/* * Copyright (c) 2020, 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 8253016 @key headful @summary Verifies Box.Filler components should be unfocusable by default @run main TestBoxFiller */ import java.awt.ContainerOrderFocusTraversalPolicy; import java.awt.KeyboardFocusManager; import java.beans.PropertyChangeEvent; import javax.swing.Box; import javax.swing.JFrame; import javax.swing.JTextField; import javax.swing.SwingUtilities; import java.awt.Robot; import java.awt.event.KeyEvent; public class TestBoxFiller { private static JFrame frame; private static void showFocusOwner(PropertyChangeEvent e) { Object c = e.getNewValue(); if (c instanceof Box.Filler) { throw new RuntimeException("Box.Filler having focus"); } } public static void main(String[] args) throws Exception { try { Robot robot = new Robot(); robot.setAutoDelay(100); SwingUtilities.invokeAndWait(() -> { frame = new JFrame(); KeyboardFocusManager m = KeyboardFocusManager.getCurrentKeyboardFocusManager(); m.addPropertyChangeListener("focusOwner", TestBoxFiller::showFocusOwner); Box box = Box.createHorizontalBox(); JTextField tf1 = new JTextField("Test"); tf1.setColumns(40); JTextField tf2 = new JTextField("Test"); tf2.setColumns(40); box.add(tf1); box.add(Box.createHorizontalStrut(20)); box.add(tf2); frame.setContentPane(box); frame.setFocusTraversalPolicy(new ContainerOrderFocusTraversalPolicy()); frame.pack(); frame.setVisible(true); frame.setLocationRelativeTo(null); tf1.requestFocusInWindow(); }); robot.waitForIdle(); robot.keyPress(KeyEvent.VK_TAB); robot.keyRelease(KeyEvent.VK_TAB); } finally { if (frame != null) { SwingUtilities.invokeAndWait(frame::dispose); } } } }