| /* |
| * 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")); |
| } |
| } |
| } |