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/*
* Copyright (c) 1998, 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 4092418
@summary Test for drag events been taking by Lightweight Component
@key headful
@run main LWClobberDragEvent
*/
import java.awt.AWTException;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
public class LWClobberDragEvent implements MouseListener, MouseMotionListener {
boolean isDragging;
static Frame frame;
LightweightComp lc;
final static int LWWidth = 200;
final static int LWHeight = 100;
final static int MAX_COUNT = 100;
Point locationOfLW;
public static void main(String[] args) throws Exception {
LWClobberDragEvent test = new LWClobberDragEvent();
try {
test.init();
test.start();
} finally {
EventQueue.invokeAndWait(() -> {
if (frame != null) {
frame.dispose();
}
});
}
}
public void init() throws Exception {
EventQueue.invokeAndWait(() -> {
frame = new Frame();
frame.setLayout(new BorderLayout());
isDragging = false;
frame.addMouseMotionListener(this);
frame.addMouseListener(this);
frame.setBackground(Color.white);
lc = new LightweightComp();
lc.setSize(LWWidth, LWHeight);
lc.setLocation(50, 50);
lc.addMouseListener(this);
lc.addMouseMotionListener(this);
frame.add(lc);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
});
}
public void start() throws Exception {
Robot robot = new Robot();
robot.delay(1000);
robot.waitForIdle();
EventQueue.invokeAndWait(() -> {
locationOfLW = getLocation(lc);
robot.mouseMove(locationOfLW.x + lc.getWidth() / 2,
locationOfLW.y - lc.getHeight() / 2);
});
robot.mousePress(InputEvent.BUTTON1_MASK);
robot.delay(1000);
//move mouse till the bottom of LWComponent
for (int i = 1; i < LWHeight + lc.getHeight() / 2; i++) {
robot.mouseMove(locationOfLW.x + lc.getWidth() / 2,
locationOfLW.y - lc.getHeight() / 2 + i);
}
robot.mouseRelease(InputEvent.BUTTON1_MASK);
robot.delay(1000);
System.out.println("Test Passed.");
}
public void mouseClicked(MouseEvent evt) { }
public void mouseReleased(MouseEvent evt) {
if (evt.getSource() == this) {
if (isDragging) {
isDragging = false;
}
} else {
}
}
public Point getLocation( Component co ) throws RuntimeException {
Point pt = null;
boolean bFound = false;
int count = 0;
while ( !bFound ) {
try {
pt = co.getLocationOnScreen();
bFound = true;
} catch ( Exception ex ) {
bFound = false;
count++;
}
if ( !bFound && count > MAX_COUNT ) {
throw new RuntimeException("don't see a component to get location");
}
}
return pt;
}
public void mousePressed(MouseEvent evt) { }
public void mouseEntered(MouseEvent evt) { }
public void mouseExited(MouseEvent evt) { }
public void mouseMoved(MouseEvent evt) { }
public void mouseDragged(MouseEvent evt) {
if (evt.getSource() == this) {
if (!isDragging) {
isDragging = true;
}
} else {
if (isDragging) {
throw new RuntimeException("Test failed: Lightweight got dragging event.");
}
}
}
}
class LightweightComp extends Component {
public void paint(Graphics g) {
Dimension d = getSize();
g.setColor(Color.red);
g.fillRect(0, 0, d.width, d.height);
}
}
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