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  */
  31 import sun.awt.SunToolkit;
  32 
  33 import javax.swing.*;
  34 import javax.swing.plaf.basic.BasicComboPopup;
  35 import javax.swing.plaf.basic.ComboPopup;
  36 import javax.swing.plaf.metal.MetalComboBoxUI;
  37 import javax.swing.plaf.metal.MetalLookAndFeel;
  38 import java.awt.*;
  39 import java.awt.event.InputEvent;
  40 import java.awt.event.KeyEvent;
  41 
  42 public class MouseComboBoxTest {
  43     private static final String[] items = {"One", "Two", "Three", "Four", "Five"};
  44 
  45     private static SunToolkit toolkit = null;
  46     private static Robot robot = null;
  47     private static JFrame frame = null;
  48     private static JComboBox comboBox = null;
  49     private static MyComboBoxUI comboBoxUI = null;
  50 
  51     public static void main(String[] args) throws Exception {
  52         toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
  53         robot = new Robot();
  54         robot.setAutoDelay(50);
  55 
  56         UIManager.setLookAndFeel(new MetalLookAndFeel());
  57         SwingUtilities.invokeAndWait(new Runnable() {
  58             @Override
  59             public void run() {
  60                 createAndShowGUI();
  61             }
  62         });
  63         toolkit.realSync();
  64 
  65         for (int i = 0; i < items.length; i++) {
  66             // Open popup
  67             robot.keyPress(KeyEvent.VK_DOWN);
  68             robot.keyRelease(KeyEvent.VK_DOWN);
  69             toolkit.realSync();
  70 
  71             Point point = getItemPointToClick(i);
  72             robot.mouseMove(point.x, point.y);
  73             robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
  74             robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
  75             toolkit.realSync();
  76 
  77             if (i != getSelectedIndex()) {
  78                 throw new RuntimeException("Test Failed! Incorrect value of selected index = " + getSelectedIndex() +
  79                         ", expected value = " + i);
  80             }
  81         }
  82     }
  83 
  84     private static Point getItemPointToClick(final int item) throws Exception {
  85         final Point[] result = new Point[1];
  86 
  87         SwingUtilities.invokeAndWait(new Runnable() {
  88             @Override
  89             public void run() {
  90                 BasicComboPopup popup = (BasicComboPopup)comboBoxUI.getComboPopup();
  91                 Point point = popup.getLocationOnScreen();
  92                 Dimension size = popup.getSize();
  93 
  94                 int step = size.height / items.length;
  95                 point.x += size.width / 2;
  96                 point.y += step / 2 + step * item;
  97                 result[0] = point;
  98             }
  99         });
 100         return result[0];
 101     }
 102 
 103     private static int getSelectedIndex() throws Exception {
 104         final int[] result = new int[1];
 105 
 106         SwingUtilities.invokeAndWait(new Runnable() {
 107             @Override
 108             public void run() {
 109                 result[0] = comboBox.getSelectedIndex();
 110             }
 111         });
 112         return result[0];
 113     }
 114 
 115     private static void createAndShowGUI() {
 116         frame = new JFrame("MouseComboBoxTest");
 117 
 118         comboBox = new JComboBox(items);
 119         comboBox.setEditable(true);
 120         comboBoxUI = new MyComboBoxUI();
 121         comboBox.setUI(comboBoxUI);
 122 
 123         frame.pack();
 124         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 125         frame.setVisible(true);
 126 
 127         JWindow window = new JWindow(frame);
 128         window.add(comboBox);
 129         window.pack();
 130         window.setVisible(true);
 131     }
 132 
 133     private static class MyComboBoxUI extends MetalComboBoxUI {
 134         public ComboPopup getComboPopup() {
 135             return popup;
 136         }
 137     }
 138 }
 139