mouse-autoselect-window-start

mouse-autoselect-window-start is a compiled Lisp function in `window.el'.

(mouse-autoselect-window-start MOUSE-POSITION &optional WINDOW SUSPEND)

Start delayed window autoselection.
MOUSE-POSITION is the last position where the mouse was seen as returned
by `mouse-position'. Optional argument WINDOW non-nil denotes the
window where the mouse was seen. Optional argument SUSPEND non-nil
means suspend autoselection.