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