An improved yet simple solution to render view by msec intervals

ui_refresh.method.rb

  def run argh
      # require 'pry'; binding.pry
      p_dbg "- run #{argh} #{Thread.current.to_s} - #{@debug_frame.to_s}", self
      state_int = argh
      while state_int == 1
        @debug_frame += 1
        ui_handle_input
        ui_refresh(0)
        read_pipes
      end
    end # run loop

    def ui_refresh(ui)
      drawing_bool = true
        ui_render_view
        @refresh_frame += 1
      drawing_bool = false
    end
  
    def ui_render_view
      if @refresh_frame%240 == 0
        p_dbg "refresh frame #{@refresh_frame}, run frame #{@debug_frame} - Type 1 to send msg to engine, 2 to msg stateserver, Q to exit." 
      end
      # STDOUT.write (@refresh_frame%24).to_s.rjust(3, "0") + "\r"
    end

    def ui_handle_input
      @in_str = read_line_nonblocking( STDIN, @refreshdelay_secs )
      if @in_str == "\t" || @in_str.nil?
        @in_str = nil
        return
      end
      
      p_dbg "UI got input #{@in_str}", self
      
      case @in_str
        when "Q", "\u0003"
          ui_message_engine "Q"
          ui_message_stateserver "Q"
          exit
        when "1"
          ui_message_engine "1"
        when "2"
          ui_message_engine "2"
        else
          # bye!
      end
      @in_str = nil
    end