1 /*
2 * Copyright (c) 1996, 2007, 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 package sun.awt.windows;
26
27 import java.util.ResourceBundle;
28 import java.util.MissingResourceException;
29 import java.awt.*;
30 import java.awt.peer.*;
31 import java.awt.event.ActionEvent;
32 import java.security.AccessController;
33 import java.security.PrivilegedAction;
34 import java.util.logging.Logger;
35 import java.util.logging.Level;
36
37 class WMenuItemPeer extends WObjectPeer implements MenuItemPeer {
38 private static final Logger log = Logger.getLogger("sun.awt.WMenuItemPeer");
39
40 static {
41 initIDs();
42 }
43
44 String shortcutLabel;
45 //WMenuBarPeer extends WMenuPeer
46 //so parent is always instanceof WMenuPeer
47 protected WMenuPeer parent;
48
49 // MenuItemPeer implementation
50
51 private synchronized native void _dispose();
52 protected void disposeImpl() {
53 WToolkit.targetDisposedPeer(target, this);
54 _dispose();
55 }
56
57 public void setEnabled(boolean b) {
58 enable(b);
59 }
60
61 /**
62 * DEPRECATED: Replaced by setEnabled(boolean).
63 */
64 public void enable() {
65 enable(true);
66 }
67
68 /**
69 * DEPRECATED: Replaced by setEnabled(boolean).
70 */
71 public void disable() {
72 enable(false);
73 }
74
75 public void readShortcutLabel() {
76 //Fix for 6288578: PIT. Windows: Shortcuts displayed for the menuitems in a popup menu
77 WMenuPeer ancestor = parent;
78 while (ancestor != null && !(ancestor instanceof WMenuBarPeer)) {
79 ancestor = ancestor.parent;
80 }
81 if (ancestor instanceof WMenuBarPeer) {
82 MenuShortcut sc = ((MenuItem)target).getShortcut();
83 shortcutLabel = (sc != null) ? sc.toString() : null;
84 } else {
85 shortcutLabel = null;
86 }
87 }
88
89 public void setLabel(String label) {
90 //Fix for 6288578: PIT. Windows: Shortcuts displayed for the menuitems in a popup menu
91 readShortcutLabel();
92 _setLabel(label);
93 }
94 public native void _setLabel(String label);
95
96 // Toolkit & peer internals
97
98 private final boolean isCheckbox;
99
100 protected WMenuItemPeer() {
101 isCheckbox = false;
102 }
103 WMenuItemPeer(MenuItem target) {
104 this(target, false);
105 }
106
107 WMenuItemPeer(MenuItem target, boolean isCheckbox) {
108 this.target = target;
109 this.parent = (WMenuPeer) WToolkit.targetToPeer(target.getParent());
110 this.isCheckbox = isCheckbox;
111 create(parent);
112 // fix for 5088782: check if menu object is created successfully
113 checkMenuCreation();
114 //Fix for 6288578: PIT. Windows: Shortcuts displayed for the menuitems in a popup menu
115 readShortcutLabel();
116 }
117
118 protected void checkMenuCreation()
119 {
120 // fix for 5088782: check if menu peer is created successfully
121 if (pData == 0)
122 {
123 if (createError != null)
124 {
125 throw createError;
126 }
127 else
128 {
129 throw new InternalError("couldn't create menu peer");
130 }
131 }
132
133 }
134
135 /*
136 * Post an event. Queue it for execution by the callback thread.
137 */
138 void postEvent(AWTEvent event) {
139 WToolkit.postEvent(WToolkit.targetToAppContext(target), event);
140 }
141
142 native void create(WMenuPeer parent);
143
144 native void enable(boolean e);
145
146 // native callbacks
147
148 void handleAction(final long when, final int modifiers) {
149 WToolkit.executeOnEventHandlerThread(target, new Runnable() {
150 public void run() {
151 postEvent(new ActionEvent(target, ActionEvent.ACTION_PERFORMED,
152 ((MenuItem)target).
153 getActionCommand(), when,
154 modifiers));
155 }
156 });
157 }
158
159 private static Font defaultMenuFont;
160
161 static {
162 defaultMenuFont = (Font) AccessController.doPrivileged(
163 new PrivilegedAction() {
164 public Object run() {
165 try {
166 ResourceBundle rb = ResourceBundle.getBundle("sun.awt.windows.awtLocalization");
167 return Font.decode(rb.getString("menuFont"));
168 } catch (MissingResourceException e) {
169 if (log.isLoggable(Level.FINE)) {
170 log.log(Level.FINE, "WMenuItemPeer: " + e.getMessage()+". Using default MenuItem font.", e);
171 }
172 return new Font("SanSerif", Font.PLAIN, 11);
173 }
174 }
175 });
176 }
177
178 static Font getDefaultFont() {
179 return defaultMenuFont;
180 }
181
182 /**
183 * Initialize JNI field and method IDs
184 */
185 private static native void initIDs();
186
187 // Needed for MenuComponentPeer.
188 public void setFont(Font f) {
189 }
190 }