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/*
* Copyright (c) 2000, 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.
*/
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Label;
import java.awt.Point;
import java.awt.Robot;
import java.awt.datatransfer.DataFlavor;
import java.awt.datatransfer.Transferable;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DropTarget;
import java.awt.dnd.DropTargetContext;
import java.awt.dnd.DropTargetDragEvent;
import java.awt.dnd.DropTargetDropEvent;
import java.awt.dnd.DropTargetEvent;
import java.awt.dnd.DropTargetListener;
import java.awt.event.InputEvent;
/*
@test
@bug 4399700
@summary tests that Motif drag support for label widget doesn't cause
crash when used for drag and drop from label to Java drop target
@key headful
@run main NativeDragJavaDropTest
*/
public class NativeDragJavaDropTest {
volatile Frame frame;
volatile DropTargetLabel label;
volatile Point p;
volatile Dimension d;
public static final int FRAME_ACTIVATION_TIMEOUT = 1000;
public static final int DRAG_START_TIMEOUT = 500;
public static final int DROP_COMPLETION_TIMEOUT = 2000;
public static void main(String[] args) throws Exception {
NativeDragJavaDropTest test = new NativeDragJavaDropTest();
EventQueue.invokeAndWait(test::init);
try {
test.start();
} finally {
EventQueue.invokeAndWait(() -> {
if (test.frame != null) {
test.frame.dispose();
}
});
}
}
public void init() {
frame = new Frame();
label = new DropTargetLabel();
frame.setTitle("NativeDragJavaDropTest");
frame.setLocation(200, 200);
frame.add(label);
frame.pack();
frame.setVisible(true);
}
public void start() throws Exception {
Robot robot = new Robot();
robot.waitForIdle();
Thread.sleep(FRAME_ACTIVATION_TIMEOUT);
EventQueue.invokeAndWait(() -> {
p = label.getLocationOnScreen();
d = label.getSize();
});
p.translate(d.width / 2, d.height / 2);
robot.mouseMove(p.x, p.y);
robot.mousePress(InputEvent.BUTTON2_MASK);
Thread.sleep(DRAG_START_TIMEOUT);
robot.mouseRelease(InputEvent.BUTTON2_MASK);
Thread.sleep(DROP_COMPLETION_TIMEOUT);
}
}
class DropTargetLabel extends Label implements DropTargetListener {
final Dimension preferredDimension = new Dimension(200, 100);
public DropTargetLabel() {
super("Label");
setDropTarget(new DropTarget(this, this));
}
public Dimension getPreferredSize() {
return preferredDimension;
}
public void dragEnter(DropTargetDragEvent dtde) {}
public void dragExit(DropTargetEvent dte) {}
public void dragOver(DropTargetDragEvent dtde) {}
public void dropActionChanged(DropTargetDragEvent dtde) {}
public void drop(DropTargetDropEvent dtde) {
DropTargetContext dtc = dtde.getDropTargetContext();
if ((dtde.getSourceActions() & DnDConstants.ACTION_COPY) != 0) {
dtde.acceptDrop(DnDConstants.ACTION_COPY);
} else {
dtde.rejectDrop();
}
DataFlavor[] dfs = dtde.getCurrentDataFlavors();
if (dfs != null && dfs.length >= 1) {
Transferable transfer = dtde.getTransferable();
try {
Object obj = (Object)transfer.getTransferData(dfs[0]);
} catch (Throwable e) {
e.printStackTrace();
dtc.dropComplete(false);
}
}
dtc.dropComplete(true);
}
}
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