1/*
2 * Copyright (c) 2014, 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 8032872
28 * @summary Tests JComboBox selection via the mouse
29 * @author Dmitry Markov
30 */
31import javax.swing.*;
32import javax.swing.plaf.basic.BasicComboPopup;
33import javax.swing.plaf.basic.ComboPopup;
34import javax.swing.plaf.metal.MetalComboBoxUI;
35import javax.swing.plaf.metal.MetalLookAndFeel;
36import java.awt.*;
37import java.awt.event.InputEvent;
38import java.awt.event.KeyEvent;
39
40public class MouseComboBoxTest {
41    private static final String[] items = {"One", "Two", "Three", "Four", "Five"};
42
43    private static Robot robot = null;
44    private static JFrame frame = null;
45    private static JComboBox comboBox = null;
46    private static MyComboBoxUI comboBoxUI = null;
47
48    public static void main(String[] args) throws Exception {
49        robot = new Robot();
50        robot.setAutoDelay(50);
51
52        UIManager.setLookAndFeel(new MetalLookAndFeel());
53        SwingUtilities.invokeAndWait(new Runnable() {
54            @Override
55            public void run() {
56                createAndShowGUI();
57            }
58        });
59        robot.waitForIdle();
60
61        for (int i = 0; i < items.length; i++) {
62            // Open popup
63            robot.keyPress(KeyEvent.VK_DOWN);
64            robot.keyRelease(KeyEvent.VK_DOWN);
65            robot.waitForIdle();
66
67            Point point = getItemPointToClick(i);
68            robot.mouseMove(point.x, point.y);
69            robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
70            robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
71            robot.waitForIdle();
72
73            if (i != getSelectedIndex()) {
74                throw new RuntimeException("Test Failed! Incorrect value of selected index = " + getSelectedIndex() +
75                        ", expected value = " + i);
76            }
77        }
78    }
79
80    private static Point getItemPointToClick(final int item) throws Exception {
81        final Point[] result = new Point[1];
82
83        SwingUtilities.invokeAndWait(new Runnable() {
84            @Override
85            public void run() {
86                BasicComboPopup popup = (BasicComboPopup)comboBoxUI.getComboPopup();
87                Point point = popup.getLocationOnScreen();
88                Dimension size = popup.getSize();
89
90                int step = size.height / items.length;
91                point.x += size.width / 2;
92                point.y += step / 2 + step * item;
93                result[0] = point;
94            }
95        });
96        return result[0];
97    }
98
99    private static int getSelectedIndex() throws Exception {
100        final int[] result = new int[1];
101
102        SwingUtilities.invokeAndWait(new Runnable() {
103            @Override
104            public void run() {
105                result[0] = comboBox.getSelectedIndex();
106            }
107        });
108        return result[0];
109    }
110
111    private static void createAndShowGUI() {
112        frame = new JFrame("MouseComboBoxTest");
113
114        comboBox = new JComboBox(items);
115        comboBox.setEditable(true);
116        comboBoxUI = new MyComboBoxUI();
117        comboBox.setUI(comboBoxUI);
118
119        frame.pack();
120        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
121        frame.setVisible(true);
122
123        JWindow window = new JWindow(frame);
124        window.add(comboBox);
125        window.pack();
126        window.setVisible(true);
127    }
128
129    private static class MyComboBoxUI extends MetalComboBoxUI {
130        public ComboPopup getComboPopup() {
131            return popup;
132        }
133    }
134}
135
136