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 /* @test
25 @bug 7004134
26 @summary JLabel containing a ToolTipText does no longer show ToolTip after browser refresh
27 @author Pavel Porvatov
28 */
29
30 import sun.awt.SunToolkit;
31
32 import javax.swing.*;
33 import java.awt.*;
34 import java.awt.event.MouseEvent;
35 import java.lang.reflect.Field;
36
37 public class bug7004134 {
38 private static volatile JFrame frame;
39
40 private static volatile JLabel label;
41
42 private static volatile int toolTipWidth;
43
44 public static void main(String[] args) throws Exception {
45 SwingUtilities.invokeAndWait(new Runnable() {
46 public void run() {
47 label = new JLabel("A JLabel used as object for an HTML-formatted tooltip");
48 label.setToolTipText("<html><body bgcolor=FFFFE1>An HTML-formatted ToolTip</body></html>");
49
50 frame = new JFrame();
51
52 frame.add(label);
53 frame.pack();
54 frame.setVisible(true);
55 }
56 });
57
58 ((SunToolkit) SunToolkit.getDefaultToolkit()).realSync();
59
60 SwingUtilities.invokeAndWait(new Runnable() {
61 public void run() {
62 ToolTipManager toolTipManager = ToolTipManager.sharedInstance();
63
64 toolTipManager.setInitialDelay(0);
65 toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
66 }
67 });
68
69 Thread.sleep(500);
70
71 SwingUtilities.invokeAndWait(new Runnable() {
72 public void run() {
73 toolTipWidth = getTipWindow().getWidth();
74
75 frame.dispose();
76 }
77 });
78
79 Thread thread = new Thread(new ThreadGroup("Some ThreadGroup"), new Runnable() {
80 public void run() {
81 SunToolkit.createNewAppContext();
82
83 try {
84 SwingUtilities.invokeAndWait(new Runnable() {
85 public void run() {
86 frame = new JFrame();
87
88 frame.add(label);
89 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
90 frame.pack();
91 frame.setVisible(true);
92 }
93 });
94
95 ((SunToolkit) SunToolkit.getDefaultToolkit()).realSync();
96
97 SwingUtilities.invokeAndWait(new Runnable() {
98 public void run() {
99 ToolTipManager toolTipManager = ToolTipManager.sharedInstance();
100
101 toolTipManager.setInitialDelay(0);
102 toolTipManager.mouseMoved(new MouseEvent(label, 0, 0, 0, 0, 0, 0, false));
103 }
104 });
105
106 Thread.sleep(500);
107
108 SwingUtilities.invokeAndWait(new Runnable() {
109 public void run() {
110 int newToolTipWidth = getTipWindow().getWidth();
111
112 frame.dispose();
113
114 if (toolTipWidth != newToolTipWidth) {
115 throw new RuntimeException("Tooltip width is different. Initial: " + toolTipWidth +
116 ", new: " + newToolTipWidth);
117 }
118 }
119 });
120 } catch (Exception e) {
121 throw new RuntimeException(e);
122 }
123
124 }
125 });
126
127 thread.start();
128 thread.join();
129 }
130
131 private static Component getTipWindow() {
132 try {
133 Field tipWindowField = ToolTipManager.class.getDeclaredField("tipWindow");
134
135 tipWindowField.setAccessible(true);
136
137 Popup value = (Popup) tipWindowField.get(ToolTipManager.sharedInstance());
138
139 Field componentField = Popup.class.getDeclaredField("component");
140
141 componentField.setAccessible(true);
142
143 return (Component) componentField.get(value);
144 } catch (Exception e) {
145 throw new RuntimeException("getToolTipComponent failed", e);
146 }
147 }
148 }