void(*AtkEventListener)(AtkObject*obj)

A function which is called when an object emits a matching event,as used in #atk_add_focus_tracker.Currently the only events for which object-specific handlers aresupported are events of type “focus:”. Most clients ofATK will prefer toattach signal handlers for the variousATK signals instead.

seeatk_add_focus_tracker().

obj

Type: AtkObject

AnAtkObject instance for whom the callback will be called whenthe specified event (e.g. ‘focus:’) takes place.

The data is owned by the caller of the function.