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/*************************************************************************
*
* $RCSfile: KeyHandler.java,v $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards this License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards this License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* this License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
package org.openoffice.accessibility;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.awt.XKeyHandler;
import org.openoffice.java.accessibility.AccessibleKeyBinding;
import org.openoffice.java.accessibility.Build;
import java.awt.*;
import java.awt.event.KeyEvent;
import javax.accessibility.*;
public class KeyHandler extends Component implements XKeyHandler, java.awt.KeyEventDispatcher {
EventQueue eventQueue;
public class VCLKeyEvent extends KeyEvent implements Runnable {
boolean consumed = true;
public VCLKeyEvent(Component c, int id, int modifiers, int keyCode, char keyChar) {
super(c, id, System.currentTimeMillis(), modifiers, keyCode, keyChar);
}
public void run() {
// This is a no-op ..
}
public void setConsumed(boolean b) {
consumed = b;
}
public boolean isConsumed() {
return consumed;
}
}
public KeyHandler() {
eventQueue = Toolkit.getDefaultToolkit().getSystemEventQueue();
java.awt.KeyboardFocusManager.getCurrentKeyboardFocusManager().addKeyEventDispatcher(this);
}
/** This method is called by the current KeyboardFocusManager requesting that this KeyEventDispatcher
* dispatch the specified event on its behalf
*/
public boolean dispatchKeyEvent(java.awt.event.KeyEvent e) {
if (e instanceof VCLKeyEvent) {
VCLKeyEvent event = (VCLKeyEvent) e;
event.setConsumed(false);
return true;
}
return false;
}
/** Handler for KeyPressed events */
public boolean keyPressed(com.sun.star.awt.KeyEvent event) {
// try {
VCLKeyEvent vke = new VCLKeyEvent(this, KeyEvent.KEY_PRESSED,
AccessibleKeyBinding.convertModifiers(event.Modifiers),
AccessibleKeyBinding.convertKeyCode(event.KeyCode),
event.KeyChar != 0 ? event.KeyChar : KeyEvent.CHAR_UNDEFINED);
eventQueue.postEvent(vke);
// Synthesize KEY_TYPED event to emulate Java behavior
if (event.KeyChar != 0) {
eventQueue.postEvent(new VCLKeyEvent(this,
KeyEvent.KEY_TYPED,
AccessibleKeyBinding.convertModifiers(event.Modifiers),
KeyEvent.VK_UNDEFINED,
event.KeyChar));
}
// Wait until the key event is processed
return false;
// eventQueue.invokeAndWait(vke);
// return vke.isConsumed();
// } catch(java.lang.InterruptedException e) {
// return false;
// } catch(java.lang.reflect.InvocationTargetException e) {
// return false;
// }
}
/** Handler for KeyReleased events */
public boolean keyReleased(com.sun.star.awt.KeyEvent event) {
// try {
VCLKeyEvent vke = new VCLKeyEvent(this, KeyEvent.KEY_RELEASED,
AccessibleKeyBinding.convertModifiers(event.Modifiers),
AccessibleKeyBinding.convertKeyCode(event.KeyCode),
event.KeyChar != 0 ? event.KeyChar : KeyEvent.CHAR_UNDEFINED);
eventQueue.postEvent(vke);
// Wait until the key event is processed
return false;
// eventQueue.invokeAndWait(vke);
// return vke.isConsumed();
// } catch(java.lang.InterruptedException e) {
// return false;
// } catch(java.lang.reflect.InvocationTargetException e) {
// return false;
// }
}
public void disposing(com.sun.star.lang.EventObject event) {
java.awt.KeyboardFocusManager.getCurrentKeyboardFocusManager().removeKeyEventDispatcher(this);
}
};
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