1 /* $OpenBSD: fld_attr.c,v 1.7 2023/10/17 09:52:10 nicm Exp $ */ 2 /**************************************************************************** 3 * Copyright 2020 Thomas E. Dickey * 4 * Copyright 1998-2010,2016 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Juergen Pfeifer, 1995,1997 * 33 ****************************************************************************/ 34 35 #include "form.priv.h" 36 37 MODULE_ID("$Id: fld_attr.c,v 1.7 2023/10/17 09:52:10 nicm Exp $") 38 39 /*---------------------------------------------------------------------------- 40 Field-Attribute manipulation routines 41 --------------------------------------------------------------------------*/ 42 /* "Template" macro to generate a function to set a field's attribute */ 43 #define GEN_FIELD_ATTR_SET_FCT( name ) \ 44 FORM_IMPEXP int NCURSES_API set_field_ ## name (FIELD * field, chtype attr)\ 45 {\ 46 int res = E_BAD_ARGUMENT;\ 47 T((T_CALLED("set_field_" #name "(%p,%s)"), (void *)field, _traceattr(attr)));\ 48 if ( attr==A_NORMAL || ((attr & A_ATTRIBUTES)==attr) )\ 49 {\ 50 Normalize_Field( field );\ 51 if (field != 0) \ 52 { \ 53 if ((field -> name) != attr)\ 54 {\ 55 field -> name = attr;\ 56 res = _nc_Synchronize_Attributes( field );\ 57 }\ 58 else\ 59 {\ 60 res = E_OK;\ 61 }\ 62 }\ 63 }\ 64 RETURN(res);\ 65 } 66 67 /* "Template" macro to generate a function to get a field's attribute */ 68 #define GEN_FIELD_ATTR_GET_FCT( name ) \ 69 FORM_IMPEXP chtype NCURSES_API field_ ## name (const FIELD * field)\ 70 {\ 71 T((T_CALLED("field_" #name "(%p)"), (const void *) field));\ 72 returnAttr( A_ATTRIBUTES & (Normalize_Field( field ) -> name) );\ 73 } 74 75 /*--------------------------------------------------------------------------- 76 | Facility : libnform 77 | Function : int set_field_fore(FIELD *field, chtype attr) 78 | 79 | Description : Sets the foreground of the field used to display the 80 | field contents. 81 | 82 | Return Values : E_OK - success 83 | E_BAD_ARGUMENT - invalid attributes 84 | E_SYSTEM_ERROR - system error 85 +--------------------------------------------------------------------------*/ 86 GEN_FIELD_ATTR_SET_FCT(fore) 87 88 /*--------------------------------------------------------------------------- 89 | Facility : libnform 90 | Function : chtype field_fore(const FIELD *) 91 | 92 | Description : Retrieve field's foreground attribute 93 | 94 | Return Values : The foreground attribute 95 +--------------------------------------------------------------------------*/ 96 GEN_FIELD_ATTR_GET_FCT(fore) 97 98 /*--------------------------------------------------------------------------- 99 | Facility : libnform 100 | Function : int set_field_back(FIELD *field, chtype attr) 101 | 102 | Description : Sets the background of the field used to display the 103 | field's extend. 104 | 105 | Return Values : E_OK - success 106 | E_BAD_ARGUMENT - invalid attributes 107 | E_SYSTEM_ERROR - system error 108 +--------------------------------------------------------------------------*/ 109 GEN_FIELD_ATTR_SET_FCT(back) 110 111 /*--------------------------------------------------------------------------- 112 | Facility : libnform 113 | Function : chtype field_back(const 114 | 115 | Description : Retrieve field's background attribute 116 | 117 | Return Values : The background attribute 118 +--------------------------------------------------------------------------*/ 119 GEN_FIELD_ATTR_GET_FCT(back) 120 121 /* fld_attr.c ends here */ 122