Function libinput_next_event_type 

pub unsafe extern "C" fn libinput_next_event_type(
    libinput: *mut libinput,
) -> libinput_event_type

@ingroup base

Return the type of the next event in the internal queue. This function does not pop the event off the queue and the next call to libinput_get_event() returns that event.

@param libinput A previously initialized libinput context @return The event type of the next available event or @ref LIBINPUT_EVENT_NONE if no event is available.