elseif lines.current.pending.mode == 'manhattan' then
        local p1 = lines.current.points[lines.current.pending.p1]
        local mx,my = coord(x-16), coord(y-lines.current.y)
        if math.abs(mx-p1.x) > math.abs(my-p1.y) then
          local j = insert_point(lines.current.points, mx, p1.y)
          lines.current.pending.p2 = j
        else
          local j = insert_point(lines.current.points, p1.x, my)
          lines.current.pending.p2 = j
        end
        local p2 = lines.current.points[lines.current.pending.p2]
        love.mouse.setPosition(16+pixels(p2.x), lines.current.y+pixels(p2.y))

        elseif current_mode == 'line' then

        elseif current_mode == 'line' or current_mode == 'manhattan' then

  elseif shape.mode == 'line' then

  elseif shape.mode == 'line' or shape.mode == 'manhattan' then

  elseif shape.mode == 'manhattan' then
    local p1 = drawing.points[shape.p1]
    local mx,my = coord(love.mouse.getX()-16), coord(love.mouse.getY()-drawing.y)
    if math.abs(mx-p1.x) > math.abs(my-p1.y) then
      love.graphics.line(pixels(p1.x)+left,pixels(p1.y)+top, pixels(mx)+left,pixels(p1.y)+top)
    else
      love.graphics.line(pixels(p1.x)+left,pixels(p1.y)+top, pixels(p1.x)+left,pixels(my)+top)
    end

  elseif shape.mode == 'manhattan' then
    return x == drawing.points[shape.p1].x or y == drawing.points[shape.p1].y

    print(shape.mode)

  elseif love.mouse.isDown('1') and chord == 'm' then
    current_mode = 'manhattan'
    local drawing = select_drawing_at_mouse()
    drawing.pending.mode = 'manhattan'

    current_mode = 'manhattan'

function select_drawing_at_mouse()
  for _,drawing in ipairs(lines) do
    if type(drawing) == 'table' then
      local x, y = love.mouse.getX(), love.mouse.getY()
      if y >= drawing.y and y < drawing.y + pixels(drawing.h) and x >= 16 and x < 16+drawingw then
        return drawing
      end
    end
  end
end