ncurses/form/fld_attr.c

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30  *   Author:  Juergen Pfeifer, 1995,1997                                    *
33 #include "form.priv.h"
35 MODULE_ID("$Id: fld_attr.c,v 1.11 2010/01/23 21:12:08 tom Exp $")
37 /*----------------------------------------------------------------------------
38   Field-Attribute manipulation routines
39   --------------------------------------------------------------------------*/
40 /* "Template" macro to generate a function to set a fields attribute */
41 #define GEN_FIELD_ATTR_SET_FCT( name ) \
42 NCURSES_IMPEXP int NCURSES_API set_field_ ## name (FIELD * field, chtype attr)\
44    int res = E_BAD_ARGUMENT;\
45    T((T_CALLED("set_field_" #name "(%p,%s)"), field, _traceattr(attr)));\
46    if ( attr==A_NORMAL || ((attr & A_ATTRIBUTES)==attr) )\
48        Normalize_Field( field );\
49        if (field != 0) \
51 	 if ((field -> name) != attr)\
53 	     field -> name = attr;\
54 	     res = _nc_Synchronize_Attributes( field );\
56 	 else\
58 	     res = E_OK;\
62    RETURN(res);\
65 /* "Template" macro to generate a function to get a fields attribute */
66 #define GEN_FIELD_ATTR_GET_FCT( name ) \
67 NCURSES_IMPEXP chtype NCURSES_API field_ ## name (const FIELD * field)\
69    T((T_CALLED("field_" #name "(%p)"), (const void *) field));\
70    returnAttr( A_ATTRIBUTES & (Normalize_Field( field ) -> name) );\
73 /*---------------------------------------------------------------------------
74 |   Facility      :  libnform
75 |   Function      :  int set_field_fore(FIELD *field, chtype attr)
77 |   Description   :  Sets the foreground of the field used to display the
78 |                    field contents.
80 |   Return Values :  E_OK             - success
81 |                    E_BAD_ARGUMENT   - invalid attributes
82 |                    E_SYSTEM_ERROR   - system error
83 +--------------------------------------------------------------------------*/
84 GEN_FIELD_ATTR_SET_FCT(fore)
86 /*---------------------------------------------------------------------------
87 |   Facility      :  libnform
88 |   Function      :  chtype field_fore(const FIELD *)
90 |   Description   :  Retrieve fields foreground attribute
92 |   Return Values :  The foreground attribute
93 +--------------------------------------------------------------------------*/
94 GEN_FIELD_ATTR_GET_FCT(fore)
96 /*---------------------------------------------------------------------------
97 |   Facility      :  libnform
98 |   Function      :  int set_field_back(FIELD *field, chtype attr)
100 |   Description   :  Sets the background of the field used to display the
101 |                    fields extend.
103 |   Return Values :  E_OK             - success
104 |                    E_BAD_ARGUMENT   - invalid attributes
105 |                    E_SYSTEM_ERROR   - system error
106 +--------------------------------------------------------------------------*/
107 GEN_FIELD_ATTR_SET_FCT(back)
109 /*---------------------------------------------------------------------------
110 |   Facility      :  libnform
111 |   Function      :  chtype field_back(const
113 |   Description   :  Retrieve fields background attribute
115 |   Return Values :  The background attribute
116 +--------------------------------------------------------------------------*/
117 GEN_FIELD_ATTR_GET_FCT(back)
119 /* fld_attr.c ends here */