1 /**************************************************************************** 2 * Copyright (c) 1998-2003,2004 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_attr.c,v 1.10 2004/12/11 21:33:15 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)"), 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 */ 120