xref: /freebsd/contrib/ncurses/form/fld_opts.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
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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_opts.c,v 1.11 2004/12/11 21:55:46 tom Exp $")
36 
37 /*----------------------------------------------------------------------------
38   Field-Options manipulation routines
39   --------------------------------------------------------------------------*/
40 
41 /*---------------------------------------------------------------------------
42 |   Facility      :  libnform
43 |   Function      :  int set_field_opts(FIELD *field, Field_Options opts)
44 |
45 |   Description   :  Turns on the named options for this field and turns
46 |                    off all the remaining options.
47 |
48 |   Return Values :  E_OK            - success
49 |                    E_CURRENT       - the field is the current field
50 |                    E_BAD_ARGUMENT  - invalid options
51 |                    E_SYSTEM_ERROR  - system error
52 +--------------------------------------------------------------------------*/
53 NCURSES_EXPORT(int)
54 set_field_opts(FIELD *field, Field_Options opts)
55 {
56   int res = E_BAD_ARGUMENT;
57 
58   T((T_CALLED("set_field_opts(%p,%d)"), field, opts));
59 
60   opts &= ALL_FIELD_OPTS;
61   if (!(opts & ~ALL_FIELD_OPTS))
62     res = _nc_Synchronize_Options(Normalize_Field(field), opts);
63   RETURN(res);
64 }
65 
66 /*---------------------------------------------------------------------------
67 |   Facility      :  libnform
68 |   Function      :  Field_Options field_opts(const FIELD *field)
69 |
70 |   Description   :  Retrieve the fields options.
71 |
72 |   Return Values :  The options.
73 +--------------------------------------------------------------------------*/
74 NCURSES_EXPORT(Field_Options)
75 field_opts(const FIELD *field)
76 {
77   T((T_CALLED("field_opts(%p)"), field));
78 
79   returnCode(ALL_FIELD_OPTS & Normalize_Field(field)->opts);
80 }
81 
82 /*---------------------------------------------------------------------------
83 |   Facility      :  libnform
84 |   Function      :  int field_opts_on(FIELD *field, Field_Options opts)
85 |
86 |   Description   :  Turns on the named options for this field and all the
87 |                    remaining options are unchanged.
88 |
89 |   Return Values :  E_OK            - success
90 |                    E_CURRENT       - the field is the current field
91 |                    E_BAD_ARGUMENT  - invalid options
92 |                    E_SYSTEM_ERROR  - system error
93 +--------------------------------------------------------------------------*/
94 NCURSES_EXPORT(int)
95 field_opts_on(FIELD *field, Field_Options opts)
96 {
97   int res = E_BAD_ARGUMENT;
98 
99   T((T_CALLED("field_opts_on(%p,%d)"), field, opts));
100 
101   opts &= ALL_FIELD_OPTS;
102   if (!(opts & ~ALL_FIELD_OPTS))
103     {
104       Normalize_Field(field);
105       res = _nc_Synchronize_Options(field, field->opts | opts);
106     }
107   RETURN(res);
108 }
109 
110 /*---------------------------------------------------------------------------
111 |   Facility      :  libnform
112 |   Function      :  int field_opts_off(FIELD *field, Field_Options opts)
113 |
114 |   Description   :  Turns off the named options for this field and all the
115 |                    remaining options are unchanged.
116 |
117 |   Return Values :  E_OK            - success
118 |                    E_CURRENT       - the field is the current field
119 |                    E_BAD_ARGUMENT  - invalid options
120 |                    E_SYSTEM_ERROR  - system error
121 +--------------------------------------------------------------------------*/
122 NCURSES_EXPORT(int)
123 field_opts_off(FIELD *field, Field_Options opts)
124 {
125   int res = E_BAD_ARGUMENT;
126 
127   T((T_CALLED("field_opts_off(%p,%d)"), field, opts));
128 
129   opts &= ALL_FIELD_OPTS;
130   if (!(opts & ~ALL_FIELD_OPTS))
131     {
132       Normalize_Field(field);
133       res = _nc_Synchronize_Options(field, field->opts & ~opts);
134     }
135   RETURN(res);
136 }
137 
138 /* fld_opts.c ends here */
139