xref: /freebsd/contrib/ncurses/form/fld_just.c (revision e8d8bef961a50d4dc22501cde4fb9fb0be1b2532)
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2  * Copyright 2020 Thomas E. Dickey                                          *
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29 
30 /****************************************************************************
31  *   Author:  Juergen Pfeifer, 1995,1997                                    *
32  ****************************************************************************/
33 
34 #include "form.priv.h"
35 
36 MODULE_ID("$Id: fld_just.c,v 1.16 2020/12/11 23:16:37 tom Exp $")
37 
38 /*---------------------------------------------------------------------------
39 |   Facility      :  libnform
40 |   Function      :  int set_field_just(FIELD *field, int just)
41 |
42 |   Description   :  Set the field's type of justification.
43 |
44 |   Return Values :  E_OK            - success
45 |                    E_BAD_ARGUMENT  - one of the arguments was incorrect
46 |                    E_SYSTEM_ERROR  - system error
47 +--------------------------------------------------------------------------*/
48 FORM_EXPORT(int)
49 set_field_just(FIELD *field, int just)
50 {
51   int res = E_BAD_ARGUMENT;
52 
53   T((T_CALLED("set_field_just(%p,%d)"), (void *)field, just));
54 
55   if ((just == NO_JUSTIFICATION) ||
56       (just == JUSTIFY_LEFT) ||
57       (just == JUSTIFY_CENTER) ||
58       (just == JUSTIFY_RIGHT))
59     {
60       Normalize_Field(field);
61       if (field->just != just)
62 	{
63 	  field->just = (short)just;
64 	  res = _nc_Synchronize_Attributes(field);
65 	}
66       else
67 	res = E_OK;
68     }
69   RETURN(res);
70 }
71 
72 /*---------------------------------------------------------------------------
73 |   Facility      :  libnform
74 |   Function      :  int field_just( const FIELD *field )
75 |
76 |   Description   :  Retrieve the field's type of justification
77 |
78 |   Return Values :  The justification type.
79 +--------------------------------------------------------------------------*/
80 FORM_EXPORT(int)
81 field_just(const FIELD *field)
82 {
83   T((T_CALLED("field_just(%p)"), (const void *)field));
84   returnCode(Normalize_Field(field)->just);
85 }
86 
87 /* fld_just.c ends here */
88