1 /**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998-2010,2016 Free Software Foundation, Inc. * 4 * * 5 * Permission is hereby granted, free of charge, to any person obtaining a * 6 * copy of this software and associated documentation files (the * 7 * "Software"), to deal in the Software without restriction, including * 8 * without limitation the rights to use, copy, modify, merge, publish, * 9 * distribute, distribute with modifications, sublicense, and/or sell * 10 * copies of the Software, and to permit persons to whom the Software is * 11 * furnished to do so, subject to the following conditions: * 12 * * 13 * The above copyright notice and this permission notice shall be included * 14 * in all copies or substantial portions of the Software. * 15 * * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 19 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 23 * * 24 * Except as contained in this notice, the name(s) of the above copyright * 25 * holders shall not be used in advertising or otherwise to promote the * 26 * sale, use or other dealings in this Software without prior written * 27 * authorization. * 28 ****************************************************************************/ 29 30 /**************************************************************************** 31 * Author: Juergen Pfeifer, 1995,1997 * 32 ****************************************************************************/ 33 34 #include "form.priv.h" 35 36 MODULE_ID("$Id: fld_attr.c,v 1.15 2020/12/11 22:05:24 tom Exp $") 37 38 /*---------------------------------------------------------------------------- 39 Field-Attribute manipulation routines 40 --------------------------------------------------------------------------*/ 41 /* "Template" macro to generate a function to set a field's attribute */ 42 #define GEN_FIELD_ATTR_SET_FCT( name ) \ 43 FORM_IMPEXP int NCURSES_API set_field_ ## name (FIELD * field, chtype attr)\ 44 {\ 45 int res = E_BAD_ARGUMENT;\ 46 T((T_CALLED("set_field_" #name "(%p,%s)"), (void *)field, _traceattr(attr)));\ 47 if ( attr==A_NORMAL || ((attr & A_ATTRIBUTES)==attr) )\ 48 {\ 49 Normalize_Field( field );\ 50 if (field != 0) \ 51 { \ 52 if ((field -> name) != attr)\ 53 {\ 54 field -> name = attr;\ 55 res = _nc_Synchronize_Attributes( field );\ 56 }\ 57 else\ 58 {\ 59 res = E_OK;\ 60 }\ 61 }\ 62 }\ 63 RETURN(res);\ 64 } 65 66 /* "Template" macro to generate a function to get a field's attribute */ 67 #define GEN_FIELD_ATTR_GET_FCT( name ) \ 68 FORM_IMPEXP chtype NCURSES_API field_ ## name (const FIELD * field)\ 69 {\ 70 T((T_CALLED("field_" #name "(%p)"), (const void *) field));\ 71 returnAttr( A_ATTRIBUTES & (Normalize_Field( field ) -> name) );\ 72 } 73 74 /*--------------------------------------------------------------------------- 75 | Facility : libnform 76 | Function : int set_field_fore(FIELD *field, chtype attr) 77 | 78 | Description : Sets the foreground of the field used to display the 79 | field contents. 80 | 81 | Return Values : E_OK - success 82 | E_BAD_ARGUMENT - invalid attributes 83 | E_SYSTEM_ERROR - system error 84 +--------------------------------------------------------------------------*/ 85 GEN_FIELD_ATTR_SET_FCT(fore) 86 87 /*--------------------------------------------------------------------------- 88 | Facility : libnform 89 | Function : chtype field_fore(const FIELD *) 90 | 91 | Description : Retrieve field's foreground attribute 92 | 93 | Return Values : The foreground attribute 94 +--------------------------------------------------------------------------*/ 95 GEN_FIELD_ATTR_GET_FCT(fore) 96 97 /*--------------------------------------------------------------------------- 98 | Facility : libnform 99 | Function : int set_field_back(FIELD *field, chtype attr) 100 | 101 | Description : Sets the background of the field used to display the 102 | field's extend. 103 | 104 | Return Values : E_OK - success 105 | E_BAD_ARGUMENT - invalid attributes 106 | E_SYSTEM_ERROR - system error 107 +--------------------------------------------------------------------------*/ 108 GEN_FIELD_ATTR_SET_FCT(back) 109 110 /*--------------------------------------------------------------------------- 111 | Facility : libnform 112 | Function : chtype field_back(const 113 | 114 | Description : Retrieve field's background attribute 115 | 116 | Return Values : The background attribute 117 +--------------------------------------------------------------------------*/ 118 GEN_FIELD_ATTR_GET_FCT(back) 119 120 /* fld_attr.c ends here */ 121