bundles/org.eclipse.swt/Eclipse SWT/photon/org/eclipse/swt/widgets/Label.java - platform/eclipse.platform.swt - Git at Google

 package org.eclipse.swt.widgets;

 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved
  */

 import org.eclipse.swt.internal.*;
 import org.eclipse.swt.internal.photon.*;
 import org.eclipse.swt.*;
 import org.eclipse.swt.graphics.*;

 /**
  * 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, SHADOW_IN, SHADOW_OUT, VERTICAL</dd>
  * <dd>CENTER, LEFT, RIGHT, WRAP</dd>
  * <dt><b>Events:</b></dt>
  * <dd>(none)</dd>
  * </dl>
  * <p>
  * IMPORTANT: This class is intended to be subclassed <em>only</em>
  * within the SWT implementation.
  * </p>
  */
 public class Label extends Control {
 	String text = "";
 	Image image;

 /**
  * 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
  * for all SWT widget classes should include a comment which
  * describes the style constants which are applicable to the class.
  * </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
  * @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();
 	if ((style & SWT.SEPARATOR) != 0) {
 		int border = getBorderWidth ();
 		int width = border * 2, height = border * 2;
 		if ((style & SWT.HORIZONTAL) != 0) {
 			width += DEFAULT_WIDTH;  height += 3;
 		} else {
 			width += 3; height += DEFAULT_HEIGHT;
 		}
 		if (wHint != SWT.DEFAULT) width = wHint + (border * 2);
 		if (hHint != SWT.DEFAULT) height = hHint + (border * 2);
 		return new Point (width, height);
 	}

 	if ((style & SWT.WRAP) != 0) {
 		int [] args = {
 			OS.Pt_ARG_LABEL_TYPE, 0, 0,		// 1
 			OS.Pt_ARG_TEXT_FONT, 0, 0,		// 4
 			OS.Pt_ARG_LINE_SPACING, 0, 0,	// 7
 			OS.Pt_ARG_MARGIN_WIDTH, 0, 0,	// 10
 			OS.Pt_ARG_MARGIN_HEIGHT, 0, 0,	// 13
 			OS.Pt_ARG_MARGIN_LEFT, 0, 0,	// 16
 			OS.Pt_ARG_MARGIN_RIGHT, 0, 0,	// 19
 			OS.Pt_ARG_MARGIN_TOP, 0, 0,		// 22
 			OS.Pt_ARG_MARGIN_BOTTOM, 0, 0,	// 25
 		};
 		OS.PtGetResources (handle, args.length / 3, args);
 		/* If we are wrapping text, calculate the height based on wHint. */
 		if (args [1] == OS.Pt_Z_STRING) {
 			int length = OS.strlen (args [4]);
 			byte [] font = new byte [length + 1];
 			OS.memmove (font, args [4], length);
 			Display display = getDisplay ();
 			PhRect_t rect = new PhRect_t ();
 			String string = text;
 			if (wHint != SWT.DEFAULT) {
 				string = display.wrapText (text, font, wHint);
 			}
 			if (hHint != SWT.DEFAULT) {
 				rect.ul_y = 0;
 				rect.lr_y = (short)(hHint - 1);
 			} else {
 				byte [] buffer = Converter.wcsToMbcs (null, string, false);
 				OS.PgExtentMultiText (rect, null, font, buffer, buffer.length, args [7]);
 			}
 			PhArea_t area = new PhArea_t ();
 			OS.PtSetAreaFromWidgetCanvas (handle, rect, area);
 			int width = area.size_w;
 			int height = area.size_h;
 			width += (args [10] * 2) + args [16] + args [19];
 			height += (args [13] * 2) + args [22] + args [25];
 			return new Point (width, height);
 		}
 	}

