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/*
* Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2021, JetBrains s.r.o.. 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
* @key headful
* @summary Verifies the client property xawt.mwm_decor_title for Linux.
* Note: the test requires GNOME Shell window manager and will automatically
* pass with any other WM.
* @requires (os.family == "linux")
* @run main WindowTitleVisibleTestLinuxGnome
*/
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import javax.swing.*;
import java.nio.charset.StandardCharsets;
import java.io.File;
import javax.imageio.*;
public class WindowTitleVisibleTestLinuxGnome
{
private static WindowTitleVisibleTestLinuxGnome theTest;
private Robot robot;
private JFrame frame;
private JRootPane rootPane;
private Rectangle titleBarBounds;
private BufferedImage titleBarImageVisible;
private BufferedImage titleBarImageNotVisible;
private int DELAY = 1000;
public WindowTitleVisibleTestLinuxGnome() {
try {
robot = new Robot();
} catch (AWTException ex) {
throw new RuntimeException(ex);
}
}
public void performTest() {
constructAndShowFrame();
robot.delay(DELAY);
Insets insets = frame.getInsets();
Rectangle bounds = frame.getBounds();
titleBarBounds = new Rectangle(bounds.x, bounds.y, bounds.width, insets.top);
captureTitleBarVisible();
robot.delay(DELAY);
hideTitleBar();
robot.delay(DELAY);
captureTitleBarNotVisible();
if (imagesEqual(titleBarImageVisible, titleBarImageNotVisible)) {
throw new RuntimeException("Test failed: title bars shown and hidden are the same.");
}
runSwing(() -> frame.dispose());
frame = null;
rootPane = null;
}
private static boolean imagesEqual(BufferedImage img1, BufferedImage img2) {
for (int px = 0; px < img1.getWidth(); px++) {
for (int py = 0; py < img1.getHeight(); py++) {
int rgb1 = img1.getRGB(px, py);
int rgb2 = img2.getRGB(px, py);
if (rgb1 != rgb2) {
return false;
}
}
}
return true;
}
private void captureTitleBarNotVisible() {
titleBarImageNotVisible = robot.createScreenCapture(titleBarBounds);
}
private void hideTitleBar() {
runSwing( () -> {
rootPane.putClientProperty("xawt.mwm_decor_title", false);
frame.setVisible(false);
frame.setVisible(true);
});
}
private void captureTitleBarVisible() {
titleBarImageVisible = robot.createScreenCapture(titleBarBounds);
}
private void constructAndShowFrame() {
runSwing(() -> {
frame = new JFrame("IIIIIIIIIIIIIIII");
frame.setBounds(100, 100, 300, 150);
rootPane = frame.getRootPane();
rootPane.putClientProperty("xawt.mwm_decor_title", true);
JComponent contentPane = (JComponent) frame.getContentPane();
JPanel comp = new JPanel();
contentPane.add(comp);
comp.setBackground(Color.RED);
frame.setVisible(true);
});
}
public void dispose() {
if (frame != null) {
frame.dispose();
frame = null;
}
}
private static void runSwing(Runnable r) {
try {
SwingUtilities.invokeAndWait(r);
} catch (InterruptedException e) {
} catch (InvocationTargetException e) {
throw new RuntimeException(e);
}
}
private static String getWindowManagerID() {
String WMID = null;
try {
Process p = new ProcessBuilder("xprop", "-root", "_NET_SUPPORTING_WM_CHECK").start();
System.out.println( new String(p.getErrorStream().readAllBytes(), StandardCharsets.UTF_8) );
String stdout = new String(p.getInputStream().readAllBytes(), StandardCharsets.UTF_8);
final String windowID = stdout.substring(stdout.lastIndexOf(" ")).strip();
p = new ProcessBuilder("xprop", "-id", windowID, "_NET_WM_NAME").start();
System.out.println( new String(p.getErrorStream().readAllBytes(), StandardCharsets.UTF_8) );
stdout = new String(p.getInputStream().readAllBytes(), StandardCharsets.UTF_8);
WMID = stdout.substring(stdout.lastIndexOf("=")).strip();
System.out.println("WM name: " + WMID);
}
catch (Exception e) {
e.printStackTrace();
}
return WMID;
}
public static void main(String[] args) {
final String WMID = getWindowManagerID();
if (WMID == null) {
System.out.println("Failed to determine Window Manager. The test will not run and is considered passed.");
return;
} else if (!WMID.toLowerCase().contains("gnome")) {
System.out.println("Window Manager " + WMID + " is not supported, only GNOME is. The test will not run and is considered passed.");
return;
}
try {
runSwing(() -> theTest = new WindowTitleVisibleTestLinuxGnome());
theTest.performTest();
} finally {
if (theTest != null) {
runSwing(() -> theTest.dispose());
}
}
}
}
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