| /* |
| * Copyright (c) 2017, 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. |
| */ |
| |
| import java.awt.Dimension; |
| import java.awt.EventQueue; |
| import java.awt.FlowLayout; |
| import java.awt.Font; |
| import java.awt.Robot; |
| import java.awt.Toolkit; |
| import java.lang.reflect.Method; |
| |
| import javax.swing.JButton; |
| import javax.swing.JFrame; |
| import javax.swing.UIManager; |
| import javax.swing.plaf.FontUIResource; |
| |
| /** |
| * @test |
| * @key headful |
| * @bug 8075255 |
| * @summary tests if the desktop property changes this will force the UIs to |
| * update all known Frames |
| * @requires (os.family == "windows") |
| * @modules java.desktop/sun.awt |
| */ |
| public final class RevalidateOnPropertyChange { |
| |
| private static JFrame frame; |
| private static JButton button; |
| private static volatile Dimension sizeAfter; |
| private static volatile Dimension sizeBefore; |
| private static volatile boolean flag; |
| |
| public static void main(String[] args) throws Exception { |
| System.setProperty("swing.useSystemFontSettings", "true"); |
| UIManager.put("Application.useSystemFontSettings", true); |
| |
| // this functionality is supported on windows in "Windows and Metal L&F" |
| test("com.sun.java.swing.plaf.windows.WindowsLookAndFeel", |
| "win.defaultGUI.font", |
| new Font(Font.DIALOG, FontUIResource.BOLD, 40)); |
| test("javax.swing.plaf.metal.MetalLookAndFeel", |
| "win.ansiVar.font.height", 70); |
| } |
| |
| /** |
| * Emulates the property change via reflection. |
| */ |
| static void test(String laf, String prop, Object value) throws Exception { |
| Class cls = Toolkit.class; |
| Method setDesktopProperty = |
| cls.getDeclaredMethod("setDesktopProperty", String.class, |
| Object.class); |
| setDesktopProperty.setAccessible(true); |
| |
| UIManager.setLookAndFeel(laf); |
| EventQueue.invokeAndWait(RevalidateOnPropertyChange::createGUI); |
| |
| Robot r = new Robot(); |
| r.waitForIdle(); |
| |
| EventQueue.invokeAndWait(() -> { |
| sizeBefore = button.getSize(); |
| }); |
| |
| Toolkit toolkit = Toolkit.getDefaultToolkit(); |
| toolkit.addPropertyChangeListener(prop, evt -> flag = true); |
| setDesktopProperty.invoke(toolkit, prop, value); |
| r.waitForIdle(); |
| |
| EventQueue.invokeAndWait(() -> { |
| sizeAfter = button.getSize(); |
| frame.dispose(); |
| }); |
| |
| if (!flag) { |
| throw new RuntimeException("The listener was not notified"); |
| } |
| if (sizeAfter.equals(sizeBefore)) { |
| throw new RuntimeException("Size was not changed :" + sizeAfter); |
| } |
| } |
| |
| private static void createGUI() { |
| frame = new JFrame(); |
| button = new JButton(UIManager.getLookAndFeel().getName()); |
| frame.setLayout(new FlowLayout()); |
| frame.getContentPane().add(button); |
| frame.setSize(400, 400); |
| frame.setLocationRelativeTo(null); |
| frame.setVisible(true); |
| } |
| } |