/* * Copyright (c) 2003, 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.peer; import java.awt.Window;import java.awt.Point; /** * Peer interface for {@link MouseInfo}. This is used to get some additional * information about the mouse. * * The peer interfaces are intended only for use in porting * the AWT. They are not intended for use by application * developers, and developers should not implement peers * nor invoke any of the peer methods directly on the peer * instances. */public interface MouseInfoPeer {     /**     * This method does two things: it fills the point fields with     * the current coordinates of the mouse cursor and returns the     * number of the screen device where the pointer is located.     * The number of the screen device is only returned for independent     * devices (which are not parts of a virtual screen device).     * For virtual screen devices, 0 is returned.     * Mouse coordinates are also calculated depending on whether     * or not the screen device is virtual. For virtual screen     * devices, pointer coordinates are calculated in the virtual     * coordinate system. Otherwise, coordinates are calculated in     * the coordinate system of the screen device where the pointer     * is located.     * See java.awt.GraphicsConfiguration documentation for more     * details about virtual screen devices.     */    int fillPointWithCoords(Point point);     /**     * Returns whether or not the window is located under the mouse     * pointer. The window is considered to be under the mouse pointer     * if it is showing on the screen, and the mouse pointer is above     * the part of the window that is not obscured by any other windows.     */    boolean isWindowUnderMouse(Window w); }