crossing because of a device switch (i.e. a mouse taking control of the pointer after a touch device), this event is synthetic as the pointer didn’t leave the window.
crossing because a grab is activated.
crossing because a GTK+ grab is activated.
crossing because a GTK+ grab is deactivated.
crossing because of pointer motion.
crossing because a GTK+ widget changed state (e.g. sensitivity).
crossing because a touch sequence has begun, this event is synthetic as the pointer might have not left the window.
crossing because a touch sequence has ended, this event is synthetic as the pointer might have not left the window.
crossing because a grab is deactivated.
Specifies the crossing mode for Gdk.EventCrossing.