to_text = function(x,y)
	local sx, sy = x/Viewport.zoom + Viewport.x, y/Viewport.zoom + Viewport.y
	for _,node in ipairs(Surface) do
		if node.type == 'text' then
			if sx >= node.x and node.w and sx < node.x + node.w then
				if sy >= node.y and node.h and sy < node.y + node.h then
					return node
				end
			end
		end
	end
end