1 /**************************************************************************** 2 * Copyright 2020 Thomas E. Dickey * 3 * Copyright 1998-2009,2014 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: Thomas E. Dickey 1997-on * 32 * and: Juergen Pfeifer 2009 * 33 ****************************************************************************/ 34 35 #include <curses.priv.h> 36 37 MODULE_ID("$Id: define_key.c,v 1.22 2020/02/02 23:34:34 tom Exp $") 38 39 NCURSES_EXPORT(int) 40 NCURSES_SP_NAME(define_key) (NCURSES_SP_DCLx const char *str, int keycode) 41 { 42 int code = ERR; 43 44 T((T_CALLED("define_key(%p, %s,%d)"), (void *) SP_PARM, _nc_visbuf(str), keycode)); 45 if (SP_PARM == 0 || !HasTInfoTerminal(SP_PARM)) { 46 code = ERR; 47 } else if (keycode > 0) { 48 unsigned ukey = (unsigned) keycode; 49 50 #ifdef USE_TERM_DRIVER 51 #define CallHasKey(keycode) CallDriver_1(SP_PARM, td_kyExist, keycode) 52 #else 53 #define CallHasKey(keycode) NCURSES_SP_NAME(has_key)(NCURSES_SP_ARGx keycode) 54 #endif 55 56 if (str != 0) { 57 NCURSES_SP_NAME(define_key) (NCURSES_SP_ARGx str, 0); 58 } else if (CallHasKey(keycode)) { 59 while (_nc_remove_key(&(SP_PARM->_keytry), ukey)) 60 code = OK; 61 } 62 if (str != 0) { 63 if (NCURSES_SP_NAME(key_defined) (NCURSES_SP_ARGx str) == 0) { 64 if (_nc_add_to_try(&(SP_PARM->_keytry), str, ukey) == OK) { 65 code = OK; 66 } else { 67 code = ERR; 68 } 69 } else { 70 code = ERR; 71 } 72 } 73 } else { 74 while (_nc_remove_string(&(SP_PARM->_keytry), str)) 75 code = OK; 76 } 77 returnCode(code); 78 } 79 80 #if NCURSES_SP_FUNCS 81 NCURSES_EXPORT(int) 82 define_key(const char *str, int keycode) 83 { 84 return NCURSES_SP_NAME(define_key) (CURRENT_SCREEN, str, keycode); 85 } 86 #endif 87