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diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/awt/peer/swing/SwingCheckboxPeer.java b/gcc-4.4.3/libjava/classpath/gnu/java/awt/peer/swing/SwingCheckboxPeer.java
new file mode 100755
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+++ b/gcc-4.4.3/libjava/classpath/gnu/java/awt/peer/swing/SwingCheckboxPeer.java
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+/* SwingCheckboxPeer.java -- A Swing based peer for AWT checkboxes
+   Copyright (C)  2007  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., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 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.swing;
+
+import java.awt.Checkbox;
+import java.awt.CheckboxGroup;
+import java.awt.Container;
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.Point;
+import java.awt.event.FocusEvent;
+import java.awt.event.ItemEvent;
+import java.awt.event.ItemListener;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseEvent;
+import java.awt.peer.CheckboxPeer;
+
+import javax.swing.JCheckBox;
+import javax.swing.JComponent;
+import javax.swing.JToggleButton;
+
+/**
+ * A CheckboxPeer implementation that is backed by the Swing JCheckBox.
+ */
+public class SwingCheckboxPeer extends SwingComponentPeer implements
+        CheckboxPeer {
+
+  /**
+   * A spezialized Swing checkbox used to paint the checkbox for the
+   * AWT checkbox. 
+   */
+  private class SwingCheckbox
+    extends JCheckBox
+    implements SwingComponent
+  {
+    Checkbox checkbox;
+
+    SwingCheckbox(Checkbox checkbox)
+    {
+      this.checkbox = checkbox;
+    }
+
+    /**
+     * Returns this checkbox.
+     *
+     * @return <code>this</code>
+     */
+    public JComponent getJComponent()
+    {
+      return this;
+    }
+
+    /**
+     * Handles mouse events by forwarding it to
+     * <code>processMouseEvent()</code>.
+     *
+     * @param ev the mouse event
+     */
+    public void handleMouseEvent(MouseEvent ev)
+    {
+      ev.setSource(this);
+      processMouseEvent(ev);
+    }
+
+    /**
+     * Handles mouse motion events by forwarding it to
+     * <code>processMouseMotionEvent()</code>.
+     *
+     * @param ev the mouse motion event
+     */
+    public void handleMouseMotionEvent(MouseEvent ev)
+    {
+      ev.setSource(this);
+      processMouseMotionEvent(ev);
+    }
+
+    /**
+     * Handles key events by forwarding it to <code>processKeyEvent()</code>.
+     *
+     * @param ev the mouse event
+     */
+    public void handleKeyEvent(KeyEvent ev)
+    {
+      ev.setSource(this);
+      processKeyEvent(ev);
+    }
+
+    /**
+     * Handles focus events by forwarding it to
+     * <code>processFocusEvent()</code>.
+     *
+     * @param ev the Focus event
+     */
+    public void handleFocusEvent(FocusEvent ev)
+    {
+      processFocusEvent(ev);
+    }
+
+    /**
+     * Overridden so that this method returns the correct value even without a
+     * peer.
+     *
+     * @return the screen location of the button
+     */
+    public Point getLocationOnScreen()
+    {
+      return SwingCheckboxPeer.this.getLocationOnScreen();
+    }
+
+    /**
+     * Overridden so that the isShowing method returns the correct value
+     * for the swing button, even if it has no peer on its own.
+     *
+     * @return <code>true</code> if the button is currently showing,
+     *         <code>false</code> otherwise
+     */
+    public boolean isShowing()
+    {
+      boolean retVal = false;
+      if (checkbox != null)
+        retVal = checkbox.isShowing();
+      return retVal;
+    }
+
+    /**
+     * Overridden, so that the Swing button can create an Image without its
+     * own peer.
+     *
+     * @param w the width of the image
+     * @param h the height of the image
+     *
+     * @return an image
+     */
+    public Image createImage(int w, int h)
+    {
+      return SwingCheckboxPeer.this.createImage(w, h);
+    }
+
+    public Graphics getGraphics()
+    {
+      return SwingCheckboxPeer.this.getGraphics();
+    }
+
+    public Container getParent()
+    {
+      Container par = null;
+      if (checkbox != null)
+        par = checkbox.getParent();
+      return par;
+    }
+
+    public void requestFocus() {
+      SwingCheckboxPeer.this.requestFocus(awtComponent, false, true, 0);
+    }
+
+    public boolean requestFocus(boolean temporary) {
+      return SwingCheckboxPeer.this.requestFocus(awtComponent, temporary,
+                                                 true, 0);
+    }
+  }
+
+  /**
+   * Listens for ActionEvents on the Swing button and triggers corresponding
+   * ActionEvents on the AWT button.
+   */
+  class SwingCheckboxListener implements ItemListener
+  {
+    Checkbox awtCheckbox;
+
+    SwingCheckboxListener(Checkbox checkbox)
+    {
+      awtCheckbox = checkbox;
+    }
+
+    /**
+     * Receives notification when an action was performend on the button.
+     *
+     * @param event the action event
+     */ 
+    public void itemStateChanged(ItemEvent event)
+    {
+      awtCheckbox.setState(event.getStateChange()==ItemEvent.SELECTED);
+      ItemListener[] l = awtCheckbox.getItemListeners();
+      if (l.length == 0)
+        return;
+      ItemEvent ev = new ItemEvent(awtCheckbox, ItemEvent.ITEM_STATE_CHANGED,
+                                   awtCheckbox, event.getStateChange());
+      for (int i = 0; i < l.length; ++i)
+        l[i].itemStateChanged(ev);
+    }
+  }
+    
+  /**
+   * Creates a new SwingCheckboxPeer instance.
+   */
+  public SwingCheckboxPeer(Checkbox checkbox)
+  {
+    SwingCheckbox swingCheckbox = new SwingCheckbox(checkbox);
+    swingCheckbox.addItemListener(new SwingCheckboxListener(checkbox));
+
+    init(checkbox, swingCheckbox);
+    setLabel(checkbox.getLabel());
+    setState(checkbox.getState());
+  }
+
+  public void setCheckboxGroup(CheckboxGroup group)
+  {
+    // TODO: Implement this.
+  }
+
+  public void setLabel(String label)
+  {
+    ((JToggleButton) swingComponent).setText(label);
+  }
+
+  public void setState(boolean state)
+  {
+    ((JToggleButton) swingComponent).setSelected(state);
+  }
+
+}