1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.awt.Dialog;
  25 import java.awt.Frame;
  26 import java.awt.Point;
  27 import java.awt.Robot;
  28 import java.awt.Window;
  29 import java.awt.datatransfer.DataFlavor;
  30 import java.awt.datatransfer.Transferable;
  31 import java.awt.dnd.DnDConstants;
  32 import java.awt.dnd.DragGestureEvent;
  33 import java.awt.dnd.DragGestureListener;
  34 import java.awt.dnd.DragSource;
  35 import java.awt.dnd.DropTarget;
  36 import java.awt.dnd.DropTargetDragEvent;
  37 import java.awt.dnd.DropTargetDropEvent;
  38 import java.awt.dnd.DropTargetEvent;
  39 import java.awt.dnd.DropTargetListener;
  40 import java.awt.event.InputEvent;
  41 import java.awt.event.MouseAdapter;
  42 import java.awt.event.MouseEvent;
  43 
  44 /*
  45  * @test
  46  * @key headful
  47  * @bug 8134917
  48  * @summary [macosx] JOptionPane doesn't receive mouse events when opened from a drop event
  49  * @author Alexandr Scherbatiy
  50  */
  51 public class MissingEventsOnModalDialogTest {
  52 
  53     private static volatile boolean passed = false;
  54 
  55     public static void main(String[] args) throws Exception {
  56         Frame sourceFrame = createFrame("Source Frame", 0, 0);
  57         Frame targetFrame = createFrame("Target Frame", 250, 250);
  58 
  59         DragSource defaultDragSource
  60                 = DragSource.getDefaultDragSource();
  61         defaultDragSource.createDefaultDragGestureRecognizer(sourceFrame,
  62                 DnDConstants.ACTION_COPY_OR_MOVE,
  63                 new TestDragGestureListener());
  64         new DropTarget(targetFrame, DnDConstants.ACTION_COPY_OR_MOVE,
  65                 new TestDropTargetListener(targetFrame));
  66 
  67         Robot robot = new Robot();
  68         robot.setAutoDelay(50);
  69 
  70         sourceFrame.toFront();
  71         robot.waitForIdle();
  72 
  73         Point point = getCenterPoint(sourceFrame);
  74         robot.mouseMove(point.x, point.y);
  75         robot.waitForIdle();
  76 
  77         mouseDragAndDrop(robot, point, getCenterPoint(targetFrame));
  78 
  79         long time = System.currentTimeMillis() + 1000;
  80 
  81         while (!passed) {
  82             if (time < System.currentTimeMillis()) {
  83                 sourceFrame.dispose();
  84                 targetFrame.dispose();
  85                 throw new RuntimeException("Mouse clicked event is lost!");
  86             }
  87             Thread.sleep(10);
  88         }
  89         sourceFrame.dispose();
  90         targetFrame.dispose();
  91     }
  92 
  93     private static Frame createFrame(String title, int x, int y) {
  94         Frame frame = new Frame();
  95         frame.setSize(200, 200);
  96         frame.setLocation(x, y);
  97         frame.setTitle(title);
  98         frame.setVisible(true);
  99         return frame;
 100     }
 101 
 102     private static Point getCenterPoint(Window window) {
 103         Point centerPoint = window.getLocationOnScreen();
 104         centerPoint.translate(window.getWidth() / 2, window.getHeight() / 2);
 105         return centerPoint;
 106     }
 107 
 108     public static void mouseDragAndDrop(Robot robot, Point from, Point to) {
 109         mouseDND(robot, from.x, from.y, to.x, to.y);
 110     }
 111 
 112     public static void mouseDND(Robot robot, int x1, int y1, int x2, int y2) {
 113 
 114         int N = 20;
 115         int x = x1;
 116         int y = y1;
 117         int dx = (x2 - x1) / N;
 118         int dy = (y2 - y1) / N;
 119 
 120         robot.mousePress(InputEvent.BUTTON1_MASK);
 121 
 122         for (int i = 0; i < N; i++) {
 123             robot.mouseMove(x += dx, y += dy);
 124         }
 125 
