1 /**************************************************************************** 2 * Copyright (c) 1998,2000 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 <juergen.pfeifer@gmx.net> 1995,1997 * 31 ****************************************************************************/ 32 #include "form.priv.h" 33 34 MODULE_ID("$Id: fld_opts.c,v 1.7 2000/12/10 02:09:38 tom Exp $") 35 36 /*---------------------------------------------------------------------------- 37 Field-Options manipulation routines 38 --------------------------------------------------------------------------*/ 39 40 /*--------------------------------------------------------------------------- 41 | Facility : libnform 42 | Function : int set_field_opts(FIELD *field, Field_Options opts) 43 | 44 | Description : Turns on the named options for this field and turns 45 | off all the remaining options. 46 | 47 | Return Values : E_OK - success 48 | E_CURRENT - the field is the current field 49 | E_BAD_ARGUMENT - invalid options 50 | E_SYSTEM_ERROR - system error 51 +--------------------------------------------------------------------------*/ 52 NCURSES_EXPORT(int) 53 set_field_opts (FIELD * field, Field_Options opts) 54 { 55 int res = E_BAD_ARGUMENT; 56 opts &= ALL_FIELD_OPTS; 57 if (!(opts & ~ALL_FIELD_OPTS)) 58 res = _nc_Synchronize_Options( Normalize_Field(field), opts ); 59 RETURN(res); 60 } 61 62 /*--------------------------------------------------------------------------- 63 | Facility : libnform 64 | Function : Field_Options field_opts(const FIELD *field) 65 | 66 | Description : Retrieve the fields options. 67 | 68 | Return Values : The options. 69 +--------------------------------------------------------------------------*/ 70 NCURSES_EXPORT(Field_Options) 71 field_opts (const FIELD * field) 72 { 73 return ALL_FIELD_OPTS & Normalize_Field( field )->opts; 74 } 75 76 /*--------------------------------------------------------------------------- 77 | Facility : libnform 78 | Function : int field_opts_on(FIELD *field, Field_Options opts) 79 | 80 | Description : Turns on the named options for this field and all the 81 | remaining options are unchanged. 82 | 83 | Return Values : E_OK - success 84 | E_CURRENT - the field is the current field 85 | E_BAD_ARGUMENT - invalid options 86 | E_SYSTEM_ERROR - system error 87 +--------------------------------------------------------------------------*/ 88 NCURSES_EXPORT(int) 89 field_opts_on (FIELD * field, Field_Options opts) 90 { 91 int res = E_BAD_ARGUMENT; 92 93 opts &= ALL_FIELD_OPTS; 94 if (!(opts & ~ALL_FIELD_OPTS)) 95 { 96 Normalize_Field( field ); 97 res = _nc_Synchronize_Options( field, field->opts | opts ); 98 } 99 RETURN(res); 100 } 101 102 /*--------------------------------------------------------------------------- 103 | Facility : libnform 104 | Function : int field_opts_off(FIELD *field, Field_Options opts) 105 | 106 | Description : Turns off the named options for this field and all the 107 | remaining options are unchanged. 108 | 109 | Return Values : E_OK - success 110 | E_CURRENT - the field is the current field 111 | E_BAD_ARGUMENT - invalid options 112 | E_SYSTEM_ERROR - system error 113 +--------------------------------------------------------------------------*/ 114 NCURSES_EXPORT(int) 115 field_opts_off (FIELD * field, Field_Options opts) 116 { 117 int res = E_BAD_ARGUMENT; 118 119 opts &= ALL_FIELD_OPTS; 120 if (!(opts & ~ALL_FIELD_OPTS)) 121 { 122 Normalize_Field( field ); 123 res = _nc_Synchronize_Options( field, field->opts & ~opts ); 124 } 125 RETURN(res); 126 } 127 128 /* fld_opts.c ends here */ 129