1 /**************************************************************************** 2 * Copyright 2018,2020 Thomas E. Dickey * 3 * Copyright 1998-2012,2016 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_ftchoice.c,v 1.16 2020/02/02 23:34:34 tom Exp $") 37 38 /*--------------------------------------------------------------------------- 39 | Facility : libnform 40 | Function : int set_fieldtype_choice( 41 | FIELDTYPE *typ, 42 | bool (* const next_choice)(FIELD *,const void *), 43 | bool (* const prev_choice)(FIELD *,const void *)) 44 | 45 | Description : Define implementation of enumeration requests. 46 | 47 | Return Values : E_OK - success 48 | E_BAD_ARGUMENT - invalid arguments 49 +--------------------------------------------------------------------------*/ 50 NCURSES_EXPORT(int) 51 set_fieldtype_choice(FIELDTYPE *typ, 52 bool (*const next_choice) (FIELD *, const void *), 53 bool (*const prev_choice) (FIELD *, const void *)) 54 { 55 TR_FUNC_BFR(2); 56 57 T((T_CALLED("set_fieldtype_choice(%p,%s,%s)"), 58 (void *)typ, 59 TR_FUNC_ARG(0, next_choice), 60 TR_FUNC_ARG(1, prev_choice))); 61 62 if (!typ || !next_choice || !prev_choice) 63 RETURN(E_BAD_ARGUMENT); 64 65 SetStatus(typ, _HAS_CHOICE); 66 #if NCURSES_INTEROP_FUNCS 67 typ->enum_next.onext = next_choice; 68 typ->enum_prev.oprev = prev_choice; 69 #else 70 typ->next = next_choice; 71 typ->prev = prev_choice; 72 #endif 73 RETURN(E_OK); 74 } 75 76 /* fld_ftchoice.c ends here */ 77