 	PhDim_t dim = new PhDim_t();
 	if (!OS.PtWidgetIsRealized (handle)) OS.PtExtentWidget (handle);
 	OS.PtWidgetPreferredSize(handle, dim);
 	int width = dim.w, height = dim.h;
 	if (wHint != SWT.DEFAULT || hHint != SWT.DEFAULT) {
 		int [] args = {
 			OS.Pt_ARG_MARGIN_WIDTH, 0, 0,	// 1
 			OS.Pt_ARG_MARGIN_HEIGHT, 0, 0,	// 4
 			OS.Pt_ARG_MARGIN_LEFT, 0, 0,	// 7
 			OS.Pt_ARG_MARGIN_RIGHT, 0, 0,	// 10
 			OS.Pt_ARG_MARGIN_TOP, 0, 0,		// 13
 			OS.Pt_ARG_MARGIN_BOTTOM, 0, 0,	// 16
 		};
 		OS.PtGetResources (handle, args.length / 3, args);
 		PhRect_t rect = new PhRect_t ();
 		PhArea_t area = new PhArea_t ();
 		rect.lr_x = (short) (wHint - 1);
 		rect.lr_y = (short) (hHint - 1);
 		OS.PtSetAreaFromWidgetCanvas (handle, rect, area);
 		if (wHint != SWT.DEFAULT) {
 			width = area.size_w + (args [1] * 2) + args [7] + args [10];
 		}
 		if (hHint != SWT.DEFAULT) {
 			height = area.size_h + (args [4] * 2) + args [13] + args [16];
 		}
 	}
 	return new Point (width, height);
 }

 void createHandle (int index) {
 	state |= HANDLE;
 	Display display = getDisplay ();
 	int parentHandle = parent.handle;

 	if ((style & SWT.SEPARATOR) != 0) {
 		int clazz = display.PtSeparator;
 		int orientation = (style & SWT.HORIZONTAL) != 0 ? OS.Pt_SEP_HORIZONTAL : OS.Pt_SEP_VERTICAL;
 		int type = OS.Pt_ETCHED_IN;
 		if ((style & (SWT.SHADOW_OUT)) != 0) type = OS.Pt_ETCHED_OUT;
 		int [] args = {
 			OS.Pt_ARG_SEP_FLAGS, orientation, OS.Pt_SEP_VERTICAL | OS.Pt_SEP_HORIZONTAL,
 			OS.Pt_ARG_SEP_TYPE, type, 0,
 			OS.Pt_ARG_FILL_COLOR, display.WIDGET_BACKGROUND, 0,
 			OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
 		};
 		handle = OS.PtCreateWidget (clazz, parentHandle, args.length / 3, args);
 		if (handle == 0) error (SWT.ERROR_NO_HANDLES);
 		return;
 	}

 	int clazz = display.PtLabel;
 	int alignment = OS.Pt_LEFT;
 	if ((style & SWT.CENTER) != 0) alignment = OS.Pt_CENTER;
 	if ((style & SWT.RIGHT) != 0) alignment = OS.Pt_RIGHT;
 	int verticalAlign = (style & SWT.WRAP) != 0 ? OS.Pt_TOP : OS.Pt_CENTER;
 	boolean hasBorder = (style & SWT.BORDER) != 0;
 	int [] args = {
 		OS.Pt_ARG_FLAGS, hasBorder ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED,
 		OS.Pt_ARG_HORIZONTAL_ALIGNMENT, alignment, 0,
 		OS.Pt_ARG_VERTICAL_ALIGNMENT, verticalAlign, 0,
 		OS.Pt_ARG_FILL_COLOR, display.WIDGET_BACKGROUND, 0,
 		OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
 	};
 	handle = OS.PtCreateWidget (clazz, parentHandle, args.length / 3, args);
 	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
 }

 /**
  * 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 0;
 	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;
 }

