componentlistener.java

来自「This is a resource based on j2me embedde」· Java 代码 · 共 60 行

/*
 * @(#)ComponentListener.java	1.15 06/10/10
 *
 * Copyright  1990-2008 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 only, as published by the Free Software Foundation. 
 * 
 * This program 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 version 2 for more details (a copy is
 * included at /legal/license.txt). 
 * 
 * You should have received a copy of the GNU General Public License
 * version 2 along with this work; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA 
 * 
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions. 
 *
 */

package java.awt.event;

import java.util.EventListener;

/**
 * The listener interface for receiving component events.
 * Component events are provided for notification purposes ONLY;
 * The AWT will automatically handle component moves and resizes
 * internally so that GUI layout works properly regardless of
 * whether a program registers a ComponentListener or not.
 *
 * @version 1.11 08/19/02
 * @author Carl Quinn
 */
public interface ComponentListener extends EventListener {
    /**
     * Invoked when component has been resized.
     */
    public void componentResized(ComponentEvent e);
    /**
     * Invoked when component has been moved.
     */    
    public void componentMoved(ComponentEvent e);
    /**
     * Invoked when component has been shown.
     */
    public void componentShown(ComponentEvent e);
    /**
     * Invoked when component has been hidden.
     */
    public void componentHidden(ComponentEvent e);
}