ncurses/form/fld_ftchoice.c

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30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
33 #include "form.priv.h"
35 MODULE_ID("$Id: fld_ftchoice.c,v 1.13 2012/06/10 00:27:49 tom Exp $")
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 *))
44 |   Description   :  Define implementation of enumeration requests.
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 *))
54   T((T_CALLED("set_fieldtype_choice(%p,%p,%p)"), (void *)typ, next_choice, prev_choice));
56   if (!typ || !next_choice || !prev_choice)
57     RETURN(E_BAD_ARGUMENT);
59   SetStatus(typ, _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);
70 /* fld_ftchoice.c ends here */