 /**
  * 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;
 }

 int processPaint (int damage) {
 	int clazz = OS.PtLabel ();
 	if ((style & SWT.SEPARATOR) != 0) clazz = OS.PtSeparator ();
 	OS.PtSuperClassDraw (clazz, handle, damage);
 	return super.processPaint (damage);
 }

 int processActivate (int info) {
 	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 OS.Pt_CONTINUE;
 		}
 		control = control.parent;
 	}
 	return OS.Pt_CONTINUE;
 }

 void releaseWidget () {
 	super.releaseWidget ();
 	image = null;
 	text = null;
 }

 /**
  * 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;
 	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 [] args = {OS.Pt_ARG_HORIZONTAL_ALIGNMENT, OS.Pt_LEFT, 0};
 	if ((style & SWT.CENTER) != 0) args [1] = OS.Pt_CENTER;
 	if ((style & SWT.RIGHT) != 0) args [1] = OS.Pt_RIGHT;
 	OS.PtSetResources (handle, args.length / 3, args);
 }

 void setBounds (int x, int y, int width, int height, boolean move, boolean resize) {
 	super.setBounds (x, y, width, height, move, resize);
 	if (resize && (style & SWT.WRAP) != 0) setText (text);
 }

 public boolean setFocus () {
 	checkWidget();
 	return false;
 }

 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();
 	if ((style & SWT.SEPARATOR) != 0) return;
 	this.image = image;
 	int imageHandle = 0;
 	if (image != null) {
 		if (image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
 		imageHandle = copyPhImage (image.handle);
 	}
 	int [] args = {
 		OS.Pt_ARG_LABEL_IMAGE, imageHandle, 0,
 		OS.Pt_ARG_LABEL_TYPE, OS.Pt_IMAGE, 0
 	};
 	OS.PtSetResources (handle, args.length / 3, args);
 	if (imageHandle != 0) OS.free (imageHandle);
 }

 /**
  * 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;
 	char [] unicode = new char [string.length ()];
 	string.getChars (0, unicode.length, unicode, 0);
 	int i=0, j=0;
 	char 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;
 	/* Wrap the text if necessary, and convert to mbcs. */
 	byte [] buffer;
 	if ((style & SWT.WRAP) != 0) {
 		int [] args = {
 			OS.Pt_ARG_TEXT_FONT, 0, 0,		// 1
 			OS.Pt_ARG_WIDTH, 0, 0,			// 4
 			OS.Pt_ARG_MARGIN_WIDTH, 0, 0,	// 7
 			OS.Pt_ARG_MARGIN_LEFT, 0, 0,	// 10
 			OS.Pt_ARG_MARGIN_RIGHT, 0, 0,	// 13
 		};
 		OS.PtGetResources (handle, args.length / 3, args);
 		int length = OS.strlen (args [1]);
 		byte [] font = new byte [length + 1];
 		OS.memmove (font, args [1], length);
 		int border = 0;
 		if ((style & SWT.BORDER) != 0) border = 2;
 		int width = args [4];
 		width -= (args [7] * 2) + args [10] + args [13] + border * 2;
 		Display display = getDisplay ();
 		if (mnemonic != '\0') string = new String (unicode);
 		string = display.wrapText (string, font, width);
 		buffer = Converter.wcsToMbcs (null, string, true);
 	} else {
 		buffer = Converter.wcsToMbcs (null, unicode, true);
 	}
 	int ptr = OS.malloc (buffer.length);
 	OS.memmove (ptr, buffer, buffer.length);
 	int ptr2 = 0;
 	if (mnemonic != 0) {
 		byte [] buffer2 = Converter.wcsToMbcs (null, new char []{mnemonic}, true);
 		ptr2 = OS.malloc (buffer2.length);
 		OS.memmove (ptr2, buffer2, buffer2.length);
 	}
 	replaceMnemonic (mnemonic, true, true);
 	int [] args = {
 		OS.Pt_ARG_TEXT_STRING, ptr, 0,
 		OS.Pt_ARG_LABEL_TYPE, OS.Pt_Z_STRING, 0,
 		OS.Pt_ARG_ACCEL_KEY, ptr2, 0,
 	};
 	OS.PtSetResources (handle, args.length / 3, args);
 	OS.free (ptr);
 	OS.free (ptr2);
 }

