1 /*
2 * Copyright 1997-2000 Sun Microsystems, Inc. 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. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package javax.swing.plaf;
27
28 import java.awt.event.MouseEvent;
29 import javax.swing.Popup;
30 import javax.swing.PopupFactory;
31 import javax.swing.JPopupMenu;
32
33 /**
34 * Pluggable look and feel interface for JPopupMenu.
35 *
36 * @author Georges Saab
37 * @author David Karlton
38 */
39
40 public abstract class PopupMenuUI extends ComponentUI {
41 /**
42 * @since 1.3
43 */
44 public boolean isPopupTrigger(MouseEvent e) {
45 return e.isPopupTrigger();
46 }
47
48 /**
49 * Returns the <code>Popup</code> that will be responsible for
50 * displaying the <code>JPopupMenu</code>.
51 *
52 * @param popup JPopupMenu requesting Popup
53 * @param x Screen x location Popup is to be shown at
54 * @param y Screen y location Popup is to be shown at.
55 * @return Popup that will show the JPopupMenu
56 * @since 1.4
57 */
58 public Popup getPopup(JPopupMenu popup, int x, int y) {
59 PopupFactory popupFactory = PopupFactory.getSharedInstance();
60
61 return popupFactory.getPopup(popup.getInvoker(), popup, x, y);
62 }
63 }
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