1 /*
2 * Copyright (c) 2015, 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 7072653 8144161
28 * @summary JComboBox popup mispositioned if its height exceeds the screen height
29 * @run main bug7072653
30 */
31 import java.awt.FlowLayout;
32 import java.awt.GraphicsConfiguration;
33 import java.awt.Insets;
34 import java.awt.Robot;
35 import javax.swing.event.PopupMenuEvent;
36 import javax.swing.event.PopupMenuListener;
37 import java.awt.Toolkit;
38 import java.awt.Window;
39 import java.util.Arrays;
40 import javax.swing.DefaultComboBoxModel;
41 import javax.swing.JComboBox;
42 import javax.swing.JFrame;
43 import javax.swing.SwingUtilities;
44 import javax.swing.UIManager;
45 import javax.swing.UnsupportedLookAndFeelException;
46
47 public class bug7072653 {
48
49 private static JComboBox combobox;
50 private static JFrame frame;
51 private static Robot robot;
52 private static volatile String errorString = "";
53
54 public static void main(String[] args) throws Exception {
55 robot = new Robot();
56 robot.delay(100);
57 UIManager.LookAndFeelInfo[] lookAndFeelArray
58 = UIManager.getInstalledLookAndFeels();
59 for (UIManager.LookAndFeelInfo lookAndFeelItem : lookAndFeelArray) {
60 executeCase(lookAndFeelItem.getClassName());
61 robot.delay(1000);
62 }
63 if (!"".equals(errorString)) {
64
65 throw new RuntimeException("Error Log:\n" + errorString);
66 }
67 }
68
69 private static void executeCase(String lookAndFeelString) throws Exception {
70 if (tryLookAndFeel(lookAndFeelString)) {
71 SwingUtilities.invokeAndWait(new Runnable() {
72 @Override
73 public void run() {
74 try {
75 setup(lookAndFeelString);
76 test();
77 } catch (Exception ex) {
78 errorString += "\n";
79 errorString += Arrays.toString(ex.getStackTrace());
80 }
81 finally {
82 frame.dispose();
83 }
84 }
85 });
86 }
87
88 }
89
90 private static void setup(String lookAndFeelString)
91 throws Exception {
92
93 frame = new JFrame("JComboBox Test " + lookAndFeelString);
94 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
95 frame.setSize(320, 200);
96 frame.getContentPane().setLayout(new FlowLayout());
97 frame.setLocationRelativeTo(null);
98 combobox = new JComboBox(new DefaultComboBoxModel() {
99 @Override
100 public Object getElementAt(int index) {
101 return "Element " + index;
102 }
103
104 @Override
105 public int getSize() {
106 return 100;
107 }
108 });
109
110 combobox.setMaximumRowCount(100);
111 frame.getContentPane().add(combobox);
112 frame.setVisible(true);
113 combobox.addPopupMenuListener(new PopupMenuListener() {
114 @Override
115 public void popupMenuWillBecomeVisible(PopupMenuEvent e) {
116 }
117
118 @Override
119 public void popupMenuWillBecomeInvisible(PopupMenuEvent e) {
120 int height = 0;
121 for (Window window : JFrame.getWindows()) {
122 if (Window.Type.POPUP == window.getType()) {
123 height = window.getSize().height;
124 break;
125 }
126 }
127 GraphicsConfiguration gc
128 = combobox.getGraphicsConfiguration();
129 Insets screenInsets = Toolkit.getDefaultToolkit()
130 .getScreenInsets(gc);
131 int gcHeight = gc.getBounds().height;
132 if (lookAndFeelString.contains("aqua")) {
133 gcHeight = gcHeight - screenInsets.top;
134 //For Aqua LAF
135 } else {
136 gcHeight = gcHeight - screenInsets.top
137 - screenInsets.bottom;
138 }
139 if (height == gcHeight) {
140 return;
141 }
142
143 String exception = "Popup window height "
144 + "For LookAndFeel" + lookAndFeelString + " is wrong"
145 + "\nShould be " + height + "Actually " + gcHeight;
146 errorString += exception;
147 }
148
149 @Override
150 public void popupMenuCanceled(PopupMenuEvent e) {
151 }
152
153 });
154
155 }
156
157 private static void test() throws Exception {
158 combobox.setPopupVisible(true);
159 combobox.setPopupVisible(false);
160 }
161
162 private static boolean tryLookAndFeel(String lookAndFeelString)
163 throws Exception {
164 try {
165 UIManager.setLookAndFeel(
166 lookAndFeelString);
167
168 } catch (UnsupportedLookAndFeelException
169 | ClassNotFoundException
170 | InstantiationException
171 | IllegalAccessException e) {
172 return false;
173 }
174 return true;
175 }
176 }