bundles/org.eclipse.swt/Eclipse SWT/carbon/org/eclipse/swt/widgets/Label.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.*;
 import org.eclipse.swt.graphics.*;
 import org.eclipse.swt.internal.carbon.*;

 /**
  * Instances of this class represent a non-selectable
  * user interface object that displays a string or image.
  * When SEPARATOR is specified, displays a single
  * vertical or horizontal line.
  * <dl>
  * <dt><b>Styles:</b></dt>
  * <dd>SEPARATOR, HORIZONTAL, VERTICAL</dd>
  * <dd>SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd>
  * <dd>CENTER, LEFT, RIGHT, WRAP</dd>
  * <dt><b>Events:</b></dt>
  * <dd>(none)</dd>
  * </dl>
  * <p>
  * Note: Only one of SHADOW_IN, SHADOW_OUT and SHADOW_NONE may be specified.
  * SHADOW_NONE is a HINT. Only one of HORIZONTAL and VERTICAL may be specified.
  * Only one of CENTER, LEFT and RIGHT may be specified.
  * </p><p>
  * IMPORTANT: This class is intended to be subclassed <em>only</em>
  * within the SWT implementation.
  * </p>
  */
 public /*final*/ class Label extends Control {
 	String text = "";
 	Image image, bitmap, disabled;

 /**
  * Constructs a new instance of this class given its parent
  * and a style value describing its behavior and appearance.
  * <p>
  * The style value is either one of the style constants defined in
  * class <code>SWT</code> which is applicable to instances of this
  * class, or must be built by <em>bitwise OR</em>'ing together
  * (that is, using the <code>int</code> "|" operator) two or more
  * of those <code>SWT</code> style constants. The class description
  * lists the style constants that are applicable to the class.
  * Style bits are also inherited from superclasses.
  * </p>
  *
  * @param parent a composite control which will be the parent of the new instance (cannot be null)
  * @param style the style of control to construct
  *
  * @exception IllegalArgumentException <ul>
  *    <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
  * </ul>
  * @exception SWTException <ul>
  *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
  *    <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
  * </ul>
  *
  * @see SWT#SEPARATOR
  * @see SWT#HORIZONTAL
  * @see SWT#VERTICAL
  * @see SWT#SHADOW_IN
  * @see SWT#SHADOW_OUT
  * @see SWT#SHADOW_NONE
  * @see SWT#CENTER
  * @see SWT#LEFT
  * @see SWT#RIGHT
  * @see SWT#WRAP
  * @see Widget#checkSubclass
  * @see Widget#getStyle
  */
 public Label (Composite parent, int style) {
 	super (parent, checkStyle (style));
 }
 static int checkStyle (int style) {
 	if ((style & SWT.SEPARATOR) != 0) return style;
 	return checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0);
 }
 public Point computeSize (int wHint, int hHint, boolean changed) {
 	checkWidget();
 	int border = getBorderWidth ();
 	int width = 0, height = 0;

 	if ((style & SWT.SEPARATOR) != 0) {
 		if ((style & SWT.HORIZONTAL) != 0) {
 			width += DEFAULT_WIDTH;
 			height += 3;
 		} else {
 			width += 3;
 			height += DEFAULT_HEIGHT;
 		}
 	} else {
 		if (image != null) {
 			Rectangle r = image.getBounds();
 			width= r.width;
 			height= r.height;
 		} else {
 			short[] bounds= new short[2];
 			short[] baseLine= new short[1];
 			boolean wrap= false;
 			if ((style & SWT.WRAP) != 0 && wHint != SWT.DEFAULT) {
 				wrap= true;
 				bounds[1]= (short) wHint;	// If we are wrapping text, calculate the height based on wHint.
 			}
 			int sHandle= OS.CFStringCreateWithCharacters(removeMnemonics(text));

 			GC gc= new GC(this);
 			gc.installFont();
 			OS.GetThemeTextDimensions(sHandle, OS.kThemeCurrentPortFont, OS.kThemeStateActive, wrap, bounds, baseLine);
 			gc.dispose();

