Property definitions

sdl2 $ SDLMouseWheelEvent :: defaultinit
# Mouse wheel event
extern class SDLMouseWheelEvent
	super SDLEvent

	# Horizontal scroll amount
	fun x: Int `{ return self->wheel.x; `}

	# Vertical scroll amount
	fun y: Int `{ return self->wheel.y; `}
end
lib/sdl2/events.nit:234,1--243,3