1/*	$OpenBSD: fld_ftchoice.c,v 1.7 2023/10/17 09:52:10 nicm Exp $	*/
2/****************************************************************************
3 * Copyright 2018-2020,2021 Thomas E. Dickey                                *
4 * Copyright 1998-2012,2016 Free Software Foundation, Inc.                  *
5 *                                                                          *
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7 * copy of this software and associated documentation files (the            *
8 * "Software"), to deal in the Software without restriction, including      *
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10 * distribute, distribute with modifications, sublicense, and/or sell       *
11 * copies of the Software, and to permit persons to whom the Software is    *
12 * furnished to do so, subject to the following conditions:                 *
13 *                                                                          *
14 * The above copyright notice and this permission notice shall be included  *
15 * in all copies or substantial portions of the Software.                   *
16 *                                                                          *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
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24 *                                                                          *
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30
31/****************************************************************************
32 *   Author:  Juergen Pfeifer, 1995,1997                                    *
33 ****************************************************************************/
34
35#include "form.priv.h"
36
37MODULE_ID("$Id: fld_ftchoice.c,v 1.7 2023/10/17 09:52:10 nicm Exp $")
38
39/*---------------------------------------------------------------------------
40|   Facility      :  libnform
41|   Function      :  int set_fieldtype_choice(
42|                          FIELDTYPE *typ,
43|                          bool (* const next_choice)(FIELD *,const void *),
44|                          bool (* const prev_choice)(FIELD *,const void *))
45|
46|   Description   :  Define implementation of enumeration requests.
47|
48|   Return Values :  E_OK           - success
49|                    E_BAD_ARGUMENT - invalid arguments
50+--------------------------------------------------------------------------*/
51FORM_EXPORT(int)
52set_fieldtype_choice(FIELDTYPE *typ,
53		     bool (*const next_choice) (FIELD *, const void *),
54		     bool (*const prev_choice) (FIELD *, const void *))
55{
56  TR_FUNC_BFR(2);
57
58  T((T_CALLED("set_fieldtype_choice(%p,%s,%s)"),
59     (void *)typ,
60     TR_FUNC_ARG(0, next_choice),
61     TR_FUNC_ARG(1, prev_choice)));
62
63  if (!typ || !next_choice || !prev_choice)
64    RETURN(E_BAD_ARGUMENT);
65
66  SetStatus(typ, _HAS_CHOICE);
67#if NCURSES_INTEROP_FUNCS
68  typ->enum_next.onext = next_choice;
69  typ->enum_prev.oprev = prev_choice;
70#else
71  typ->next = next_choice;
72  typ->prev = prev_choice;
73#endif
74  RETURN(E_OK);
75}
76
77/* fld_ftchoice.c ends here */
78