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