return location for x coordinate of the pointer location relative to the window origin, or NULL. out[allow-none]
return location for y coordinate of the pointer location relative to the window origin, or NULL. out[allow-none]
the window under the mouse pointer, or NULL. [transfer none]
Obtains the window underneath the mouse pointer, returning the location of the pointer in that window in win_x, win_y for screen. Returns NULL if the window under the mouse pointer is not known to GDK (for example, belongs to another application). Since 2.2