xref: /freebsd/contrib/ncurses/form/fld_just.c (revision 63a938566d524836885917d95bd491aa4400b181)
1 /****************************************************************************
2  * Copyright (c) 1998-2010,2012 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 
35 MODULE_ID("$Id: fld_just.c,v 1.13 2012/03/11 00:37:16 tom Exp $")
36 
37 /*---------------------------------------------------------------------------
38 |   Facility      :  libnform
39 |   Function      :  int set_field_just(FIELD *field, int just)
40 |
41 |   Description   :  Set the fields type of justification.
42 |
43 |   Return Values :  E_OK            - success
44 |                    E_BAD_ARGUMENT  - one of the arguments was incorrect
45 |                    E_SYSTEM_ERROR  - system error
46 +--------------------------------------------------------------------------*/
47 NCURSES_EXPORT(int)
48 set_field_just(FIELD *field, int just)
49 {
50   int res = E_BAD_ARGUMENT;
51 
52   T((T_CALLED("set_field_just(%p,%d)"), (void *)field, just));
53 
54   if ((just == NO_JUSTIFICATION) ||
55       (just == JUSTIFY_LEFT) ||
56       (just == JUSTIFY_CENTER) ||
57       (just == JUSTIFY_RIGHT))
58     {
59       Normalize_Field(field);
60       if (field->just != just)
61 	{
62 	  field->just = (short) just;
63 	  res = _nc_Synchronize_Attributes(field);
64 	}
65       else
66 	res = E_OK;
67     }
68   RETURN(res);
69 }
70 
71 /*---------------------------------------------------------------------------
72 |   Facility      :  libnform
73 |   Function      :  int field_just( const FIELD *field )
74 |
75 |   Description   :  Retrieve the fields type of justification
76 |
77 |   Return Values :  The justification type.
78 +--------------------------------------------------------------------------*/
79 NCURSES_EXPORT(int)
80 field_just(const FIELD *field)
81 {
82   T((T_CALLED("field_just(%p)"), (const void *)field));
83   returnCode(Normalize_Field(field)->just);
84 }
85 
86 /* fld_just.c ends here */
87