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