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/*
* Copyright (c) 2005, 2023, 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 4957639
@summary REGRESSION: blocked mouse input in a special case on win32
@key headful
@run main BlockedMouseInputTest
*/
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.ItemEvent;
import java.awt.event.ItemListener;
import javax.swing.JComboBox;
import javax.swing.JDialog;
/*
* Threads:
* 0) Main - running others, checking
* 1) First - opening first dialog
* 2) Second - opening second dialog, generating item state changed events
* We need 1 and 2 thread in order to don't block main thread
*/
public class BlockedMouseInputTest implements ItemListener {
Frame frame = null;
ThreadDialog thread1 = null;
ThreadDialog thread2 = null;
// If we recreate dialogs in the Threads classes then the test works fine
JComboBox<String> cb = null;
JDialog dialog1 = null;
JDialog dialog2 = null;
Robot r = null;
volatile Point loc = null;
volatile int cbWidth;
volatile int cbHeight;
volatile int selected;
volatile boolean passed = false;
public static void main(String[] args) throws Exception {
BlockedMouseInputTest test = new BlockedMouseInputTest();
test.start();
}
public void start() throws Exception {
try {
r = new Robot();
EventQueue.invokeAndWait(() -> {
frame = new Frame("Parent frame");
frame.setSize(200, 200);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
});
test();
} finally {
EventQueue.invokeAndWait(() -> {
if (frame != null) {
frame.dispose();
}
if (dialog1 != null) {
dialog1.dispose();
}
if (dialog2 != null) {
dialog2.dispose();
}
});
}
}
private void test() throws Exception {
// The state of the combobox should stay the same to new iteration of the cycle
// We couldn't run the thread twice
EventQueue.invokeAndWait(() -> {
cb = new JComboBox<String>(new String[]{"entry a", "entry b",
"entry c", "entry d", "entry e"});
dialog1 = new JDialog(frame, "dialog1", true);
dialog2 = new JDialog(frame, "dialog2", true);
dialog2.getContentPane().add(cb);
cb.addItemListener(this);
dialog1.setLocation(20, 20);
dialog1.setSize(new Dimension(150, 50));
dialog2.setLocation(120, 120);
dialog2.setSize(new Dimension(150, 50));
});
for (int i = 0; i < 2; i++) {
passed = false;
tryGenerateEvent();
if (!passed && i != 0) {
throw new RuntimeException("Test failed: triggering not occurred, iteration - " + i);
}
}
}
private void tryGenerateEvent() throws Exception {
EventQueue.invokeAndWait(() -> {
thread1 = new ThreadDialog(dialog1);
thread2 = new ThreadDialog(dialog2);
});
thread1.start();
r.delay(500);
r.waitForIdle();
thread2.start();
r.delay(500);
r.waitForIdle();
doRobotAction();
EventQueue.invokeAndWait(() -> {
dialog2.setVisible(false);
dialog1.setVisible(false);
});
}
public void itemStateChanged(ItemEvent ie) {
passed = true;
System.out.println("event: "+ie);
}
public void doRobotAction() throws Exception {
EventQueue.invokeAndWait(() -> {
loc = cb.getLocationOnScreen();
cbWidth = cb.getWidth();
cbHeight = cb.getHeight();
});
r.mouseMove(loc.x + cbWidth / 2, loc.y + cbHeight / 2);
r.delay(500);
r.mousePress(InputEvent.BUTTON1_DOWN_MASK);
r.delay(500);
r.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
r.delay(500);
EventQueue.invokeAndWait(() -> {
selected = cb.getSelectedIndex();
});
r.mouseMove(loc.x + cbWidth / 2, loc.y + cbHeight * ((selected == 0) ? 2 : 1) + 10);
r.delay(500);
r.mousePress(InputEvent.BUTTON1_DOWN_MASK);
r.delay(500);
r.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
r.delay(500);
r.waitForIdle();
}
}
class ThreadDialog extends Thread {
JDialog dialog = null;
public ThreadDialog(JDialog dialog){
this.dialog = dialog;
}
public void run() {
dialog.setVisible(true);
}
}
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