enum Efl.Input.Lock {
   [[Key locks such as Num Lock, Scroll Lock and Caps Lock.

     This enum may be used as a bitmask with OR operations, depending on the
     API.

     The available keys may vary depending on the physical keyboard layout, or
     language and keyboard settings, or depending on the platform.

     @since 1.20
   ]]
   none    = 0,      [[No key modifier]]
   num     = 1 << 0, [[Num Lock for numeric key pad use]]
   caps    = 1 << 1, [[Caps Lock for writing in all caps]]
   scroll  = 1 << 2, [[Scroll Lock]]
   shift   = 1 << 3, [[Shift Lock]]
}