llvm-gcc-4.0/libjava/gnu/java/awt/peer/gtk/GtkComponentPeer.java - llvm-archive - Git at Google

 /* GtkComponentPeer.java -- Implements ComponentPeer with GTK
    Copyright (C) 1998, 1999, 2002, 2004, 2005  Free Software Foundation, Inc.

 This file is part of GNU Classpath.

 GNU Classpath is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2, or (at your option)
 any later version.

 GNU Classpath is distributed in the hope that it will be useful, but
 WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with GNU Classpath; see the file COPYING.  If not, write to the
 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
 02111-1307 USA.

 Linking this library statically or dynamically with other modules is
 making a combined work based on this library.  Thus, the terms and
 conditions of the GNU General Public License cover the whole
 combination.

 As a special exception, the copyright holders of this library give you
 permission to link this library with independent modules to produce an
 executable, regardless of the license terms of these independent
 modules, and to copy and distribute the resulting executable under
 terms of your choice, provided that you also meet, for each linked
 independent module, the terms and conditions of the license of that
 module.  An independent module is a module which is not derived from
 or based on this library.  If you modify this library, you may extend
 this exception to your version of the library, but you are not
 obligated to do so.  If you do not wish to do so, delete this
 exception statement from your version. */


 package gnu.java.awt.peer.gtk;

 import java.awt.AWTEvent;
 import java.awt.BufferCapabilities;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Container;
 import java.awt.Cursor;
 import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.FontMetrics;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.GraphicsConfiguration;
 import java.awt.Image;
 import java.awt.Insets;
 import java.awt.ItemSelectable;
 import java.awt.Point;
 import java.awt.Rectangle;
 import java.awt.Toolkit;
 import java.awt.Window;
 import java.awt.event.FocusEvent;
 import java.awt.event.ItemEvent;
 import java.awt.event.KeyEvent;
 import java.awt.event.MouseEvent;
 import java.awt.event.PaintEvent;
 import java.awt.image.ColorModel;
 import java.awt.image.ImageObserver;
 import java.awt.image.ImageProducer;
 import java.awt.image.VolatileImage;
 import java.awt.peer.ComponentPeer;

 public class GtkComponentPeer extends GtkGenericPeer
   implements ComponentPeer
 {
   Component awtComponent;

   Insets insets;

   boolean isInRepaint;

   /* this isEnabled differs from Component.isEnabled, in that it
      knows if a parent is disabled.  In that case Component.isEnabled
      may return true, but our isEnabled will always return false */
   native boolean isEnabled ();
   static native boolean modalHasGrab();

   native int[] gtkWidgetGetForeground ();
   native int[] gtkWidgetGetBackground ();
   native void gtkWidgetGetDimensions (int[] dim);
   native void gtkWidgetGetPreferredDimensions (int[] dim);
   native void gtkWidgetGetLocationOnScreen (int[] point);
   native void gtkWidgetSetCursor (int type);
   native void gtkWidgetSetBackground (int red, int green, int blue);
   native void gtkWidgetSetForeground (int red, int green, int blue);
   native void gtkWidgetSetSensitive (boolean sensitive);
   native void gtkWidgetSetParent (ComponentPeer parent);
   native void gtkWidgetRequestFocus ();
   native void gtkWidgetDispatchKeyEvent (int id, long when, int mods,
                                          int keyCode, int keyLocation);

   native boolean isRealized ();

   void create ()
   {
     throw new RuntimeException ();
   }

   native void connectSignals ();

   protected GtkComponentPeer (Component awtComponent)
   {
     super (awtComponent);
     this.awtComponent = awtComponent;
     insets = new Insets (0, 0, 0, 0);

     create ();

     connectSignals ();

     if (awtComponent.getForeground () != null)
       setForeground (awtComponent.getForeground ());
     if (awtComponent.getBackground () != null)
       setBackground (awtComponent.getBackground ());
     if (awtComponent.getFont() != null)
       setFont(awtComponent.getFont());

     Component parent = awtComponent.getParent ();

