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 /* @test 25 @bug 6542335 26 @summary different behavior on knob of scroll bar between 1.4.2 and 5.0 27 @author Alexander Potochkin 28 @run main bug6542335 29 */ 30 31 import javax.swing.*; 32 import javax.swing.plaf.basic.BasicScrollBarUI; 33 import java.awt.*; 34 import java.awt.event.InputEvent; 35 36 public class bug6542335 { 37 private static JScrollBar sb; 38 private static MyScrollBarUI ui; 39 40 public static void main(String[] args) throws Exception { 41 final Robot robot = new Robot(); 42 robot.setAutoDelay(10); 43 44 final Rectangle[] thumbBounds = new Rectangle[1]; 45 46 SwingUtilities.invokeAndWait(new Runnable() { 47 public void run() { 48 final JFrame frame = new JFrame("bug6542335"); 49 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 50 51 sb = new JScrollBar(0, 0, 1, 0, 1); 52 53 ui = new MyScrollBarUI(); 54 sb.setUI(ui); 55 56 sb.setPreferredSize(new Dimension(200, 17)); 57 DefaultBoundedRangeModel rangeModel = new DefaultBoundedRangeModel(); 58 rangeModel.setMaximum(100); 59 rangeModel.setMinimum(0); 60 rangeModel.setExtent(50); 61 rangeModel.setValue(50); 62 63 sb.setModel(rangeModel); 64 frame.add(sb, BorderLayout.NORTH); 65 66 frame.setSize(200, 100); 67 frame.setVisible(true); 68 } 69 }); 70 71 robot.waitForIdle(); 72 73 SwingUtilities.invokeAndWait(new Runnable() { 74 public void run() { 75 thumbBounds[0] = new Rectangle(ui.getThumbBounds()); 76 77 Point l = sb.getLocationOnScreen(); 78 79 robot.mouseMove(l.x + (int) (0.75 * sb.getWidth()), l.y + sb.getHeight() / 2); 80 robot.mousePress(InputEvent.BUTTON1_MASK); 81 robot.mouseRelease(InputEvent.BUTTON1_MASK); 82 } 83 }); 84 85 robot.waitForIdle(); 86 87 SwingUtilities.invokeAndWait(new Runnable() { 88 public void run() { 89 Rectangle newThumbBounds = ui.getThumbBounds(); 90 91 if (!thumbBounds[0].equals(newThumbBounds)) { 92 throw new RuntimeException("Test failed.\nOld bounds: " + thumbBounds[0] + 93 "\nNew bounds: " + newThumbBounds); 94 } 95 } 96 }); 97 } 98 99 static class MyScrollBarUI extends BasicScrollBarUI { 100 public Rectangle getThumbBounds() { 101 return super.getThumbBounds(); 102 } 103 } 104 }