Showing the changes to java/pkg/java/awt/peer/MouseInfoPeer.java (1 of 18352 files). Show all
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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 | +} | |