     // Only set our parent on the GTK side if our parent on the AWT
     // side is not showing.  Otherwise the gtk peer will be shown
     // before we've had a chance to position and size it properly.
     if (awtComponent instanceof Window
         || (parent != null && ! parent.isShowing ()))
       setParentAndBounds ();
   }

   void setParentAndBounds ()
   {
     setParent ();

     setComponentBounds ();

     setVisibleAndEnabled ();
   }

   void setParent ()
   {
     ComponentPeer p;
     Component component = awtComponent;
     do
       {
         component = component.getParent ();
         p = component.getPeer ();
       }
     while (p instanceof java.awt.peer.LightweightPeer);

     if (p != null)
       gtkWidgetSetParent (p);
   }

   void beginNativeRepaint ()
   {
     isInRepaint = true;
   }

   void endNativeRepaint ()
   {
     isInRepaint = false;
   }

   /*
    * Set the bounds of this peer's AWT Component based on dimensions
    * returned by the native windowing system.  Most Components impose
    * their dimensions on the peers which is what the default
    * implementation does.  However some peers, like GtkFileDialogPeer,
    * need to pass their size back to the AWT Component.
    */
   void setComponentBounds ()
   {
     Rectangle bounds = awtComponent.getBounds ();

     if (bounds.x == 0 && bounds.y == 0
         && bounds.width == 0 && bounds.height == 0)
       return;

     setBounds (bounds.x, bounds.y, bounds.width, bounds.height);
   }

   void setVisibleAndEnabled ()
   {
     setVisible (awtComponent.isVisible ());
     setEnabled (awtComponent.isEnabled ());
   }

   public int checkImage (Image image, int width, int height,
 			 ImageObserver observer)
   {
     GtkImage i = (GtkImage) image;
     return i.checkImage ();
   }

   public Image createImage (ImageProducer producer)
   {
     GtkImage image = new GtkImage (producer, null);
     producer.startProduction (image);
     return image;
   }

   public Image createImage (int width, int height)
   {
     Graphics g;
     if (GtkToolkit.useGraphics2D ())
       {
         Graphics2D g2 = new GdkGraphics2D (width, height);
         g2.setBackground (getBackground ());
         g = g2;
       }
     else
       g = new GdkGraphics (width, height);

     g.setColor(getBackground());
     g.fillRect(0, 0, width, height);

     return new GtkOffScreenImage (null, g, width, height);
   }

   public void disable ()
   {
     setEnabled (false);
   }

   public void enable ()
   {
     setEnabled (true);
   }

   public ColorModel getColorModel ()
   {
     return ColorModel.getRGBdefault ();
   }

   public FontMetrics getFontMetrics (Font font)
   {
     return getToolkit().getFontMetrics(font);
   }

   public Graphics getGraphics ()
   {
     if (GtkToolkit.useGraphics2D ())
         return new GdkGraphics2D (this);
     else
         return new GdkGraphics (this);
   }

   public Point getLocationOnScreen ()
   {
     int point[] = new int[2];
     gtkWidgetGetLocationOnScreen (point);
     return new Point (point[0], point[1]);
   }

   public Dimension getMinimumSize ()
   {
     return minimumSize ();
   }

   public Dimension getPreferredSize ()
   {
     return preferredSize ();
   }

   public Toolkit getToolkit ()
   {
     return Toolkit.getDefaultToolkit();
   }

   public void handleEvent (AWTEvent event)
   {
     int id = event.getID();
     KeyEvent ke = null;

     switch (id)
       {
       case PaintEvent.PAINT:
       case PaintEvent.UPDATE:
         {
           try
             {
               Graphics g = getGraphics ();

