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| 1 | /* | ||
| 2 | * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package java.awt.peer; | ||
| 27 | |||
| 28 | import java.awt.Window; | ||
| 29 | import java.awt.Point; | ||
| 30 | |||
| 31 | /** | ||
| 32 | * Peer interface for {@link MouseInfo}. This is used to get some additional | ||
| 33 | * information about the mouse. | ||
| 34 | * | ||
| 35 | * The peer interfaces are intended only for use in porting | ||
| 36 | * the AWT. They are not intended for use by application | ||
| 37 | * developers, and developers should not implement peers | ||
| 38 | * nor invoke any of the peer methods directly on the peer | ||
| 39 | * instances. | ||
| 40 | */ | ||
| 41 | public interface MouseInfoPeer { | ||
| 42 | |||
| 43 | /** | ||
| 44 | * This method does two things: it fills the point fields with | ||
| 45 | * the current coordinates of the mouse cursor and returns the | ||
| 46 | * number of the screen device where the pointer is located. | ||
| 47 | * The number of the screen device is only returned for independent | ||
| 48 | * devices (which are not parts of a virtual screen device). | ||
| 49 | * For virtual screen devices, 0 is returned. | ||
| 50 | * Mouse coordinates are also calculated depending on whether | ||
| 51 | * or not the screen device is virtual. For virtual screen | ||
| 52 | * devices, pointer coordinates are calculated in the virtual | ||
| 53 | * coordinate system. Otherwise, coordinates are calculated in | ||
| 54 | * the coordinate system of the screen device where the pointer | ||
| 55 | * is located. | ||
| 56 | * See java.awt.GraphicsConfiguration documentation for more | ||
| 57 | * details about virtual screen devices. | ||
| 58 | */ | ||
| 59 | int fillPointWithCoords(Point point); | ||
| 60 | |||
| 61 | /** | ||
| 62 | * Returns whether or not the window is located under the mouse | ||
| 63 | * pointer. The window is considered to be under the mouse pointer | ||
| 64 | * if it is showing on the screen, and the mouse pointer is above | ||
| 65 | * the part of the window that is not obscured by any other windows. | ||
| 66 | */ | ||
| 67 | boolean isWindowUnderMouse(Window w); | ||
| 68 | |||
| 69 | } | ||