1 /* 2 * Copyright (c) 2000, 2001, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.awt; 27 28 import java.util.EventListener; 29 30 /** 31 * The listener interface for receiving display change events. 32 * The class that is interested in processing a display change event 33 * implements this interface (and all the methods it 34 * contains). 35 * 36 * For Motif, this interface is only used for dragging windows between Xinerama 37 * screens. 38 * 39 * For win32, the listener object created from that class is then registered 40 * with the WToolkit object using its <code>addDisplayChangeListener</code> 41 * method. When the display resolution is changed (which occurs, 42 * in Windows, either by the user changing the properties of the 43 * display through the control panel or other utility or by 44 * some other application which has gotten fullscreen-exclusive 45 * control of the display), the listener is notified through its 46 * displayChanged() or paletteChanged() methods. 47 * 48 * @author Chet Haase 49 * @author Brent Christian 50 * @since 1.4 51 */ 52 public interface DisplayChangedListener extends EventListener { 53 /** 54 * Invoked when the display mode has changed. 55 */ 56 public void displayChanged(); 57 58 /** 59 * Invoked when the palette has changed. 60 */ 61 public void paletteChanged(); 62 63 }