132 lines
4.5 KiB
Java
132 lines
4.5 KiB
Java
/*
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* Copyright (c) 2002, 2022, 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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/*
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* @test
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* @bug 4740761
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* @key headful
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* @summary Focus stays with the ScrollPane despite
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* it being removed from the Parent
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* @run main ScrollPaneFocusBugTest
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*/
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import java.awt.BorderLayout;
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import java.awt.Container;
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import java.awt.KeyboardFocusManager;
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import java.awt.Robot;
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import java.awt.event.InputEvent;
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import java.awt.event.KeyAdapter;
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import java.awt.event.KeyEvent;
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import javax.swing.JComponent;
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import javax.swing.JFrame;
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import javax.swing.JScrollPane;
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import javax.swing.JTextArea;
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import javax.swing.JTextField;
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import javax.swing.SwingUtilities;
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public class ScrollPaneFocusBugTest {
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private static volatile String focussedComponentName;
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private static JScrollPane scrollPane;
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private static JFrame frame;
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private static Robot robot;
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private static volatile int xLocn;
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private static volatile int yLocn;
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private static volatile int width;
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private static volatile int height;
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public static JScrollPane
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createScrollPaneComponent(JComponent componentToMoveFocusTo) {
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JTextArea textArea = new JTextArea("1111\n2222\n3333\n4444\n5555\n");
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JScrollPane scrollPaneComponent = new JScrollPane(textArea);
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textArea.addKeyListener(new KeyAdapter() {
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public void keyTyped(KeyEvent e) {
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Container parent = scrollPaneComponent.getParent();
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parent.remove(scrollPaneComponent);
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parent.validate();
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parent.repaint();
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componentToMoveFocusTo.requestFocus();
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}
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});
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return scrollPaneComponent;
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}
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public static void main(String[] args) throws Exception {
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SwingUtilities.invokeAndWait(() -> createGUI());
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robot = new Robot();
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robot.setAutoDelay(200);
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robot.setAutoWaitForIdle(true);
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pressKey();
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SwingUtilities.invokeAndWait(() -> focussedComponentName =
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KeyboardFocusManager.getCurrentKeyboardFocusManager()
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.getFocusOwner().getClass().getName());
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if (focussedComponentName.equals("javax.swing.JTextField")) {
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System.out.println(
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"Test Passed: Focus shifted to JTextField"
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+ "after removing ScrollPane");
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} else {
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throw new RuntimeException(
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"Test Failed: Focus did not shift to JTextField after"
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+ "removing ScrollPane, current"
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+ " Focus with " + focussedComponentName);
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}
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SwingUtilities.invokeAndWait(() -> frame.dispose());
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}
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protected static void pressKey() throws Exception {
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SwingUtilities.invokeAndWait(() -> {
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xLocn = scrollPane.getLocationOnScreen().x;
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yLocn = scrollPane.getLocationOnScreen().y;
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width = scrollPane.getSize().width;
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height = scrollPane.getSize().height;
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});
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robot.mouseMove(xLocn + width / 2, yLocn + height / 2);
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robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
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robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
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robot.keyPress(KeyEvent.VK_1);
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robot.keyRelease(KeyEvent.VK_1);
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}
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public static void createGUI() {
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frame = new JFrame();
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frame.setLayout(new BorderLayout());
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JTextField textField = new JTextField("Second Component");
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frame.add(textField, BorderLayout.SOUTH);
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scrollPane = createScrollPaneComponent(textField);
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frame.add(scrollPane, BorderLayout.CENTER);
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frame.pack();
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frame.setLocationRelativeTo(null);
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frame.setVisible(true);
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}
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}
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