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 }