1 /*
2 * Copyright 2003 Sun Microsystems, Inc. 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. Sun designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package java.awt.peer;
27
28 import java.awt.Window;
29 import java.awt.Point;
30
31 /**
32 * The peer interfaces are intended only for use in porting
33 * the AWT. They are not intended for use by application
34 * developers, and developers should not implement peers
35 * nor invoke any of the peer methods directly on the peer
36 * instances.
37 */
38 public interface MouseInfoPeer {
39
40 /**
41 * This method does two things: it fills the point fields with
42 * the current coordinates of the mouse cursor and returns the
43 * number of the screen device where the pointer is located.
44 * The number of the screen device is only returned for independent
45 * devices (which are not parts of a virtual screen device).
46 * For virtual screen devices, 0 is returned.
47 * Mouse coordinates are also calculated depending on whether
48 * or not the screen device is virtual. For virtual screen
49 * devices, pointer coordinates are calculated in the virtual
50 * coordinate system. Otherwise, coordinates are calculated in
51 * the coordinate system of the screen device where the pointer
52 * is located.
53 * See java.awt.GraphicsConfiguration documentation for more
54 * details about virtual screen devices.
55 */
56 int fillPointWithCoords(Point point);
57
58 /**
59 * Returns whether or not the window is located under the mouse
60 * pointer. The window is considered to be under the mouse pointer
61 * if it is showing on the screen, and the mouse pointer is above
62 * the part of the window that is not obscured by any other windows.
63 */
64 boolean isWindowUnderMouse(Window w);
65
66 }
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