/* class WindowEvent
*
* Copyright (C) 2001 R M Pitman
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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
*/
package charva.awt.event;
import charva.awt.Window;
/**
* A low-level event which indicates that a Window has changed its status.
* This event is generated by a Window when it is opened or closed.
* TODO: Implement WINDOW_OPENED events (are they necessary?).
*
* The event is passed to each WindowListener object that is registered to
* receive such events using the window's addWindowListener method.
*/
public class WindowEvent extends AWTEvent
{
private static final long serialVersionUID = 1L;
public WindowEvent(Window source_, int id_) {
super(source_, id_);
/* Only two valid ID's at this stage...
*/
if (id_ != AWTEvent.WINDOW_CLOSING &&
id_ != AWTEvent.WINDOW_OPENED) {
throw new IllegalArgumentException(
"Invalid WindowEvent type");
}
}
/**
* Returns the Window that is changing its state.
*/
public Window getWindow() { return (Window) getSource(); }
}