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 /* @test 25 @bug 8134828 26 @summary Scrollbar thumb disappears with Nimbus L&F 27 @author Semyon Sadetsky 28 */ 29 30 import javax.swing.*; 31 import java.awt.*; 32 33 public class ScrollBarThumbVisibleTest 34 { 35 private static JFrame frame; 36 private static Point point; 37 private static JScrollBar bar; 38 39 public static void main(String[] args) throws Exception { 40 for (UIManager.LookAndFeelInfo info : UIManager 41 .getInstalledLookAndFeels()) { 42 if ("Nimbus".equals(info.getName())) { 43 try { 44 UIManager.setLookAndFeel(info.getClassName()); 45 } catch (Exception ex) { 46 } 47 break; 48 } 49 } 50 try { 51 SwingUtilities.invokeAndWait(new Runnable() { 52 public void run() { 53 frame = new JFrame(); 54 frame.setUndecorated(true); 55 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 56 setup(frame); 57 } 58 }); 59 final Robot robot = new Robot(); 60 robot.delay(200); 61 robot.waitForIdle(); 62 SwingUtilities.invokeAndWait(new Runnable() { 63 @Override 64 public void run() { 65 point = bar.getLocationOnScreen(); 66 } 67 }); 68 Color color1 = robot.getPixelColor(point.x + 48, point.y + 55); 69 Color color2 = robot.getPixelColor(point.x + 48, point.y + 125); 70 System.out.println(color1); 71 System.out.println(color2); 72 if (color1.equals(color2)) { 73 throw new RuntimeException("Thump is not visible"); 74 } 75 } finally { 76 SwingUtilities.invokeAndWait(new Runnable() { 77 @Override 78 public void run() { 79 frame.dispose(); 80 } 81 }); 82 } 83 System.out.println("ok"); 84 } 85 86 static void setup(JFrame frame) { 87 bar = new JScrollBar(Adjustable.VERTICAL, 500, 0, 0, 1000); 88 frame.getContentPane().add(bar); 89 frame.setSize(50, 250); 90 frame.setLocation(100, 100); 91 frame.setVisible(true); 92 } 93 }