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/*
* Copyright (c) 2006, 2025, 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
* @key headful
* @bug 8020443 6899304 4737732
* @summary Tests that Toolkit.getScreenInsets() returns correct insets
* @library /test/lib
* @build jdk.test.lib.Platform
* @run main ScreenInsetsTest
*/
import java.awt.Frame;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.Toolkit;
import jdk.test.lib.Platform;
public class ScreenInsetsTest {
private static final int SIZE = 100;
// Allow a margin tolerance of 1 pixel due to scaling
private static final int MARGIN_TOLERANCE = 1;
public static void main(String[] args) throws InterruptedException {
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice[] gds = ge.getScreenDevices();
for (int screen = 0; screen < gds.length; ++screen) {
GraphicsDevice gd = gds[screen];
GraphicsConfiguration gc = gd.getDefaultConfiguration();
Rectangle bounds = gc.getBounds();
Insets insets = Toolkit.getDefaultToolkit().getScreenInsets(gc);
int workAreaWidth = bounds.width - insets.left - insets.right;
int workAreaHeight = bounds.height - insets.top - insets.bottom;
System.out.println("Screen #" + screen);
System.out.println("Screen Bounds: " + bounds);
System.out.println("Insets: " + insets);
Frame frame = new Frame(gc);
frame.setLocation(bounds.x + (bounds.width - SIZE) / 2,
bounds.y + (bounds.height - SIZE) / 2);
frame.setSize(SIZE, SIZE);
/*
* On Windows, undecorated maximized frames are placed over the taskbar.
* Use a decorated frame instead.
*/
if (Platform.isWindows()) {
frame.setUndecorated(false);
} else {
frame.setUndecorated(true);
}
frame.setVisible(true);
// Maximize Frame to reach the struts
frame.setExtendedState(java.awt.Frame.MAXIMIZED_BOTH);
Thread.sleep(2000);
Rectangle frameBounds = frame.getBounds();
System.out.println("Frame bounds: " + frameBounds);
frame.dispose();
/*
* On Windows, the top-left corner of an undecorated maximized frame
* may have negative coordinates (x, y).
* Adjust the frame bounds accordingly.
*/
if (frameBounds.x < bounds.x) {
frameBounds.width -= (bounds.x - frameBounds.x) * 2;
frameBounds.x = bounds.x;
}
if (frameBounds.y < bounds.y) {
frameBounds.height -= (bounds.y - frameBounds.y) * 2;
frameBounds.y = bounds.y;
}
System.out.println("Adjusted Frame bounds: " + frameBounds);
if (bounds.x + insets.left != frameBounds.x
|| bounds.y + insets.top != frameBounds.y
|| Math.abs(workAreaWidth - frameBounds.width) > MARGIN_TOLERANCE
|| Math.abs(workAreaHeight - frameBounds.height) > MARGIN_TOLERANCE) {
throw new RuntimeException("Test FAILED! Wrong screen #" +
screen + " insets: " + insets);
}
}
System.out.println("Test PASSED!");
}
}
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