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/*
* Copyright (c) 2022, 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.Robot;
import java.awt.event.FocusAdapter;
import java.awt.event.FocusEvent;
import java.awt.event.KeyEvent;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import static java.util.stream.Collectors.toList;
/*
* @test
* @key headful
* @bug 8281738
* @summary Check whether pressing <Space> key generates
* ActionEvent on focused Button or not.
* @run main SpaceKeyActivatesButton
*/
public class SpaceKeyActivatesButton {
private static volatile boolean buttonPressed;
private static JFrame frame;
private static JButton focusedButton;
private static CountDownLatch buttonGainedFocusLatch;
public static void main(String[] s) throws Exception {
runTest();
}
public static void runTest() throws Exception {
Robot robot = new Robot();
robot.setAutoDelay(100);
robot.setAutoWaitForIdle(true);
List<String> lafs = Arrays.stream(UIManager.getInstalledLookAndFeels())
.map(laf -> laf.getClassName())
.collect(toList());
for (String laf : lafs) {
buttonGainedFocusLatch = new CountDownLatch(1);
try {
buttonPressed = false;
System.out.println("Testing laf : " + laf);
AtomicBoolean lafSetSuccess = new AtomicBoolean(false);
SwingUtilities.invokeAndWait(() -> {
lafSetSuccess.set(setLookAndFeel(laf));
// Call createUI() only if setting laf succeeded
if (lafSetSuccess.get()) {
createUI();
}
});
// If setting laf failed, then just get next laf and continue
if (!lafSetSuccess.get()) {
continue;
}
robot.waitForIdle();
// Wait until the button2 gains focus.
if (!buttonGainedFocusLatch.await(3, TimeUnit.SECONDS)) {
throw new RuntimeException("Test Failed, waited too long, " +
"but the button can't gain focus for laf : " + laf);
}
robot.keyPress(KeyEvent.VK_SPACE);
robot.keyRelease(KeyEvent.VK_SPACE);
if (buttonPressed) {
System.out.println("Test Passed for laf : " + laf);
} else {
throw new RuntimeException("Test Failed, button not pressed for laf : " + laf);
}
} finally {
SwingUtilities.invokeAndWait(SpaceKeyActivatesButton::disposeFrame);
}
}
}
private static boolean setLookAndFeel(String lafName) {
try {
UIManager.setLookAndFeel(lafName);
} catch (UnsupportedLookAndFeelException ignored) {
System.out.println("Ignoring Unsupported laf : " + lafName);
return false;
} catch (ClassNotFoundException | InstantiationException
| IllegalAccessException e) {
throw new RuntimeException(e);
}
return true;
}
private static void createUI() {
frame = new JFrame();
JPanel panel = new JPanel();
panel.add(new JButton("Button1"));
focusedButton = new JButton("Button2");
focusedButton.addActionListener(e -> buttonPressed = true);
focusedButton.addFocusListener(new FocusAdapter() {
@Override
public void focusGained(FocusEvent e) {
buttonGainedFocusLatch.countDown();
}
});
panel.add(focusedButton);
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.add(panel);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
focusedButton.requestFocusInWindow();
}
private static void disposeFrame() {
if (frame != null) {
frame.dispose();
frame = null;
}
}
}
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