85 lines
3.5 KiB
Java
85 lines
3.5 KiB
Java
/*
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* Copyright (c) 2019, 2020, 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 8226783 8247753
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* @key headful
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* @summary Verify System L&F
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*/
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/*
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* Verify the System LAF is what we expect based on platform and,
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* in at least one case, the desktop environment.
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* Since changes to the system LAF are a once in a blue moon event,
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* this test is useful to tell us of unexpected problems.
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* Note: this test must be run in a headful environment
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* since otherwise a system LAF may not be available.
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*/
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public class SystemLookAndFeelTest {
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public static void main(String[] args) {
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String laf = javax.swing.UIManager.getSystemLookAndFeelClassName();
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String os = System.getProperty("os.name").toLowerCase();
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System.out.println("OS is " + os);
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System.out.println("Reported System LAF is " + laf);
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String expLAF = null;
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if (os.contains("windows")) {
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expLAF = "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";
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} else if (os.contains("macos")) {
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expLAF = "com.apple.laf.AquaLookAndFeel";
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} else if (os.contains("linux")) {
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/*
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* The implementation keys off the following desktop setting to
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* decide if GTK is an appropriate system L&F.
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* In its absence, there probably isn't support for the GTK L&F
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* anyway. It does not tell us if the GTK libraries are available
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* but they really should be if this is a gnome session.
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* If it proves necessary the test can perhaps be updated to see
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* if the GTK LAF is listed as installed and can be instantiated.
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*/
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String gnome = System.getenv("GNOME_DESKTOP_SESSION_ID");
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String desktop = System.getenv("XDG_CURRENT_DESKTOP");
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System.out.println("Gnome desktop session ID is " + gnome);
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System.out.println("XDG_CURRENT_DESKTOP is set to " + desktop);
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if (gnome != null ||
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(desktop != null && desktop.toLowerCase().contains("gnome"))) {
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expLAF = "com.sun.java.swing.plaf.gtk.GTKLookAndFeel";
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} else {
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expLAF = "javax.swing.plaf.metal.MetalLookAndFeel";
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}
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}
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System.out.println("Expected System LAF is " + expLAF);
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if (expLAF == null) {
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System.out.println("No match for expected LAF, unknown OS ?");
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return;
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}
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if (!(laf.equals(expLAF))) {
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throw new RuntimeException("LAF not as expected");
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}
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}
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}
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