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* Mouse Position:: Asking where the mouse is, or moving it.
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The functions mouse-position
, mouse-pixel-position
,
set-mouse-position
and set-mouse-pixel-position
give
access to the current position of the mouse.
This function returns a list (window x . y) giving the current mouse window and position. The position is given in character cells, where ‘(0, 0)’ is the upper-left corner.
device specifies the device on which to read the mouse position,
and defaults to the selected device. If the device is a mouseless
terminal or XEmacs hasn’t been programmed to read its mouse position, it
returns the device’s selected window for window and nil
for
x and y.
This function returns a list (window x . y) giving the current mouse window and position. The position is given in pixel units, where ‘(0, 0)’ is the upper-left corner.
device specifies the device on which to read the mouse position,
and defaults to the selected device. If the device is a mouseless
terminal or XEmacs hasn’t been programmed to read its mouse position, it
returns the device’s selected window for window and nil
for
x and y.
This function warps the mouse to the center of character position x, y in frame window. The arguments x and y are integers, giving the position in characters relative to the top left corner of window.
Warping the mouse means changing the screen position of the mouse as if the user had moved the physical mouse—thus simulating the effect of actual mouse motion.
This function warps the mouse to pixel position x, y in frame window. The arguments x and y are integers, giving the position in pixels relative to the top left corner of window.
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