Java tutorial
/* * Copyright (c) 2003, 2014, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. */ package java.awt; /** * A class that describes the pointer position. * It provides the {@code GraphicsDevice} where the pointer is and * the {@code Point} that represents the coordinates of the pointer. * <p> * Instances of this class should be obtained via * {@link MouseInfo#getPointerInfo}. * The {@code PointerInfo} instance is not updated dynamically as the mouse * moves. To get the updated location, you must call * {@link MouseInfo#getPointerInfo} again. * * @see MouseInfo#getPointerInfo * @author Roman Poborchiy * @since 1.5 */ public class PointerInfo { private final GraphicsDevice device; private final Point location; /** * Package-private constructor to prevent instantiation. */ PointerInfo(final GraphicsDevice device, final Point location) { this.device = device; this.location = location; } /** * Returns the {@code GraphicsDevice} where the mouse pointer was at the * moment this {@code PointerInfo} was created. * * @return {@code GraphicsDevice} corresponding to the pointer * @since 1.5 */ public GraphicsDevice getDevice() { return device; } /** * Returns the {@code Point} that represents the coordinates of the pointer * on the screen. See {@link MouseInfo#getPointerInfo} for more information * about coordinate calculation for multiscreen systems. * * @return coordinates of mouse pointer * @see MouseInfo * @see MouseInfo#getPointerInfo * @since 1.5 */ public Point getLocation() { return location; } }