...
Code: 
  if not $full
   $showm = Win32API.new 'user32', 'keybd_event', %w(l l l l), ''
   $showm.call(18,0,0,0)
   $showm.call(13,0,0,0)
   $showm.call(13,0,2,0)
   $showm.call(18,0,2,0)
   $full = 1
end
Das fügst du in Main unter begin.