View difference between Paste ID: kWhaY53e and 66u0gQP5

 #!/usr/bin/env ruby
 
 require 'singleton'
 
 class Trigger
   SLEEP_TIME = 120
 
   def initialize
     @seconds = 0
   end
 
   def tic_tac
     mouse = Mouse.instance
     mouse.read
     lcd = Lcd.instance
     lcd.off if @seconds >= SLEEP_TIME && lcd.on?
 
     if mouse.x_pos > 1900
       @seconds = 0
       lcd.on if lcd.off? if mouse.x_delta >= -10 && mouse.x_delta <= 10 && mouse.y_delta >= -10 && mouse.y_delta <= 10
     else
       @seconds += 1
     end
   end
 end
 
 class Lcd
   include Singleton
 
   def on
     return false if on?
     @state = :on
     `xrandr --output DVI-I-1 --auto --pos 1920x0`
   end
 
   def off
     return false if off?
     @state = :off
     `xrandr --output DVI-I-1 --off`
   end
 
   def on?
     state == :on
   end
 
   def off?
     state == :off
   end
 
   private
 
   def state
     @state = :on unless defined?(@state)
     @state
   end
 end
 
 class Mouse
   include Singleton
 
   def read
     save_last_position
     get_position
     true
   end
 
   def x_pos
     @x_pos.to_i
   end
 
   def x_delta
     @last_x_pos.to_i - @x_pos.to_i
   end
 
   def y_delta
     @last_y_pos.to_i - @y_pos.to_i
   end
 
   private
 
   def save_last_position
     @last_x_pos = @x_pos
     @last_y_pos = @y_pos
   end
 
   def get_position
     xdotool_output = `xdotool getmouselocation`.to_s
     @x_pos = xdotool_output[/x:(\d+)/, 1].to_i
     @y_pos = xdotool_output[/y:(\d+)/, 1].to_i
   end
 end
 
 trigger = Trigger.new
 
 while true do
   trigger.tic_tac
   sleep 2
 end