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package java.awt.peer;

import java.awt.Window;
import java.awt.Point;


Peer interface for 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. 
/**
 * Peer interface for {@link java.awt.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.

Params:
  • point – holder for the current coordinates of the mouse
cursor
Returns:the number of the screen device where the pointer is
located
/**
     * 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.
     * @param point holder for the current coordinates of the mouse
     * cursor
     * @return the number of the screen device where the pointer is
     * located
     */
    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.

Params:
  • w – the window to check
Returns:whether or not the window is located under the mouse
pointer
/**
     * 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.
     * @param w the window to check
     * @return whether or not the window is located under the mouse
     * pointer
     */
    boolean isWindowUnderMouse(Window w);

}