 			OS.CFRelease(sHandle);
 			width = bounds[1];
 			height = bounds[0];
 		}
 		/*
 		* Feature in Motif. If a label's labelType is XmSTRING but it
 		* has no label set into it yet, recomputing the size will
 		* not take into account the height of the font, as we would
 		* like it to. Take care of this case.
 		*/
 		/* AW
 		if (text.length () == 0) {
 			height += getFontHeight ();
 			width = 0;
 		}
 		*/
 	}
 	if (wHint != SWT.DEFAULT) width = wHint;
 	if (hHint != SWT.DEFAULT) height = hHint;
 	return new Point (width + 2*border, height + 2*border);
 }
 void createHandle (int index) {
 	state |= HANDLE;
 	int parentHandle = parent.handle;
 	int borderWidth = (style & SWT.BORDER) != 0 ? 1 : 0;
 	if ((style & SWT.SEPARATOR) != 0) {
   		handle = MacUtil.createSeparator(parentHandle, style);
 	} else {
 		handle = MacUtil.createDrawingArea(parentHandle, 0, 0, borderWidth);
 	}
 	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
 }
 int defaultBackground () {
 	return getDisplay ().labelBackground;
 }
 Font defaultFont () {
 	return getDisplay ().labelFont;
 }
 int defaultForeground () {
 	return getDisplay ().labelForeground;
 }
 /**
  * Returns a value which describes the position of the
  * text or image in the receiver. The value will be one of
  * <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>
  * unless the receiver is a <code>SEPARATOR</code> label, in
  * which case, <code>NONE</code> is returned.
  *
  * @return the alignment
  *
  * @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 getAlignment () {
 	checkWidget();
 	if ((style & SWT.SEPARATOR) != 0) return SWT.LEFT;
 	if ((style & SWT.CENTER) != 0)
 		return SWT.CENTER;
 	if ((style & SWT.RIGHT) != 0)
 		return SWT.RIGHT;
 	return SWT.LEFT;
 }
 public int getBorderWidth () {
 	checkWidget();
 	return (style & SWT.BORDER) != 0 ? 1 : 0;
 }
 /**
  * Returns the receiver's image if it has one, or null
  * if it does not.
  *
  * @return the receiver's 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 getImage () {
 	checkWidget();
 	return image;
 }
 String getNameText () {
 	return getText ();
 }
 /**
  * Returns the receiver's text, which will be an empty
  * string if it has never been set or if the receiver is
  * a <code>SEPARATOR</code> label.
  *
  * @return the receiver's 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 getText () {
 	checkWidget();
 	if ((style & SWT.SEPARATOR) != 0) return "";
 	return text;
 }
 void hookEvents () {
 	super.hookEvents ();
 	Display display= getDisplay();
 	OS.SetControlData(handle, OS.kControlEntireControl, OS.kControlUserPaneDrawProcTag, display.fUserPaneDrawProc);
 }
 boolean mnemonicHit (char key) {
 	Composite control = this.parent;
 	while (control != null) {
 		Control [] children = control._getChildren ();
 		int index = 0;
 		while (index < children.length) {
 			if (children [index] == this) break;
 			index++;
 		}
 		index++;
 		if (index < children.length) {
 			if (children [index].setFocus ()) return true;
 		}
 		control = control.parent;
 	}
 	return false;
 }
 boolean mnemonicMatch (char key) {
 	char mnemonic = findMnemonic (getText ());
 	if (mnemonic == '\0') return false;
 	return Character.toUpperCase (key) == Character.toUpperCase (mnemonic);
 }
 int processPaint (Object callData) {
 	if ((style & SWT.SEPARATOR) != 0) return 0;

 	int hndl= topHandle();
 	Display display= getDisplay();

 	MacRect bounds= new MacRect();
 	OS.GetControlBounds(hndl, bounds.getData());

 	int w= bounds.getWidth();
 	int h= bounds.getHeight();
 	int borderWidth = (style & SWT.BORDER) != 0 ? 1 : 0;

 	GC gc= new GC(this);
 	gc.carbon_focus();

 	gc.fillRectangle(0, 0, w, h);

 	if (image != null) {
 		Rectangle imageBounds= image.getBounds();
 		gc.drawImage(image, (w-imageBounds.width) / 2, (h-imageBounds.height) / 2);
 	} else {
 		int sHandle= OS.CFStringCreateWithCharacters(removeMnemonics(text));
 		boolean wrap= (style & SWT.WRAP) != 0;
 		short just= 0;
 		if ((style & SWT.RIGHT) != 0)
 			just= 2;
 		else if ((style & SWT.CENTER) != 0)
 			just= 1;
 		if (OS.IsControlEnabled(handle))
 			OS.RGBForeColor(0x000000);
 		else
 			OS.RGBForeColor(0x808080);
 		gc.installFont();
 		bounds.set(bounds.getX()+borderWidth, bounds.getY()+borderWidth, w-2*borderWidth, h-2*borderWidth);
 		OS.DrawThemeTextBox(sHandle, OS.kThemeCurrentPortFont, OS.kThemeStateActive, wrap, bounds.getData(), just, 0);
 		OS.CFRelease(sHandle);
 	}

