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/*
* Copyright (c) 2013, 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
* @key headful
* @bug 8024163
* @summary Checks the dragEnter event is correctly generated
* @library ../../regtesthelpers
* @build Util
* @compile ExtraDragEnterTest.java
* @run main/othervm ExtraDragEnterTest
* @author Petr Pchelko
*/
import test.java.awt.regtesthelpers.Util;
import javax.swing.*;
import java.awt.*;
import java.awt.datatransfer.StringSelection;
import java.awt.dnd.DnDConstants;
import java.awt.dnd.DragGestureEvent;
import java.awt.dnd.DragGestureListener;
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.event.InputEvent;
import java.util.concurrent.atomic.AtomicInteger;
public class ExtraDragEnterTest {
private static final int FRAME_SIZE = 100;
private static final int FRAME_LOCATION = 100;
private static AtomicInteger dragEnterCalled = new AtomicInteger(0);
private static volatile Panel mainPanel;
private static volatile Frame f;
private static void initAndShowUI() {
f = new Frame("Test frame");
f.setBounds(FRAME_LOCATION,FRAME_LOCATION,FRAME_SIZE,FRAME_SIZE);
mainPanel = new Panel();
mainPanel.setBounds(0, 0, FRAME_SIZE, FRAME_SIZE);
mainPanel.setBackground(Color.black);
mainPanel.setLayout(new GridLayout(2, 1));
final DraggablePanel dragSource = new DraggablePanel();
dragSource.setBackground(Color.yellow);
dragSource.setDropTarget(null);
mainPanel.add(dragSource);
Panel dropTarget = new Panel();
dropTarget.setBackground(Color.red);
DropTarget dt = new DropTarget(dropTarget, new DropTargetAdapter() {
@Override public void drop(DropTargetDropEvent dtde) { }
@Override
public void dragEnter(DropTargetDragEvent dtde) {
dragEnterCalled.incrementAndGet();
}
});
dropTarget.setDropTarget(dt);
mainPanel.add(dropTarget);
f.add(mainPanel);
f.setVisible(true);
}
public static void main(String[] args) throws Throwable {
try {
SwingUtilities.invokeAndWait(new Runnable() {
@Override
public void run() {
initAndShowUI();
}
});
Robot r = new Robot();
Util.waitForIdle(r);
Point leftCorner = new Point(mainPanel.getLocationOnScreen());
leftCorner.translate(5, 5);
Point rightCorner = new Point(mainPanel.getLocationOnScreen());
rightCorner.translate(mainPanel.getWidth(), mainPanel.getHeight());
rightCorner.translate(-5, -5);
Util.drag(r, leftCorner, rightCorner, InputEvent.BUTTON1_MASK);
Util.waitForIdle(r);
int called = dragEnterCalled.get();
if (called != 1) {
throw new RuntimeException("Failed. Drag enter called " + called + " times. Expected 1" );
}
} finally {
if (f != null) {
f.dispose();
}
}
}
private static class DraggablePanel extends Panel implements DragGestureListener {
public DraggablePanel() {
(new DragSource()).createDefaultDragGestureRecognizer(this, DnDConstants.ACTION_COPY, this);
}
@Override
public void dragGestureRecognized(DragGestureEvent dge) {
dge.startDrag(Cursor.getDefaultCursor(), new StringSelection("test"));
}
}
}
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