1/* 2 * Copyright (c) 2010, 2011, 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 6542335 28 * @summary different behavior on knob of scroll bar between 1.4.2 and 5.0 29 * @author Alexander Potochkin 30 * @run main bug6542335 31 */ 32 33import javax.swing.*; 34import javax.swing.plaf.basic.BasicScrollBarUI; 35import java.awt.*; 36import java.awt.event.InputEvent; 37 38public class bug6542335 { 39 private static JScrollBar sb; 40 private static MyScrollBarUI ui; 41 42 public static void main(String[] args) throws Exception { 43 final Robot robot = new Robot(); 44 robot.setAutoDelay(10); 45 46 final Rectangle[] thumbBounds = new Rectangle[1]; 47 48 SwingUtilities.invokeAndWait(new Runnable() { 49 public void run() { 50 final JFrame frame = new JFrame("bug6542335"); 51 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 52 53 sb = new JScrollBar(0, 0, 1, 0, 1); 54 55 ui = new MyScrollBarUI(); 56 sb.setUI(ui); 57 58 sb.setPreferredSize(new Dimension(200, 17)); 59 DefaultBoundedRangeModel rangeModel = new DefaultBoundedRangeModel(); 60 rangeModel.setMaximum(100); 61 rangeModel.setMinimum(0); 62 rangeModel.setExtent(50); 63 rangeModel.setValue(50); 64 65 sb.setModel(rangeModel); 66 frame.add(sb, BorderLayout.NORTH); 67 68 frame.setSize(200, 100); 69 frame.setVisible(true); 70 } 71 }); 72 73 robot.waitForIdle(); 74 75 SwingUtilities.invokeAndWait(new Runnable() { 76 public void run() { 77 thumbBounds[0] = new Rectangle(ui.getThumbBounds()); 78 79 Point l = sb.getLocationOnScreen(); 80 81 robot.mouseMove(l.x + (int) (0.75 * sb.getWidth()), l.y + sb.getHeight() / 2); 82 robot.mousePress(InputEvent.BUTTON1_MASK); 83 robot.mouseRelease(InputEvent.BUTTON1_MASK); 84 } 85 }); 86 87 robot.waitForIdle(); 88 89 SwingUtilities.invokeAndWait(new Runnable() { 90 public void run() { 91 Rectangle newThumbBounds = ui.getThumbBounds(); 92 93 if (!thumbBounds[0].equals(newThumbBounds)) { 94 throw new RuntimeException("Test failed.\nOld bounds: " + thumbBounds[0] + 95 "\nNew bounds: " + newThumbBounds); 96 } 97 } 98 }); 99 } 100 101 static class MyScrollBarUI extends BasicScrollBarUI { 102 public Rectangle getThumbBounds() { 103 return super.getThumbBounds(); 104 } 105 } 106} 107