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 * @bug 7154048
27 * @summary Window created under a mouse does not receive mouse enter event.
28 * Mouse Entered/Exited events are wrongly generated during dragging the window
29 * from one component to another
30 * @library ../../regtesthelpers
31 * @build Util
32 * @author alexandr.scherbatiy area=awt.event
33 * @run main DragWindowTest
34 */
35
36 import java.awt.*;
37 import java.awt.event.*;
38 import javax.swing.*;
39
40 import java.util.concurrent.*;
41 import sun.awt.SunToolkit;
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 SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
58 Robot robot = new Robot();
59 robot.setAutoDelay(50);
60
61 SwingUtilities.invokeAndWait(new Runnable() {
62
63 @Override
64 public void run() {
65 createAndShowGUI();
66 }
67 });
68
69 toolkit.realSync();
70
71 Point pointToClick = Util.invokeOnEDT(new Callable<Point>() {
72
73 @Override
74 public Point call() throws Exception {
75 return getCenterPoint(label);
76 }
77 });
78
79
80 robot.mouseMove(pointToClick.x, pointToClick.y);
81 robot.mousePress(InputEvent.BUTTON1_MASK);
82 toolkit.realSync();
83
84 if (dragWindowMouseEnteredCount != 1) {
85 throw new RuntimeException("No MouseEntered event on Drag Window!");
86 }
87
88 Point pointToDrag = Util.invokeOnEDT(new Callable<Point>() {
89
90 @Override
91 public Point call() throws Exception {
92 button.addMouseListener(new ButtonMouseListener());
93 return getCenterPoint(button);
94 }
95 });
96
97 robot.mouseMove(pointToDrag.x, pointToDrag.y);
98 toolkit.realSync();
99
100 if (buttonMouseEnteredCount != 0) {
101 throw new RuntimeException("Extra MouseEntered event on button!");
102 }
103
104 robot.mouseRelease(InputEvent.BUTTON1_MASK);
105 toolkit.realSync();
106
107 if (labelMouseReleasedCount != 1) {
108 throw new RuntimeException("No MouseReleased event on label!");
109 }
110
111 }
112
113 private static Point getCenterPoint(Component comp) {
114 Point p = comp.getLocationOnScreen();
115 Rectangle rect = comp.getBounds();
116 return new Point(p.x + rect.width / 2, p.y + rect.height / 2);
117 }
118
119 private static void createAndShowGUI() {
120
121 JFrame frame = new JFrame("Main Frame");
122 frame.setSize(300, 200);
123 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
124
125 label = new JLabel("Label");
126
127 LabelMouseListener listener = new LabelMouseListener(frame);
128 label.addMouseListener(listener);
129 label.addMouseMotionListener(listener);
130
131 button = new JButton("Button");
132 Panel panel = new Panel(new BorderLayout());
133
134 panel.add(label, BorderLayout.NORTH);
135 panel.add(button, BorderLayout.CENTER);
136
137 frame.getContentPane().add(panel);
138 frame.setVisible(true);
139
140 }
141
142 private static Point getAbsoluteLocation(MouseEvent e) {
143 return new Point(e.getXOnScreen(), e.getYOnScreen());
144 }
145
146 static class MyDragWindow extends Window {
147
148 static int d = 30;
149
150 public MyDragWindow(Window parent, Point location) {
151 super(parent);
152 setSize(150, 150);
153 setVisible(true);
154 JPanel panel = new JPanel();
155 add(panel);
156 setLocation(location.x - d, location.y - d);
157 addMouseListener(new DragWindowMouseListener());
158 }
159
160 void dragTo(Point point) {
161 setLocation(point.x - d, point.y - d);
162 }
163 }
164
165 static class LabelMouseListener extends MouseAdapter {
166
167 Point origin;
168 Window parent;
169
170 public LabelMouseListener(Window parent) {
171 this.parent = parent;
172 }
173
174 @Override
175 public void mousePressed(MouseEvent e) {
176 if (dragWindow == null) {
177 dragWindow = new MyDragWindow(parent, getAbsoluteLocation(e));
178 } else {
179 dragWindow.setVisible(true);
180 dragWindow.dragTo(getAbsoluteLocation(e));
181 }
182 }
183
184 @Override
185 public void mouseReleased(MouseEvent e) {
186 labelMouseReleasedCount++;
187 if (dragWindow != null) {
188 dragWindow.setVisible(false);
189 }
190 }
191
192 public void mouseDragged(MouseEvent e) {
193 if (dragWindow != null) {
194 dragWindow.dragTo(getAbsoluteLocation(e));
195 }
196 }
197 }
198
199 static class DragWindowMouseListener extends MouseAdapter {
200
201 @Override
202 public void mouseEntered(MouseEvent e) {
203 dragWindowMouseEnteredCount++;
204 }
205
206 @Override
207 public void mouseReleased(MouseEvent e) {
208 dragWindowMouseReleasedCount++;
209 }
210 }
211
212 static class ButtonMouseListener extends MouseAdapter {
213
214 @Override
215 public void mouseEntered(MouseEvent e) {
216 buttonMouseEnteredCount++;
217 }
218 }
219 }