1 /*
2 * Copyright (c) 2010, 2011, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @key headful
27 * @bug 7004134
28 * @summary JLabel containing a ToolTipText does no longer show ToolTip after browser refresh
29 * @author Pavel Porvatov
30 * @modules java.desktop/sun.awt
31 */
32
33 import sun.awt.SunToolkit;
34
35 import javax.swing.*;
36 import java.awt.*;
37 import java.awt.event.MouseEvent;
38 import java.lang.reflect.Field;
39
40 public class bug7004134 {
41 private static volatile JFrame frame;
42
43 private static volatile JLabel label;
44
45 private static volatile int toolTipWidth;
46
47 public static void main(String[] args) throws Exception {
48 SwingUtilities.invokeAndWait(new Runnable() {
49 public void run() {
50 label = new JLabel("A JLabel used as object for an HTML-formatted tooltip");
51 label.setToolTipText("<html><body bgcolor=FFFFE1>An HTML-formatted ToolTip</body></html>");
52
53 frame = new JFrame();
54
55 frame.add(label);
56 frame.pack();
57 frame.setVisible(true);
58 }
59 });
60
61 ((SunToolkit) SunToolkit.getDefaultToolkit()).realSync();
62
63 SwingUtilities.invokeAndWait(new Runnable() {
64 public void run() {
65 ToolTipManager toolTipManager = ToolTipManager.sharedInstance();
66
67 toolTipManager.setInitialDelay(0);
68 toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
69 }
70 });
71
72 Thread.sleep(500);
73
74 SwingUtilities.invokeAndWait(new Runnable() {
75 public void run() {
76 toolTipWidth = getTipWindow().getWidth();
77
78 frame.dispose();
79 }
80 });
81
82 Thread thread = new Thread(new ThreadGroup("Some ThreadGroup"), new Runnable() {
83 public void run() {
84 SunToolkit.createNewAppContext();
85
86 try {
87 SwingUtilities.invokeAndWait(new Runnable() {
88 public void run() {
89 frame = new JFrame();
90
91 frame.add(label);
92 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
93 frame.pack();
94 frame.setVisible(true);
95 }
96 });
97
98 ((SunToolkit) SunToolkit.getDefaultToolkit()).realSync();
99
100 SwingUtilities.invokeAndWait(new Runnable() {
101 public void run() {
102 ToolTipManager toolTipManager = ToolTipManager.sharedInstance();
103
104 toolTipManager.setInitialDelay(0);
105 toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
106 }
107 });
108
109 Thread.sleep(500);
110
111 SwingUtilities.invokeAndWait(new Runnable() {
112 public void run() {
113 int newToolTipWidth = getTipWindow().getWidth();
114
115 frame.dispose();
116
117 if (toolTipWidth != newToolTipWidth) {
118 throw new RuntimeException("Tooltip width is different. Initial: " + toolTipWidth +
119 ", new: " + newToolTipWidth);
120 }
121 }
122 });
123 } catch (Exception e) {
124 throw new RuntimeException(e);
125 }
126
127 }
128 });
129
130 thread.start();
131 thread.join();
132 }
133
134 private static Component getTipWindow() {
135 try {
136 Field tipWindowField = ToolTipManager.class.getDeclaredField("tipWindow");
137
138 tipWindowField.setAccessible(true);
139
140 Popup value = (Popup) tipWindowField.get(ToolTipManager.sharedInstance());
141
142 Field componentField = Popup.class.getDeclaredField("component");
143
144 componentField.setAccessible(true);
145
146 return (Component) componentField.get(value);
147 } catch (Exception e) {
148 throw new RuntimeException("getToolTipComponent failed", e);
149 }
150 }
151 }