(window-viewport-position #&optional (win (get-window)))
Return the position of WIN in pixels within the viewport.
The position is returned as a list of the x coordinate and the y
coordinate in pixels. WIN defaults to the window context in the usual
way if not specified. See also window-position.
Module: (app scwm base)
Defined in scheme/base.scm
at line 391 (CVS log)