1/*
2 * Copyright (c) 2002, 2013, 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 */
25package sun.awt.X11;
26
27import java.awt.*;
28import java.awt.peer.*;
29
30import java.util.Vector;
31import sun.util.logging.PlatformLogger;
32import sun.awt.AWTAccessor;
33
34public class XMenuPeer extends XMenuItemPeer implements MenuPeer {
35
36    /************************************************
37     *
38     * Data members
39     *
40     ************************************************/
41    private static PlatformLogger log = PlatformLogger.getLogger("sun.awt.X11.XMenuPeer");
42
43    /**
44     * Window that correspond to this menu
45     */
46    XMenuWindow menuWindow;
47
48    /************************************************
49     *
50     * Construction
51     *
52     ************************************************/
53    XMenuPeer(Menu target) {
54        super(target);
55    }
56
57    /**
58     * This function is called when menu is bound
59     * to its container window. Creates submenu window
60     * that fills its items vector while construction
61     */
62    void setContainer(XBaseMenuWindow container) {
63        super.setContainer(container);
64        menuWindow = new XMenuWindow(this);
65    }
66
67
68    /************************************************
69     *
70     * Implementaion of interface methods
71     *
72     ************************************************/
73
74    /*
75     * From MenuComponentPeer
76     */
77
78    /**
79     * Disposes menu window if needed
80     */
81    public void dispose() {
82        if (menuWindow != null) {
83            menuWindow.dispose();
84        }
85        super.dispose();
86    }
87
88    /**
89     * Resets text metrics for this item, for its menu window
90     * and for all descendant menu windows
91     */
92    public void setFont(Font font) {
93        //TODO:We can decrease count of repaints here
94        //and get rid of recursion
95        resetTextMetrics();
96
97        XMenuWindow menuWindow = getMenuWindow();
98        if (menuWindow != null) {
99            menuWindow.setItemsFont(font);
100        }
101
102        repaintIfShowing();
103    }
104
105    /*
106     * From MenuPeer
107     */
108    /**
109     * addSeparator routines are not used
110     * in peers. Shared code invokes addItem("-")
111     * for adding separators
112     */
113    public void addSeparator() {
114        if (log.isLoggable(PlatformLogger.Level.FINER)) {
115            log.finer("addSeparator is not implemented");
116        }
117    }
118
119    public void addItem(MenuItem item) {
120        XMenuWindow menuWindow = getMenuWindow();
121        if (menuWindow != null) {
122            menuWindow.addItem(item);
123        } else {
124            if (log.isLoggable(PlatformLogger.Level.FINE)) {
125                log.fine("Attempt to use XMenuWindowPeer without window");
126            }
127        }
128    }
129
130    public void delItem(int index) {
131        XMenuWindow menuWindow = getMenuWindow();
132        if (menuWindow != null) {
133            menuWindow.delItem(index);
134        } else {
135            if (log.isLoggable(PlatformLogger.Level.FINE)) {
136                log.fine("Attempt to use XMenuWindowPeer without window");
137            }
138        }
139    }
140
141    /************************************************
142     *
143     * Access to target's fields
144     *
145     ************************************************/
146    Vector<MenuItem> getTargetItems() {
147        return AWTAccessor.getMenuAccessor().getItems((Menu)getTarget());
148    }
149
150    /************************************************
151     *
152     * Overriden behaviour
153     *
154     ************************************************/
155    boolean isSeparator() {
156        return false;
157    }
158
159    //Fix for 6180416: Shortcut keys are displayed against Menus on XToolkit
160    //Menu should always return null as shortcutText
161    String getShortcutText() {
162        return null;
163    }
164
165    /************************************************
166     *
167     * Utility functions
168     *
169     ************************************************/
170
171    /**
172     * Returns menu window of this menu or null
173     * it this menu has no container and so its
174     * window can't be created.
175     */
176    XMenuWindow getMenuWindow() {
177        return menuWindow;
178    }
179
180}
181