 	if (borderWidth > 0) {
 		gc.setForeground(display.getSystemColor(SWT.COLOR_GRAY));
 		gc.drawRectangle(0, 0, w-1, h-1);
 	}

 	gc.carbon_unfocus();
 	gc.dispose();

 	return 0;
 }
 void propagateWidget (boolean enabled) {
 	super.propagateWidget (enabled);
 	/*
 	* Labels never participate in focus traversal when
 	* either enabled or disabled.
 	*/
 	/* AW
 	if (enabled) {
 		int [] argList = {OS.XmNtraversalOn, 0};
 		OS.XtSetValues (handle, argList, argList.length / 2);
 	}
 	*/
 }
 void releaseWidget () {
 	super.releaseWidget ();
     /* AW
 	int [] argList = {
 		OS.XmNlabelPixmap, OS.XmUNSPECIFIED_PIXMAP,
 		OS.XmNlabelInsensitivePixmap, OS.XmUNSPECIFIED_PIXMAP,
 	};
 	OS.XtSetValues (handle, argList, argList.length / 2);
     */
 	if (bitmap != null) bitmap.dispose ();
 	if (disabled != null) disabled.dispose ();
 	image = bitmap = disabled = null;
 }
 /* AW
 int separatorType () {
 	if ((style & (SWT.SHADOW_IN)) != 0) return OS.XmSHADOW_ETCHED_IN;
 	if ((style & (SWT.SHADOW_OUT)) != 0) return OS.XmSHADOW_ETCHED_OUT;
 	return OS.XmSHADOW_ETCHED_IN;
 }
 */
 /**
  * Controls how text and images will be displayed in the receiver.
  * The argument should be one of <code>LEFT</code>, <code>RIGHT</code>
  * or <code>CENTER</code>.  If the receiver is a <code>SEPARATOR</code>
  * label, the argument is ignored and the alignment is not changed.
  *
  * @param alignment the new alignment
  *
  * @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 setAlignment (int alignment) {
 	checkWidget();
 	if ((style & SWT.SEPARATOR) != 0) return;
 	int mask= SWT.LEFT | SWT.CENTER | SWT.RIGHT;
 	int newAlignment= alignment & mask;
 	int currentAlignment= style & mask;
 	if (currentAlignment != newAlignment) {
 		style &= ~mask;
 		style |= newAlignment;
 		redrawWidget (0, 0, 0, 0, false);
 	}
 }
 /* AW
 void setBackgroundPixel (int pixel) {
 	super.setBackgroundPixel (pixel);
 	int [] argList = {OS.XmNlabelType, 0};
 	OS.XtGetValues (handle, argList, argList.length / 2);
 	if (argList [1] == OS.XmPIXMAP) setBitmap (image);
 }
 */
 void setBitmap (Image image) {
 	/* AW
 	int labelPixmap = OS.XmUNSPECIFIED_PIXMAP;
 	int labelInsensitivePixmap = OS.XmUNSPECIFIED_PIXMAP;
 	*/
 	if (bitmap != null) bitmap.dispose ();
 	if (disabled != null) disabled.dispose ();
 	bitmap = disabled = null;
 	if (image != null) {
 		if (image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
 		Display display = getDisplay ();
 		switch (image.type) {
 			case SWT.BITMAP:
 				/* AW
 				labelPixmap = image.pixmap;
 				*/
 				disabled = new Image (display, image, SWT.IMAGE_DISABLE);
 				/* AW
 				labelInsensitivePixmap = disabled.pixmap;
 				*/
 				break;
 			case SWT.ICON:
 				Rectangle rect = image.getBounds ();
 				bitmap = new Image (display, rect.width, rect.height);
 				GC gc = new GC (bitmap);
 				gc.setBackground (getBackground ());
 				gc.fillRectangle (rect);
 				gc.drawImage (image, 0, 0);
 				gc.dispose ();
 				/* AW
 				labelPixmap = bitmap.pixmap;
 				*/
 				disabled = new Image (display, bitmap, SWT.IMAGE_DISABLE);
 				/* AW
 				labelInsensitivePixmap = disabled.pixmap;
 				*/
 				break;
 			default:
 				error (SWT.ERROR_NOT_IMPLEMENTED);
 		}
 	}
 	/* AW
 	int [] argList = {
 		OS.XmNlabelType, OS.XmPIXMAP,
 		OS.XmNlabelPixmap, labelPixmap,
 		OS.XmNlabelInsensitivePixmap, labelInsensitivePixmap,
 	};
 	OS.XtSetValues (handle, argList, argList.length / 2);
 	*/
 	redrawWidget (0, 0, 0, 0, false);
 }
 public void setBounds (int x, int y, int width, int height) {
 	super.setBounds (x, y, width, height);
 	if ((style & SWT.WRAP) != 0) setText (text);
 }
 public void setFont (Font font) {
 	super.setFont (font);
 	if ((style & SWT.WRAP) != 0) setText (text);
 }
 /**
  * Sets the receiver's image to the argument, which may be
  * null indicating that no image should be displayed.
  *
  * @param image the 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 setImage (Image image) {
 	checkWidget();
 	setBitmap (this.image = image);
 }
 public void setSize (int width, int height) {
 	super.setSize (width, height);
 	if ((style & SWT.WRAP) != 0) setText (text);
 }
 /**
  * Sets the receiver's text.
  * <p>
  * This method sets the widget label.  The label may include
  * the mnemonic characters and line delimiters.
  * </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;
 	text = string;

