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/*
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.Color;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;
/*
* @test
* @bug 8166591 8173876
* @key headful
* @summary [macos 10.12] Trackpad scrolling of text on OS X 10.12 Sierra
* is very fast (Trackpad, Retina only)
* @requires (os.family == "windows" | os.family == "mac")
* @run main/manual/othervm TooMuchWheelRotationEventsTest
*/
public class TooMuchWheelRotationEventsTest {
private static volatile boolean testResult = false;
private static volatile CountDownLatch countDownLatch;
private static final String INSTRUCTIONS = " INSTRUCTIONS:\n"
+ " Try to check the issue with trackpad\n"
+ "\n"
+ " If the trackpad is not supported, press PASS\n"
+ "\n"
+ " Use the trackpad to slightly scroll the JTextArea horizontally and vertically.\n"
+ " If the text area is scrolled too fast press FAIL, else press PASS.";
public static void main(String args[]) throws Exception {
countDownLatch = new CountDownLatch(1);
SwingUtilities.invokeLater(TooMuchWheelRotationEventsTest::createUI);
countDownLatch.await(15, TimeUnit.MINUTES);
if (!testResult) {
throw new RuntimeException("Test fails!");
}
}
private static void createUI() {
final JFrame mainFrame = new JFrame("Trackpad scrolling test");
GridBagLayout layout = new GridBagLayout();
JPanel mainControlPanel = new JPanel(layout);
JPanel resultButtonPanel = new JPanel(layout);
GridBagConstraints gbc = new GridBagConstraints();
JPanel testPanel = createTestPanel();
gbc.gridx = 0;
gbc.gridy = 0;
gbc.fill = GridBagConstraints.HORIZONTAL;
mainControlPanel.add(testPanel, gbc);
JTextArea instructionTextArea = new JTextArea();
instructionTextArea.setText(INSTRUCTIONS);
instructionTextArea.setEditable(false);
instructionTextArea.setBackground(Color.white);
gbc.gridx = 0;
gbc.gridy = 1;
gbc.fill = GridBagConstraints.HORIZONTAL;
mainControlPanel.add(instructionTextArea, gbc);
JButton passButton = new JButton("Pass");
passButton.setActionCommand("Pass");
passButton.addActionListener((ActionEvent e) -> {
testResult = true;
mainFrame.dispose();
countDownLatch.countDown();
});
JButton failButton = new JButton("Fail");
failButton.setActionCommand("Fail");
failButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
mainFrame.dispose();
countDownLatch.countDown();
}
});
gbc.gridx = 0;
gbc.gridy = 0;
resultButtonPanel.add(passButton, gbc);
gbc.gridx = 1;
gbc.gridy = 0;
resultButtonPanel.add(failButton, gbc);
gbc.gridx = 0;
gbc.gridy = 2;
mainControlPanel.add(resultButtonPanel, gbc);
mainFrame.add(mainControlPanel);
mainFrame.pack();
mainFrame.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
mainFrame.dispose();
countDownLatch.countDown();
}
});
mainFrame.setLocationRelativeTo(null);
mainFrame.setVisible(true);
}
private static JPanel createTestPanel() {
JPanel panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
JTextArea textArea = new JTextArea(20, 20);
textArea.setText(getLongString());
JScrollPane scrollPane = new JScrollPane(textArea);
panel.add(scrollPane);
return panel;
}
private static String getLongString() {
String lowCaseString = getLongString('a', 'z');
String upperCaseString = getLongString('A', 'Z');
String digitsString = getLongString('0', '9');
int repeat = 30;
StringBuilder lowCaseBuilder = new StringBuilder();
StringBuilder upperCaseBuilder = new StringBuilder();
StringBuilder digitsBuilder = new StringBuilder();
for (int i = 0; i < repeat; i++) {
lowCaseBuilder.append(lowCaseString).append(' ');
upperCaseBuilder.append(upperCaseString).append(' ');
digitsBuilder.append(digitsString).append(' ');
}
StringBuilder builder = new StringBuilder();
for (int i = 0; i < 200; i++) {
builder.append(upperCaseBuilder).append('\n')
.append(lowCaseBuilder).append('\n')
.append(digitsBuilder).append("\n\n\n");
}
return builder.toString();
}
private static String getLongString(char c1, char c2) {
char[] chars = new char[c2 - c1 + 1];
for (char i = c1; i <= c2; i++) {
chars[i - c1] = i;
}
return new String(chars);
}
}
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