1 /* 2 * Copyright (c) 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 4708809 28 * @summary JScrollBar functionality slightly different from native scrollbar 29 * @author Andrey Pikalev 30 * @run main bug4708809 31 */ 32 import javax.swing.*; 33 import java.awt.*; 34 import java.awt.Point; 35 import java.awt.event.*; 36 37 public class bug4708809 { 38 39 private static volatile boolean do_test = false; 40 private static volatile boolean passed = true; 41 private static JScrollPane spane; 42 private static JScrollBar sbar; 43 44 public static void main(String[] args) throws Exception { 45 Robot robot = new Robot(); 46 robot.setAutoDelay(350); 47 48 SwingUtilities.invokeAndWait(new Runnable() { 49 50 public void run() { 51 createAndShowGUI(); 52 } 53 }); 54 55 robot.waitForIdle(); 56 57 SwingUtilities.invokeAndWait(new Runnable() { 58 59 public void run() { 60 spane.requestFocus(); 61 sbar.setValue(sbar.getMaximum()); 62 } 63 }); 64 65 robot.waitForIdle(); 66 67 Point point = getClickPoint(0.5, 0.5); 68 robot.mouseMove(point.x, point.y); 69 robot.mousePress(InputEvent.BUTTON1_MASK); 70 71 robot.waitForIdle(); 72 73 SwingUtilities.invokeAndWait(new Runnable() { 74 75 public void run() { 76 final int oldValue = sbar.getValue(); 77 sbar.addAdjustmentListener(new AdjustmentListener() { 78 79 public void adjustmentValueChanged(AdjustmentEvent e) { 80 if (e.getValue() >= oldValue) { 81 passed = false; 82 } 83 do_test = true; 84 } 85 }); 86 87 } 88 }); 89 90 robot.waitForIdle(); 91 92 point = getClickPoint(0.5, 0.2); 93 robot.mouseMove(point.x, point.y); 94 robot.mouseRelease(InputEvent.BUTTON1_MASK); 95 robot.waitForIdle(); 96 97 if (!do_test || !passed) { 98 throw new Exception("The scrollbar moved with incorrect direction"); 99 } 100 101 } 102 103 private static Point getClickPoint(final double scaleX, final double scaleY) throws Exception { 104 final Point[] result = new Point[1]; 105 106 SwingUtilities.invokeAndWait(new Runnable() { 107 108 @Override 109 public void run() { 110 Point p = sbar.getLocationOnScreen(); 111 Rectangle rect = sbar.getBounds(); 112 result[0] = new Point((int) (p.x + scaleX * rect.width), 113 (int) (p.y + scaleY * rect.height)); 114 } 115 }); 116 117 return result[0]; 118 119 } 120 121 private static void createAndShowGUI() { 122 JFrame fr = new JFrame("Test"); 123 124 JLabel label = new JLabel("picture"); 125 label.setPreferredSize(new Dimension(500, 500)); 126 spane = new JScrollPane(label); 127 fr.getContentPane().add(spane); 128 sbar = spane.getVerticalScrollBar(); 129 130 fr.setSize(200, 200); 131 fr.setVisible(true); 132 } 133 }