1 /****************************************************************************
2 * Copyright (c) 1998-2004,2010 Free Software Foundation, Inc. *
3 * *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
26 * authorization. *
27 ****************************************************************************/
28
29 /****************************************************************************
30 * Author: Juergen Pfeifer, 1995,1997 *
31 ****************************************************************************/
32
33 #include "form.priv.h"
34
35 MODULE_ID("$Id: fld_opts.c,v 1.12 2010/01/23 21:14:36 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 +--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)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)"), (void *)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)
field_opts(const FIELD * field)75 field_opts(const FIELD *field)
76 {
77 T((T_CALLED("field_opts(%p)"), (const void *)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)
field_opts_on(FIELD * field,Field_Options opts)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)"), (void *)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)
field_opts_off(FIELD * field,Field_Options opts)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)"), (void *)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