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/*
* Copyright (c) 2002, 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
* @bug 4624845
* @requires (os.family == "windows")
* @summary Tests how submenus in WinLAF are painted
* @key headful
* @run main bug4624845
*/
import java.awt.Color;
import java.awt.Point;
import java.awt.Robot;
import java.awt.event.InputEvent;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
public class bug4624845 {
private static JFrame f;
private static JMenu menu, subMenu;
private static JMenuItem menuItem;
private static volatile Point menuLocation;
private static volatile Point subMenuLocation;
private static volatile Point menuItemLocation;
private static volatile int menuWidth;
private static volatile int menuHeight;
private static volatile int subMenuWidth;
private static volatile int subMenuHeight;
private static volatile int menuItemWidth;
private static volatile int menuItemHeight;
private static Color menuItemColor;
private static Color subMenuColor;
private static boolean passed;
private final static int OFFSET = 2;
private static final int COLOR_TOLERANCE = 10;
public static void main(String[] args) throws Exception {
try {
UIManager.setLookAndFeel
("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");
} catch (Exception e) {
throw new RuntimeException("Failed to set Windows LAF");
}
try {
bug4624845 test = new bug4624845();
SwingUtilities.invokeAndWait(() -> test.createUI());
runTest();
verifyColor();
} finally {
SwingUtilities.invokeAndWait(() -> {
if (f != null) {
f.dispose();
}
});
}
if (!passed) {
throw new RuntimeException("Nested MenuItem color : " +
menuItemColor + " is not similar to sub Menu color : "
+ subMenuColor);
}
}
private void createUI() {
f = new JFrame("bug4624845");
menu = new JMenu("Menu");
menu.add(new JMenuItem("Item 1"));
subMenu = new JMenu("Submenu");
menuItem = new JMenuItem("This");
subMenu.add(menuItem);
subMenu.add(new JMenuItem("That"));
menu.add(subMenu);
JMenuBar mBar = new JMenuBar();
mBar.add(menu);
f.add(mBar);
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
private static void runTest() throws Exception {
Robot robot = new Robot();
robot.setAutoDelay(200);
robot.waitForIdle();
SwingUtilities.invokeAndWait(() -> {
menuLocation = menu.getLocationOnScreen();
menuWidth = menu.getWidth();
menuHeight = menu.getHeight();
});
robot.mouseMove(menuLocation.x + menuWidth / 2,
menuLocation.y + menuHeight / 2 );
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.waitForIdle();
SwingUtilities.invokeAndWait(() -> {
subMenuLocation = subMenu.getLocationOnScreen();
subMenuWidth = subMenu.getWidth();
subMenuHeight = subMenu.getHeight();
});
robot.mouseMove(subMenuLocation.x + subMenuWidth / 2,
subMenuLocation.y + subMenuHeight / 2 );
robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
robot.waitForIdle();
subMenuColor = robot.
getPixelColor(subMenuLocation.x + OFFSET,
subMenuLocation.y + OFFSET);
SwingUtilities.invokeAndWait(() -> {
menuItemLocation = menuItem.getLocationOnScreen();
menuItemWidth = subMenu.getWidth();
menuItemHeight = subMenu.getHeight();
});
robot.mouseMove(menuItemLocation.x + menuItemWidth / 2,
menuItemLocation.y + menuItemHeight / 2 );
robot.waitForIdle();
menuItemColor = robot.
getPixelColor(menuItemLocation.x + OFFSET,
menuItemLocation.y + OFFSET);
}
private static void verifyColor() {
int red1 = subMenuColor.getRed();
int blue1 = subMenuColor.getBlue();
int green1 = subMenuColor.getGreen();
int red2 = menuItemColor.getRed();
int blue2 = menuItemColor.getBlue();
int green2 = menuItemColor.getGreen();
passed = true;
if ((Math.abs(red1 - red2) > COLOR_TOLERANCE)
|| (Math.abs(green1 - green2) > COLOR_TOLERANCE)
|| (Math.abs(blue1 - blue2) > COLOR_TOLERANCE)) {
passed = false;
}
}
}
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