 	/* Strip out mnemonic marker symbols, and remember the mnemonic. */
 	char [] unicode = new char [string.length ()];
 	string.getChars (0, unicode.length, unicode, 0);
 	int i=0, j=0, mnemonic=0;
 	while (i < unicode.length) {
 		if ((unicode [j++] = unicode [i++]) == Mnemonic) {
 			if (i == unicode.length) {continue;}
 			if (unicode [i] == Mnemonic) {i++; continue;}
 			if (mnemonic == 0) mnemonic = unicode [i];
 			j--;
 		}
 	}
 	while (j < unicode.length) unicode [j++] = 0;

 	redrawWidget (0, 0, 0, 0, false);
 }
 }
	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.*;
	import org.eclipse.swt.graphics.*;
	import org.eclipse.swt.internal.carbon.*;

	/**
	* Instances of this class represent a non-selectable
	* user interface object that displays a string or image.
	* When SEPARATOR is specified, displays a single
	* vertical or horizontal line.
	* <dl>
	* <dt><b>Styles:</b></dt>
	* <dd>SEPARATOR, HORIZONTAL, VERTICAL</dd>
	* <dd>SHADOW_IN, SHADOW_OUT, SHADOW_NONE</dd>
	* <dd>CENTER, LEFT, RIGHT, WRAP</dd>
	* <dt><b>Events:</b></dt>
	* <dd>(none)</dd>
	* </dl>
	* <p>
	* Note: Only one of SHADOW_IN, SHADOW_OUT and SHADOW_NONE may be specified.
	* SHADOW_NONE is a HINT. Only one of HORIZONTAL and VERTICAL may be specified.
	* Only one of CENTER, LEFT and RIGHT may be specified.
	* </p><p>
	* IMPORTANT: This class is intended to be subclassed <em>only</em>
	* within the SWT implementation.
	* </p>
	*/
	public /final/ class Label extends Control {
	String text = "";
	Image image, bitmap, disabled;

