Java tutorial
//package com.java2s; /* * Copyright appNativa Inc. All Rights Reserved. * * This file is part of the Real-time Application Rendering Engine (RARE). * * RARE is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program 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 for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ import java.awt.Component; import java.awt.GraphicsConfiguration; import java.awt.GraphicsDevice; import java.awt.GraphicsEnvironment; import java.awt.Window; import javax.swing.SwingUtilities; public class Main { public static int getMonitor(Component c) { Window w = (c instanceof Window) ? (Window) c : SwingUtilities.windowForComponent(c); GraphicsConfiguration gc = (w == null) ? null : w.getGraphicsConfiguration(); GraphicsDevice gd = (gc == null) ? null : gc.getDevice(); GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); GraphicsDevice[] gs = ge.getScreenDevices(); for (int i = 0; i < gs.length; i++) { if (gs[i].equals(gd)) { return i; } } return -1; } }