 }
	package org.eclipse.swt.widgets;

	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved
	*/

	import org.eclipse.swt.internal.*;
	import org.eclipse.swt.internal.photon.*;
	import org.eclipse.swt.*;
	import org.eclipse.swt.graphics.*;

	/**
	* 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, SHADOW_IN, SHADOW_OUT, VERTICAL</dd>
	* <dd>CENTER, LEFT, RIGHT, WRAP</dd>
	* <dt><b>Events:</b></dt>
	* <dd>(none)</dd>
	* </dl>
	* <p>
	* IMPORTANT: This class is intended to be subclassed <em>only</em>
	* within the SWT implementation.
	* </p>
	*/
	public class Label extends Control {
	String text = "";
	Image image;

	/**
	* 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
	* for all SWT widget classes should include a comment which
	* describes the style constants which are applicable to the class.
	* </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
	* @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();
	if ((style & SWT.SEPARATOR) != 0) {
	int border = getBorderWidth ();
	int width = border * 2, height = border * 2;
	if ((style & SWT.HORIZONTAL) != 0) {
	width += DEFAULT_WIDTH; height += 3;
	} else {
	width += 3; height += DEFAULT_HEIGHT;
	}
	if (wHint != SWT.DEFAULT) width = wHint + (border * 2);
	if (hHint != SWT.DEFAULT) height = hHint + (border * 2);
	return new Point (width, height);
	}

	if ((style & SWT.WRAP) != 0) {
	int [] args = {
	OS.Pt_ARG_LABEL_TYPE, 0, 0, // 1
	OS.Pt_ARG_TEXT_FONT, 0, 0, // 4
	OS.Pt_ARG_LINE_SPACING, 0, 0, // 7
	OS.Pt_ARG_MARGIN_WIDTH, 0, 0, // 10
	OS.Pt_ARG_MARGIN_HEIGHT, 0, 0, // 13
	OS.Pt_ARG_MARGIN_LEFT, 0, 0, // 16
	OS.Pt_ARG_MARGIN_RIGHT, 0, 0, // 19
	OS.Pt_ARG_MARGIN_TOP, 0, 0, // 22
	OS.Pt_ARG_MARGIN_BOTTOM, 0, 0, // 25
	};
	OS.PtGetResources (handle, args.length / 3, args);
	/* If we are wrapping text, calculate the height based on wHint. */
	if (args [1] == OS.Pt_Z_STRING) {
	int length = OS.strlen (args [4]);
	byte [] font = new byte [length + 1];
	OS.memmove (font, args [4], length);
	Display display = getDisplay ();
	PhRect_t rect = new PhRect_t ();
	String string = text;
	if (wHint != SWT.DEFAULT) {
	string = display.wrapText (text, font, wHint);
	}
	if (hHint != SWT.DEFAULT) {
	rect.ul_y = 0;
	rect.lr_y = (short)(hHint - 1);
	} else {
	byte [] buffer = Converter.wcsToMbcs (null, string, false);
	OS.PgExtentMultiText (rect, null, font, buffer, buffer.length, args [7]);
	}
	PhArea_t area = new PhArea_t ();
	OS.PtSetAreaFromWidgetCanvas (handle, rect, area);
	int width = area.size_w;
	int height = area.size_h;
	width += (args [10] * 2) + args [16] + args [19];
	height += (args [13] * 2) + args [22] + args [25];
	return new Point (width, height);
	}
	}