	/**
	* Constructs a new instance of this class given its parent
	* and a style value describing its behavior and appearance.
	* <p>
	* The style value is either one of the style constants defined in
	* class <code>SWT</code> which is applicable to instances of this
	* class, or must be built by <em>bitwise OR</em>'ing together
	* (that is, using the <code>int</code> "\|" operator) two or more
	* of those <code>SWT</code> style constants. The class description
	* lists the style constants that are applicable to the class.
	* Style bits are also inherited from superclasses.
	* </p>
	*
	* @param parent a composite control which will be the parent of the new instance (cannot be null)
	* @param style the style of control to construct
	*
	* @exception IllegalArgumentException <ul>
	* <li>ERROR_NULL_ARGUMENT - if the parent is null</li>
	* </ul>
	* @exception SWTException <ul>
	* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the parent</li>
	* <li>ERROR_INVALID_SUBCLASS - if this class is not an allowed subclass</li>
	* </ul>
	*
	* @see SWT#SEPARATOR
	* @see SWT#HORIZONTAL
	* @see SWT#VERTICAL
	* @see SWT#SHADOW_IN
	* @see SWT#SHADOW_OUT
	* @see SWT#SHADOW_NONE
	* @see SWT#CENTER
	* @see SWT#LEFT
	* @see SWT#RIGHT
	* @see SWT#WRAP
	* @see Widget#checkSubclass
	* @see Widget#getStyle
	*/
	public Label (Composite parent, int style) {
	super (parent, checkStyle (style));
	}
	static int checkStyle (int style) {
	if ((style & SWT.SEPARATOR) != 0) return style;
	return checkBits (style, SWT.LEFT, SWT.CENTER, SWT.RIGHT, 0, 0, 0);
	}
	public Point computeSize (int wHint, int hHint, boolean changed) {
	checkWidget();
	int border = getBorderWidth ();
	int width = 0, height = 0;

	if ((style & SWT.SEPARATOR) != 0) {
	if ((style & SWT.HORIZONTAL) != 0) {
	width += DEFAULT_WIDTH;
	height += 3;
	} else {
	width += 3;
	height += DEFAULT_HEIGHT;
	}
	} else {
	if (image != null) {
	Rectangle r = image.getBounds();
	width= r.width;
	height= r.height;
	} else {
	short[] bounds= new short[2];
	short[] baseLine= new short[1];
	boolean wrap= false;
	if ((style & SWT.WRAP) != 0 && wHint != SWT.DEFAULT) {
	wrap= true;
	bounds[1]= (short) wHint; // If we are wrapping text, calculate the height based on wHint.
	}
	int sHandle= OS.CFStringCreateWithCharacters(removeMnemonics(text));

	GC gc= new GC(this);
	gc.installFont();
	OS.GetThemeTextDimensions(sHandle, OS.kThemeCurrentPortFont, OS.kThemeStateActive, wrap, bounds, baseLine);
	gc.dispose();

	OS.CFRelease(sHandle);
	width = bounds[1];
	height = bounds[0];
	}
	/*
	* Feature in Motif. If a label's labelType is XmSTRING but it
	* has no label set into it yet, recomputing the size will
	* not take into account the height of the font, as we would
	* like it to. Take care of this case.
	*/
	/* AW
	if (text.length () == 0) {
	height += getFontHeight ();
	width = 0;
	}
	*/
	}
	if (wHint != SWT.DEFAULT) width = wHint;
	if (hHint != SWT.DEFAULT) height = hHint;
	return new Point (width + 2border, height + 2border);
	}
	void createHandle (int index) {
	state \|= HANDLE;
	int parentHandle = parent.handle;
	int borderWidth = (style & SWT.BORDER) != 0 ? 1 : 0;
	if ((style & SWT.SEPARATOR) != 0) {
	handle = MacUtil.createSeparator(parentHandle, style);
	} else {
	handle = MacUtil.createDrawingArea(parentHandle, 0, 0, borderWidth);
	}
	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
	}
	int defaultBackground () {
	return getDisplay ().labelBackground;
	}
	Font defaultFont () {
	return getDisplay ().labelFont;
	}
	int defaultForeground () {
	return getDisplay ().labelForeground;
	}
	/**
	* Returns a value which describes the position of the
	* text or image in the receiver. The value will be one of
	* <code>LEFT</code>, <code>RIGHT</code> or <code>CENTER</code>
	* unless the receiver is a <code>SEPARATOR</code> label, in
	* which case, <code>NONE</code> is returned.
	*
	* @return the alignment
	*
	* @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 getAlignment () {
	checkWidget();
	if ((style & SWT.SEPARATOR) != 0) return SWT.LEFT;
	if ((style & SWT.CENTER) != 0)
	return SWT.CENTER;
	if ((style & SWT.RIGHT) != 0)
	return SWT.RIGHT;
	return SWT.LEFT;
	}
	public int getBorderWidth () {
	checkWidget();
	return (style & SWT.BORDER) != 0 ? 1 : 0;
	}
	/**
	* Returns the receiver's image if it has one, or null
	* if it does not.
	*
	* @return the receiver's 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 getImage () {
	checkWidget();
	return image;
	}
	String getNameText () {
	return getText ();
	}
	/**
	* Returns the receiver's text, which will be an empty
	* string if it has never been set or if the receiver is
	* a <code>SEPARATOR</code> label.
	*
	* @return the receiver's 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 getText () {
	checkWidget();
	if ((style & SWT.SEPARATOR) != 0) return "";
	return text;
	}
	void hookEvents () {
	super.hookEvents ();
	Display display= getDisplay();
	OS.SetControlData(handle, OS.kControlEntireControl, OS.kControlUserPaneDrawProcTag, display.fUserPaneDrawProc);
	}
	boolean mnemonicHit (char key) {
	Composite control = this.parent;
	while (control != null) {
	Control [] children = control._getChildren ();
	int index = 0;
	while (index < children.length) {
	if (children [index] == this) break;
	index++;
	}
	index++;
	if (index < children.length) {
	if (children [index].setFocus ()) return true;
	}
	control = control.parent;
	}
	return false;
	}
	boolean mnemonicMatch (char key) {
	char mnemonic = findMnemonic (getText ());
	if (mnemonic == '\0') return false;
	return Character.toUpperCase (key) == Character.toUpperCase (mnemonic);
	}
	int processPaint (Object callData) {
	if ((style & SWT.SEPARATOR) != 0) return 0;

