1/****************************************************************************
2 * Copyright 2018-2020,2021 Thomas E. Dickey                                *
3 * Copyright 1998-2012,2016 Free Software Foundation, Inc.                  *
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10 * copies of the Software, and to permit persons to whom the Software is    *
11 * furnished to do so, subject to the following conditions:                 *
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29
30/****************************************************************************
31 *   Author:  Juergen Pfeifer, 1995,1997                                    *
32 ****************************************************************************/
33
34#include "form.priv.h"
35
36MODULE_ID("$Id: fld_ftchoice.c,v 1.18 2021/06/17 21:26:02 tom Exp $")
37
38/*---------------------------------------------------------------------------
39|   Facility      :  libnform
40|   Function      :  int set_fieldtype_choice(
41|                          FIELDTYPE *typ,
42|                          bool (* const next_choice)(FIELD *,const void *),
43|                          bool (* const prev_choice)(FIELD *,const void *))
44|
45|   Description   :  Define implementation of enumeration requests.
46|
47|   Return Values :  E_OK           - success
48|                    E_BAD_ARGUMENT - invalid arguments
49+--------------------------------------------------------------------------*/
50FORM_EXPORT(int)
51set_fieldtype_choice(FIELDTYPE *typ,
52		     bool (*const next_choice) (FIELD *, const void *),
53		     bool (*const prev_choice) (FIELD *, const void *))
54{
55  TR_FUNC_BFR(2);
56
57  T((T_CALLED("set_fieldtype_choice(%p,%s,%s)"),
58     (void *)typ,
59     TR_FUNC_ARG(0, next_choice),
60     TR_FUNC_ARG(1, prev_choice)));
61
62  if (!typ || !next_choice || !prev_choice)
63    RETURN(E_BAD_ARGUMENT);
64
65  SetStatus(typ, _HAS_CHOICE);
66#if NCURSES_INTEROP_FUNCS
67  typ->enum_next.onext = next_choice;
68  typ->enum_prev.oprev = prev_choice;
69#else
70  typ->next = next_choice;
71  typ->prev = prev_choice;
72#endif
73  RETURN(E_OK);
74}
75
76/* fld_ftchoice.c ends here */
77