1 /*
   2  * Copyright (c) 2015, 2016, 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 import java.awt.BorderLayout;
  25 import java.awt.Point;
  26 import java.awt.Robot;
  27 import java.awt.event.KeyEvent;
  28 import javax.swing.JFrame;
  29 import javax.swing.JPanel;
  30 import javax.swing.JScrollPane;
  31 import javax.swing.JTextArea;
  32 import javax.swing.SwingUtilities;
  33 
  34 import sun.awt.OSInfo;
  35 
  36 /**
  37  * @test
  38  * @bug 8033000 8147994
  39  * @author Alexander Scherbatiy
  40  * @summary No Horizontal Mouse Wheel Support In BasicScrollPaneUI
  41  * @run main HorizontalMouseWheelOnShiftPressed
  42  */
  43 public class HorizontalMouseWheelOnShiftPressed {
  44 
  45     private static JScrollPane scrollPane;
  46     private static JTextArea textArea;
  47     private static Point point;
  48     private static final int delta;
  49     private static JFrame frame;
  50 
  51     static {
  52         delta = OSInfo.getOSType().equals(OSInfo.OSType.MACOSX) ? -30 : 30;
  53     }
  54 
  55     public static void main(String[] args) throws Exception {
  56 
  57         Robot robot = new Robot();
  58         robot.setAutoDelay(50);
  59 
  60         SwingUtilities.invokeAndWait(
  61                 HorizontalMouseWheelOnShiftPressed::createAndShowGUI);
  62         robot.waitForIdle();
  63         try {
  64             test(robot);
  65         } finally {
  66             frame.dispose();
  67         }
  68     }
  69 
  70     private static void test(Robot robot) throws Exception {
  71         SwingUtilities.invokeAndWait(() -> {
  72             Point locationOnScreen = scrollPane.getLocationOnScreen();
  73             point = new Point(
  74                     locationOnScreen.x + scrollPane.getWidth() / 2,
  75                     locationOnScreen.y + scrollPane.getHeight() / 2);
  76         });
  77 
  78         robot.mouseMove(point.x, point.y);
  79         robot.waitForIdle();
  80 
  81         // vertical scroll bar is enabled
  82         initScrollPane(true, false);
  83         robot.waitForIdle();
  84         robot.mouseWheel(delta);
  85         robot.waitForIdle();
  86         checkScrollPane(true, false);
  87 
  88         // vertical scroll bar is enabled + shift
  89         initScrollPane(true, false);
  90         robot.waitForIdle();
  91         robot.keyPress(KeyEvent.VK_SHIFT);
  92         robot.mouseWheel(delta);
  93         robot.keyRelease(KeyEvent.VK_SHIFT);
  94         robot.waitForIdle();
  95         checkScrollPane(false, false);
  96 
  97         // horizontal scroll bar is enabled
  98         initScrollPane(false, true);
  99         robot.waitForIdle();
 100         robot.mouseWheel(delta);
 101         robot.waitForIdle();
 102         checkScrollPane(false, true);
 103 
 104         // horizontal scroll bar is enabled + shift
 105         initScrollPane(false, true);
 106         robot.waitForIdle();
 107         robot.keyPress(KeyEvent.VK_SHIFT);
 108         robot.mouseWheel(delta);
 109         robot.keyRelease(KeyEvent.VK_SHIFT);
 110         robot.waitForIdle();
 111         checkScrollPane(false, true);
 112 
 113         // both scroll bars are enabled
 114         initScrollPane(true, true);
 115         robot.waitForIdle();
 116         robot.mouseWheel(delta);
 117         robot.waitForIdle();
 118         checkScrollPane(true, false);
 119 
 120         // both scroll bars are enabled + shift
 121         initScrollPane(true, true);
 122         robot.waitForIdle();
 123         robot.keyPress(KeyEvent.VK_SHIFT);
 124         robot.mouseWheel(delta);
 125         robot.keyRelease(KeyEvent.VK_SHIFT);
 126         robot.waitForIdle();
 127         checkScrollPane(false, true);
 128     }
 129 
 130     static void initScrollPane(boolean vVisible, boolean hVisible) throws Exception {
 131         SwingUtilities.invokeAndWait(() -> {
 132             scrollPane.getVerticalScrollBar().setValue(0);
 133             scrollPane.getHorizontalScrollBar().setValue(0);
 134 
 135             textArea.setRows(vVisible ? 100 : 1);
 136             textArea.setColumns(hVisible ? 100 : 1);
 137             scrollPane.getVerticalScrollBar().setVisible(vVisible);
 138             scrollPane.getHorizontalScrollBar().setVisible(hVisible);
 139         });
 140     }
 141 
 142     static void checkScrollPane(boolean verticalScrolled,
 143                                 boolean horizontalScrolled) throws Exception {
 144         SwingUtilities.invokeAndWait(() -> {
 145 
 146             if (verticalScrolled) {
 147                 if (scrollPane.getVerticalScrollBar().getValue() == 0) {
 148                     throw new RuntimeException("Wrong vertical scrolling!");
 149                 }
 150             } else{
 151                 if (scrollPane.getVerticalScrollBar().getValue() != 0) {
 152                     throw new RuntimeException("Wrong vertical scrolling!");
 153                 }
 154             }
 155             if (horizontalScrolled) {
 156                 if (scrollPane.getHorizontalScrollBar().getValue() == 0) {
 157                     throw new RuntimeException("Wrong horizontal scrolling!");
 158                 }
 159             } else {
 160                 if (scrollPane.getHorizontalScrollBar().getValue() != 0) {
 161                     throw new RuntimeException("Wrong horizontal scrolling!");
 162                 }
 163             }
 164         });
 165     }
 166 
 167     static void createAndShowGUI() {
 168         frame = new JFrame();
 169         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 170         frame.setSize(300, 300);
 171         frame.setLocationRelativeTo(null);
 172         textArea = new JTextArea("Hello World!");
 173         scrollPane = new JScrollPane(textArea);
 174         JPanel panel = new JPanel(new BorderLayout());
 175         panel.add(scrollPane, BorderLayout.CENTER);
 176         frame.getContentPane().add(panel);
 177         frame.setVisible(true);
 178     }
 179 }