	int hndl= topHandle();
	Display display= getDisplay();

	MacRect bounds= new MacRect();
	OS.GetControlBounds(hndl, bounds.getData());

	int w= bounds.getWidth();
	int h= bounds.getHeight();
	int borderWidth = (style & SWT.BORDER) != 0 ? 1 : 0;

	GC gc= new GC(this);
	gc.carbon_focus();

	gc.fillRectangle(0, 0, w, h);

	if (image != null) {
	Rectangle imageBounds= image.getBounds();
	gc.drawImage(image, (w-imageBounds.width) / 2, (h-imageBounds.height) / 2);
	} else {
	int sHandle= OS.CFStringCreateWithCharacters(removeMnemonics(text));
	boolean wrap= (style & SWT.WRAP) != 0;
	short just= 0;
	if ((style & SWT.RIGHT) != 0)
	just= 2;
	else if ((style & SWT.CENTER) != 0)
	just= 1;
	if (OS.IsControlEnabled(handle))
	OS.RGBForeColor(0x000000);
	else
	OS.RGBForeColor(0x808080);
	gc.installFont();
	bounds.set(bounds.getX()+borderWidth, bounds.getY()+borderWidth, w-2borderWidth, h-2borderWidth);
	OS.DrawThemeTextBox(sHandle, OS.kThemeCurrentPortFont, OS.kThemeStateActive, wrap, bounds.getData(), just, 0);
	OS.CFRelease(sHandle);
	}

	if (borderWidth > 0) {
	gc.setForeground(display.getSystemColor(SWT.COLOR_GRAY));
	gc.drawRectangle(0, 0, w-1, h-1);
	}

	gc.carbon_unfocus();
	gc.dispose();

