1 /* 2 * Copyright (c) 2015, 2017, 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 8134828 28 * @summary Scrollbar thumb disappears with Nimbus L&F 29 * @author Semyon Sadetsky 30 */ 31 32 import javax.swing.*; 33 import java.awt.*; 34 35 public class ScrollBarThumbVisibleTest 36 { 37 private static JFrame frame; 38 private static Point point; 39 private static JScrollBar bar; 40 41 public static void main(String[] args) throws Exception { 42 for (UIManager.LookAndFeelInfo info : UIManager 43 .getInstalledLookAndFeels()) { 44 if ("Nimbus".equals(info.getName())) { 45 try { 46 UIManager.setLookAndFeel(info.getClassName()); 47 } catch (Exception ex) { 48 } 49 break; 50 } 51 } 52 try { 53 SwingUtilities.invokeAndWait(new Runnable() { 54 public void run() { 55 frame = new JFrame(); 56 frame.setUndecorated(true); 57 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 58 setup(frame); 59 } 60 }); 61 final Robot robot = new Robot(); 62 robot.delay(200); 63 robot.waitForIdle(); 64 SwingUtilities.invokeAndWait(new Runnable() { 65 @Override 66 public void run() { 67 point = bar.getLocationOnScreen(); 68 } 69 }); 70 Color color1 = robot.getPixelColor(point.x + 48, point.y + 55); 71 Color color2 = robot.getPixelColor(point.x + 48, point.y + 125); 72 System.out.println(color1); 73 System.out.println(color2); 74 if (color1.equals(color2)) { 75 throw new RuntimeException("Thump is not visible"); 76 } 77 } finally { 78 SwingUtilities.invokeAndWait(new Runnable() { 79 @Override 80 public void run() { 81 if (frame != null) { frame.dispose(); } 82 } 83 }); 84 } 85 System.out.println("ok"); 86 } 87 88 static void setup(JFrame frame) { 89 bar = new JScrollBar(Adjustable.VERTICAL, 500, 0, 0, 1000); 90 frame.getContentPane().add(bar); 91 frame.setSize(50, 250); 92 frame.setLocation(100, 100); 93 frame.setVisible(true); 94 } 95 }