1/****************************************************************************
2 * Copyright 2020 Thomas E. Dickey                                          *
3 * Copyright 1998-2004,2010 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:                 *
12 *                                                                          *
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14 * in all copies or substantial portions of the Software.                   *
15 *                                                                          *
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28 ****************************************************************************/
29
30/****************************************************************************
31 *   Author:  Juergen Pfeifer, 1995,1997                                    *
32 ****************************************************************************/
33
34#include "form.priv.h"
35
36MODULE_ID("$Id: fld_opts.c,v 1.13 2020/02/02 23:34:34 tom Exp $")
37
38/*----------------------------------------------------------------------------
39  Field-Options manipulation routines
40  --------------------------------------------------------------------------*/
41
42/*---------------------------------------------------------------------------
43|   Facility      :  libnform
44|   Function      :  int set_field_opts(FIELD *field, Field_Options opts)
45|
46|   Description   :  Turns on the named options for this field and turns
47|                    off all the remaining options.
48|
49|   Return Values :  E_OK            - success
50|                    E_CURRENT       - the field is the current field
51|                    E_BAD_ARGUMENT  - invalid options
52|                    E_SYSTEM_ERROR  - system error
53+--------------------------------------------------------------------------*/
54NCURSES_EXPORT(int)
55set_field_opts(FIELD *field, Field_Options opts)
56{
57  int res = E_BAD_ARGUMENT;
58
59  T((T_CALLED("set_field_opts(%p,%d)"), (void *)field, opts));
60
61  opts &= ALL_FIELD_OPTS;
62  if (!(opts & ~ALL_FIELD_OPTS))
63    res = _nc_Synchronize_Options(Normalize_Field(field), opts);
64  RETURN(res);
65}
66
67/*---------------------------------------------------------------------------
68|   Facility      :  libnform
69|   Function      :  Field_Options field_opts(const FIELD *field)
70|
71|   Description   :  Retrieve the fields options.
72|
73|   Return Values :  The options.
74+--------------------------------------------------------------------------*/
75NCURSES_EXPORT(Field_Options)
76field_opts(const FIELD *field)
77{
78  T((T_CALLED("field_opts(%p)"), (const void *)field));
79
80  returnCode(ALL_FIELD_OPTS & Normalize_Field(field)->opts);
81}
82
83/*---------------------------------------------------------------------------
84|   Facility      :  libnform
85|   Function      :  int field_opts_on(FIELD *field, Field_Options opts)
86|
87|   Description   :  Turns on the named options for this field and all the
88|                    remaining options are unchanged.
89|
90|   Return Values :  E_OK            - success
91|                    E_CURRENT       - the field is the current field
92|                    E_BAD_ARGUMENT  - invalid options
93|                    E_SYSTEM_ERROR  - system error
94+--------------------------------------------------------------------------*/
95NCURSES_EXPORT(int)
96field_opts_on(FIELD *field, Field_Options opts)
97{
98  int res = E_BAD_ARGUMENT;
99
100  T((T_CALLED("field_opts_on(%p,%d)"), (void *)field, opts));
101
102  opts &= ALL_FIELD_OPTS;
103  if (!(opts & ~ALL_FIELD_OPTS))
104    {
105      Normalize_Field(field);
106      res = _nc_Synchronize_Options(field, field->opts | opts);
107    }
108  RETURN(res);
109}
110
111/*---------------------------------------------------------------------------
112|   Facility      :  libnform
113|   Function      :  int field_opts_off(FIELD *field, Field_Options opts)
114|
115|   Description   :  Turns off the named options for this field and all the
116|                    remaining options are unchanged.
117|
118|   Return Values :  E_OK            - success
119|                    E_CURRENT       - the field is the current field
120|                    E_BAD_ARGUMENT  - invalid options
121|                    E_SYSTEM_ERROR  - system error
122+--------------------------------------------------------------------------*/
123NCURSES_EXPORT(int)
124field_opts_off(FIELD *field, Field_Options opts)
125{
126  int res = E_BAD_ARGUMENT;
127
128  T((T_CALLED("field_opts_off(%p,%d)"), (void *)field, opts));
129
130  opts &= ALL_FIELD_OPTS;
131  if (!(opts & ~ALL_FIELD_OPTS))
132    {
133      Normalize_Field(field);
134      res = _nc_Synchronize_Options(field, field->opts & ~opts);
135    }
136  RETURN(res);
137}
138
139/* fld_opts.c ends here */
140