               // Some peers like GtkFileDialogPeer are repainted by Gtk itself
               if (g == null)
                 break;

               g.setClip (((PaintEvent) event).getUpdateRect());

               if (id == PaintEvent.PAINT)
                 awtComponent.paint (g);
               else
                 awtComponent.update (g);

               g.dispose ();
             }
           catch (InternalError e)
             {
               System.err.println (e);
             }
         }
         break;
       case KeyEvent.KEY_PRESSED:
         ke = (KeyEvent) event;
         gtkWidgetDispatchKeyEvent (ke.getID (), ke.getWhen (), ke.getModifiersEx (),
                                    ke.getKeyCode (), ke.getKeyLocation ());
         break;
       case KeyEvent.KEY_RELEASED:
         ke = (KeyEvent) event;
         gtkWidgetDispatchKeyEvent (ke.getID (), ke.getWhen (), ke.getModifiersEx (),
                                    ke.getKeyCode (), ke.getKeyLocation ());
         break;
       }
   }

   public boolean isFocusTraversable ()
   {
     return true;
   }

   public Dimension minimumSize ()
   {
     int dim[] = new int[2];

     gtkWidgetGetPreferredDimensions (dim);

     return new Dimension (dim[0], dim[1]);
   }

   public void paint (Graphics g)
   {
   }

   public Dimension preferredSize ()
   {
     int dim[] = new int[2];

     gtkWidgetGetPreferredDimensions (dim);

     return new Dimension (dim[0], dim[1]);
   }

   public boolean prepareImage (Image image, int width, int height,
 			       ImageObserver observer)
   {
     GtkImage i = (GtkImage) image;

     if (i.isLoaded ()) return true;

     class PrepareImage extends Thread
     {
       GtkImage image;
       ImageObserver observer;

       PrepareImage (GtkImage image, ImageObserver observer)
       {
 	this.image = image;
 	image.setObserver (observer);
       }

       public void run ()
       {
 	image.source.startProduction (image);
       }
     }

     new PrepareImage (i, observer).start ();
     return false;
   }

   public void print (Graphics g)
   {
     throw new RuntimeException ();
   }

   public void repaint (long tm, int x, int y, int width, int height)
   {
     if (x == 0 && y == 0 && width == 0 && height == 0)
       return;

     q().postEvent (new PaintEvent (awtComponent, PaintEvent.UPDATE,
                                  new Rectangle (x, y, width, height)));
   }

   public void requestFocus ()
   {
     gtkWidgetRequestFocus();
     postFocusEvent(FocusEvent.FOCUS_GAINED, false);
   }

   public void reshape (int x, int y, int width, int height)
   {
     setBounds (x, y, width, height);
   }

   public void setBackground (Color c)
   {
     gtkWidgetSetBackground (c.getRed(), c.getGreen(), c.getBlue());
   }

   native void setNativeBounds (int x, int y, int width, int height);

   public void setBounds (int x, int y, int width, int height)
   {
     Component parent = awtComponent.getParent ();

     // Heavyweight components that are children of one or more
     // lightweight containers have to be handled specially.  Because
     // calls to GLightweightPeer.setBounds do nothing, GTK has no
     // knowledge of the lightweight containers' positions.  So we have
     // to add the offsets manually when placing a heavyweight
     // component within a lightweight container.  The lightweight
     // container may itself be in a lightweight container and so on,
     // so we need to continue adding offsets until we reach a
     // container whose position GTK knows -- that is, the first
     // non-lightweight.
     boolean lightweightChild = false;
     Insets i;
     while (parent.isLightweight ())
       {
 	lightweightChild = true;

 	i = ((Container) parent).getInsets ();

 	x += parent.getX () + i.left;
 	y += parent.getY () + i.top;

 	parent = parent.getParent ();
       }

     // We only need to convert from Java to GTK coordinates if we're
     // placing a heavyweight component in a Window.
     if (parent instanceof Window && !lightweightChild)
       {
 	Insets insets = ((Window) parent).getInsets ();
         GtkWindowPeer peer = (GtkWindowPeer) parent.getPeer ();
         int menuBarHeight = 0;
         if (peer instanceof GtkFramePeer)
           menuBarHeight = ((GtkFramePeer) peer).getMenuBarHeight ();

