1 /* 2 * Copyright (c) 2015, 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 import java.awt.AWTException; 25 import java.awt.Dimension; 26 import java.awt.GridLayout; 27 import java.awt.Point; 28 import java.awt.Robot; 29 import java.awt.event.InputEvent; 30 import javax.swing.JComboBox; 31 import javax.swing.JFrame; 32 import javax.swing.JPanel; 33 import javax.swing.SwingUtilities; 34 import javax.swing.UIManager; 35 import javax.swing.UIManager.LookAndFeelInfo; 36 import javax.swing.UnsupportedLookAndFeelException; 37 38 /* @test 39 * @bug 8033069 40 * @summary Checks that JComboBox popup does not close when mouse wheel is 41 * rotated over combo box and over its popup. The case where popup 42 * has no scroll bar. 43 * @library ../../regtesthelpers 44 * @build Util 45 * @run main bug8033069NoScrollBar 46 * @author Alexey Ivanov 47 */ 48 public class bug8033069NoScrollBar implements Runnable { 49 50 private static final String[] NO_SCROLL_ITEMS = new String[] { 51 "A", "B", "C", "D", "E", "F" 52 }; 53 54 private final Robot robot; 55 56 private final String[] items; 57 58 private JFrame frame; 59 private JComboBox cb1; 60 private JComboBox cb2; 61 62 public static void main(String[] args) throws Exception { 63 iterateLookAndFeels(new bug8033069NoScrollBar(NO_SCROLL_ITEMS)); 64 } 65 66 protected static void iterateLookAndFeels(final bug8033069NoScrollBar test) throws Exception { 67 LookAndFeelInfo[] lafInfo = UIManager.getInstalledLookAndFeels(); 68 for (LookAndFeelInfo info : lafInfo) { 69 try { 70 UIManager.setLookAndFeel(info.getClassName()); 71 System.out.println("Look and Feel: " + info.getClassName()); 72 test.runTest(); 73 } catch (UnsupportedLookAndFeelException e) { 74 System.out.println("Skipping unsupported LaF: " + info); 75 } 76 } 77 } 78 79 public bug8033069NoScrollBar(String[] items) throws AWTException { 80 this.items = items; 81 82 robot = new Robot(); 83 robot.setAutoDelay(200); 84 } 85 86 private void setupUI() { 87 frame = new JFrame(); 88 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 89 90 cb1 = new JComboBox<>(items); 91 cb2 = new JComboBox<>(items); 92 JPanel panel = new JPanel(new GridLayout(1, 2)); 93 panel.add(cb1); 94 panel.add(cb2); 95 96 frame.add(panel); 97 98 frame.pack(); 99 frame.setVisible(true); 100 } 101 102 public void runTest() throws Exception { 103 try { 104 SwingUtilities.invokeAndWait(this); 105 106 robot.waitForIdle(); 107 assertFalse("cb1 popup is visible", 108 Util.invokeOnEDT(cb1::isPopupVisible)); 109 110 // Move mouse pointer to the center of the fist combo box 111 Point p = cb1.getLocationOnScreen(); 112 Dimension d = cb1.getSize(); 113 robot.mouseMove(p.x + d.width / 2, p.y + d.height / 2); 114 // Click it to open popup 115 robot.mousePress(InputEvent.BUTTON1_MASK); 116 robot.mouseRelease(InputEvent.BUTTON1_MASK); 117 118 robot.waitForIdle(); 119 assertTrue("cb1 popup is not visible", 120 Util.invokeOnEDT(cb1::isPopupVisible)); 121 122 robot.mouseWheel(1); 123 robot.waitForIdle(); 124 assertTrue("cb1 popup is not visible after mouse wheel up on combo box", 125 Util.invokeOnEDT(cb1::isPopupVisible)); 126 127 robot.mouseWheel(-1); 128 robot.waitForIdle(); 129 assertTrue("cb1 popup is not visible after mouse wheel down on combo box", 130 Util.invokeOnEDT(cb1::isPopupVisible)); 131 132 // Move mouse down on the popup 133 robot.mouseMove(p.x + d.width / 2, p.y + d.height * 3); 134 135 robot.mouseWheel(1); 136 robot.waitForIdle(); 137 assertTrue("cb1 popup is not visible after mouse wheel up on popup", 138 Util.invokeOnEDT(cb1::isPopupVisible)); 139 140 robot.mouseWheel(-1); 141 robot.waitForIdle(); 142 assertTrue("cb1 popup is not visible after mouse wheel down on popup", 143 Util.invokeOnEDT(cb1::isPopupVisible)); 144 145 146 // Move mouse pointer to the center of the second combo box 147 p = cb2.getLocationOnScreen(); 148 d = cb2.getSize(); 149 robot.mouseMove(p.x + d.width / 2, p.y + d.height / 2); 150 151 robot.mouseWheel(1); 152 robot.waitForIdle(); 153 assertFalse("cb1 popup is visible after mouse wheel up on cb2", 154 Util.invokeOnEDT(cb1::isPopupVisible)); 155 } finally { 156 if (frame != null) { 157 frame.dispose(); 158 } 159 } 160 161 System.out.println("Test passed"); 162 } 163 164 @Override 165 public void run() { 166 setupUI(); 167 } 168 169 private static void assertTrue(String message, boolean value) { 170 assertEquals(message, true, value); 171 } 172 173 private static void assertFalse(String message, boolean value) { 174 assertEquals(message, false, value); 175 } 176 177 private static void assertEquals(String message, boolean expected, boolean actual) { 178 if (expected != actual) { 179 throw new RuntimeException(message); 180 } 181 } 182 }