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/*
* Copyright (c) 2023, 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.AWTException;
import java.awt.Color;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Window;
import javax.swing.JWindow;
import javax.swing.SwingUtilities;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.List;
/*
* @test
* @bug 8280482
* @key headful
* @summary Test to check if window GC doesn't change within same screen.
* @run main MultiScreenCheckScreenIDTest
*/
public class MultiScreenCheckScreenIDTest extends MouseAdapter {
private static final int COLS = 12;
private static final int ROWS = 8;
private static final Color BACKGROUND = new Color(0, 0, 255, 64);
private static GraphicsDevice[] screens;
static List<Window> windowList = new ArrayList<>();
static Robot robot;
static JWindow window;
public static void main(final String[] args) throws Exception {
try {
createGUI();
} finally {
for (Window win : windowList) {
win.dispose();
}
if (window != null) {
window.dispose();
}
}
System.out.println("Test Pass");
}
private static void createGUI() throws AWTException {
new MultiScreenCheckScreenIDTest().createWindowGrid();
}
private void createWindowGrid() throws AWTException {
screens = GraphicsEnvironment
.getLocalGraphicsEnvironment()
.getScreenDevices();
if (screens.length < 2) {
System.out.println("Testing aborted. Required min of 2 screens. " +
"Available : " + screens.length);
return;
}
robot = new Robot();
int screenNumber = 1;
for (GraphicsDevice screen : screens) {
Rectangle screenBounds = screen.getDefaultConfiguration().getBounds();
for (Rectangle r : gridOfRectangles(screenBounds, COLS, ROWS)) {
try {
SwingUtilities.invokeAndWait(() -> {
try {
window = createWindow(r);
} catch (Exception e) {
throw new RuntimeException(e);
}
});
} catch (InterruptedException | InvocationTargetException e) {
e.printStackTrace();
}
robot.delay(50);
robot.waitForIdle();
if (window.getBounds().intersects(screenBounds)) {
if (!(window.getGraphicsConfiguration().getBounds().
intersects(screenBounds))) {
throw new RuntimeException("Graphics configuration " +
"changed for screen :" + screenNumber);
}
}
windowList.add(window);
}
screenNumber++;
}
}
private JWindow createWindow(Rectangle bounds) {
JWindow window = new JWindow();
window.setBounds(bounds);
window.setBackground(BACKGROUND);
window.setAlwaysOnTop(true);
window.addMouseListener(this);
window.setVisible(true);
return window;
}
@Override
public void mouseClicked(MouseEvent e) {
((Window) e.getSource()).dispose();
}
private static List<Rectangle> gridOfRectangles(Rectangle r, int cols, int rows) {
List<Rectangle> l = new ArrayList<>();
for (int row = 0; row < rows; row++) {
int y1 = r.y + (int) Math.round(r.height * (double) row / rows);
int y2 = r.y + (int) Math.round(r.height * (double) (row + 1) / rows);
for (int col = 0; col < cols; col++) {
int x1 = r.x + (int) Math.round(r.width * (double) col / cols);
int x2 = r.x + (int) Math.round(r.width * (double) (col + 1) / cols);
l.add(new Rectangle(x1, y1, x2 - x1, y2 - y1));
}
}
return l;
}
}
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