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/*
* Copyright (c) 2001, 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 4093998
* @summary keyDown not called on subclasses of Component
* @key headful
* @run main KeyDownCaptureTest
*/
import java.awt.AWTException;
import java.awt.BorderLayout;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.lang.reflect.InvocationTargetException;
import java.util.concurrent.atomic.AtomicBoolean;
public class KeyDownCaptureTest extends Frame implements KeyListener {
static AtomicBoolean passed = new AtomicBoolean(false);
public KeyDownCaptureTest() {
super("Key Down Capture Test");
}
public void initUI() {
setLayout (new BorderLayout());
setSize(200, 200);
setLocationRelativeTo(null);
Canvas canvas = new Canvas();
canvas.setBackground(Color.RED);
canvas.addKeyListener(this);
add(canvas, BorderLayout.CENTER);
setVisible(true);
}
public void middle(Point p) {
Point loc = getLocationOnScreen();
Dimension size = getSize();
p.setLocation(loc.x + (size.width / 2), loc.y + (size.height / 2));
}
@Override
public void keyTyped(KeyEvent ignore) {}
@Override
public void keyPressed(KeyEvent e) {
passed.set(true);
}
@Override
public void keyReleased(KeyEvent ignore) {}
public static void main(String[] args) throws InterruptedException,
InvocationTargetException, AWTException {
KeyDownCaptureTest test = new KeyDownCaptureTest();
try {
EventQueue.invokeAndWait((test::initUI));
Robot robot = new Robot();
robot.setAutoDelay(50);
robot.delay(500);
robot.waitForIdle();
Point target = new Point();
EventQueue.invokeAndWait(() -> {
test.middle(target);
});
robot.mouseMove(target.x, target.y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.keyPress(KeyEvent.VK_SPACE);
robot.keyRelease(KeyEvent.VK_SPACE);
robot.delay(100);
robot.waitForIdle();
if (!passed.get()) {
throw new RuntimeException("KeyPressed has not arrived to canvas");
}
} finally {
if (test != null) {
EventQueue.invokeAndWait(test::dispose);
}
}
}
}
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