| /* |
| * Copyright (c) 2019, 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. |
| */ |
| |
| /* |
| @test |
| @key headful |
| @bug 8231991 |
| @summary Mouse wheel change focus on awt/swing windows |
| @run main MouseWheelOnBackgroundComponent |
| */ |
| |
| import javax.swing.*; |
| import java.awt.*; |
| import java.awt.event.FocusEvent; |
| import java.awt.event.FocusListener; |
| import java.awt.event.WindowEvent; |
| |
| /** |
| * MouseWheelOnBackgroundComponent |
| * |
| * Tests that wheel events don't change focus on background components |
| */ |
| public class MouseWheelOnBackgroundComponent { |
| |
| private static final String FG = "Foreground"; |
| private static final String BG = "Background"; |
| |
| private static final String SCROLL_PANE = "scroller_"; |
| private static final String TEXT_PANE = "text_"; |
| |
| private static JFrame background; |
| private static JFrame foreground; |
| |
| private static final String LOREM_IPSUM = "Sed ut perspiciatis unde omnis iste natus " + |
| "error sit voluptatem accusantium doloremque laudantium, totam " + |
| "rem aperiam, eaque ipsa quae ab illo inventore veritatis et " + |
| "quasi architecto beatae vitae dicta sunt explicabo. Nemo enim " + |
| "ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit, " + |
| "sed quia consequuntur magni dolores eos qui ratione voluptatem sequi " + |
| "nesciunt. Neque porro quisquam est, qui dolorem ipsum quia dolor sit " + |
| "amet, consectetur, adipisci velit, sed quia non numquam eius modi tempora " + |
| "incidunt ut labore et dolore magnam aliquam quaerat voluptatem. " + |
| "Ut enim ad minima veniam, quis nostrum exercitationem ullam corporis " + |
| "suscipit laboriosam, nisi ut aliquid ex ea commodi consequatur? Quis " + |
| "autem vel eum iure reprehenderit qui in ea voluptate velit esse quam nihil " + |
| "molestiae consequatur, vel illum qui dolorem eum fugiat quo voluptas nulla " + |
| "pariatur?"; |
| |
| private static class FocusReporter implements FocusListener { |
| |
| private JComponent pane; |
| |
| Component lastFocusedComponent; |
| |
| public FocusReporter() { |
| } |
| |
| @Override |
| public void focusGained(FocusEvent e) { |
| lastFocusedComponent = e.getComponent(); |
| } |
| |
| @Override |
| public void focusLost(FocusEvent e) { |
| lastFocusedComponent = null; |
| } |
| } |
| |
| private static FocusReporter reporter; |
| |
| public static void main(String[] args) throws Exception { |
| |
| boolean passed = false; |
| |
| SwingUtilities.invokeAndWait(() -> { |
| reporter = new FocusReporter(); |
| |
| foreground = createFrame(FG, 100, 0, reporter); |
| background = createFrame(BG, 0, 100, reporter); |
| |
| background.pack(); |
| background.setVisible(true); |
| |
| foreground.pack(); |
| foreground.setVisible(true); |
| }); |
| |
| SwingUtilities.invokeAndWait(() -> { |
| foreground.toFront(); |
| }); |
| |
| Robot robot = new Robot(); |
| robot.waitForIdle(); |
| |
| robot.mouseMove(50, 300); |
| robot.waitForIdle(); |
| |
| robot.mouseWheel(-100); |
| robot.waitForIdle(); |
| |
| String shouldBeFocusedComponentName = TEXT_PANE + FG; |
| Component actual = reporter.lastFocusedComponent; |
| if (reporter.lastFocusedComponent != null && |
| shouldBeFocusedComponentName.equals(actual.getName())) |
| { |
| passed = true; |
| } |
| |
| robot.waitForIdle(); |
| |
| SwingUtilities.invokeAndWait(() -> { |
| foreground.dispatchEvent(new WindowEvent(foreground, WindowEvent.WINDOW_CLOSING)); |
| background.dispatchEvent(new WindowEvent(background, WindowEvent.WINDOW_CLOSING)); |
| }); |
| |
| robot.waitForIdle(); |
| |
| if (!passed) { |
| throw new RuntimeException("Wrong component has focus: " + actual); |
| } |
| } |
| |
| private static JFrame createFrame(String name, int x, int y, FocusReporter reporter) { |
| JFrame frame = new JFrame(name); |
| frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); |
| frame.setBounds(x, y, 600, 600); |
| frame.setPreferredSize(new Dimension(600, 600)); |
| |
| JTextArea text = new JTextArea(); |
| text.setText(LOREM_IPSUM); |
| for (int i = 0; i < 10; i++) { |
| text.append(LOREM_IPSUM); |
| } |
| |
| text.setLineWrap(true); |
| text.setName(TEXT_PANE + name); |
| text.addFocusListener(reporter); |
| |
| JScrollPane scroller = new JScrollPane(text); |
| scroller.setName(SCROLL_PANE + name); |
| scroller.setWheelScrollingEnabled(true); |
| scroller.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS); |
| scroller.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS); |
| scroller.addFocusListener(reporter); |
| |
| frame.add(scroller); |
| |
| return frame; |
| } |
| } |