1 /*
2 * Copyright (c) 2016, 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.Color;
25 import java.awt.GridBagConstraints;
26 import java.awt.GridBagLayout;
27 import java.awt.event.ActionEvent;
28 import java.awt.event.ActionListener;
29 import java.awt.event.WindowAdapter;
30 import java.awt.event.WindowEvent;
31 import java.util.concurrent.CountDownLatch;
32 import java.util.concurrent.TimeUnit;
33 import javax.swing.BoxLayout;
34 import javax.swing.JButton;
35 import javax.swing.JFrame;
36 import javax.swing.JPanel;
37 import javax.swing.JScrollPane;
38 import javax.swing.JTextArea;
39 import javax.swing.SwingUtilities;
40
41 /*
42 * @test
43 * @bug 8166591
44 * @key headful
45 * @summary [macos 10.12] Trackpad scrolling of text on OS X 10.12 Sierra
46 * is very fast (Trackpad, Retina only)
47 * @run main/manual/othervm TooMuchWheelRotationEventsTest
48 */
49 public class TooMuchWheelRotationEventsTest {
50
51 private static volatile boolean testResult = false;
52 private static volatile CountDownLatch countDownLatch;
53 private static final String INSTRUCTIONS = "INSTRUCTIONS:\n"
54 + "Try to check the issue on Mac OS X 10.12 Sierra with trackpad.\n"
55 + "\n"
56 + "If the trackpad is not supported, press PASS\n"
57 + "\n"
58 + "Use the trackpad to slightly scroll the JTextArea horizontally and vertically.\n"
59 + "If the text area is scrolled too fast press FAIL, else press PASS.";
60
61 public static void main(String args[]) throws Exception {
62 countDownLatch = new CountDownLatch(1);
63
64 SwingUtilities.invokeLater(TooMuchWheelRotationEventsTest::createUI);
65 countDownLatch.await(15, TimeUnit.MINUTES);
66
67 if (!testResult) {
68 throw new RuntimeException("Test fails!");
69 }
70 }
71
72 private static void createUI() {
73
74 final JFrame mainFrame = new JFrame("Trackpad scrolling test");
75 GridBagLayout layout = new GridBagLayout();
76 JPanel mainControlPanel = new JPanel(layout);
77 JPanel resultButtonPanel = new JPanel(layout);
78
79 GridBagConstraints gbc = new GridBagConstraints();
80
81 JPanel testPanel = createTestPanel();
82
83 gbc.gridx = 0;
84 gbc.gridy = 0;
85 gbc.fill = GridBagConstraints.HORIZONTAL;
86 mainControlPanel.add(testPanel, gbc);
87
88 JTextArea instructionTextArea = new JTextArea();
89 instructionTextArea.setText(INSTRUCTIONS);
90 instructionTextArea.setEditable(false);
91 instructionTextArea.setBackground(Color.white);
92
93 gbc.gridx = 0;
94 gbc.gridy = 1;
95 gbc.fill = GridBagConstraints.HORIZONTAL;
96 mainControlPanel.add(instructionTextArea, gbc);
97
98 JButton passButton = new JButton("Pass");
99 passButton.setActionCommand("Pass");
100 passButton.addActionListener((ActionEvent e) -> {
101 testResult = true;
102 mainFrame.dispose();
103 countDownLatch.countDown();
104
105 });
106
107 JButton failButton = new JButton("Fail");
108 failButton.setActionCommand("Fail");
109 failButton.addActionListener(new ActionListener() {
110 @Override
111 public void actionPerformed(ActionEvent e) {
112 mainFrame.dispose();
113 countDownLatch.countDown();
114 }
115 });
116
117 gbc.gridx = 0;
118 gbc.gridy = 0;
119 resultButtonPanel.add(passButton, gbc);
120
121 gbc.gridx = 1;
122 gbc.gridy = 0;
123 resultButtonPanel.add(failButton, gbc);
124
125 gbc.gridx = 0;
126 gbc.gridy = 2;
127 mainControlPanel.add(resultButtonPanel, gbc);
128
129 mainFrame.add(mainControlPanel);
130 mainFrame.pack();
131
132 mainFrame.addWindowListener(new WindowAdapter() {
133
134 @Override
135 public void windowClosing(WindowEvent e) {
136 mainFrame.dispose();
137 countDownLatch.countDown();
138 }
139 });
140 mainFrame.setVisible(true);
141 }
142
143 private static JPanel createTestPanel() {
144 JPanel panel = new JPanel();
145 panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
146 JTextArea textArea = new JTextArea(20, 20);
147 textArea.setText(getLongString());
148 JScrollPane scrollPane = new JScrollPane(textArea);
149 panel.add(scrollPane);
150 return panel;
151 }
152
153 private static String getLongString() {
154
155 String lowCaseString = getLongString('a', 'z');
156 String upperCaseString = getLongString('A', 'Z');
157 String digitsString = getLongString('0', '9');
158
159 int repeat = 30;
160 StringBuilder lowCaseBuilder = new StringBuilder();
161 StringBuilder upperCaseBuilder = new StringBuilder();
162 StringBuilder digitsBuilder = new StringBuilder();
163
164 for (int i = 0; i < repeat; i++) {
165 lowCaseBuilder.append(lowCaseString).append(' ');
166 upperCaseBuilder.append(upperCaseString).append(' ');
167 digitsBuilder.append(digitsString).append(' ');
168 }
169
170 StringBuilder builder = new StringBuilder();
171 for (int i = 0; i < 200; i++) {
172 builder.append(upperCaseBuilder).append('\n')
173 .append(lowCaseBuilder).append('\n')
174 .append(digitsBuilder).append("\n\n\n");
175 }
176
177 return builder.toString();
178 }
179
180 private static String getLongString(char c1, char c2) {
181
182 char[] chars = new char[c2 - c1 + 1];
183 for (char i = c1; i <= c2; i++) {
184 chars[i - c1] = i;
185 }
186 return new String(chars);
187 }
188 }