Property definitions

ios $ NativeGLKViewController :: defaultinit
# Wrapper for both an Objective-C `GLKViewController` and its `GLKView`
private extern class NativeGLKViewController in "ObjC" `{ GLKViewController * `}
	super NSObject

	fun content_scale_factor: Float in "ObjC" `{ return self.view.contentScaleFactor; `}
	fun drawable_width: Int in "ObjC" `{ return ((GLKView*)self.view).drawableWidth; `}
	fun drawable_height: Int in "ObjC" `{ return ((GLKView*)self.view).drawableHeight; `}
	fun bind_drawable in "ObjC" `{ [((GLKView*)self.view) bindDrawable]; `}

	fun multiple_touch_enabled: Bool in "ObjC" `{ return [self.view isMultipleTouchEnabled]; `}
	fun multiple_touch_enabled=(val: Bool) in "ObjC" `{ return [self.view setMultipleTouchEnabled: val]; `}
end
lib/ios/glkit.nit:80,1--91,3