1 /* 2 * Copyright (c) 2003, 2015, 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.AWTException; 29 import java.awt.Component; 30 import java.awt.Container; 31 import java.awt.Rectangle; 32 import java.awt.im.spi.InputMethodContext; 33 import java.awt.peer.ComponentPeer; 34 35 import sun.awt.AWTAccessor; 36 import sun.awt.X11InputMethod; 37 38 import sun.util.logging.PlatformLogger; 39 40 /** 41 * Input Method Adapter for XIM (without Motif) 42 * 43 * @author JavaSoft International 44 */ 45 public class XInputMethod extends X11InputMethod { 46 private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XInputMethod"); 47 48 public XInputMethod() throws AWTException { 49 super(); 50 } 51 52 public void setInputMethodContext(InputMethodContext context) { 53 context.enableClientWindowNotification(this, true); 54 } 55 56 public void notifyClientWindowChange(Rectangle location) { 57 XComponentPeer peer = (XComponentPeer)getPeer(clientComponentWindow); 58 if (peer != null) { 59 adjustStatusWindow(peer.getContentWindow()); 60 } 61 } 62 63 protected boolean openXIM() { 64 return openXIMNative(XToolkit.getDisplay()); 65 } 66 67 protected boolean createXIC() { 68 XComponentPeer peer = (XComponentPeer)getPeer(clientComponentWindow); 69 if (peer == null) { 70 return false; 71 } 72 return createXICNative(peer.getContentWindow()); 73 } 74 75 76 private static volatile long xicFocus = 0; 77 78 protected void setXICFocus(ComponentPeer peer, 79 boolean value, boolean active) { 80 if (peer == null) { 81 return; 82 } 83 xicFocus = ((XComponentPeer)peer).getContentWindow(); 84 setXICFocusNative(((XComponentPeer)peer).getContentWindow(), 85 value, 86 active); 87 } 88 89 public static long getXICFocus() { 90 return xicFocus; 91 } 92 93 /* XAWT_HACK FIX ME! 94 do NOT call client code! 95 */ 96 protected Container getParent(Component client) { 97 return client.getParent(); 98 } 99 100 /** 101 * Returns peer of the given client component. If the given client component 102 * doesn't have peer, peer of the native container of the client is returned. 103 */ 104 protected ComponentPeer getPeer(Component client) { 105 XComponentPeer peer; 106 107 if (log.isLoggable(PlatformLogger.Level.FINE)) { 108 log.fine("Client is " + client); 109 } 110 peer = (XComponentPeer)XToolkit.targetToPeer(client); 111 while (client != null && peer == null) { 112 client = getParent(client); 113 peer = (XComponentPeer)XToolkit.targetToPeer(client); 114 } 115 if (log.isLoggable(PlatformLogger.Level.FINE)) { 116 log.fine("Peer is {0}, client is {1}", peer, client); 117 } 118 119 if (peer != null) 120 return peer; 121 122 return null; 123 } 124 125 /* 126 * Subclasses should override disposeImpl() instead of dispose(). Client 127 * code should always invoke dispose(), never disposeImpl(). 128 */ 129 protected synchronized void disposeImpl() { 130 super.disposeImpl(); 131 clientComponentWindow = null; 132 } 133 134 protected void awtLock() { 135 XToolkit.awtLock(); 136 } 137 138 protected void awtUnlock() { 139 XToolkit.awtUnlock(); 140 } 141 142 long getCurrentParentWindow() { 143 XWindow peer = AWTAccessor.getComponentAccessor() 144 .getPeer(clientComponentWindow); 145 return peer.getContentWindow(); 146 } 147 148 /* 149 * Native methods 150 */ 151 private native boolean openXIMNative(long display); 152 private native boolean createXICNative(long window); 153 private native void setXICFocusNative(long window, 154 boolean value, boolean active); 155 private native void adjustStatusWindow(long window); 156 }