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/*
* Copyright (c) 1998, 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 4174399
* @summary Check that modifier values are set on a KeyPressed event
* when a modifier key is pressed.
* @key headful
* @run main KeyPressedModifiers
*/
import java.awt.AWTException;
import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Robot;
import java.awt.TextField;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.lang.reflect.InvocationTargetException;
import java.util.concurrent.atomic.AtomicBoolean;
public class KeyPressedModifiers extends Frame implements KeyListener {
static AtomicBoolean shiftDown = new AtomicBoolean(false);
static AtomicBoolean controlDown = new AtomicBoolean(false);
static AtomicBoolean altDown = new AtomicBoolean(false);
public static void main(String[] args) throws InterruptedException,
InvocationTargetException, AWTException {
KeyPressedModifiers test = new KeyPressedModifiers();
try {
EventQueue.invokeAndWait(test::initUI);
Robot robot = new Robot();
robot.setAutoDelay(100);
robot.delay(500);
robot.waitForIdle();
robot.keyPress(KeyEvent.VK_SHIFT);
robot.keyRelease(KeyEvent.VK_SHIFT);
robot.keyPress(KeyEvent.VK_CONTROL);
robot.keyRelease(KeyEvent.VK_CONTROL);
robot.keyPress(KeyEvent.VK_ALT);
robot.keyRelease(KeyEvent.VK_ALT);
robot.delay(500);
robot.waitForIdle();
if (!shiftDown.get() || !controlDown.get() || !altDown.get()) {
String error = "Following key modifiers were not registered:" +
(shiftDown.get() ? "" : " SHIFT") +
(controlDown.get() ? "" : " CONTROL") +
(altDown.get() ? "" : " ALT");
throw new RuntimeException(error);
}
} finally {
EventQueue.invokeAndWait(test::dispose);
}
}
public void initUI() {
setLayout(new BorderLayout());
TextField tf = new TextField(30);
tf.addKeyListener(this);
add(tf, BorderLayout.CENTER);
setSize(350, 100);
setVisible(true);
tf.requestFocus();
}
public void keyTyped(KeyEvent ignore) {
}
public void keyReleased(KeyEvent ignore) {
}
public void keyPressed(KeyEvent e) {
System.out.println(e);
switch (e.getKeyCode()) {
case KeyEvent.VK_SHIFT:
shiftDown.set(e.isShiftDown());
break;
case KeyEvent.VK_CONTROL:
controlDown.set(e.isControlDown());
break;
case KeyEvent.VK_ALT:
altDown.set(e.isAltDown());
break;
}
}
}
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