         // Convert from Java coordinates to GTK coordinates.
         setNativeBounds (x - insets.left, y - insets.top + menuBarHeight,
                          width, height);
       }
     else
       setNativeBounds (x, y, width, height);
   }

   void setCursor ()
   {
     setCursor (awtComponent.getCursor ());
   }

   public void setCursor (Cursor cursor)
   {
     gtkWidgetSetCursor (cursor.getType ());
   }

   public void setEnabled (boolean b)
   {
     gtkWidgetSetSensitive (b);
   }

   public void setFont (Font f)
   {
     // FIXME: This should really affect the widget tree below me.
     // Currently this is only handled if the call is made directly on
     // a text widget, which implements setFont() itself.
     gtkWidgetModifyFont(f.getName(), f.getStyle(), f.getSize());
   }

   public void setForeground (Color c)
   {
     gtkWidgetSetForeground (c.getRed(), c.getGreen(), c.getBlue());
   }

   public Color getForeground ()
   {
     int rgb[] = gtkWidgetGetForeground ();
     return new Color (rgb[0], rgb[1], rgb[2]);
   }

   public Color getBackground ()
   {
     int rgb[] = gtkWidgetGetBackground ();
     return new Color (rgb[0], rgb[1], rgb[2]);
   }

   public void setVisible (boolean b)
   {
     if (b)
       show ();
     else
       hide ();
   }

   public native void hide ();
   public native void show ();

   protected void postMouseEvent(int id, long when, int mods, int x, int y,
 				int clickCount, boolean popupTrigger)
   {
     q().postEvent(new MouseEvent(awtComponent, id, when, mods, x, y,
 			       clickCount, popupTrigger));
   }

   protected void postExposeEvent (int x, int y, int width, int height)
   {
     if (!isInRepaint)
       q().postEvent (new PaintEvent (awtComponent, PaintEvent.PAINT,
                                    new Rectangle (x, y, width, height)));
   }

   protected void postKeyEvent (int id, long when, int mods,
                                int keyCode, char keyChar, int keyLocation)
   {
     KeyEvent keyEvent = new KeyEvent (awtComponent, id, when, mods,
                                       keyCode, keyChar, keyLocation);

     // Also post a KEY_TYPED event if keyEvent is a key press that
     // doesn't represent an action or modifier key.
     if (keyEvent.getID () == KeyEvent.KEY_PRESSED
         && (!keyEvent.isActionKey ()
             && keyCode != KeyEvent.VK_SHIFT
             && keyCode != KeyEvent.VK_CONTROL
             && keyCode != KeyEvent.VK_ALT))
       {
         synchronized (q)
           {
             q().postEvent (keyEvent);
             q().postEvent (new KeyEvent (awtComponent, KeyEvent.KEY_TYPED, when, mods,
                                         KeyEvent.VK_UNDEFINED, keyChar, keyLocation));
           }
       }
     else
       q().postEvent (keyEvent);
   }

   protected void postFocusEvent (int id, boolean temporary)
   {
     q().postEvent (new FocusEvent (awtComponent, id, temporary));
   }

   protected void postItemEvent (Object item, int stateChange)
   {
     q().postEvent (new ItemEvent ((ItemSelectable)awtComponent,
 				ItemEvent.ITEM_STATE_CHANGED,
 				item, stateChange));
   }

   public GraphicsConfiguration getGraphicsConfiguration ()
   {
     // FIXME: just a stub for now.
     return null;
   }

   public void setEventMask (long mask)
   {
     // FIXME: just a stub for now.
   }

   public boolean isFocusable ()
   {
     return false;
   }

   public boolean requestFocus (Component source, boolean b1,
                                boolean b2, long x)
   {
     return false;
   }

   public boolean isObscured ()
   {
     return false;
   }

   public boolean canDetermineObscurity ()
   {
     return false;
   }

   public void coalescePaintEvent (PaintEvent e)
   {

   }

   public void updateCursorImmediately ()
   {

   }

   public VolatileImage createVolatileImage (int width, int height)
   {
     return null;
   }

   public boolean handlesWheelScrolling ()
   {
     return false;
   }

   public void createBuffers (int x, BufferCapabilities capabilities)
     throws java.awt.AWTException

   {

   }

   public Image getBackBuffer ()
   {
     return null;
   }

   public void flip (BufferCapabilities.FlipContents contents)
   {

   }

   public void destroyBuffers ()
   {

   }
 }
	/* GtkComponentPeer.java -- Implements ComponentPeer with GTK
	Copyright (C) 1998, 1999, 2002, 2004, 2005 Free Software Foundation, Inc.

