1 /*
2 * Copyright (c) 2012, 2014, 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 com.sun.glass.ui.swt;
26
27 import org.eclipse.swt.*;
28 import org.eclipse.swt.graphics.Image;
29 import org.eclipse.swt.widgets.Event;
30 import org.eclipse.swt.widgets.Listener;
31
32 import com.sun.glass.events.KeyEvent;
33 import com.sun.glass.ui.Menu;
34 import com.sun.glass.ui.MenuItem;
35 import com.sun.glass.ui.Pixels;
36 import com.sun.glass.ui.delegate.MenuDelegate;
37 import com.sun.glass.ui.delegate.MenuItemDelegate;
38
39 final class SWTMenuDelegate implements MenuDelegate, MenuItemDelegate {
40
41 String title = "";
42 MenuItem.Callback callback;
43 int shortcutKey;
44 int shortcutModifiers;
45 Pixels pixels;
46 boolean enabled;
47 boolean checked;
48
49 org.eclipse.swt.widgets.Menu menu;
50 org.eclipse.swt.widgets.MenuItem item;
51
52 Menu menu2;
53
54 public SWTMenuDelegate(Menu menu2) {
55 this.menu2 = menu2;
56 }
57
58 public SWTMenuDelegate() {
59 }
60
61 public boolean createMenu(String title, boolean enabled) {
62 this.title = title;
63 this.enabled = enabled;
64 this.menu = new org.eclipse.swt.widgets.Menu(SWTView.hiddenShell, SWT.DROP_DOWN);
65 this.menu.addListener(SWT.Show, new Listener () {
66 public void handleEvent(Event event) {
67 Menu menu2 = SWTMenuDelegate.this.menu2;
68 if (menu2.getEventHandler() != null) {
69 menu2.getEventHandler().handleMenuOpening(menu2, System.nanoTime());
70 }
71 }
72 });
73 this.menu.addListener(SWT.Hide, new Listener () {
74 public void handleEvent(Event event) {
75 Menu menu2 = SWTMenuDelegate.this.menu2;
76 if (menu2.getEventHandler() != null) {
77 menu2.getEventHandler().handleMenuClosed(menu2, System.nanoTime());
78 }
79 }
80 });
81 return true;
82 }
83
84 public boolean createMenuItem(String title, MenuItem.Callback callback, int shortcutKey, int shortcutModifiers, Pixels pixels, boolean enabled, boolean checked) {
85 this.title = title;
86 this.callback = callback;
87 this.shortcutKey = shortcutKey;
88 this.shortcutModifiers = shortcutModifiers;
89 this.pixels = pixels;
90 this.enabled = enabled;
91 this.checked = checked;
92 return true;
93 }
94
95 public boolean setTitle(String title) {
96 this.title = title;
97 if (item != null) item.setText(title);
98 return true;
99 }
100
101 public boolean setCallback(final MenuItem.Callback callback) {
102 this.callback = callback;
103 if (item != null) {
104 item.addListener(SWT.Selection, event -> {
105 item.setSelection(false);
106 callback.action();
107 });
108 }
109 return true;
110 }
111
112 public boolean setShortcut(int shortcutKey, int shortcutModifiers) {
113 this.shortcutKey = shortcutKey;
114 this.shortcutModifiers = shortcutModifiers;
115 if (item != null) {
116 int modifier = 0;
117 if ((shortcutModifiers & KeyEvent.MODIFIER_SHIFT) != 0) modifier |= SWT.SHIFT;
118 if ((shortcutModifiers & KeyEvent.MODIFIER_CONTROL) != 0) modifier |= SWT.CONTROL;
119 if ((shortcutModifiers & KeyEvent.MODIFIER_ALT) != 0) modifier |= SWT.ALT;
120 if ((shortcutModifiers & KeyEvent.MODIFIER_COMMAND) != 0) modifier |= SWT.COMMAND;
121 int key = SWTApplication.getSWTKeyCode(shortcutKey);
