gtk:text-view-buffer-to-window-coords (view wtype xbuffer ybuffer)

view -- a gtk:text-view widget
wtype -- a gtk:text-window-type value
xbuffer -- an integer for the text buffer x coordinate
ybuffer -- an integer for the text buffer y coordinate
xwindow -- an integer for the window x coordinate
ywindow -- an integer for the window y coordinate

Converts the text buffer coordinates to window coordinates.