135 lines
4.9 KiB
Java
135 lines
4.9 KiB
Java
/*
|
|
* Copyright (c) 2003, 2024, 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.
|
|
*/
|
|
|
|
import java.awt.EventQueue;
|
|
import java.awt.Frame;
|
|
import java.awt.Panel;
|
|
import java.awt.Point;
|
|
import java.awt.Robot;
|
|
import java.awt.dnd.DnDConstants;
|
|
import java.awt.dnd.DragGestureListener;
|
|
import java.awt.dnd.DragSource;
|
|
import java.awt.event.InputEvent;
|
|
import java.awt.event.MouseEvent;
|
|
import java.awt.event.MouseMotionAdapter;
|
|
|
|
/*
|
|
@test
|
|
@key headful
|
|
@bug 4415175
|
|
@summary tests DragSource.getDragThreshold() and
|
|
that the AWT default drag gesture recognizers
|
|
honor the drag gesture motion threshold
|
|
*/
|
|
|
|
public class DragThresholdTest {
|
|
private static Frame frame;
|
|
private static Panel panel;
|
|
private static MouseEvent lastMouseEvent;
|
|
private static volatile boolean failed;
|
|
private static volatile Point startPoint;
|
|
private static volatile Point endPoint;
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
try {
|
|
Robot robot = new Robot();
|
|
|
|
EventQueue.invokeAndWait(DragThresholdTest::createAndShowDnD);
|
|
robot.waitForIdle();
|
|
robot.delay(1000);
|
|
|
|
EventQueue.invokeAndWait(() -> {
|
|
Point p = panel.getLocationOnScreen();
|
|
p.translate(50, 50);
|
|
startPoint = p;
|
|
endPoint = new Point(p.x + 2 * DragSource.getDragThreshold(),
|
|
p.y + 2 * DragSource.getDragThreshold());
|
|
});
|
|
|
|
robot.mouseMove(startPoint.x, startPoint.y);
|
|
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
|
|
for (Point p = new Point(startPoint); !p.equals(endPoint);
|
|
p.translate(sign(endPoint.x - p.x),
|
|
sign(endPoint.y - p.y))) {
|
|
robot.mouseMove(p.x, p.y);
|
|
robot.delay(100);
|
|
}
|
|
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
|
|
robot.waitForIdle();
|
|
robot.delay(200);
|
|
|
|
if (failed) {
|
|
throw new RuntimeException("drag gesture recognized too early");
|
|
}
|
|
} finally {
|
|
EventQueue.invokeAndWait(() -> {
|
|
if (frame != null) {
|
|
frame.dispose();
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
private static void createAndShowDnD() {
|
|
frame = new Frame("DragThresholdTest");
|
|
panel = new Panel();
|
|
// Mouse motion listener mml is added to the panel first.
|
|
// We rely on it that this listener will be called first.
|
|
panel.addMouseMotionListener(new MouseMotionAdapter() {
|
|
public void mouseDragged(MouseEvent evt) {
|
|
lastMouseEvent = evt;
|
|
System.out.println(evt);
|
|
}
|
|
});
|
|
frame.add(panel);
|
|
frame.setSize(200, 200);
|
|
frame.setLocationRelativeTo(null);
|
|
|
|
DragGestureListener dgl = dge -> {
|
|
Point dragOrigin = dge.getDragOrigin();
|
|
int diffx = Math.abs(dragOrigin.x - lastMouseEvent.getX());
|
|
int diffy = Math.abs(dragOrigin.y - lastMouseEvent.getY());
|
|
System.out.println("dragGestureRecognized(): " +
|
|
" diffx=" + diffx + " diffy=" + diffy +
|
|
" DragSource.getDragThreshold()="
|
|
+ DragSource.getDragThreshold());
|
|
if (diffx <= DragSource.getDragThreshold() &&
|
|
diffy <= DragSource.getDragThreshold()) {
|
|
failed = true;
|
|
System.out.println("drag gesture recognized too early!");
|
|
}
|
|
};
|
|
|
|
// Default drag gesture recognizer is a mouse motion listener.
|
|
// It is added to the panel second.
|
|
new DragSource().createDefaultDragGestureRecognizer(
|
|
panel,
|
|
DnDConstants.ACTION_COPY_OR_MOVE, dgl);
|
|
frame.setVisible(true);
|
|
}
|
|
|
|
private static int sign(int n) {
|
|
return Integer.compare(n, 0);
|
|
}
|
|
}
|