jdk-24/test/jdk/java/awt/dnd/RejectDragDropActionTest.java
2023-10-12 22:02:16 +00:00

125 lines
4.4 KiB
Java

/*
* Copyright (c) 2003, 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 4774532
@summary tests that DropTargetDragEvent.getDropAction() returns correct value
after DropTargetDragEvent.rejectDrag()
@key headful
@run main/timeout=300 RejectDragDropActionTest
*/
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Point;
import java.awt.Robot;
import java.awt.datatransfer.StringSelection;
import java.awt.dnd.DnDConstants;
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.DropTargetDragEvent;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.dnd.DropTargetListener;
import java.awt.event.InputEvent;
public class RejectDragDropActionTest {
private static volatile boolean incorrectActionDetected = false;
private static final int DELAY_TIME = 500;
private static Frame frame;
private static DragSource ds;
private static DragGestureListener dgl;
private static DragGestureRecognizer dgr;
private final DropTargetListener dtl = new DropTargetAdapter() {
public void dragEnter(DropTargetDragEvent dtde) {
dtde.rejectDrag();
}
public void dragOver(DropTargetDragEvent dtde) {
if (dtde.getDropAction() == DnDConstants.ACTION_NONE) {
incorrectActionDetected = true;
}
}
public void drop(DropTargetDropEvent dtde) {
dtde.rejectDrop();
}
};
private final DropTarget dt = new DropTarget(frame, dtl);
public static void main(String[] args) throws Exception {
EventQueue.invokeAndWait(() -> {
frame = new Frame("RejectDragDropActionTest");
ds = DragSource.getDefaultDragSource();
dgl = dge -> dge.startDrag(null, new StringSelection("OOKK"));
dgr = ds.createDefaultDragGestureRecognizer(frame,
DnDConstants.ACTION_COPY, dgl);
frame.setSize(200, 200);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
});
try {
Robot robot = new Robot();
robot.setAutoWaitForIdle(true);
robot.waitForIdle();
robot.delay(DELAY_TIME);
Point startPoint = frame.getLocationOnScreen();
Point endPoint = new Point(startPoint);
startPoint.translate(50, 50);
endPoint.translate(150, 150);
robot.mouseMove(startPoint.x, startPoint.y);
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
for (Point p = new Point(startPoint);
!p.equals(endPoint) && !incorrectActionDetected;
p.translate(sign(endPoint.x - p.x),
sign(endPoint.y - p.y))) {
robot.mouseMove(p.x, p.y);
}
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
} finally {
EventQueue.invokeAndWait(() -> {
if (frame != null) {
frame.dispose();
}
});
}
if (incorrectActionDetected) {
throw new RuntimeException("User action reported incorrectly.");
}
}
public static int sign(int n) {
return n < 0 ? -1 : n == 0 ? 0 : 1;
}
}