	This file is part of GNU Classpath.

	GNU Classpath is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2, or (at your option)
	any later version.

	GNU Classpath is distributed in the hope that it will be useful, but
	WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with GNU Classpath; see the file COPYING. If not, write to the
	Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
	02111-1307 USA.

	Linking this library statically or dynamically with other modules is
	making a combined work based on this library. Thus, the terms and
	conditions of the GNU General Public License cover the whole
	combination.

	As a special exception, the copyright holders of this library give you
	permission to link this library with independent modules to produce an
	executable, regardless of the license terms of these independent
	modules, and to copy and distribute the resulting executable under
	terms of your choice, provided that you also meet, for each linked
	independent module, the terms and conditions of the license of that
	module. An independent module is a module which is not derived from
	or based on this library. If you modify this library, you may extend
	this exception to your version of the library, but you are not
	obligated to do so. If you do not wish to do so, delete this
	exception statement from your version. */


	package gnu.java.awt.peer.gtk;

	import java.awt.AWTEvent;
	import java.awt.BufferCapabilities;
	import java.awt.Color;
	import java.awt.Component;
	import java.awt.Container;
	import java.awt.Cursor;
	import java.awt.Dimension;
	import java.awt.Font;
	import java.awt.FontMetrics;
	import java.awt.Graphics;
	import java.awt.Graphics2D;
	import java.awt.GraphicsConfiguration;
	import java.awt.Image;
	import java.awt.Insets;
	import java.awt.ItemSelectable;
	import java.awt.Point;
	import java.awt.Rectangle;
	import java.awt.Toolkit;
	import java.awt.Window;
	import java.awt.event.FocusEvent;
	import java.awt.event.ItemEvent;
	import java.awt.event.KeyEvent;
	import java.awt.event.MouseEvent;
	import java.awt.event.PaintEvent;
	import java.awt.image.ColorModel;
	import java.awt.image.ImageObserver;
	import java.awt.image.ImageProducer;
	import java.awt.image.VolatileImage;
	import java.awt.peer.ComponentPeer;

	public class GtkComponentPeer extends GtkGenericPeer
	implements ComponentPeer
	{
	Component awtComponent;

	Insets insets;

	boolean isInRepaint;

	/* this isEnabled differs from Component.isEnabled, in that it
	knows if a parent is disabled. In that case Component.isEnabled
	may return true, but our isEnabled will always return false */
	native boolean isEnabled ();
	static native boolean modalHasGrab();

	native int[] gtkWidgetGetForeground ();
	native int[] gtkWidgetGetBackground ();
	native void gtkWidgetGetDimensions (int[] dim);
	native void gtkWidgetGetPreferredDimensions (int[] dim);
	native void gtkWidgetGetLocationOnScreen (int[] point);
	native void gtkWidgetSetCursor (int type);
	native void gtkWidgetSetBackground (int red, int green, int blue);
	native void gtkWidgetSetForeground (int red, int green, int blue);
	native void gtkWidgetSetSensitive (boolean sensitive);
	native void gtkWidgetSetParent (ComponentPeer parent);
	native void gtkWidgetRequestFocus ();
	native void gtkWidgetDispatchKeyEvent (int id, long when, int mods,
	int keyCode, int keyLocation);

	native boolean isRealized ();

	void create ()
	{
	throw new RuntimeException ();
	}

	native void connectSignals ();

	protected GtkComponentPeer (Component awtComponent)
	{
	super (awtComponent);
	this.awtComponent = awtComponent;
	insets = new Insets (0, 0, 0, 0);

	create ();

	connectSignals ();

	if (awtComponent.getForeground () != null)
	setForeground (awtComponent.getForeground ());
	if (awtComponent.getBackground () != null)
	setBackground (awtComponent.getBackground ());
	if (awtComponent.getFont() != null)
	setFont(awtComponent.getFont());

	Component parent = awtComponent.getParent ();

