State of the buttons

state & 1 == 1 -> left button down
state & 2 == 2 -> middle button down
state & 4 == 4 -> right button down
 ~~~

Property definitions

sdl2 $ SDLMouseMotionEvent :: state
	# State of the buttons
	#
	# ~~~raw
	# state & 1 == 1 -> left button down
	# state & 2 == 2 -> middle button down
	# state & 4 == 4 -> right button down
	# ~~~
	fun state: Int `{ return self->motion.state; `}
lib/sdl2/events.nit:181,2--188,48