122 item.setAccelerator(modifier | key);
123 }
124 return true;
125 }
126
127 public boolean setPixels(Pixels pixels) {
128 this.pixels = pixels;
129 if (item != null) {
130 Image oldImage = item.getImage();
131 if (oldImage != null) {
132 item.setImage(null);
133 oldImage.dispose();
134 }
135 Image newImage = SWTApplication.createImage(pixels);
136 item.setImage(newImage);
137 }
138 return true;
139 }
140
141 public boolean setEnabled(boolean enabled) {
142 this.enabled = enabled;
143 if (item != null) item.setEnabled(enabled);
144 return true;
145 }
146
147 public boolean setChecked(boolean checked) {
148 this.checked = checked;
149 if (item != null) item.setSelection(checked);
150 return true;
151 }
152
153 public boolean insert(final MenuDelegate menu, int pos) {
154 ((SWTMenuDelegate)menu).item = new org.eclipse.swt.widgets.MenuItem(this.menu, SWT.CASCADE, pos);
155 ((SWTMenuDelegate)menu).item.setMenu(((SWTMenuDelegate)menu).menu);
156 ((SWTMenuDelegate)menu).setTitle(((SWTMenuDelegate)menu).title);
157 ((SWTMenuDelegate)menu).setPixels(((SWTMenuDelegate)menu).pixels);
158 ((SWTMenuDelegate)menu).setEnabled(((SWTMenuDelegate)menu).enabled);
159 ((SWTMenuDelegate)menu).item.addListener(SWT.Dispose, event -> {
160 Image oldImage = ((SWTMenuDelegate)menu).item.getImage();
161 if (oldImage != null) {
162 ((SWTMenuDelegate)menu).item.setImage(null);
163 oldImage.dispose();
164 }
165 ((SWTMenuDelegate)menu).item = null;
166 });
167 return true;
168 }
169
170 public boolean insert(final MenuItemDelegate item, int pos) {
171 if (item == null) {
172 new org.eclipse.swt.widgets.MenuItem(this.menu, SWT.SEPARATOR, pos);
173 } else {
174 ((SWTMenuDelegate)item).item = new org.eclipse.swt.widgets.MenuItem(this.menu, SWT.CHECK, pos);
175 ((SWTMenuDelegate)item).item.addListener(SWT.Dispose, event -> {
176 Image oldImage = ((SWTMenuDelegate)item).item.getImage();
177 if (oldImage != null) {
178 ((SWTMenuDelegate)item).item.setImage(null);
179 oldImage.dispose();
180 }
181 ((SWTMenuDelegate)item).item = null;
182 });
183 ((SWTMenuDelegate)item).setTitle(((SWTMenuDelegate)item).title);
184 ((SWTMenuDelegate)item).setPixels(((SWTMenuDelegate)item).pixels);
185 ((SWTMenuDelegate)item).setEnabled(((SWTMenuDelegate)item).enabled);
186 ((SWTMenuDelegate)item).setChecked(((SWTMenuDelegate)item).checked);
187 ((SWTMenuDelegate)item).setShortcut(((SWTMenuDelegate)item).shortcutKey, ((SWTMenuDelegate)item).shortcutModifiers);
188 ((SWTMenuDelegate)item).setCallback(((SWTMenuDelegate)item).callback);
189 }
190 return true;
191 }
192
193 public boolean remove(MenuDelegate menu, int pos) {
194 if (0 <= pos && pos < ((SWTMenuDelegate)menu).menu.getItemCount()) {
195 ((SWTMenuDelegate)menu).menu.getItem(pos).dispose();
196 ((SWTMenuDelegate)menu).menu = null;
197 ((SWTMenuDelegate)menu).item = null;
198 }
199 return true;
200 }
201
202 public boolean remove(MenuItemDelegate item, int pos) {
203 if (0 <= pos && pos < this.menu.getItemCount()) {
204 this.menu.getItem(pos).dispose();
205 ((SWTMenuDelegate)item).item = null;
206 }
207 return true;
208 }
209 }