw ();
 }

 }
	package org.eclipse.swt.widgets;

	/*
	* Copyright (c) 2000, 2002 IBM Corp. All rights reserved.
	* This file is made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*/

	import org.eclipse.swt.internal.carbon.OS;
	import org.eclipse.swt.internal.carbon.ControlFontStyleRec;
	import org.eclipse.swt.internal.carbon.ControlButtonContentInfo;
	import org.eclipse.swt.internal.carbon.CFRange;
	import org.eclipse.swt.internal.carbon.Rect;

	import org.eclipse.swt.*;
	import org.eclipse.swt.events.*;
	import org.eclipse.swt.graphics.*;

	public class Button extends Control {
	String text = "";
	Image image;
	int cIcon;
	boolean isImage;

	public Button (Composite parent, int style) {
	super (parent, checkStyle (style));
	}

	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) {
	style = checkBits (style, SWT.PUSH, SWT.ARROW, SWT.CHECK, SWT.RADIO, SWT.TOGGLE, 0);
	if ((style & SWT.PUSH) != 0) {
	return checkBits (style, SWT.CENTER, SWT.LEFT, SWT.RIGHT, 0, 0, 0);
	}
	if ((style & (SWT.CHECK \| SWT.RADIO \| SWT.TOGGLE)) != 0) {
	return checkBits (style, SWT.LEFT, SWT.RIGHT, SWT.CENTER, 0, 0, 0);
	}
	if ((style & SWT.ARROW) != 0) {
	return checkBits (style, SWT.UP, SWT.DOWN, SWT.LEFT, SWT.RIGHT, 0, 0);
	}
	return style;
	}

	public Point computeSize (int wHint, int hHint, boolean changed) {
	checkWidget();
	// NEEDS WORK - empty string
	if ((style & SWT.ARROW) != 0) {
	int [] outMetric = new int [1];
	OS.GetThemeMetric (OS.kThemeMetricDisclosureTriangleHeight, outMetric);
	int width = outMetric [0], height = outMetric [0];
	if (wHint != SWT.DEFAULT) width = wHint;
	if (hHint != SWT.DEFAULT) height = hHint;
	return new Point (width, height);
	}

	int width = 0, height = 0;

	if (isImage && image != null) {
	Rectangle bounds = image.getBounds();
	width = bounds.width;
	height = bounds.height;
	} else {
	int [] ptr = new int [1];
	OS.CopyControlTitleAsCFString(handle, ptr);
	if (ptr [0] != 0) {
	if (font == null) {
	org.eclipse.swt.internal.carbon.Point ioBounds = new org.eclipse.swt.internal.carbon.Point ();
	short [] baseLine = new short [1];
	OS.GetThemeTextDimensions(ptr [0], (short)OS.kThemePushButtonFont, OS.kThemeStateActive, false, ioBounds, baseLine);
	width = ioBounds.h;
	height = ioBounds.v;
	} else {
	// NEEDS WORK - alternatively we could use GetThemeTextDimensions with OS.kThemeCurrentPortFont
	int length = OS.CFStringGetLength (ptr [0]);
	char [] buffer = new char [length];
	CFRange range = new CFRange ();
	range.length = length;
	OS.CFStringGetCharacters (ptr [0], range, buffer);
	String string = new String (buffer);
	GC gc = new GC (this);
	Point extent = gc.stringExtent (string);
	gc.dispose ();
	width = extent.x;
	height = extent.y;
	}
	OS.CFRelease (ptr [0]);
	} else {
	width = DEFAULT_WIDTH;
	height = DEFAULT_HEIGHT;
	}
	}

	if ((style & (SWT.CHECK \| SWT.RADIO)) != 0) {
	int [] outMetric = new int [1];
	int metric = ((style & SWT.CHECK) != 0) ? OS.kThemeMetricCheckBoxWidth : OS.kThemeMetricRadioButtonWidth;
	OS.GetThemeMetric (metric, outMetric);
	width += outMetric [0] + 3; // +3 for gap between button and text/image
	height = Math.max(outMetric [0], height);
	} else {
	if ((style & SWT.FLAT) != 0 \|\| (style & SWT.TOGGLE) != 0) {
	width += 10;
	height += 10;
	} else {
	width += 28;
	height += 8;
	}
	}

	Rect inset = getInset ();
	width += inset.left + inset.right;
	height += inset.top + inset.bottom;