	return 0;
	}
	void propagateWidget (boolean enabled) {
	super.propagateWidget (enabled);
	/*
	* Labels never participate in focus traversal when
	* either enabled or disabled.
	*/
	/* AW
	if (enabled) {
	int [] argList = {OS.XmNtraversalOn, 0};
	OS.XtSetValues (handle, argList, argList.length / 2);
	}
	*/
	}
	void releaseWidget () {
	super.releaseWidget ();
	/* AW
	int [] argList = {
	OS.XmNlabelPixmap, OS.XmUNSPECIFIED_PIXMAP,
	OS.XmNlabelInsensitivePixmap, OS.XmUNSPECIFIED_PIXMAP,
	};
	OS.XtSetValues (handle, argList, argList.length / 2);
	*/
	if (bitmap != null) bitmap.dispose ();
	if (disabled != null) disabled.dispose ();
	image = bitmap = disabled = null;
	}
	/* AW
	int separatorType () {
	if ((style & (SWT.SHADOW_IN)) != 0) return OS.XmSHADOW_ETCHED_IN;
	if ((style & (SWT.SHADOW_OUT)) != 0) return OS.XmSHADOW_ETCHED_OUT;
	return OS.XmSHADOW_ETCHED_IN;
	}
	*/
	/**
	* Controls how text and images will be displayed in the receiver.
	* The argument should be one of <code>LEFT</code>, <code>RIGHT</code>
	* or <code>CENTER</code>. If the receiver is a <code>SEPARATOR</code>
	* label, the argument is ignored and the alignment is not changed.
	*
	* @param alignment the new alignment
	*
	* @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 setAlignment (int alignment) {
	checkWidget();
	if ((style & SWT.SEPARATOR) != 0) return;
	int mask= SWT.LEFT \| SWT.CENTER \| SWT.RIGHT;
	int newAlignment= alignment & mask;
	int currentAlignment= style & mask;
	if (currentAlignment != newAlignment) {
	style &= ~mask;
	style \|= newAlignment;
	redrawWidget (0, 0, 0, 0, false);
	}
	}
	/* AW
	void setBackgroundPixel (int pixel) {
	super.setBackgroundPixel (pixel);
	int [] argList = {OS.XmNlabelType, 0};
	OS.XtGetValues (handle, argList, argList.length / 2);
	if (argList [1] == OS.XmPIXMAP) setBitmap (image);
	}
	*/
	void setBitmap (Image image) {
	/* AW
	int labelPixmap = OS.XmUNSPECIFIED_PIXMAP;
	int labelInsensitivePixmap = OS.XmUNSPECIFIED_PIXMAP;
	*/
	if (bitmap != null) bitmap.dispose ();
	if (disabled != null) disabled.dispose ();
	bitmap = disabled = null;
	if (image != null) {
	if (image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
	Display display = getDisplay ();
	switch (image.type) {
	case SWT.BITMAP:
	/* AW
	labelPixmap = image.pixmap;
	*/
	disabled = new Image (display, image, SWT.IMAGE_DISABLE);
	/* AW
	labelInsensitivePixmap = disabled.pixmap;
	*/
	break;
	case SWT.ICON:
	Rectangle rect = image.getBounds ();
	bitmap = new Image (display, rect.width, rect.height);
	GC gc = new GC (bitmap);
	gc.setBackground (getBackground ());
	gc.fillRectangle (rect);
	gc.drawImage (image, 0, 0);
	gc.dispose ();
	/* AW
	labelPixmap = bitmap.pixmap;
	*/
	disabled = new Image (display, bitmap, SWT.IMAGE_DISABLE);
	/* AW
	labelInsensitivePixmap = disabled.pixmap;
	*/
	break;
	default:
	error (SWT.ERROR_NOT_IMPLEMENTED);
	}
	}
	/* AW
	int [] argList = {
	OS.XmNlabelType, OS.XmPIXMAP,
	OS.XmNlabelPixmap, labelPixmap,
	OS.XmNlabelInsensitivePixmap, labelInsensitivePixmap,
	};
	OS.XtSetValues (handle, argList, argList.length / 2);
	*/
	redrawWidget (0, 0, 0, 0, false);
	}
	public void setBounds (int x, int y, int width, int height) {
	super.setBounds (x, y, width, height);
	if ((style & SWT.WRAP) != 0) setText (text);
	}
	public void setFont (Font font) {
	super.setFont (font);
	if ((style & SWT.WRAP) != 0) setText (text);
	}
	/**
	* Sets the receiver's image to the argument, which may be
	* null indicating that no image should be displayed.
	*
	* @param image the 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 setImage (Image image) {
	checkWidget();
	setBitmap (this.image = image);
	}
	public void setSize (int width, int height) {
	super.setSize (width, height);
	if ((style & SWT.WRAP) != 0) setText (text);
	}
	/**
	* Sets the receiver's text.
	* <p>
	* This method sets the widget label. The label may include
	* the mnemonic characters and line delimiters.
	* </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;
	text = string;

	/* Strip out mnemonic marker symbols, and remember the mnemonic. */
	char [] unicode = new char [string.length ()];
	string.getChars (0, unicode.length, unicode, 0);
	int i=0, j=0, mnemonic=0;
	while (i < unicode.length) {
	if ((unicode [j++] = unicode [i++]) == Mnemonic) {
	if (i == unicode.length) {continue;}
	if (unicode [i] == Mnemonic) {i++; continue;}
	if (mnemonic == 0) mnemonic = unicode [i];
	j--;
	}
	}
	while (j < unicode.length) unicode [j++] = 0;

	redrawWidget (0, 0, 0, 0, false);
	}
	}