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 * @requires (os.family == "windows" | os.family == "mac")
48 * @run main/manual/othervm TooMuchWheelRotationEventsTest
49 */
50 public class TooMuchWheelRotationEventsTest {
51
52 private static volatile boolean testResult = false;
53 private static volatile CountDownLatch countDownLatch;
54 private static final String INSTRUCTIONS = " INSTRUCTIONS:\n"
55 + " Try to check the issue with trackpad\n"
56 + "\n"
57 + " If the trackpad is not supported, press PASS\n"
58 + "\n"
59 + " Use the trackpad to slightly scroll the JTextArea horizontally and vertically.\n"
60 + " If the text area is scrolled too fast press FAIL, else press PASS.";
61
62 public static void main(String args[]) throws Exception {
63 countDownLatch = new CountDownLatch(1);
64
65 SwingUtilities.invokeLater(TooMuchWheelRotationEventsTest::createUI);
66 countDownLatch.await(15, TimeUnit.MINUTES);
67
68 if (!testResult) {
69 throw new RuntimeException("Test fails!");
70 }
71 }
72
73 private static void createUI() {
74
75 final JFrame mainFrame = new JFrame("Trackpad scrolling test");
76 GridBagLayout layout = new GridBagLayout();
77 JPanel mainControlPanel = new JPanel(layout);
78 JPanel resultButtonPanel = new JPanel(layout);
79
80 GridBagConstraints gbc = new GridBagConstraints();
81
82 JPanel testPanel = createTestPanel();
83
84 gbc.gridx = 0;
85 gbc.gridy = 0;
86 gbc.fill = GridBagConstraints.HORIZONTAL;
87 mainControlPanel.add(testPanel, gbc);
88
89 JTextArea instructionTextArea = new JTextArea();
90 instructionTextArea.setText(INSTRUCTIONS);
91 instructionTextArea.setEditable(false);
92 instructionTextArea.setBackground(Color.white);
93
94 gbc.gridx = 0;
95 gbc.gridy = 1;
96 gbc.fill = GridBagConstraints.HORIZONTAL;
97 mainControlPanel.add(instructionTextArea, gbc);
98
99 JButton passButton = new JButton("Pass");
100 passButton.setActionCommand("Pass");
101 passButton.addActionListener((ActionEvent e) -> {
102 testResult = true;
103 mainFrame.dispose();
104 countDownLatch.countDown();
105
106 });
107
108 JButton failButton = new JButton("Fail");
109 failButton.setActionCommand("Fail");
110 failButton.addActionListener(new ActionListener() {
111 @Override
112 public void actionPerformed(ActionEvent e) {
113 mainFrame.dispose();
114 countDownLatch.countDown();
115 }
116 });
117
118 gbc.gridx = 0;
119 gbc.gridy = 0;
120 resultButtonPanel.add(passButton, gbc);
121
122 gbc.gridx = 1;
123 gbc.gridy = 0;
124 resultButtonPanel.add(failButton, gbc);
125
126 gbc.gridx = 0;
127 gbc.gridy = 2;
128 mainControlPanel.add(resultButtonPanel, gbc);
129
130 mainFrame.add(mainControlPanel);
131 mainFrame.pack();
132
133 mainFrame.addWindowListener(new WindowAdapter() {
134
135 @Override
136 public void windowClosing(WindowEvent e) {
137 mainFrame.dispose();
138 countDownLatch.countDown();
139 }
140 });
141 mainFrame.setLocationRelativeTo(null);
142 mainFrame.setVisible(true);
143 }
144
145 private static JPanel createTestPanel() {
146 JPanel panel = new JPanel();
147 panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
148 JTextArea textArea = new JTextArea(20, 20);
149 textArea.setText(getLongString());
150 JScrollPane scrollPane = new JScrollPane(textArea);
151 panel.add(scrollPane);
152 return panel;
153 }
154
155 private static String getLongString() {
156
157 String lowCaseString = getLongString('a', 'z');
158 String upperCaseString = getLongString('A', 'Z');
159 String digitsString = getLongString('0', '9');
160
161 int repeat = 30;
162 StringBuilder lowCaseBuilder = new StringBuilder();
163 StringBuilder upperCaseBuilder = new StringBuilder();
164 StringBuilder digitsBuilder = new StringBuilder();
165
166 for (int i = 0; i < repeat; i++) {
167 lowCaseBuilder.append(lowCaseString).append(' ');
168 upperCaseBuilder.append(upperCaseString).append(' ');
169 digitsBuilder.append(digitsString).append(' ');
170 }
171
172 StringBuilder builder = new StringBuilder();
173 for (int i = 0; i < 200; i++) {
174 builder.append(upperCaseBuilder).append('\n')
175 .append(lowCaseBuilder).append('\n')
176 .append(digitsBuilder).append("\n\n\n");
177 }
178
179 return builder.toString();
180 }
181
182 private static String getLongString(char c1, char c2) {
183
184 char[] chars = new char[c2 - c1 + 1];
185 for (char i = c1; i <= c2; i++) {
186 chars[i - c1] = i;
187 }
188 return new String(chars);
189 }
190 }