	/*
	* Feature in Mac OS X. Setting the width of a bevel button
	* widget to less than 20 will fail. This means you can not
	* make a button very small. By forcing the width to be greater
	* than or equal to 20, the height of the button can be made
	* very small, even 0.
	*/
	width = Math.max(20, width);
	int border = (style & SWT.PUSH) != 0 ? 2 : 0;
	if (wHint != SWT.DEFAULT) width = wHint + (border * 2);
	if (hHint != SWT.DEFAULT) height = hHint + (border * 2);
	return new Point (width, height);
	}

	void createHandle () {
	int [] outControl = new int [1];
	int window = OS.GetControlOwner (parent.handle);

	if ((style & SWT.ARROW) != 0) {
	int orientation = OS.kThemeDisclosureRight;
	if ((style & SWT.UP) != 0) orientation = OS.kThemeDisclosureRight; // NEEDS WORK
	if ((style & SWT.DOWN) != 0) orientation = OS.kThemeDisclosureDown;
	if ((style & SWT.LEFT) != 0) orientation = OS.kThemeDisclosureLeft;
	OS.CreateBevelButtonControl(window, null, 0, (short)0, (short)OS.kControlBehaviorPushbutton, 0, (short)0, (short)0, (short)0, outControl);
	if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
	handle = outControl [0];
	OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonKindTag, 2, new short [] {(short)(OS.kThemeDisclosureButton)});
	OS.SetControl32BitMaximum (handle, 2);
	OS.SetControl32BitValue (handle, orientation);
	}

	if ((style & SWT.CHECK) != 0) {
	//OS.CreateCheckBoxControl (window, null, 0, 0 /initially off/, true, outControl);
	OS.CreateBevelButtonControl(window, null, 0, (short)0, (short)OS.kControlBehaviorToggles, 0, (short)0, (short)0, (short)0, outControl);
	if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
	handle = outControl [0];
	OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonKindTag, 2, new short [] {(short)OS.kThemeCheckBox});
	}

	if ((style & SWT.RADIO) != 0) {
	//OS.CreateRadioButtonControl(window, null, 0, 0 /initially off/, true, outControl);
	OS.CreateBevelButtonControl(window, null, 0, (short)0, (short)OS.kControlBehaviorToggles, 0, (short)0, (short)0, (short)0, outControl);
	if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
	handle = outControl [0];
	OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonKindTag, 2, new short [] {(short)OS.kThemeRadioButton});
	}

	if ((style & SWT.TOGGLE) != 0) {
	OS.CreateBevelButtonControl(window, null, 0, (short)OS.kControlBevelButtonNormalBevel, (short)OS.kControlBehaviorToggles, 0, (short)0, (short)0, (short)0, outControl);
	if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
	handle = outControl [0];
	if ((style & SWT.FLAT) == 0 ) {
	OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonKindTag, 2, new short [] {(short)OS.kThemeRoundedBevelButton});
	}
	}

	if ((style & SWT.PUSH) != 0) {
	if ((style & SWT.FLAT) != 0) {
	OS.CreateBevelButtonControl(window, null, 0, (short)2, (short)OS.kControlBehaviorPushbutton, 0, (short)0, (short)0, (short)0, outControl);
	} else {
	OS.CreatePushButtonControl (window, null, 0, outControl);
	//OS.CreateBevelButtonControl(window, null, 0, (short)2, (short)OS.kControlBehaviorPushbutton, 0, (short)0, (short)0, (short)0, outControl);
	}
	if (outControl [0] == 0) error (SWT.ERROR_NO_HANDLES);
	handle = outControl [0];
	if ((style & SWT.FLAT) == 0 ) {
	OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonKindTag, 2, new short [] {(short)OS.kThemePushButton});
	}
	}

	ControlFontStyleRec fontRec = new ControlFontStyleRec();
	fontRec.flags = (short) OS.kControlUseThemeFontIDMask;
	fontRec.font = (short) defaultThemeFont ();
	OS.SetControlFontStyle (handle, fontRec);

	if ((style & (SWT.LEFT \| SWT.RIGHT \| SWT.CENTER)) != 0) {
	int textAlignment = 0;
	int graphicAlignment = 0;
	if ((style & SWT.LEFT) != 0) {
	textAlignment = OS.kControlBevelButtonAlignTextFlushLeft;
	graphicAlignment = OS.kControlBevelButtonAlignLeft;
	}
	if ((style & SWT.CENTER) != 0) {
	textAlignment = OS.kControlBevelButtonAlignTextCenter;
	graphicAlignment = OS.kControlBevelButtonAlignCenter;
	}
	if ((style & SWT.RIGHT) != 0) {
	textAlignment = OS.kControlBevelButtonAlignTextFlushRight;
	graphicAlignment = OS.kControlBevelButtonAlignRight;
	}
	OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonTextAlignTag, 2, new short [] {(short)textAlignment});
	OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonGraphicAlignTag, 2, new short [] {(short)graphicAlignment});
	}
	}

