1 /****************************************************************************
2 * Copyright (c) 1998-2005,2010 Free Software Foundation, Inc. *
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6 * "Software"), to deal in the Software without restriction, including *
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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. *
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19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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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 *
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27 ****************************************************************************/
28
29 /****************************************************************************
30 * Author: Juergen Pfeifer, 1995,1997 *
31 ****************************************************************************/
32
33 #include "form.priv.h"
34
35 MODULE_ID("$Id: frm_opts.c,v 1.15 2010/01/23 21:14:36 tom Exp $")
36
37 /*---------------------------------------------------------------------------
38 | Facility : libnform
39 | Function : int set_form_opts(FORM *form, Form_Options opts)
40 |
41 | Description : Turns on the named options and turns off all the
42 | remaining options for that form.
43 |
44 | Return Values : E_OK - success
45 | E_BAD_ARGUMENT - invalid options
46 +--------------------------------------------------------------------------*/
NCURSES_EXPORT(int)47 NCURSES_EXPORT(int)
48 set_form_opts(FORM *form, Form_Options opts)
49 {
50 T((T_CALLED("set_form_opts(%p,%d)"), (void *)form, opts));
51
52 opts &= ALL_FORM_OPTS;
53 if (opts & ~ALL_FORM_OPTS)
54 RETURN(E_BAD_ARGUMENT);
55 else
56 {
57 Normalize_Form(form)->opts = opts;
58 RETURN(E_OK);
59 }
60 }
61
62 /*---------------------------------------------------------------------------
63 | Facility : libnform
64 | Function : Form_Options form_opts(const FORM *)
65 |
66 | Description : Retrieves the current form options.
67 |
68 | Return Values : The option flags.
69 +--------------------------------------------------------------------------*/
70 NCURSES_EXPORT(Form_Options)
form_opts(const FORM * form)71 form_opts(const FORM *form)
72 {
73 T((T_CALLED("form_opts(%p)"), (const void *)form));
74 returnCode((int)(Normalize_Form(form)->opts & ALL_FORM_OPTS));
75 }
76
77 /*---------------------------------------------------------------------------
78 | Facility : libnform
79 | Function : int form_opts_on(FORM *form, Form_Options opts)
80 |
81 | Description : Turns on the named options; no other options are
82 | changed.
83 |
84 | Return Values : E_OK - success
85 | E_BAD_ARGUMENT - invalid options
86 +--------------------------------------------------------------------------*/
87 NCURSES_EXPORT(int)
form_opts_on(FORM * form,Form_Options opts)88 form_opts_on(FORM *form, Form_Options opts)
89 {
90 T((T_CALLED("form_opts_on(%p,%d)"), (void *)form, opts));
91
92 opts &= ALL_FORM_OPTS;
93 if (opts & ~ALL_FORM_OPTS)
94 RETURN(E_BAD_ARGUMENT);
95 else
96 {
97 Normalize_Form(form)->opts |= opts;
98 RETURN(E_OK);
99 }
100 }
101
102 /*---------------------------------------------------------------------------
103 | Facility : libnform
104 | Function : int form_opts_off(FORM *form, Form_Options opts)
105 |
106 | Description : Turns off the named options; no other options are
107 | changed.
108 |
109 | Return Values : E_OK - success
110 | E_BAD_ARGUMENT - invalid options
111 +--------------------------------------------------------------------------*/
112 NCURSES_EXPORT(int)
form_opts_off(FORM * form,Form_Options opts)113 form_opts_off(FORM *form, Form_Options opts)
114 {
115 T((T_CALLED("form_opts_off(%p,%d)"), (void *)form, opts));
116
117 opts &= ALL_FORM_OPTS;
118 if (opts & ~ALL_FORM_OPTS)
119 RETURN(E_BAD_ARGUMENT);
120 else
121 {
122 Normalize_Form(form)->opts &= ~opts;
123 RETURN(E_OK);
124 }
125 }
126
127 /* frm_opts.c ends here */
128