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 sun.util.logging.PlatformLogger;
35
36 class WMenuItemPeer extends WObjectPeer implements MenuItemPeer {
37 private static final PlatformLogger log = PlatformLogger.getLogger("sun.awt.WMenuItemPeer");
38
39 static {
40 initIDs();
41 }
42
43 String shortcutLabel;
44 //WMenuBarPeer extends WMenuPeer
45 //so parent is always instanceof WMenuPeer
46 protected WMenuPeer parent;
47
48 // MenuItemPeer implementation
49
50 private synchronized native void _dispose();
51 protected void disposeImpl() {
52 WToolkit.targetDisposedPeer(target, this);
53 _dispose();
54 }
55
56 public void setEnabled(boolean b) {
57 enable(b);
58 }
59
60 /**
61 * DEPRECATED: Replaced by setEnabled(boolean).
62 */
63 public void enable() {
64 enable(true);
65 }
66
67 /**
68 * DEPRECATED: Replaced by setEnabled(boolean).
69 */
70 public void disable() {
71 enable(false);
72 }
73
74 public void readShortcutLabel() {
75 //Fix for 6288578: PIT. Windows: Shortcuts displayed for the menuitems in a popup menu
76 WMenuPeer ancestor = parent;
77 while (ancestor != null && !(ancestor instanceof WMenuBarPeer)) {
78 ancestor = ancestor.parent;
79 }
80 if (ancestor instanceof WMenuBarPeer) {
81 MenuShortcut sc = ((MenuItem)target).getShortcut();
82 shortcutLabel = (sc != null) ? sc.toString() : null;
83 } else {
84 shortcutLabel = null;
85 }
86 }
87
88 public void setLabel(String label) {
89 //Fix for 6288578: PIT. Windows: Shortcuts displayed for the menuitems in a popup menu
90 readShortcutLabel();
91 _setLabel(label);
92 }
93 public native void _setLabel(String label);
94
95 // Toolkit & peer internals
96
97 private final boolean isCheckbox;
98
99 protected WMenuItemPeer() {
100 isCheckbox = false;
101 }
102 WMenuItemPeer(MenuItem target) {
103 this(target, false);
104 }
105
106 WMenuItemPeer(MenuItem target, boolean isCheckbox) {
107 this.target = target;
108 this.parent = (WMenuPeer) WToolkit.targetToPeer(target.getParent());
109 this.isCheckbox = isCheckbox;
110 create(parent);
111 // fix for 5088782: check if menu object is created successfully
112 checkMenuCreation();
113 //Fix for 6288578: PIT. Windows: Shortcuts displayed for the menuitems in a popup menu
114 readShortcutLabel();
115 }
116
117 protected void checkMenuCreation()
118 {
119 // fix for 5088782: check if menu peer is created successfully
120 if (pData == 0)
121 {
122 if (createError != null)
123 {
124 throw createError;
125 }
126 else
127 {
128 throw new InternalError("couldn't create menu peer");
129 }
130 }
131
132 }
133
134 /*
135 * Post an event. Queue it for execution by the callback thread.
136 */
137 void postEvent(AWTEvent event) {
138 WToolkit.postEvent(WToolkit.targetToAppContext(target), event);
139 }
140
141 native void create(WMenuPeer parent);
142
143 native void enable(boolean e);
144
145 // native callbacks
146
147 void handleAction(final long when, final int modifiers) {
148 WToolkit.executeOnEventHandlerThread(target, new Runnable() {
149 public void run() {
150 postEvent(new ActionEvent(target, ActionEvent.ACTION_PERFORMED,
151 ((MenuItem)target).
152 getActionCommand(), when,
153 modifiers));
154 }
155 });
156 }
157
158 private static Font defaultMenuFont;
159
160 static {
161 defaultMenuFont = AccessController.doPrivileged(
162 new PrivilegedAction <Font> () {
163 public Font run() {
164 try {
165 ResourceBundle rb = ResourceBundle.getBundle("sun.awt.windows.awtLocalization");
166 return Font.decode(rb.getString("menuFont"));
167 } catch (MissingResourceException e) {
168 if (log.isLoggable(PlatformLogger.FINE)) {
169 log.fine("WMenuItemPeer: " + e.getMessage()+". Using default MenuItem font.", e);
170 }
171 return new Font("SanSerif", Font.PLAIN, 11);
172 }
173 }
174 });
175 }
176
177 static Font getDefaultFont() {
178 return defaultMenuFont;
179 }
180
181 /**
182 * Initialize JNI field and method IDs
183 */
184 private static native void initIDs();
185
186 private native void _setFont(Font f);
187
188 public void setFont(final Font f) {
189 _setFont(f);
190 }
191 }