Spinbox code is used by qmon

   /*
    * Copyright 1994 Alastair Gourlay
    *
    * Permission to use, copy, modify, and distribute this software and its
    * documentation for any purpose and without fee is hereby granted, provided
    * that the above copyright notice appear in all copies and that both that
    * copyright notice and this permission notice appear in supporting
    * documentation.
    */
