1 /* ComponentListener.java -- receive all events for a component 2 Copyright (C) 1999, 2002, 2005 Free Software Foundation, Inc. 3 4 This file is part of GNU Classpath. 5 6 GNU Classpath is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2, or (at your option) 9 any later version. 10 11 GNU Classpath is distributed in the hope that it will be useful, but 12 WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with GNU Classpath; see the file COPYING. If not, write to the 18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19 02110-1301 USA. 20 21 Linking this library statically or dynamically with other modules is 22 making a combined work based on this library. Thus, the terms and 23 conditions of the GNU General Public License cover the whole 24 combination. 25 26 As a special exception, the copyright holders of this library give you 27 permission to link this library with independent modules to produce an 28 executable, regardless of the license terms of these independent 29 modules, and to copy and distribute the resulting executable under 30 terms of your choice, provided that you also meet, for each linked 31 independent module, the terms and conditions of the license of that 32 module. An independent module is a module which is not derived from 33 or based on this library. If you modify this library, you may extend 34 this exception to your version of the library, but you are not 35 obligated to do so. If you do not wish to do so, delete this 36 exception statement from your version. */ 37 38 39 package java.awt.event; 40 41 import java.util.EventListener; 42 43 /** 44 * This interface is for classes that receive all events from a component. 45 * Normally it is not necessary to process these events since the AWT 46 * handles them internally, taking all appropriate actions. To watch a subset 47 * of these events, use a ComponentAdapter. 48 * 49 * @author Aaron M. Renn (arenn@urbanophile.com) 50 * @see ComponentAdapter 51 * @see ComponentEvent 52 * @since 1.1 53 * @status updated to 1.4 54 */ 55 public interface ComponentListener extends EventListener 56 { 57 /** 58 * This method is called when the component is resized. 59 * 60 * @param event the <code>ComponentEvent</code> indicating the resize 61 */ componentResized(ComponentEvent event)62 void componentResized(ComponentEvent event); 63 64 /** 65 * This method is called when the component is moved. 66 * 67 * @param event the <code>ComponentEvent</code> indicating the move 68 */ componentMoved(ComponentEvent event)69 void componentMoved(ComponentEvent event); 70 71 /** 72 * This method is called when the component is made visible. 73 * 74 * @param event the <code>ComponentEvent</code> indicating the visibility 75 */ componentShown(ComponentEvent event)76 void componentShown(ComponentEvent event); 77 78 /** 79 * This method is called when the component is hidden. 80 * 81 * @param event the <code>ComponentEvent</code> indicating the visibility 82 */ componentHidden(ComponentEvent event)83 void componentHidden(ComponentEvent event); 84 } // interface ComponentListener 85