payloads/libpayload/curses/form/fld_ftchoice.c

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  28
  29 /****************************************************************************
  30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
  31  ****************************************************************************/
  32
  33 #include "form.priv.h"
  34
  35 MODULE_ID("$Id: fld_ftchoice.c,v 1.12 2010/01/23 21:14:35 tom Exp $")
  36
  37 /*---------------------------------------------------------------------------
  38 |   Facility      :  libnform
  39 |   Function      :  int set_fieldtype_choice(
  40 |                          FIELDTYPE *typ,
  41 |                          bool (* const next_choice)(FIELD *,const void *),
  42 |                          bool (* const prev_choice)(FIELD *,const void *))
  43 |
  44 |   Description   :  Define implementation of enumeration requests.
  45 |
  46 |   Return Values :  E_OK           - success
  47 |                    E_BAD_ARGUMENT - invalid arguments
  48 +--------------------------------------------------------------------------*/
  49 NCURSES_EXPORT(int)
  50 set_fieldtype_choice(FIELDTYPE *typ,
  51                      bool (*const next_choice) (FIELD *, const void *),
  52                      bool (*const prev_choice) (FIELD *, const void *))
  53 {
  54   T((T_CALLED("set_fieldtype_choice(%p,%p,%p)"), (void *)typ, next_choice, prev_choice));
  55
  56   if (!typ || !next_choice || !prev_choice)
  57     RETURN(E_BAD_ARGUMENT);
  58
  59   typ->status |= _HAS_CHOICE;
  60 #if NCURSES_INTEROP_FUNCS
  61   typ->enum_next.onext = next_choice;
  62   typ->enum_prev.oprev = prev_choice;
  63 #else
  64   typ->next = next_choice;
  65   typ->prev = prev_choice;
  66 #endif
  67   RETURN(E_OK);
  68 }
  69
  70 /* fld_ftchoice.c ends here */