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/*
* Copyright (c) 2001, 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 4516490
@summary verifies that autoscroll is stopped when the drop happens
@key headful
@run main AutoscrollStopTest
*/
import java.awt.AWTException;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Insets;
import java.awt.Point;
import java.awt.Robot;
import java.awt.datatransfer.StringSelection;
import java.awt.datatransfer.Transferable;
import java.awt.dnd.Autoscroll;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DragGestureEvent;
import java.awt.dnd.DragGestureListener;
import java.awt.dnd.DragGestureRecognizer;
import java.awt.dnd.DragSource;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetAdapter;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.dnd.DropTargetListener;
import java.awt.event.InputEvent;
public class AutoscrollStopTest extends Frame implements Autoscroll {
static volatile AutoscrollStopTest test = null;
volatile boolean dropHappened = false;
final DragSource dragSource = DragSource.getDefaultDragSource();
final Transferable transferable = new StringSelection("TEXT");
final DragGestureListener dragGestureListener = new DragGestureListener() {
public void dragGestureRecognized(DragGestureEvent dge) {
dge.startDrag(null, transferable);
}
};
final DragGestureRecognizer dragGestureRecognizer =
dragSource.createDefaultDragGestureRecognizer(
this, DnDConstants.ACTION_COPY_OR_MOVE,
dragGestureListener);
final DropTargetListener dropTargetListener = new DropTargetAdapter() {
public void drop(DropTargetDropEvent e) {
e.rejectDrop();
dropHappened = true;
}
};
final DropTarget dropTarget = new DropTarget(this, dropTargetListener);
public static void main(String[] args) throws Exception {
EventQueue.invokeAndWait(() -> {
test = new AutoscrollStopTest();
test.createUI();
});
try {
test.start();
} finally {
EventQueue.invokeAndWait(test::dispose);
}
}
public static int sign(int n) {
return Integer.compare(n, 0);
}
public void createUI() {
setTitle("AutoscrollStopTest");
setMinimumSize(new Dimension(200, 200));
setLocationRelativeTo(null);
setVisible(true);
}
public void start() throws AWTException {
final Robot robot = new Robot();
try {
robot.setAutoWaitForIdle(true);
robot.setAutoDelay(50);
robot.waitForIdle();
robot.delay(1000);
final Point srcPoint = this.getLocationOnScreen();
final Dimension d = this.getSize();
srcPoint.translate(d.width / 2, d.height / 2);
final Point dstPoint = new Point(srcPoint);
dstPoint.translate(d.width / 4, d.height / 4);
robot.mouseMove(srcPoint.x, srcPoint.y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
for (;!srcPoint.equals(dstPoint);
srcPoint.translate(sign(dstPoint.x - srcPoint.x),
sign(dstPoint.y - srcPoint.y))) {
robot.mouseMove(srcPoint.x, srcPoint.y);
}
} finally {
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
}
}
public Insets getAutoscrollInsets() {
final Dimension d = this.getSize();
return new Insets(d.height / 2, d.width / 2,
d.height / 2, d.width / 2);
}
public void autoscroll(Point cursorLocation) {
if (dropHappened) {
throw new RuntimeException("Test failed");
}
}
}
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