/*	$OpenBSD: fld_attr.c,v 1.3 1999/05/17 03:04:10 millert Exp $	*/

/****************************************************************************
 * Copyright (c) 1998 Free Software Foundation, Inc.                        *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *   Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997            *
 ****************************************************************************/
#include "form.priv.h"

MODULE_ID("$From: fld_attr.c,v 1.4 1999/05/16 17:16:30 juergen Exp $")

/*----------------------------------------------------------------------------
  Field-Attribute manipulation routines
  --------------------------------------------------------------------------*/
/* "Template" macro to generate a function to set a fields attribute */
#define GEN_FIELD_ATTR_SET_FCT( name ) \
int set_field_ ## name (FIELD * field, chtype attr)\
{\
   int res = E_BAD_ARGUMENT;\
   if ( attr==A_NORMAL || ((attr & A_ATTRIBUTES)==attr) )\
     {\
       Normalize_Field( field );\
       if ((field -> name) != attr)\
         {\
           field -> name = attr;\
           res = _nc_Synchronize_Attributes( field );\
         }\
       else\
	 res = E_OK;\
     }\
   RETURN(res);\
}

/* "Template" macro to generate a function to get a fields attribute */
#define GEN_FIELD_ATTR_GET_FCT( name ) \
chtype field_ ## name (const FIELD * field)\
{\
   return ( A_ATTRIBUTES & (Normalize_Field( field ) -> name) );\
}

/*---------------------------------------------------------------------------
|   Facility      :  libnform  
|   Function      :  int set_field_fore(FIELD *field, chtype attr)
|   
|   Description   :  Sets the foreground of the field used to display the
|                    field contents.
|
|   Return Values :  E_OK             - success
|                    E_BAD_ARGUMENT   - invalid attributes
|                    E_SYSTEM_ERROR   - system error
+--------------------------------------------------------------------------*/
GEN_FIELD_ATTR_SET_FCT( fore )

/*---------------------------------------------------------------------------
|   Facility      :  libnform  
|   Function      :  chtype field_fore(const FIELD *)
|   
|   Description   :  Retrieve fields foreground attribute
|
|   Return Values :  The foreground attribute
+--------------------------------------------------------------------------*/
GEN_FIELD_ATTR_GET_FCT( fore )

/*---------------------------------------------------------------------------
|   Facility      :  libnform  
|   Function      :  int set_field_back(FIELD *field, chtype attr)
|   
|   Description   :  Sets the background of the field used to display the
|                    fields extend.
|
|   Return Values :  E_OK             - success
|                    E_BAD_ARGUMENT   - invalid attributes
|                    E_SYSTEM_ERROR   - system error
+--------------------------------------------------------------------------*/
GEN_FIELD_ATTR_SET_FCT( back )

/*---------------------------------------------------------------------------
|   Facility      :  libnform
|   Function      :  chtype field_back(const 
|   
|   Description   :  Retrieve fields background attribute
|
|   Return Values :  The background attribute
+--------------------------------------------------------------------------*/
GEN_FIELD_ATTR_GET_FCT( back )

/* fld_attr.c ends here */