1 /*
2 * Copyright (c) 2015, 2019, 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 import java.awt.AWTException;
25 import java.awt.Dimension;
26 import java.awt.GridLayout;
27 import java.awt.Point;
28 import java.awt.Robot;
29 import java.awt.event.InputEvent;
30 import javax.swing.JComboBox;
31 import javax.swing.JFrame;
32 import javax.swing.JPanel;
33 import javax.swing.SwingUtilities;
34 import javax.swing.UIManager;
35 import javax.swing.UIManager.LookAndFeelInfo;
36 import javax.swing.UnsupportedLookAndFeelException;
37
38 /*
39 * @test
40 * @key headful
41 * @bug 8033069
42 * @summary Checks that JComboBox popup does not close when mouse wheel is
43 * rotated over combo box and over its popup. The case where popup
44 * has no scroll bar.
45 * @library ../../regtesthelpers
46 * @build Util
47 * @run main bug8033069NoScrollBar
48 * @author Alexey Ivanov
49 */
50 public class bug8033069NoScrollBar implements Runnable {
51
52 private static final String[] NO_SCROLL_ITEMS = new String[] {
53 "AA", "B", "C", "D", "E", "F"
54 };
55
56 private final Robot robot;
57
58 private final String[] items;
59
60 private JFrame frame;
61 private JComboBox cb1;
62 private JComboBox cb2;
63
64 public static void main(String[] args) throws Exception {
65 iterateLookAndFeels(new bug8033069NoScrollBar(NO_SCROLL_ITEMS));
66 }
67
68 protected static void iterateLookAndFeels(final bug8033069NoScrollBar test) throws Exception {
69 LookAndFeelInfo[] lafInfo = UIManager.getInstalledLookAndFeels();
70 for (LookAndFeelInfo info : lafInfo) {
71 try {
72 UIManager.setLookAndFeel(info.getClassName());
73 System.out.println("Look and Feel: " + info.getClassName());
74 test.runTest();
75 } catch (UnsupportedLookAndFeelException e) {
76 System.out.println("Skipping unsupported LaF: " + info);
77 }
78 }
79 }
80
81 public bug8033069NoScrollBar(String[] items) throws AWTException {
82 this.items = items;
83
84 robot = new Robot();
85 robot.setAutoDelay(200);
86 }
87
88 private void setupUI() {
89 frame = new JFrame();
90 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
91
92 cb1 = new JComboBox<>(items);
93 cb2 = new JComboBox<>(items);
94 JPanel panel = new JPanel(new GridLayout(1, 2));
95 panel.add(cb1);
96 panel.add(cb2);
97
98 frame.add(panel);
99
100 frame.pack();
101 frame.setVisible(true);
102 }
103
104 public void runTest() throws Exception {
105 try {
106 SwingUtilities.invokeAndWait(this);
107
108 robot.waitForIdle();
109 assertFalse("cb1 popup is visible",
110 Util.invokeOnEDT(cb1::isPopupVisible));
111
112 // Move mouse pointer to the center of the fist combo box
113 Point p = cb1.getLocationOnScreen();
114 Dimension d = cb1.getSize();
115 System.out.println(d.width + "," + d.height);
116 robot.mouseMove(p.x + d.width / 2, p.y + d.height / 2);
117 // Click it to open popup
118 robot.mousePress(InputEvent.BUTTON1_MASK);
119 robot.mouseRelease(InputEvent.BUTTON1_MASK);
120
121 robot.waitForIdle();
122 assertTrue("cb1 popup is not visible",
123 Util.invokeOnEDT(cb1::isPopupVisible));
124
125 robot.mouseWheel(1);
126 robot.waitForIdle();
127 assertTrue("cb1 popup is not visible after mouse wheel up on combo box",
128 Util.invokeOnEDT(cb1::isPopupVisible));
129
130 robot.mouseWheel(-1);
131 robot.waitForIdle();
132 assertTrue("cb1 popup is not visible after mouse wheel down on combo box",
133 Util.invokeOnEDT(cb1::isPopupVisible));
134
135 // Move mouse down on the popup
136 robot.mouseMove(p.x + d.width / 2, p.y + d.height * 3);
137
138 robot.mouseWheel(1);
139 robot.waitForIdle();
140 assertTrue("cb1 popup is not visible after mouse wheel up on popup",
141 Util.invokeOnEDT(cb1::isPopupVisible));
142
143 robot.mouseWheel(-1);
144 robot.waitForIdle();
145 assertTrue("cb1 popup is not visible after mouse wheel down on popup",
146 Util.invokeOnEDT(cb1::isPopupVisible));
147
148
149 // Move mouse pointer to the center of the second combo box
150 p = cb2.getLocationOnScreen();
151 d = cb2.getSize();
152 robot.mouseMove(p.x + d.width / 2, p.y + d.height / 2);
153
154 robot.mouseWheel(1);
155 robot.waitForIdle();
156 assertFalse("cb1 popup is visible after mouse wheel up on cb2",
157 Util.invokeOnEDT(cb1::isPopupVisible));
158 } finally {
159 if (frame != null) {
160 frame.dispose();
161 }
162 }
163
164 System.out.println("Test passed");
165 }
166
167 @Override
168 public void run() {
169 setupUI();
170 }
171
172 private static void assertTrue(String message, boolean value) {
173 assertEquals(message, true, value);
174 }
175
176 private static void assertFalse(String message, boolean value) {
177 assertEquals(message, false, value);
178 }
179
180 private static void assertEquals(String message, boolean expected, boolean actual) {
181 if (expected != actual) {
182 throw new RuntimeException(message);
183 }
184 }
185 }