diff --git a/test/jdk/java/awt/Focus/8282640/ScrollPaneFocusBugTest.java b/test/jdk/java/awt/Focus/8282640/ScrollPaneFocusBugTest.java new file mode 100644 index 00000000000..a2dec0faff7 --- /dev/null +++ b/test/jdk/java/awt/Focus/8282640/ScrollPaneFocusBugTest.java @@ -0,0 +1,131 @@ +/* + * Copyright (c) 2002, 2022, 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 + * @bug 4740761 + * @key headful + * @summary Focus stays with the ScrollPane despite + * it being removed from the Parent + * @run main ScrollPaneFocusBugTest + */ + +import java.awt.BorderLayout; +import java.awt.Container; +import java.awt.KeyboardFocusManager; +import java.awt.Robot; +import java.awt.event.InputEvent; +import java.awt.event.KeyAdapter; +import java.awt.event.KeyEvent; + +import javax.swing.JComponent; +import javax.swing.JFrame; +import javax.swing.JScrollPane; +import javax.swing.JTextArea; +import javax.swing.JTextField; +import javax.swing.SwingUtilities; + +public class ScrollPaneFocusBugTest { + + private static volatile String focussedComponentName; + private static JScrollPane scrollPane; + private static JFrame frame; + private static Robot robot; + + private static volatile int xLocn; + private static volatile int yLocn; + private static volatile int width; + private static volatile int height; + + public static JScrollPane + createScrollPaneComponent(JComponent componentToMoveFocusTo) { + JTextArea textArea = new JTextArea("1111\n2222\n3333\n4444\n5555\n"); + JScrollPane scrollPaneComponent = new JScrollPane(textArea); + textArea.addKeyListener(new KeyAdapter() { + public void keyTyped(KeyEvent e) { + Container parent = scrollPaneComponent.getParent(); + parent.remove(scrollPaneComponent); + parent.validate(); + parent.repaint(); + componentToMoveFocusTo.requestFocus(); + } + }); + return scrollPaneComponent; + } + + public static void main(String[] args) throws Exception { + SwingUtilities.invokeAndWait(() -> createGUI()); + + robot = new Robot(); + robot.setAutoDelay(200); + robot.setAutoWaitForIdle(true); + + pressKey(); + + SwingUtilities.invokeAndWait(() -> focussedComponentName = + KeyboardFocusManager.getCurrentKeyboardFocusManager() + .getFocusOwner().getClass().getName()); + + if (focussedComponentName.equals("javax.swing.JTextField")) { + System.out.println( + "Test Passed: Focus shifted to JTextField" + + "after removing ScrollPane"); + } else { + throw new RuntimeException( + "Test Failed: Focus did not shift to JTextField after" + + "removing ScrollPane, current" + + " Focus with " + focussedComponentName); + } + SwingUtilities.invokeAndWait(() -> frame.dispose()); + } + + protected static void pressKey() throws Exception { + SwingUtilities.invokeAndWait(() -> { + xLocn = scrollPane.getLocationOnScreen().x; + yLocn = scrollPane.getLocationOnScreen().y; + width = scrollPane.getSize().width; + height = scrollPane.getSize().height; + }); + + robot.mouseMove(xLocn + width / 2, yLocn + height / 2); + + robot.mousePress(InputEvent.BUTTON1_DOWN_MASK); + robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK); + + robot.keyPress(KeyEvent.VK_1); + robot.keyRelease(KeyEvent.VK_1); + } + + public static void createGUI() { + frame = new JFrame(); + frame.setLayout(new BorderLayout()); + JTextField textField = new JTextField("Second Component"); + frame.add(textField, BorderLayout.SOUTH); + scrollPane = createScrollPaneComponent(textField); + frame.add(scrollPane, BorderLayout.CENTER); + frame.pack(); + frame.setLocationRelativeTo(null); + frame.setVisible(true); + } +} +