	// Only set our parent on the GTK side if our parent on the AWT
	// side is not showing. Otherwise the gtk peer will be shown
	// before we've had a chance to position and size it properly.
	if (awtComponent instanceof Window
	\|\| (parent != null && ! parent.isShowing ()))
	setParentAndBounds ();
	}

	void setParentAndBounds ()
	{
	setParent ();

	setComponentBounds ();

	setVisibleAndEnabled ();
	}

	void setParent ()
	{
	ComponentPeer p;
	Component component = awtComponent;
	do
	{
	component = component.getParent ();
	p = component.getPeer ();
	}
	while (p instanceof java.awt.peer.LightweightPeer);

	if (p != null)
	gtkWidgetSetParent (p);
	}

	void beginNativeRepaint ()
	{
	isInRepaint = true;
	}

	void endNativeRepaint ()
	{
	isInRepaint = false;
	}

	/*
	* Set the bounds of this peer's AWT Component based on dimensions
	* returned by the native windowing system. Most Components impose
	* their dimensions on the peers which is what the default
	* implementation does. However some peers, like GtkFileDialogPeer,
	* need to pass their size back to the AWT Component.
	*/
	void setComponentBounds ()
	{
	Rectangle bounds = awtComponent.getBounds ();

	if (bounds.x == 0 && bounds.y == 0
	&& bounds.width == 0 && bounds.height == 0)
	return;

	setBounds (bounds.x, bounds.y, bounds.width, bounds.height);
	}

	void setVisibleAndEnabled ()
	{
	setVisible (awtComponent.isVisible ());
	setEnabled (awtComponent.isEnabled ());
	}

	public int checkImage (Image image, int width, int height,
	ImageObserver observer)
	{
	GtkImage i = (GtkImage) image;
	return i.checkImage ();
	}

	public Image createImage (ImageProducer producer)
	{
	GtkImage image = new GtkImage (producer, null);
	producer.startProduction (image);
	return image;
	}

	public Image createImage (int width, int height)
	{
	Graphics g;
	if (GtkToolkit.useGraphics2D ())
	{
	Graphics2D g2 = new GdkGraphics2D (width, height);
	g2.setBackground (getBackground ());
	g = g2;
	}
	else
	g = new GdkGraphics (width, height);

	g.setColor(getBackground());
	g.fillRect(0, 0, width, height);

	return new GtkOffScreenImage (null, g, width, height);
	}

	public void disable ()
	{
	setEnabled (false);
	}

	public void enable ()
	{
	setEnabled (true);
	}

	public ColorModel getColorModel ()
	{
	return ColorModel.getRGBdefault ();
	}

	public FontMetrics getFontMetrics (Font font)
	{
	return getToolkit().getFontMetrics(font);
	}

	public Graphics getGraphics ()
	{
	if (GtkToolkit.useGraphics2D ())
	return new GdkGraphics2D (this);
	else
	return new GdkGraphics (this);
	}

	public Point getLocationOnScreen ()
	{
	int point[] = new int[2];
	gtkWidgetGetLocationOnScreen (point);
	return new Point (point[0], point[1]);
	}

	public Dimension getMinimumSize ()
	{
	return minimumSize ();
	}

	public Dimension getPreferredSize ()
	{
	return preferredSize ();
	}

	public Toolkit getToolkit ()
	{
	return Toolkit.getDefaultToolkit();
	}

	public void handleEvent (AWTEvent event)
	{
	int id = event.getID();
	KeyEvent ke = null;

	switch (id)
	{
	case PaintEvent.PAINT:
	case PaintEvent.UPDATE:
	{
	try
	{
	Graphics g = getGraphics ();

