1 /* 2 * Copyright (c) 2006, 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. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 /* @test 27 @bug 6406264 28 @summary Tests that JComboBox's focusable popup can be shown. 29 @author Mikhail Lapshin 30 @run main bug6406264 31 */ 32 33 import javax.swing.JComboBox; 34 import javax.swing.JFrame; 35 import javax.swing.SwingUtilities; 36 import javax.swing.plaf.basic.BasicComboBoxUI; 37 import javax.swing.plaf.basic.ComboPopup; 38 import javax.swing.plaf.basic.BasicComboPopup; 39 import java.awt.*; 40 41 public class bug6406264 extends JComboBox { 42 43 static JFrame frame; 44 static bug6406264 comboBox; 45 46 public static void main(String[] args) throws Exception { 47 48 Robot robot = new Robot(); 49 // Setup and show frame 50 SwingUtilities.invokeAndWait( 51 new Runnable() { 52 public void run() { 53 frame = new JFrame("JComboBox6406264 test"); 54 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 55 56 comboBox = new bug6406264("One", "Two", "Three"); 57 frame.getContentPane().add(comboBox); 58 59 frame.setLocationRelativeTo(null); 60 frame.pack(); 61 frame.setVisible(true); 62 } 63 } 64 ); 65 66 robot.waitForIdle(); 67 68 // Show popup 69 SwingUtilities.invokeAndWait( 70 new Runnable() { 71 public void run() { 72 comboBox.showPopup(); 73 } 74 }); 75 robot.waitForIdle(); 76 77 // Check that popup is visible 78 SwingUtilities.invokeAndWait( 79 new Runnable() { 80 public void run() { 81 if (comboBox.getUI().isPopupVisible(comboBox) == false) 82 { 83 throw new RuntimeException("A focusable popup is not visible " + 84 "in JComboBox!"); 85 } 86 } 87 } 88 ); 89 90 frame.dispose(); 91 } 92 93 public bug6406264(Object ... items) { 94 super(items); 95 } 96 97 public void updateUI() { 98 setUI(new CustomComboBoxUI()); 99 } 100 101 // Use FocusablePopup for our JComboBox 102 private class CustomComboBoxUI extends BasicComboBoxUI { 103 protected ComboPopup createPopup() { 104 return new FocusablePopup(bug6406264.this); 105 } 106 } 107 108 // Popup window which can take a focus 109 private class FocusablePopup extends BasicComboPopup { 110 public FocusablePopup(JComboBox combo) { 111 super(combo); 112 } 113 114 public boolean isFocusable() { 115 return true; 116 } 117 } 118 }