def get_space_size():
	size=Blender.BGL.Buffer(Blender.BGL.GL_FLOAT, 4)
	Blender.BGL.glGetFloatv(Blender.BGL.GL_SCISSOR_BOX, size)
	size= size.list 
	return int(size[0]), int(size[1])

def area_mouse_coords():
	a = get_space_size()
	b = Blender.Window.GetMouseCoords()
	return b[0]-a[0], b[1]-a[1]