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 import sun.awt.SunToolkit;
43
44 import test.java.awt.regtesthelpers.Util;
45
46 public class DragWindowTest {
47
48 private static volatile int dragWindowMouseEnteredCount = 0;
49 private static volatile int dragWindowMouseReleasedCount = 0;
50 private static volatile int buttonMouseEnteredCount = 0;
51 private static volatile int labelMouseReleasedCount = 0;
52 private static MyDragWindow dragWindow;
53 private static JLabel label;
54 private static JButton button;
55
56 public static void main(String[] args) throws Exception {
57
58 SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
59 Robot robot = new Robot();
60 robot.setAutoDelay(50);
61
62 SwingUtilities.invokeAndWait(new Runnable() {
63
64 @Override
65 public void run() {
66 createAndShowGUI();
67 }
68 });
69
70 toolkit.realSync();
71
72 Point pointToClick = Util.invokeOnEDT(new Callable<Point>() {
73
74 @Override
75 public Point call() throws Exception {
76 return getCenterPoint(label);
77 }
78 });
79
80
81 robot.mouseMove(pointToClick.x, pointToClick.y);
82 robot.mousePress(InputEvent.BUTTON1_MASK);
83 toolkit.realSync();
84
85 if (dragWindowMouseEnteredCount != 1) {
86 throw new RuntimeException("No MouseEntered event on Drag Window!");
87 }
88
89 Point pointToDrag = Util.invokeOnEDT(new Callable<Point>() {
90
91 @Override
92 public Point call() throws Exception {
93 button.addMouseListener(new ButtonMouseListener());
94 return getCenterPoint(button);
95 }
96 });
97
98 robot.mouseMove(pointToDrag.x, pointToDrag.y);
99 toolkit.realSync();
100
101 if (buttonMouseEnteredCount != 0) {
102 throw new RuntimeException("Extra MouseEntered event on button!");
103 }
104
105 robot.mouseRelease(InputEvent.BUTTON1_MASK);
106 toolkit.realSync();
107
108 if (labelMouseReleasedCount != 1) {
109 throw new RuntimeException("No MouseReleased event on label!");
110 }
111
112 }
113
114 private static Point getCenterPoint(Component comp) {
115 Point p = comp.getLocationOnScreen();
116 Rectangle rect = comp.getBounds();
117 return new Point(p.x + rect.width / 2, p.y + rect.height / 2);
118 }
119
120 private static void createAndShowGUI() {
121
122 JFrame frame = new JFrame("Main Frame");
123 frame.setSize(300, 200);
124 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
125
126 label = new JLabel("Label");
127
128 LabelMouseListener listener = new LabelMouseListener(frame);
129 label.addMouseListener(listener);
130 label.addMouseMotionListener(listener);
131
132 button = new JButton("Button");
133 Panel panel = new Panel(new BorderLayout());
134
135 panel.add(label, BorderLayout.NORTH);
136 panel.add(button, BorderLayout.CENTER);
137
138 frame.getContentPane().add(panel);
139 frame.setVisible(true);
140
141 }
142
143 private static Point getAbsoluteLocation(MouseEvent e) {
144 return new Point(e.getXOnScreen(), e.getYOnScreen());
145 }
146
147 static class MyDragWindow extends Window {
148
149 static int d = 30;
150
151 public MyDragWindow(Window parent, Point location) {
152 super(parent);
153 setSize(150, 150);
154 setVisible(true);
155 JPanel panel = new JPanel();
156 add(panel);
157 setLocation(location.x - d, location.y - d);
158 addMouseListener(new DragWindowMouseListener());
159 }
160
161 void dragTo(Point point) {
162 setLocation(point.x - d, point.y - d);
163 }
164 }
165
166 static class LabelMouseListener extends MouseAdapter {
167
168 Point origin;
169 Window parent;
170
171 public LabelMouseListener(Window parent) {
172 this.parent = parent;
173 }
174
175 @Override
176 public void mousePressed(MouseEvent e) {
177 if (dragWindow == null) {
178 dragWindow = new MyDragWindow(parent, getAbsoluteLocation(e));
179 } else {
180 dragWindow.setVisible(true);
181 dragWindow.dragTo(getAbsoluteLocation(e));
182 }
183 }
184
185 @Override
186 public void mouseReleased(MouseEvent e) {
187 labelMouseReleasedCount++;
188 if (dragWindow != null) {
189 dragWindow.setVisible(false);
190 }
191 }
192
193 public void mouseDragged(MouseEvent e) {
194 if (dragWindow != null) {
195 dragWindow.dragTo(getAbsoluteLocation(e));
196 }
197 }
198 }
199
200 static class DragWindowMouseListener extends MouseAdapter {
201
202 @Override
203 public void mouseEntered(MouseEvent e) {
204 dragWindowMouseEnteredCount++;
205 }
206
207 @Override
208 public void mouseReleased(MouseEvent e) {
209 dragWindowMouseReleasedCount++;
210 }
211 }
212
213 static class ButtonMouseListener extends MouseAdapter {
214
215 @Override
216 public void mouseEntered(MouseEvent e) {
217 buttonMouseEnteredCount++;
218 }
219 }
220 }