In-progress browser for a directory of text files
on_text = function(x,y)
	for _,node in ipairs(Surface) do
		if node.type == 'text' and not node.button then
			if x >= vx(node.x) and node.w and x < vx(node.x + node.w) then
				if y >= vy(node.y) and node.h and y < vy(node.y + node.h) then
					return node
				end
			end
		end
	end
end