| /* |
| * Copyright (c) 2007, 2008, 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 %W% %E% |
| @bug 6598089 |
| @summary Tests restoring focus on a single disabled coponent |
| @author Anton Tarasov: area=awt-focus |
| @library ../../regtesthelpers |
| @build Util |
| @run main RestoreFocusOnDisabledComponentTest |
| */ |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| import java.applet.Applet; |
| import test.java.awt.regtesthelpers.Util; |
| |
| /* |
| * The bug is not reproducible on Windows. |
| */ |
| public class RestoreFocusOnDisabledComponentTest extends Applet { |
| Frame frame = new Frame("Frame") {public String toString() {return "FRAME";}}; |
| Button b0 = new Button("button0") {public String toString() {return "B-0";}}; |
| Button b1 = new Button("button1") {public String toString() {return "B-1";}}; |
| volatile int nFocused; |
| Robot robot; |
| |
| public static void main(String[] args) { |
| RestoreFocusOnDisabledComponentTest app = new RestoreFocusOnDisabledComponentTest(); |
| app.init(); |
| app.start(); |
| } |
| |
| public void init() { |
| robot = Util.createRobot(); |
| } |
| |
| public void start() { |
| frame.add(b0); |
| frame.add(b1); |
| frame.setLayout(new FlowLayout()); |
| frame.pack(); |
| |
| frame.setVisible(true); |
| |
| Util.waitForIdle(robot); |
| KeyboardFocusManager.setCurrentKeyboardFocusManager(new DefaultKeyboardFocusManager() { |
| public boolean dispatchEvent(AWTEvent e) { |
| if (e.getID() == FocusEvent.FOCUS_GAINED) { |
| // Trying to emulate timings. b1 should be disabled just by the time it gets |
| // FOCUS_GAINED event. The latter is a result of disabling b0 that initiates |
| // focus auto transfer. |
| if (e.getSource() == b1) { |
| b1.setEnabled(false); |
| |
| } else if (e.getSource() == b0) { |
| if (++nFocused > 10) { |
| nFocused = -1; |
| throw new TestFailedException("Focus went into busy loop!"); |
| } |
| } |
| } |
| return super.dispatchEvent(e); |
| } |
| }); |
| // Initiating focus auto transfer. |
| // Focus will be requested to b1. When FOCUS_GAINED is being dispatched to b1, it will |
| // be disabled. This will trigger focus restoring. Focus will be requested to b0 (the |
| // last opposite component). When FOCUS_GAINED is being dispatched to b0, it will |
| // also be disabled. However, the last opposite component (and the most recent focus owner) |
| // will still be b0. When DKFM initiates focus restoring it should detect restoring |
| // on the same component and break. |
| b0.setEnabled(false); |
| |
| Util.waitForIdle(robot); |
| if (nFocused != -1) { |
| System.out.println("Test passed."); |
| } |
| } |
| } |
| |
| class TestFailedException extends RuntimeException { |
| TestFailedException(String msg) { |
| super("Test failed: " + msg); |
| } |
| } |