	int defaultThemeFont () {
	return OS.kThemePushButtonFont;
	}

	public int getAlignment () {
	checkWidget ();
	if ((style & SWT.ARROW) != 0) {
	if ((style & SWT.UP) != 0) return SWT.UP;
	if ((style & SWT.DOWN) != 0) return SWT.DOWN;
	if ((style & SWT.LEFT) != 0) return SWT.LEFT;
	if ((style & SWT.RIGHT) != 0) return SWT.RIGHT;
	return SWT.UP;
	}
	if ((style & SWT.LEFT) != 0) return SWT.LEFT;
	if ((style & SWT.CENTER) != 0) return SWT.CENTER;
	if ((style & SWT.RIGHT) != 0) return SWT.RIGHT;
	return SWT.LEFT;
	}

	public Image getImage () {
	checkWidget();
	return image;
	}
	String getNameText () {
	return getText ();
	}

	public boolean getSelection () {
	checkWidget ();
	if ((style & (SWT.CHECK \| SWT.RADIO \| SWT.TOGGLE)) == 0) return false;
	return OS.GetControl32BitValue(handle) != 0;
	}

	public String getText () {
	checkWidget ();
	return text;
	}

	Rect getInset () {
	if ((style & SWT.PUSH) == 0) return super.getInset();
	Display display = getDisplay ();
	return display.buttonInset;
	}

	int kEventControlDraw (int nextHandler, int theEvent, int userData) {
	int result = super.kEventControlDraw (nextHandler, theEvent, userData);
	if (isImage && image != null && (style & SWT.PUSH) != 0 && (style & SWT.FLAT) == 0) {
	Rect rect = new Rect();
	OS.GetControlBounds (handle, rect);
	int width = OS.CGImageGetWidth (image.handle);
	int height = OS.CGImageGetHeight (image.handle);
	int x = Math.max (0, (rect.right - rect.left - width) / 2);
	int y = Math.max (0, (rect.bottom - rect.top - height) / 2);
	GCData data = new GCData ();
	data.paintEvent = theEvent;
	GC gc = GC.carbon_new (this, data);
	gc.drawImage (image, x, y);
	gc.dispose ();
	return OS.noErr;
	}
	return result;
	}

	int kEventControlHit (int nextHandler, int theEvent, int userData) {
	int result = super.kEventControlHit (nextHandler, theEvent, userData);
	if (result == OS.noErr) return result;
	if ((style & SWT.RADIO) != 0) {
	if ((parent.getStyle () & SWT.NO_RADIO_GROUP) == 0) {
	selectRadio ();
	}
	}
	postEvent (SWT.Selection);
	return OS.eventNotHandledErr;
	}

	int kEventControlSetFocusPart (int nextHandler, int theEvent, int userData) {
	int result = super.kEventControlSetFocusPart (nextHandler, theEvent, userData);
	if ((style & SWT.PUSH) != 0) {
	short [] part = new short [1];
	OS.GetEventParameter (theEvent, OS.kEventParamControlPart, OS.typeControlPartCode, null, 2, null, part);
	menuShell ().setDefaultButton ((part [0] != 0) ? this : null, false);
	}
	return result;
	}

	void releaseWidget () {
	super.releaseWidget ();
	if (cIcon != 0) {
	destroyCIcon (cIcon);
	cIcon = 0;
	}
	}

	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 () {
	/*
	* This code is intentionally commented. When two groups
	* of radio buttons with the same parent are separated by
	* another control, the correct behavior should be that
	* the two groups act independently. This is consistent
	* with radio tool and menu items. The commented code
	* implements this behavior.
	*/
	// int index = 0;
	// Control [] children = parent._getChildren ();
	// while (index < children.length && children [index] != this) index++;
	// int i = index - 1;
	// while (i >= 0 && children [i].setRadioSelection (false)) --i;
	// int j = index + 1;
	// while (j < children.length && children [j].setRadioSelection (false)) j++;
	// setSelection (true);
	Control [] children = parent._getChildren ();
	for (int i=0; i<children.length; i++) {
	Control child = children [i];
	if (this != child) child.setRadioSelection (false);
	}
	setSelection (true);
	}

