157 lines
4.6 KiB
Java
157 lines
4.6 KiB
Java
/* WindowAdapter.java -- convenience class for writing window listeners
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Copyright (C) 1999, 2002 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt.event;
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/**
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* This class implements <code>WindowListener</code>,
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* <code>WindowStateListener</code>, and <code>WindowFocusListener</code>, and
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* implements all methods with empty bodies. This allows a listener
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* interested in listening to only a subset of any <code>WindowEvent</code>
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* actions to extend this class and override only the desired methods.
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*
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* @author Aaron M. Renn <arenn@urbanophile.com>
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* @see ComponentEvent
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* @see ComponentListener
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* @since 1.1
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* @status updated to 1.4
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*/
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public abstract class WindowAdapter
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implements WindowListener, WindowStateListener, WindowFocusListener
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{
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/**
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* Do nothing default constructor for subclasses.
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*/
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public WindowAdapter()
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{
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}
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/**
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* Implements this method from the interface with an empty method body.
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*
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* @param event the event, ignored in this implementation
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*/
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public void windowOpened(WindowEvent event)
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{
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}
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/**
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* Implements this method from the interface with an empty method body.
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*
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* @param event the event, ignored in this implementation
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*/
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public void windowClosing(WindowEvent event)
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{
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}
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/**
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* Implements this method from the interface with an empty method body.
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*
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* @param event the event, ignored in this implementation
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*/
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public void windowClosed(WindowEvent event)
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{
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}
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/**
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* Implements this method from the interface with an empty method body.
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*
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* @param event the event, ignored in this implementation
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*/
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public void windowIconified(WindowEvent event)
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{
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}
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/**
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* Implements this method from the interface with an empty method body.
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*
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* @param event the event, ignored in this implementation
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*/
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public void windowDeiconified(WindowEvent event)
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{
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}
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/**
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* Implements this method from the interface with an empty method body.
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*
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* @param event the event, ignored in this implementation
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*/
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public void windowActivated(WindowEvent event)
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{
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}
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/**
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* Implements this method from the interface with an empty method body.
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*
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* @param event the event, ignored in this implementation
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*/
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public void windowDeactivated(WindowEvent event)
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{
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}
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/**
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* Implements this method from the interface with an empty method body.
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*
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* @param event the event, ignored in this implementation
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* @since 1.4
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*/
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public void windowStateChanged(WindowEvent event)
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{
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}
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/**
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* Implements this method from the interface with an empty method body.
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*
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* @param event the event, ignored in this implementation
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* @since 1.4
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*/
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public void windowGainedFocus(WindowEvent event)
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{
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}
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/**
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* Implements this method from the interface with an empty method body.
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*
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* @param event the event, ignored in this implementation
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* @since 1.4
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*/
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public void windowLostFocus(WindowEvent event)
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{
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}
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} // class WindowAdapter
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