1 /* 2 * Copyright (c) 2005, 2012, 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 /* 25 * @test 26 * @key headful 27 * @bug 7154048 28 * @summary Window created under a mouse does not receive mouse enter event. 29 * Mouse Entered/Exited events are wrongly generated during dragging the window 30 * from one component to another 31 * @library ../../regtesthelpers 32 * @build Util 33 * @author alexandr.scherbatiy area=awt.event 34 * @run main DragWindowTest 35 */ 36 37 import java.awt.*; 38 import java.awt.event.*; 39 import javax.swing.*; 40 41 import java.util.concurrent.*; 42 43 import test.java.awt.regtesthelpers.Util; 44 45 public class DragWindowTest { 46 47 private static volatile int dragWindowMouseEnteredCount = 0; 48 private static volatile int dragWindowMouseReleasedCount = 0; 49 private static volatile int buttonMouseEnteredCount = 0; 50 private static volatile int labelMouseReleasedCount = 0; 51 private static MyDragWindow dragWindow; 52 private static JLabel label; 53 private static JButton button; 54 55 public static void main(String[] args) throws Exception { 56 57 Robot robot = new Robot(); 58 robot.setAutoDelay(50); 59 60 SwingUtilities.invokeAndWait(new Runnable() { 61 62 @Override 63 public void run() { 64 createAndShowGUI(); 65 } 66 }); 67 68 robot.waitForIdle(); 69 70 Point pointToClick = Util.invokeOnEDT(new Callable<Point>() { 71 72 @Override 73 public Point call() throws Exception { 74 return getCenterPoint(label); 75 } 76 }); 77 78 79 robot.mouseMove(pointToClick.x, pointToClick.y); 80 robot.mousePress(InputEvent.BUTTON1_MASK); 81 robot.waitForIdle(); 82 83 if (dragWindowMouseEnteredCount != 1) { 84 throw new RuntimeException("No MouseEntered event on Drag Window!"); 85 } 86 87 Point pointToDrag = Util.invokeOnEDT(new Callable<Point>() { 88 89 @Override 90 public Point call() throws Exception { 91 button.addMouseListener(new ButtonMouseListener()); 92 return getCenterPoint(button); 93 } 94 }); 95 96 robot.mouseMove(pointToDrag.x, pointToDrag.y); 97 robot.waitForIdle(); 98 99 if (buttonMouseEnteredCount != 0) { 100 throw new RuntimeException("Extra MouseEntered event on button!"); 101 } 102 103 robot.mouseRelease(InputEvent.BUTTON1_MASK); 104 robot.waitForIdle(); 105 106 if (labelMouseReleasedCount != 1) { 107 throw new RuntimeException("No MouseReleased event on label!"); 108 } 109 110 } 111 112 private static Point getCenterPoint(Component comp) { 113 Point p = comp.getLocationOnScreen(); 114 Rectangle rect = comp.getBounds(); 115 return new Point(p.x + rect.width / 2, p.y + rect.height / 2); 116 } 117 118 private static void createAndShowGUI() { 119 120 JFrame frame = new JFrame("Main Frame"); 121 frame.setSize(300, 200); 122 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 123 124 label = new JLabel("Label"); 125 126 LabelMouseListener listener = new LabelMouseListener(frame); 127 label.addMouseListener(listener); 128 label.addMouseMotionListener(listener); 129 130 button = new JButton("Button"); 131 Panel panel = new Panel(new BorderLayout()); 132 133 panel.add(label, BorderLayout.NORTH); 134 panel.add(button, BorderLayout.CENTER); 135 136 frame.getContentPane().add(panel); 137 frame.setVisible(true); 138 139 } 140 141 private static Point getAbsoluteLocation(MouseEvent e) { 142 return new Point(e.getXOnScreen(), e.getYOnScreen()); 143 } 144 145 static class MyDragWindow extends Window { 146 147 static int d = 30; 148 149 public MyDragWindow(Window parent, Point location) { 150 super(parent); 151 setSize(150, 150); 152 setVisible(true); 153 JPanel panel = new JPanel(); 154 add(panel); 155 setLocation(location.x - d, location.y - d); 156 addMouseListener(new DragWindowMouseListener()); 157 } 158 159 void dragTo(Point point) { 160 setLocation(point.x - d, point.y - d); 161 } 162 } 163 164 static class LabelMouseListener extends MouseAdapter { 165 166 Point origin; 167 Window parent; 168 169 public LabelMouseListener(Window parent) { 170 this.parent = parent; 171 } 172 173 @Override 174 public void mousePressed(MouseEvent e) { 175 if (dragWindow == null) { 176 dragWindow = new MyDragWindow(parent, getAbsoluteLocation(e)); 177 } else { 178 dragWindow.setVisible(true); 179 dragWindow.dragTo(getAbsoluteLocation(e)); 180 } 181 } 182 183 @Override 184 public void mouseReleased(MouseEvent e) { 185 labelMouseReleasedCount++; 186 if (dragWindow != null) { 187 dragWindow.setVisible(false); 188 } 189 } 190 191 public void mouseDragged(MouseEvent e) { 192 if (dragWindow != null) { 193 dragWindow.dragTo(getAbsoluteLocation(e)); 194 } 195 } 196 } 197 198 static class DragWindowMouseListener extends MouseAdapter { 199 200 @Override 201 public void mouseEntered(MouseEvent e) { 202 dragWindowMouseEnteredCount++; 203 } 204 205 @Override 206 public void mouseReleased(MouseEvent e) { 207 dragWindowMouseReleasedCount++; 208 } 209 } 210 211 static class ButtonMouseListener extends MouseAdapter { 212 213 @Override 214 public void mouseEntered(MouseEvent e) { 215 buttonMouseEnteredCount++; 216 } 217 } 218 }