if y - h < State.top then

      local min = State.top
      if not App.run_tests then
        -- HACK: when rendering multiple panes, back off just a bit on keeping
        -- cursor all the way at the bottom.
        -- We need to compensate for plan_draw potentially moving the viewport,
        -- and ensure the cursor doesn't go off screen.
        min = min + State.line_height/2
      end
      if y - h < min then