	// Some peers like GtkFileDialogPeer are repainted by Gtk itself
	if (g == null)
	break;

	g.setClip (((PaintEvent) event).getUpdateRect());

	if (id == PaintEvent.PAINT)
	awtComponent.paint (g);
	else
	awtComponent.update (g);

	g.dispose ();
	}
	catch (InternalError e)
	{
	System.err.println (e);
	}
	}
	break;
	case KeyEvent.KEY_PRESSED:
	ke = (KeyEvent) event;
	gtkWidgetDispatchKeyEvent (ke.getID (), ke.getWhen (), ke.getModifiersEx (),
	ke.getKeyCode (), ke.getKeyLocation ());
	break;
	case KeyEvent.KEY_RELEASED:
	ke = (KeyEvent) event;
	gtkWidgetDispatchKeyEvent (ke.getID (), ke.getWhen (), ke.getModifiersEx (),
	ke.getKeyCode (), ke.getKeyLocation ());
	break;
	}
	}

	public boolean isFocusTraversable ()
	{
	return true;
	}

	public Dimension minimumSize ()
	{
	int dim[] = new int[2];

	gtkWidgetGetPreferredDimensions (dim);

	return new Dimension (dim[0], dim[1]);
	}

	public void paint (Graphics g)
	{
	}

	public Dimension preferredSize ()
	{
	int dim[] = new int[2];

	gtkWidgetGetPreferredDimensions (dim);

	return new Dimension (dim[0], dim[1]);
	}

	public boolean prepareImage (Image image, int width, int height,
	ImageObserver observer)
	{
	GtkImage i = (GtkImage) image;

	if (i.isLoaded ()) return true;

	class PrepareImage extends Thread
	{
	GtkImage image;
	ImageObserver observer;

	PrepareImage (GtkImage image, ImageObserver observer)
	{
	this.image = image;
	image.setObserver (observer);
	}

	public void run ()
	{
	image.source.startProduction (image);
	}
	}

	new PrepareImage (i, observer).start ();
	return false;
	}

	public void print (Graphics g)
	{
	throw new RuntimeException ();
	}

	public void repaint (long tm, int x, int y, int width, int height)
	{
	if (x == 0 && y == 0 && width == 0 && height == 0)
	return;

	q().postEvent (new PaintEvent (awtComponent, PaintEvent.UPDATE,
	new Rectangle (x, y, width, height)));
	}

	public void requestFocus ()
	{
	gtkWidgetRequestFocus();
	postFocusEvent(FocusEvent.FOCUS_GAINED, false);
	}

	public void reshape (int x, int y, int width, int height)
	{
	setBounds (x, y, width, height);
	}

	public void setBackground (Color c)
	{
	gtkWidgetSetBackground (c.getRed(), c.getGreen(), c.getBlue());
	}

	native void setNativeBounds (int x, int y, int width, int height);

	public void setBounds (int x, int y, int width, int height)
	{
	Component parent = awtComponent.getParent ();

	// Heavyweight components that are children of one or more
	// lightweight containers have to be handled specially. Because
	// calls to GLightweightPeer.setBounds do nothing, GTK has no
	// knowledge of the lightweight containers' positions. So we have
	// to add the offsets manually when placing a heavyweight
	// component within a lightweight container. The lightweight
	// container may itself be in a lightweight container and so on,
	// so we need to continue adding offsets until we reach a
	// container whose position GTK knows -- that is, the first
	// non-lightweight.
	boolean lightweightChild = false;
	Insets i;
	while (parent.isLightweight ())
	{
	lightweightChild = true;

	i = ((Container) parent).getInsets ();

	x += parent.getX () + i.left;
	y += parent.getY () + i.top;

	parent = parent.getParent ();
	}

	// We only need to convert from Java to GTK coordinates if we're
	// placing a heavyweight component in a Window.
	if (parent instanceof Window && !lightweightChild)
	{
	Insets insets = ((Window) parent).getInsets ();
	GtkWindowPeer peer = (GtkWindowPeer) parent.getPeer ();
	int menuBarHeight = 0;
	if (peer instanceof GtkFramePeer)
	menuBarHeight = ((GtkFramePeer) peer).getMenuBarHeight ();

