70 lines
2.9 KiB
Java
70 lines
2.9 KiB
Java
/*
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* Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.awt.peer;
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import java.awt.Window;
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import java.awt.Point;
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/**
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* Peer interface for {@link MouseInfo}. This is used to get some additional
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* information about the mouse.
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*
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* The peer interfaces are intended only for use in porting
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* the AWT. They are not intended for use by application
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* developers, and developers should not implement peers
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* nor invoke any of the peer methods directly on the peer
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* instances.
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*/
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public interface MouseInfoPeer {
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/**
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* This method does two things: it fills the point fields with
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* the current coordinates of the mouse cursor and returns the
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* number of the screen device where the pointer is located.
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* The number of the screen device is only returned for independent
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* devices (which are not parts of a virtual screen device).
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* For virtual screen devices, 0 is returned.
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* Mouse coordinates are also calculated depending on whether
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* or not the screen device is virtual. For virtual screen
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* devices, pointer coordinates are calculated in the virtual
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* coordinate system. Otherwise, coordinates are calculated in
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* the coordinate system of the screen device where the pointer
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* is located.
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* See java.awt.GraphicsConfiguration documentation for more
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* details about virtual screen devices.
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*/
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int fillPointWithCoords(Point point);
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/**
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* Returns whether or not the window is located under the mouse
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* pointer. The window is considered to be under the mouse pointer
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* if it is showing on the screen, and the mouse pointer is above
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* the part of the window that is not obscured by any other windows.
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*/
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boolean isWindowUnderMouse(Window w);
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}
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