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 28  
 29  /****************************************************************************
 30   *   Author:  Juergen Pfeifer, 1995,1997                                    *
 31   ****************************************************************************/
 32  
 33  #include "form.priv.h"
 34  
 35  MODULE_ID("$Id: fld_attr.c,v 1.11 2010/01/23 21:12:08 tom Exp $")
 36  
 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)\
 43  {\
 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) )\
 47       {\
 48         Normalize_Field( field );\
 49         if (field != 0) \
 50  	 { \
 51  	 if ((field -> name) != attr)\
 52  	   {\
 53  	     field -> name = attr;\
 54  	     res = _nc_Synchronize_Attributes( field );\
 55  	   }\
 56  	 else\
 57  	   {\
 58  	     res = E_OK;\
 59  	   }\
 60  	 }\
 61       }\
 62     RETURN(res);\
 63  }
 64  
 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)\
 68  {\
 69     T((T_CALLED("field_" #name "(%p)"), (const void *) field));\
 70     returnAttr( A_ATTRIBUTES & (Normalize_Field( field ) -> name) );\
 71  }
 72  
 73  /*---------------------------------------------------------------------------
 74  |   Facility      :  libnform
 75  |   Function      :  int set_field_fore(FIELD *field, chtype attr)
 76  |
 77  |   Description   :  Sets the foreground of the field used to display the
 78  |                    field contents.
 79  |
 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)
 85  
 86  /*---------------------------------------------------------------------------
 87  |   Facility      :  libnform
 88  |   Function      :  chtype field_fore(const FIELD *)
 89  |
 90  |   Description   :  Retrieve fields foreground attribute
 91  |
 92  |   Return Values :  The foreground attribute
 93  +--------------------------------------------------------------------------*/
 94  GEN_FIELD_ATTR_GET_FCT(fore)
 95  
 96  /*---------------------------------------------------------------------------
 97  |   Facility      :  libnform
 98  |   Function      :  int set_field_back(FIELD *field, chtype attr)
 99  |
100  |   Description   :  Sets the background of the field used to display the
101  |                    fields extend.
102  |
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)
108  
109  /*---------------------------------------------------------------------------
110  |   Facility      :  libnform
111  |   Function      :  chtype field_back(const
112  |
113  |   Description   :  Retrieve fields background attribute
114  |
115  |   Return Values :  The background attribute
116  +--------------------------------------------------------------------------*/
117  GEN_FIELD_ATTR_GET_FCT(back)
118  
119  /* fld_attr.c ends here */