	// Convert from Java coordinates to GTK coordinates.
	setNativeBounds (x - insets.left, y - insets.top + menuBarHeight,
	width, height);
	}
	else
	setNativeBounds (x, y, width, height);
	}

	void setCursor ()
	{
	setCursor (awtComponent.getCursor ());
	}

	public void setCursor (Cursor cursor)
	{
	gtkWidgetSetCursor (cursor.getType ());
	}

	public void setEnabled (boolean b)
	{
	gtkWidgetSetSensitive (b);
	}

	public void setFont (Font f)
	{
	// FIXME: This should really affect the widget tree below me.
	// Currently this is only handled if the call is made directly on
	// a text widget, which implements setFont() itself.
	gtkWidgetModifyFont(f.getName(), f.getStyle(), f.getSize());
	}

	public void setForeground (Color c)
	{
	gtkWidgetSetForeground (c.getRed(), c.getGreen(), c.getBlue());
	}

	public Color getForeground ()
	{
	int rgb[] = gtkWidgetGetForeground ();
	return new Color (rgb[0], rgb[1], rgb[2]);
	}

	public Color getBackground ()
	{
	int rgb[] = gtkWidgetGetBackground ();
	return new Color (rgb[0], rgb[1], rgb[2]);
	}

	public void setVisible (boolean b)
	{
	if (b)
	show ();
	else
	hide ();
	}

	public native void hide ();
	public native void show ();

	protected void postMouseEvent(int id, long when, int mods, int x, int y,
	int clickCount, boolean popupTrigger)
	{
	q().postEvent(new MouseEvent(awtComponent, id, when, mods, x, y,
	clickCount, popupTrigger));
	}

	protected void postExposeEvent (int x, int y, int width, int height)
	{
	if (!isInRepaint)
	q().postEvent (new PaintEvent (awtComponent, PaintEvent.PAINT,
	new Rectangle (x, y, width, height)));
	}

	protected void postKeyEvent (int id, long when, int mods,
	int keyCode, char keyChar, int keyLocation)
	{
	KeyEvent keyEvent = new KeyEvent (awtComponent, id, when, mods,
	keyCode, keyChar, keyLocation);

	// Also post a KEY_TYPED event if keyEvent is a key press that
	// doesn't represent an action or modifier key.
	if (keyEvent.getID () == KeyEvent.KEY_PRESSED
	&& (!keyEvent.isActionKey ()
	&& keyCode != KeyEvent.VK_SHIFT
	&& keyCode != KeyEvent.VK_CONTROL
	&& keyCode != KeyEvent.VK_ALT))
	{
	synchronized (q)
	{
	q().postEvent (keyEvent);
	q().postEvent (new KeyEvent (awtComponent, KeyEvent.KEY_TYPED, when, mods,
	KeyEvent.VK_UNDEFINED, keyChar, keyLocation));
	}
	}
	else
	q().postEvent (keyEvent);
	}

	protected void postFocusEvent (int id, boolean temporary)
	{
	q().postEvent (new FocusEvent (awtComponent, id, temporary));
	}

	protected void postItemEvent (Object item, int stateChange)
	{
	q().postEvent (new ItemEvent ((ItemSelectable)awtComponent,
	ItemEvent.ITEM_STATE_CHANGED,
	item, stateChange));
	}

	public GraphicsConfiguration getGraphicsConfiguration ()
	{
	// FIXME: just a stub for now.
	return null;
	}

	public void setEventMask (long mask)
	{
	// FIXME: just a stub for now.
	}

	public boolean isFocusable ()
	{
	return false;
	}

	public boolean requestFocus (Component source, boolean b1,
	boolean b2, long x)
	{
	return false;
	}

	public boolean isObscured ()
	{
	return false;
	}

	public boolean canDetermineObscurity ()
	{
	return false;
	}

	public void coalescePaintEvent (PaintEvent e)
	{

	}

	public void updateCursorImmediately ()
	{

	}

	public VolatileImage createVolatileImage (int width, int height)
	{
	return null;
	}

	public boolean handlesWheelScrolling ()
	{
	return false;
	}

	public void createBuffers (int x, BufferCapabilities capabilities)
	throws java.awt.AWTException

	{

	}

	public Image getBackBuffer ()
	{
	return null;
	}

	public void flip (BufferCapabilities.FlipContents contents)
	{

	}

	public void destroyBuffers ()
	{

	}
	}