1 /* $OpenBSD: define_key.c,v 1.6 2023/10/17 09:52:08 nicm Exp $ */ 2 3 /**************************************************************************** 4 * Copyright 2020 Thomas E. Dickey * 5 * Copyright 1998-2009,2014 Free Software Foundation, Inc. * 6 * * 7 * Permission is hereby granted, free of charge, to any person obtaining a * 8 * copy of this software and associated documentation files (the * 9 * "Software"), to deal in the Software without restriction, including * 10 * without limitation the rights to use, copy, modify, merge, publish, * 11 * distribute, distribute with modifications, sublicense, and/or sell * 12 * copies of the Software, and to permit persons to whom the Software is * 13 * furnished to do so, subject to the following conditions: * 14 * * 15 * The above copyright notice and this permission notice shall be included * 16 * in all copies or substantial portions of the Software. * 17 * * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 25 * * 26 * Except as contained in this notice, the name(s) of the above copyright * 27 * holders shall not be used in advertising or otherwise to promote the * 28 * sale, use or other dealings in this Software without prior written * 29 * authorization. * 30 ****************************************************************************/ 31 32 /**************************************************************************** 33 * Author: Thomas E. Dickey 1997-on * 34 * and: Juergen Pfeifer 2009 * 35 ****************************************************************************/ 36 37 #include <curses.priv.h> 38 39 MODULE_ID("$Id: define_key.c,v 1.6 2023/10/17 09:52:08 nicm Exp $") 40 41 NCURSES_EXPORT(int) 42 NCURSES_SP_NAME(define_key) (NCURSES_SP_DCLx const char *str, int keycode) 43 { 44 int code = ERR; 45 46 T((T_CALLED("define_key(%p, %s,%d)"), (void *) SP_PARM, _nc_visbuf(str), keycode)); 47 if (SP_PARM == 0 || !HasTInfoTerminal(SP_PARM)) { 48 code = ERR; 49 } else if (keycode > 0) { 50 unsigned ukey = (unsigned) keycode; 51 52 #ifdef USE_TERM_DRIVER 53 #define CallHasKey(keycode) CallDriver_1(SP_PARM, td_kyExist, keycode) 54 #else 55 #define CallHasKey(keycode) NCURSES_SP_NAME(has_key)(NCURSES_SP_ARGx keycode) 56 #endif 57 58 if (str != 0) { 59 NCURSES_SP_NAME(define_key) (NCURSES_SP_ARGx str, 0); 60 } else if (CallHasKey(keycode)) { 61 while (_nc_remove_key(&(SP_PARM->_keytry), ukey)) 62 code = OK; 63 } 64 if (str != 0) { 65 if (NCURSES_SP_NAME(key_defined) (NCURSES_SP_ARGx str) == 0) { 66 if (_nc_add_to_try(&(SP_PARM->_keytry), str, ukey) == OK) { 67 code = OK; 68 } else { 69 code = ERR; 70 } 71 } else { 72 code = ERR; 73 } 74 } 75 } else { 76 while (_nc_remove_string(&(SP_PARM->_keytry), str)) 77 code = OK; 78 } 79 returnCode(code); 80 } 81 82 #if NCURSES_SP_FUNCS 83 NCURSES_EXPORT(int) 84 define_key(const char *str, int keycode) 85 { 86 return NCURSES_SP_NAME(define_key) (CURRENT_SCREEN, str, keycode); 87 } 88 #endif 89