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