001 /* ComponentListener.java -- receive all events for a component 002 Copyright (C) 1999, 2002, 2005 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package java.awt.event; 040 041 import java.util.EventListener; 042 043 /** 044 * This interface is for classes that receive all events from a component. 045 * Normally it is not necessary to process these events since the AWT 046 * handles them internally, taking all appropriate actions. To watch a subset 047 * of these events, use a ComponentAdapter. 048 * 049 * @author Aaron M. Renn (arenn@urbanophile.com) 050 * @see ComponentAdapter 051 * @see ComponentEvent 052 * @since 1.1 053 * @status updated to 1.4 054 */ 055 public interface ComponentListener extends EventListener 056 { 057 /** 058 * This method is called when the component is resized. 059 * 060 * @param event the <code>ComponentEvent</code> indicating the resize 061 */ 062 void componentResized(ComponentEvent event); 063 064 /** 065 * This method is called when the component is moved. 066 * 067 * @param event the <code>ComponentEvent</code> indicating the move 068 */ 069 void componentMoved(ComponentEvent event); 070 071 /** 072 * This method is called when the component is made visible. 073 * 074 * @param event the <code>ComponentEvent</code> indicating the visibility 075 */ 076 void componentShown(ComponentEvent event); 077 078 /** 079 * This method is called when the component is hidden. 080 * 081 * @param event the <code>ComponentEvent</code> indicating the visibility 082 */ 083 void componentHidden(ComponentEvent event); 084 } // interface ComponentListener