Returns the screen ID of the specified window. - Java 2D Graphics

Java examples for 2D Graphics:Screen

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Description

Returns the screen ID of the specified window.

Demo Code

/*/*from   w  ww . j  av  a2s  .  com*/
 * Copyright 2012 Michael Hoffer <info@michaelhoffer.de>. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *
 *    2. Redistributions in binary form must reproduce the above copyright notice, this list
 *       of conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY Michael Hoffer <info@michaelhoffer.de> "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Michael Hoffer <info@michaelhoffer.de> OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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 * or implied, of Michael Hoffer <info@michaelhoffer.de>.
 */
//package com.java2s;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;

import java.awt.Window;

public class Main {
    /**
     * Returns the screen ID of the specified window. This method can be used to
     * find out on which screen the specified window is displayed.
     *
     * @return the screen id or
     * <code>-1</code> if no screen can be found
     */
    public static int getScreenId(Window w) {
        int result = -1;

        GraphicsDevice d = w.getGraphicsConfiguration().getDevice();

        GraphicsEnvironment graphicsEnvironment = GraphicsEnvironment
                .getLocalGraphicsEnvironment();

        GraphicsDevice[] devices = graphicsEnvironment.getScreenDevices();

        for (int i = 0; i < devices.length; i++) {
            if (d.equals(devices[i])) {
                result = i;
                break;
            }
        }

        return result;
    }
}

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