source: trunk/essentials/sys-libs/ncurses/form/fld_opts.c@ 3326

Last change on this file since 3326 was 2621, checked in by bird, 20 years ago

GNU ncurses 5.5
File size: 5.9 KB
Line 
1/****************************************************************************
2 * Copyright (c) 1998-2003,2004 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. *
22 * *
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
35MODULE_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+--------------------------------------------------------------------------*/
53NCURSES_EXPORT(int)
54set_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+--------------------------------------------------------------------------*/
74NCURSES_EXPORT(Field_Options)
75field_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+--------------------------------------------------------------------------*/
94NCURSES_EXPORT(int)
95field_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+--------------------------------------------------------------------------*/
122NCURSES_EXPORT(int)
123field_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 */
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