	PhDim_t dim = new PhDim_t();
	if (!OS.PtWidgetIsRealized (handle)) OS.PtExtentWidget (handle);
	OS.PtWidgetPreferredSize(handle, dim);
	int width = dim.w, height = dim.h;
	if (wHint != SWT.DEFAULT \|\| hHint != SWT.DEFAULT) {
	int [] args = {
	OS.Pt_ARG_MARGIN_WIDTH, 0, 0, // 1
	OS.Pt_ARG_MARGIN_HEIGHT, 0, 0, // 4
	OS.Pt_ARG_MARGIN_LEFT, 0, 0, // 7
	OS.Pt_ARG_MARGIN_RIGHT, 0, 0, // 10
	OS.Pt_ARG_MARGIN_TOP, 0, 0, // 13
	OS.Pt_ARG_MARGIN_BOTTOM, 0, 0, // 16
	};
	OS.PtGetResources (handle, args.length / 3, args);
	PhRect_t rect = new PhRect_t ();
	PhArea_t area = new PhArea_t ();
	rect.lr_x = (short) (wHint - 1);
	rect.lr_y = (short) (hHint - 1);
	OS.PtSetAreaFromWidgetCanvas (handle, rect, area);
	if (wHint != SWT.DEFAULT) {
	width = area.size_w + (args [1] * 2) + args [7] + args [10];
	}
	if (hHint != SWT.DEFAULT) {
	height = area.size_h + (args [4] * 2) + args [13] + args [16];
	}
	}
	return new Point (width, height);
	}

	void createHandle (int index) {
	state \|= HANDLE;
	Display display = getDisplay ();
	int parentHandle = parent.handle;

	if ((style & SWT.SEPARATOR) != 0) {
	int clazz = display.PtSeparator;
	int orientation = (style & SWT.HORIZONTAL) != 0 ? OS.Pt_SEP_HORIZONTAL : OS.Pt_SEP_VERTICAL;
	int type = OS.Pt_ETCHED_IN;
	if ((style & (SWT.SHADOW_OUT)) != 0) type = OS.Pt_ETCHED_OUT;
	int [] args = {
	OS.Pt_ARG_SEP_FLAGS, orientation, OS.Pt_SEP_VERTICAL \| OS.Pt_SEP_HORIZONTAL,
	OS.Pt_ARG_SEP_TYPE, type, 0,
	OS.Pt_ARG_FILL_COLOR, display.WIDGET_BACKGROUND, 0,
	OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
	};
	handle = OS.PtCreateWidget (clazz, parentHandle, args.length / 3, args);
	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
	return;
	}

	int clazz = display.PtLabel;
	int alignment = OS.Pt_LEFT;
	if ((style & SWT.CENTER) != 0) alignment = OS.Pt_CENTER;
	if ((style & SWT.RIGHT) != 0) alignment = OS.Pt_RIGHT;
	int verticalAlign = (style & SWT.WRAP) != 0 ? OS.Pt_TOP : OS.Pt_CENTER;
	boolean hasBorder = (style & SWT.BORDER) != 0;
	int [] args = {
	OS.Pt_ARG_FLAGS, hasBorder ? OS.Pt_HIGHLIGHTED : 0, OS.Pt_HIGHLIGHTED,
	OS.Pt_ARG_HORIZONTAL_ALIGNMENT, alignment, 0,
	OS.Pt_ARG_VERTICAL_ALIGNMENT, verticalAlign, 0,
	OS.Pt_ARG_FILL_COLOR, display.WIDGET_BACKGROUND, 0,
	OS.Pt_ARG_RESIZE_FLAGS, 0, OS.Pt_RESIZE_XY_BITS,
	};
	handle = OS.PtCreateWidget (clazz, parentHandle, args.length / 3, args);
	if (handle == 0) error (SWT.ERROR_NO_HANDLES);
	}

	/**
	* 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 0;
	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;
	}