	public void setAlignment (int alignment) {
	if ((style & SWT.ARROW) != 0) {
	if ((style & (SWT.UP \| SWT.DOWN \| SWT.LEFT \| SWT.RIGHT)) == 0) return;
	style &= ~(SWT.UP \| SWT.DOWN \| SWT.LEFT \| SWT.RIGHT);
	style \|= alignment & (SWT.UP \| SWT.DOWN \| SWT.LEFT \| SWT.RIGHT);
	int orientation = OS.kThemeDisclosureRight;
	if ((style & SWT.UP) != 0) orientation = OS.kThemeDisclosureRight; // NEEDS WORK
	if ((style & SWT.DOWN) != 0) orientation = OS.kThemeDisclosureDown;
	if ((style & SWT.LEFT) != 0) orientation = OS.kThemeDisclosureLeft;
	OS.SetControl32BitValue (handle, orientation);
	return;
	}
	if ((alignment & (SWT.LEFT \| SWT.RIGHT \| SWT.CENTER)) == 0) return;
	style &= ~(SWT.LEFT \| SWT.RIGHT \| SWT.CENTER);
	style \|= alignment & (SWT.LEFT \| SWT.RIGHT \| SWT.CENTER);
	int textAlignment = 0;
	int graphicAlignment = 0;
	if ((style & SWT.LEFT) != 0) {
	textAlignment = OS.kControlBevelButtonAlignTextFlushLeft;
	graphicAlignment = OS.kControlBevelButtonAlignLeft;
	}
	if ((style & SWT.CENTER) != 0) {
	textAlignment = OS.kControlBevelButtonAlignTextCenter;
	graphicAlignment = OS.kControlBevelButtonAlignCenter;
	}
	if ((style & SWT.RIGHT) != 0) {
	textAlignment = OS.kControlBevelButtonAlignTextFlushRight;
	graphicAlignment = OS.kControlBevelButtonAlignRight;
	}
	OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonTextAlignTag, 2, new short [] {(short)textAlignment});
	OS.SetControlData (handle, OS.kControlEntireControl, OS.kControlBevelButtonGraphicAlignTag, 2, new short [] {(short)graphicAlignment});
	redraw ();
	}

	public void setBounds (int x, int y, int width, int height) {
	checkWidget ();
	/* Bug in MacOS X. When setting the height of a bevel button
	* to a value less than 20, the button is drawn incorrectly.
	* The fix is to force the height to be greater than or equal to 20.
	*/
	if ((style & SWT.ARROW) == 0) {
	height = Math.max (20, height);
	}
	super.setBounds (x, y, width, height);
	}

	void setDefault (boolean value) {
	if ((style & SWT.PUSH) == 0) return;
	int window = OS.GetControlOwner (handle);
	OS.SetWindowDefaultButton (window, value ? handle : 0);
	}

	public void setImage (Image image) {
	checkWidget();
	if ((style & SWT.ARROW) != 0) return;
	if (cIcon != 0) {
	destroyCIcon(cIcon);
	cIcon = 0;
	}
	this.image = image;
	isImage = true;

	if (image == null) {
	setText (text);
	return;
	}

	if (text.length () > 0) {
	char [] buffer = new char [] {' '};
	int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, buffer.length);
	if (ptr == 0) error (SWT.ERROR_CANNOT_SET_TEXT);
	OS.SetControlTitleWithCFString (handle, ptr);
	OS.CFRelease (ptr);
	}

	cIcon = createCIcon (image);
	ControlButtonContentInfo inContent = new ControlButtonContentInfo ();
	inContent.contentType = (short)OS.kControlContentCIconHandle;
	inContent.iconRef = cIcon;
	OS.SetBevelButtonContentInfo (handle, inContent);
	redraw ();
	}

	boolean setRadioSelection (boolean value){
	if ((style & SWT.RADIO) == 0) return false;
	if (getSelection () != value) {
	setSelection (value);
	postEvent (SWT.Selection);
	}
	return true;
	}

	public void setSelection (boolean selected) {
	checkWidget();
	if ((style & (SWT.CHECK \| SWT.RADIO \| SWT.TOGGLE)) == 0) return;
	OS.SetControl32BitValue (handle, selected ? 1 : 0);
	}

	public void setText (String string) {
	checkWidget();
	if (string == null) error (SWT.ERROR_NULL_ARGUMENT);
	if ((style & SWT.ARROW) != 0) return;
	text = string;
	if (isImage) {
	ControlButtonContentInfo inContent = new ControlButtonContentInfo();
	inContent.contentType = (short)OS.kControlContentTextOnly;
	OS.SetBevelButtonContentInfo(handle, inContent);
	}
	isImage = false;
	int length = text.length ();
	String s = (length == 0) ? " ": text;
	char [] buffer = new char [length];
	s.getChars (0, buffer.length, buffer, 0);
	int i=0, j=0;
	while (i < buffer.length) {
	if ((buffer [j++] = buffer [i++]) == Mnemonic) {
	if (i == buffer.length) {continue;}
	if (buffer [i] == Mnemonic) {i++; continue;}
	j--;
	}
	}
	int ptr = OS.CFStringCreateWithCharacters (OS.kCFAllocatorDefault, buffer, j);
	if (ptr == 0) error (SWT.ERROR_CANNOT_SET_TEXT);
	OS.SetControlTitleWithCFString (handle, ptr);
	OS.CFRelease (ptr);
	redraw ();
	}

	}