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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).
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17  * You should have received a copy of the GNU General Public License version
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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 
XInputMethod()48     public XInputMethod() throws AWTException {
49         super();
50     }
51 
setInputMethodContext(InputMethodContext context)52     public void setInputMethodContext(InputMethodContext context) {
53         context.enableClientWindowNotification(this, true);
54     }
55 
notifyClientWindowChange(Rectangle location)56     public void notifyClientWindowChange(Rectangle location) {
57         XComponentPeer peer = (XComponentPeer)getPeer(clientComponentWindow);
58         if (peer != null) {
59             adjustStatusWindow(peer.getContentWindow());
60         }
61     }
62 
openXIM()63     protected boolean openXIM() {
64         return openXIMNative(XToolkit.getDisplay());
65     }
66 
createXIC()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 
setXICFocus(ComponentPeer peer, boolean value, boolean active)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 
getXICFocus()89     public static long getXICFocus() {
90         return xicFocus;
91     }
92 
93 /* XAWT_HACK  FIX ME!
94    do NOT call client code!
95 */
getParent(Component client)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      */
getPeer(Component client)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      */
disposeImpl()129     protected synchronized void disposeImpl() {
130         super.disposeImpl();
131         clientComponentWindow = null;
132     }
133 
awtLock()134     protected void awtLock() {
135         XToolkit.awtLock();
136     }
137 
awtUnlock()138     protected void awtUnlock() {
139         XToolkit.awtUnlock();
140     }
141 
getCurrentParentWindow()142     long getCurrentParentWindow() {
143         XWindow peer = AWTAccessor.getComponentAccessor()
144                                   .getPeer(clientComponentWindow);
145         return peer.getContentWindow();
146     }
147 
148     /*
149      * Native methods
150      */
openXIMNative(long display)151     private native boolean openXIMNative(long display);
createXICNative(long window)152     private native boolean createXICNative(long window);
setXICFocusNative(long window, boolean value, boolean active)153     private native void setXICFocusNative(long window,
154                                     boolean value, boolean active);
adjustStatusWindow(long window)155     private native void adjustStatusWindow(long window);
156 }
157