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/*
* Copyright (c) 1999, 2025, 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.
*/
/*
* @test
* @bug 4382876
* @summary Tests if JSlider fires ChangeEvents when thumb is clicked and not moved
* @key headful
* @run main bug4186062
*/
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSlider;
import javax.swing.SwingUtilities;
import javax.swing.event.ChangeListener;
public class bug4186062 {
private static JFrame f;
private static JSlider slider;
private static volatile Point loc;
private static volatile int labelNum;
public static void main(String[] args) throws Exception {
try {
SwingUtilities.invokeAndWait(() -> {
f = new JFrame("JSlider Click Value Test");
f.setSize(400, 200);
f.setLocationRelativeTo(null);
f.setVisible(true);
JPanel panel = new JPanel();
slider = new JSlider();
final JLabel label = new JLabel("0");
labelNum = 0;
ChangeListener listener = e -> {
labelNum++;
label.setText("" + labelNum);
};
slider.addChangeListener(listener);
panel.add(slider);
panel.add(label);
f.add(panel);
});
Robot r = new Robot();
r.setAutoDelay(100);
r.waitForIdle();
r.delay(1000);
SwingUtilities.invokeAndWait(() -> {
loc = slider.getLocationOnScreen();
loc.setLocation(loc.x + (slider.getWidth() / 2),
loc.y + (slider.getHeight() / 2));
});
r.mouseMove(loc.x, loc.y);
r.mousePress(InputEvent.BUTTON1_DOWN_MASK);
r.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
if (labelNum > 0) {
throw new RuntimeException(labelNum + " ChangeEvents fired. " +
"Test failed");
}
} finally {
SwingUtilities.invokeAndWait(() -> {
if (f != null) {
f.dispose();
}
});
}
}
}
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