 126         robot.mouseRelease(InputEvent.BUTTON1_MASK);
 127     }
 128 
 129     private static class TestDragGestureListener implements DragGestureListener {
 130 
 131         public void dragGestureRecognized(DragGestureEvent dge) {
 132             dge.startDrag(null, new StringTransferable());
 133         }
 134     }
 135 
 136     static class StringTransferable implements Transferable {
 137 
 138         @Override
 139         public DataFlavor[] getTransferDataFlavors() {
 140             return new DataFlavor[]{DataFlavor.stringFlavor};
 141         }
 142 
 143         @Override
 144         public boolean isDataFlavorSupported(DataFlavor flavor) {
 145             return flavor.equals(DataFlavor.stringFlavor);
 146         }
 147 
 148         @Override
 149         public Object getTransferData(DataFlavor flavor) {
 150             return "Hello World!";
 151         }
 152     }
 153 
 154     private static class TestDropTargetListener implements DropTargetListener {
 155 
 156         private final Frame targetFrame;
 157 
 158         public TestDropTargetListener(Frame targetFrame) {
 159             this.targetFrame = targetFrame;
 160         }
 161 
 162         @Override
 163         public void dragEnter(DropTargetDragEvent dtde) {
 164             dtde.acceptDrag(dtde.getDropAction());
 165         }
 166 
 167         @Override
 168         public void dragOver(DropTargetDragEvent dtde) {
 169             dtde.acceptDrag(dtde.getDropAction());
 170         }
 171 
 172         @Override
 173         public void dropActionChanged(DropTargetDragEvent dtde) {
 174             dtde.acceptDrag(dtde.getDropAction());
 175         }
 176 
 177         @Override
 178         public void dragExit(DropTargetEvent dte) {
 179         }
 180 
 181         @Override
 182         public void drop(DropTargetDropEvent dtde) {
 183             dtde.acceptDrop(dtde.getDropAction());
 184             showModalDialog(targetFrame);
 185             dtde.dropComplete(true);
 186         }
 187     }
 188 
 189     private static void showModalDialog(Frame targetFrame) {
 190 
 191         Dialog dialog = new Dialog(targetFrame, true);
 192 
 193         dialog.addMouseListener(new MouseAdapter() {
 194 
 195             @Override
 196             public void mouseClicked(MouseEvent e) {
 197                 passed = true;
 198                 dialog.dispose();
 199             }
 200         });
 201 
 202         dialog.setSize(400, 300);
 203         dialog.setTitle("Modal Dialog!");
 204 
 205         clickOnModalDialog(dialog);
 206         dialog.setVisible(true);
 207     }
 208 
 209     private static void clickOnModalDialog(Dialog dialog) {
 210         new Thread(() -> {
 211             clickOnDialog(dialog);
 212         }).start();
 213     }
 214 
 215     private static void clickOnDialog(Dialog dialog) {
 216         try {
 217             long time = System.currentTimeMillis() + 200;
 218 
 219             while (!dialog.isVisible()) {
 220                 if (time < System.currentTimeMillis()) {
 221                     throw new RuntimeException("Dialog is not visible!");
 222                 }
 223                 Thread.sleep(10);
 224             }
 225             Robot robot = new Robot();
 226             robot.setAutoDelay(50);
 227             robot.waitForIdle();
 228             robot.delay(200);
 229 
 230             Point point = getCenterPoint(dialog);
 231 
 232             robot.mouseMove(point.x, point.y);
 233             robot.mousePress(InputEvent.BUTTON1_MASK);
 234             robot.mouseRelease(InputEvent.BUTTON1_MASK);
 235 
 236         } catch (Exception e) {
 237             throw new RuntimeException(e);
 238         }
 239     }
 240 }