| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import java.awt.AWTException; |
| import java.awt.Dimension; |
| import java.awt.Point; |
| import java.awt.Rectangle; |
| import java.awt.Robot; |
| import javax.swing.Box; |
| import javax.swing.BoxLayout; |
| import javax.swing.JComboBox; |
| import javax.swing.JFrame; |
| import javax.swing.JPanel; |
| import javax.swing.JScrollPane; |
| import javax.swing.SwingUtilities; |
| import javax.swing.UIManager; |
| import javax.swing.UIManager.LookAndFeelInfo; |
| import javax.swing.UnsupportedLookAndFeelException; |
| import javax.swing.WindowConstants; |
| |
| /* @test |
| * @bug 8136998 |
| * @summary Checks that JComboBox does not prevent mouse-wheel scrolling JScrollPane. |
| * @library ../../regtesthelpers |
| * @build Util |
| * @run main bug8136998 |
| * @author Alexey Ivanov |
| */ |
| public class bug8136998 { |
| |
| private static final String[] ITEMS = new String[] { |
| "A", "B", "C", "D", "E", "F" |
| }; |
| |
| private final Robot robot; |
| |
| private JFrame frame; |
| private JComboBox comboBox; |
| private JScrollPane scrollPane; |
| |
| public static void main(String[] args) throws Exception { |
| iterateLookAndFeels(new bug8136998()); |
| } |
| |
| protected static void iterateLookAndFeels(final bug8136998 test) throws Exception { |
| LookAndFeelInfo[] lafInfo = UIManager.getInstalledLookAndFeels(); |
| for (LookAndFeelInfo info : lafInfo) { |
| try { |
| UIManager.setLookAndFeel(info.getClassName()); |
| System.out.println("Look and Feel: " + info.getClassName()); |
| test.runTest(); |
| } catch (UnsupportedLookAndFeelException e) { |
| System.out.println("Skipping unsupported LaF: " + info); |
| } |
| } |
| } |
| |
| public bug8136998() throws AWTException { |
| robot = new Robot(); |
| robot.setAutoDelay(200); |
| } |
| |
| private void setupUI() { |
| frame = new JFrame(); |
| frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); |
| |
| comboBox = new JComboBox<>(ITEMS); |
| |
| JPanel scrollable = new JPanel(); |
| scrollable.setLayout(new BoxLayout(scrollable, BoxLayout.Y_AXIS)); |
| |
| scrollable.add(Box.createVerticalStrut(200)); |
| scrollable.add(comboBox); |
| scrollable.add(Box.createVerticalStrut(200)); |
| |
| scrollPane = new JScrollPane(scrollable); |
| |
| frame.add(scrollPane); |
| |
| frame.setSize(100, 200); |
| frame.setVisible(true); |
| } |
| |
| public void runTest() throws Exception { |
| try { |
| SwingUtilities.invokeAndWait(this::setupUI); |
| |
| robot.waitForIdle(); |
| |
| SwingUtilities.invokeAndWait(() -> |
| scrollPane.getViewport().scrollRectToVisible(comboBox.getBounds()) |
| ); |
| robot.waitForIdle(); |
| |
| // Move mouse pointer to the center of the combo box |
| Point p = comboBox.getLocationOnScreen(); |
| Dimension d = comboBox.getSize(); |
| robot.mouseMove(p.x + d.width / 2, p.y + d.height / 2); |
| |
| // The currently visible rectangle in scrollPane |
| Rectangle viewRect0 = Util.invokeOnEDT(scrollPane.getViewport()::getViewRect); |
| |
| // Scroll the scrollPane with mouse wheel |
| robot.mouseWheel(1); |
| robot.waitForIdle(); |
| |
| // The updated rectangle |
| Rectangle viewRect1 = Util.invokeOnEDT(scrollPane.getViewport()::getViewRect); |
| |
| if (viewRect0.y == viewRect1.y) { |
| throw new RuntimeException("Mouse wheel should have scrolled the JScrollPane"); |
| } |
| } finally { |
| if (frame != null) { |
| frame.dispose(); |
| } |
| } |
| |
| System.out.println("Test passed"); |
| } |
| } |