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 }