Command: text_mouse
  
Syntax: 
  x = text_mouse()
  
Description: 
  
  x give button , x coordinate , y coordinate  

  Button code are :
  
  global constant MOVE        = 1,  -- track every movement of the mouse
                  LEFT_DOWN   = 2,  -- the rest are button pressing/releasing
                  LEFT_UP     = 4,
                  RIGHT_DOWN  = 8,
                  RIGHT_UP    = 16,
                  MIDDLE_DOWN = 32,
                  MIDDLE_UP   = 64

Example :

  x = text_mouse()
  
  x = { 4 , 60 , 15 }   
