1 /* 2 * Copyright (c) 2003, 2008, 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.X11; 27 28 import java.awt.*; 29 30 /** 31 * This class represent focus holder window implementation. When toplevel requests or receives focus 32 * it instead sets focus to this proxy. This proxy is mapped but invisible(it is kept at (-1,-1)) 33 * and therefore X doesn't control focus after we have set it to proxy. 34 */ 35 public class XFocusProxyWindow extends XBaseWindow { 36 XWindowPeer owner; 37 XFocusProxyWindow(XWindowPeer owner)38 public XFocusProxyWindow(XWindowPeer owner) { 39 super(new XCreateWindowParams(new Object[] { 40 BOUNDS, new Rectangle(-1, -1, 1, 1), 41 PARENT_WINDOW, new Long(owner.getWindow()), 42 EVENT_MASK, new Long(XConstants.FocusChangeMask | XConstants.KeyPressMask | XConstants.KeyReleaseMask) 43 })); 44 this.owner = owner; 45 } 46 postInit(XCreateWindowParams params)47 public void postInit(XCreateWindowParams params){ 48 super.postInit(params); 49 setWMClass(getWMClass()); 50 xSetVisible(true); 51 } 52 getWMName()53 protected String getWMName() { 54 return "FocusProxy"; 55 } getWMClass()56 protected String[] getWMClass() { 57 return new String[] {"Focus-Proxy-Window", "FocusProxy"}; 58 } 59 getOwner()60 public XWindowPeer getOwner() { 61 return owner; 62 } 63 dispatchEvent(XEvent ev)64 public void dispatchEvent(XEvent ev) { 65 int type = ev.get_type(); 66 switch (type) 67 { 68 case XConstants.FocusIn: 69 case XConstants.FocusOut: 70 handleFocusEvent(ev); 71 break; 72 } 73 super.dispatchEvent(ev); 74 } 75 handleFocusEvent(XEvent xev)76 public void handleFocusEvent(XEvent xev) { 77 owner.handleFocusEvent(xev); 78 } 79 handleKeyPress(XEvent xev)80 public void handleKeyPress(XEvent xev) { 81 owner.handleKeyPress(xev); 82 } 83 handleKeyRelease(XEvent xev)84 public void handleKeyRelease(XEvent xev) { 85 owner.handleKeyRelease(xev); 86 } 87 } 88