	/**
	* 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;
	}

	int processPaint (int damage) {
	int clazz = OS.PtLabel ();
	if ((style & SWT.SEPARATOR) != 0) clazz = OS.PtSeparator ();
	OS.PtSuperClassDraw (clazz, handle, damage);
	return super.processPaint (damage);
	}

	int processActivate (int info) {
	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 OS.Pt_CONTINUE;
	}
	control = control.parent;
	}
	return OS.Pt_CONTINUE;
	}

	void releaseWidget () {
	super.releaseWidget ();
	image = null;
	text = null;
	}

	/**
	* 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;
	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 [] args = {OS.Pt_ARG_HORIZONTAL_ALIGNMENT, OS.Pt_LEFT, 0};
	if ((style & SWT.CENTER) != 0) args [1] = OS.Pt_CENTER;
	if ((style & SWT.RIGHT) != 0) args [1] = OS.Pt_RIGHT;
	OS.PtSetResources (handle, args.length / 3, args);
	}

	void setBounds (int x, int y, int width, int height, boolean move, boolean resize) {
	super.setBounds (x, y, width, height, move, resize);
	if (resize && (style & SWT.WRAP) != 0) setText (text);
	}

	public boolean setFocus () {
	checkWidget();
	return false;
	}

	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();
	if ((style & SWT.SEPARATOR) != 0) return;
	this.image = image;
	int imageHandle = 0;
	if (image != null) {
	if (image.isDisposed()) error(SWT.ERROR_INVALID_ARGUMENT);
	imageHandle = copyPhImage (image.handle);
	}
	int [] args = {
	OS.Pt_ARG_LABEL_IMAGE, imageHandle, 0,
	OS.Pt_ARG_LABEL_TYPE, OS.Pt_IMAGE, 0
	};
	OS.PtSetResources (handle, args.length / 3, args);
	if (imageHandle != 0) OS.free (imageHandle);
	}

	/**
	* 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;
	char [] unicode = new char [string.length ()];
	string.getChars (0, unicode.length, unicode, 0);
	int i=0, j=0;
	char 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;
	/* Wrap the text if necessary, and convert to mbcs. */
	byte [] buffer;
	if ((style & SWT.WRAP) != 0) {
	int [] args = {
	OS.Pt_ARG_TEXT_FONT, 0, 0, // 1
	OS.Pt_ARG_WIDTH, 0, 0, // 4
	OS.Pt_ARG_MARGIN_WIDTH, 0, 0, // 7
	OS.Pt_ARG_MARGIN_LEFT, 0, 0, // 10
	OS.Pt_ARG_MARGIN_RIGHT, 0, 0, // 13
	};
	OS.PtGetResources (handle, args.length / 3, args);
	int length = OS.strlen (args [1]);
	byte [] font = new byte [length + 1];
	OS.memmove (font, args [1], length);
	int border = 0;
	if ((style & SWT.BORDER) != 0) border = 2;
	int width = args [4];
	width -= (args [7] * 2) + args [10] + args [13] + border * 2;
	Display display = getDisplay ();
	if (mnemonic != '\0') string = new String (unicode);
	string = display.wrapText (string, font, width);
	buffer = Converter.wcsToMbcs (null, string, true);
	} else {
	buffer = Converter.wcsToMbcs (null, unicode, true);
	}
	int ptr = OS.malloc (buffer.length);
	OS.memmove (ptr, buffer, buffer.length);
	int ptr2 = 0;
	if (mnemonic != 0) {
	byte [] buffer2 = Converter.wcsToMbcs (null, new char []{mnemonic}, true);
	ptr2 = OS.malloc (buffer2.length);
	OS.memmove (ptr2, buffer2, buffer2.length);
	}
	replaceMnemonic (mnemonic, true, true);
	int [] args = {
	OS.Pt_ARG_TEXT_STRING, ptr, 0,
	OS.Pt_ARG_LABEL_TYPE, OS.Pt_Z_STRING, 0,
	OS.Pt_ARG_ACCEL_KEY, ptr2, 0,
	};
	OS.PtSetResources (handle, args.length / 3, args);
	OS.free (ptr);
	OS.free (ptr2);
	}

	}