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xclick Scilab Group Scilab Function xclick
NAME
xclick - wait for a mouse click
CALLING SEQUENCE
[c_i,c_x,c_y,c_w,c_m]=xclick([flag])
PARAMETERS
c_i : integer, mouse button number.
c_x,c_y : real scalars, position of the mouse.
c_w : integer, window number.
c_m : string, menu callback.
flag : integer. If present, the click event queue is not cleared
when entering xclick.
DESCRIPTION
xclick waits for a mouse click in the graphics window. If it is called
with 3 left hand side arguments, it waits for a mouse click in the
current graphics window.
If it is called with 4 or 5 left hand side arguments, it waits for a
mouse click in any graphics window.
The returned values are described below.
c_i : an integer which gives the number of the mouse button that
was pressed 0, 1 or 2 (for left, middle and right) or -1 in
case of problems with xclick.
c_x,c_y : the coordinates of the position of the mouse click in the
current graphics scale.
c_w : the window number where the click has occurred.
c_m : string associated with a dynamic menu. If xclick returns due
to a click on a menu, c_i, c_x, c_y, and c_w take arbitrary
values.
KNOWN TROUBLES
xclick can return the message "Can't grab the pointer" if the graphics
window is iconified when calling it.
SEE ALSO
locate, xgetmouse
AUTHOR
J.Ph.C.
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