1 /**************************************************************************** 2 * Copyright (c) 1998-2005,2006 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: Thomas E. Dickey 1997-on * 31 ****************************************************************************/ 32 33 #include <curses.priv.h> 34 35 MODULE_ID("$Id: define_key.c,v 1.13 2006/12/30 23:23:31 tom Exp $") 36 37 NCURSES_EXPORT(int) 38 define_key(const char *str, int keycode) 39 { 40 int code = ERR; 41 42 T((T_CALLED("define_key(%s,%d)"), _nc_visbuf(str), keycode)); 43 if (SP == 0) { 44 code = ERR; 45 } else if (keycode > 0) { 46 unsigned ukey = (unsigned) keycode; 47 48 if (str != 0) { 49 define_key(str, 0); 50 } else if (has_key(keycode)) { 51 while (_nc_remove_key(&(SP->_keytry), ukey)) 52 code = OK; 53 } 54 if (str != 0) { 55 if (key_defined(str) == 0) { 56 if (_nc_add_to_try(&(SP->_keytry), str, ukey) == OK) { 57 code = OK; 58 } else { 59 code = ERR; 60 } 61 } else { 62 code = ERR; 63 } 64 } 65 } else { 66 while (_nc_remove_string(&(SP->_keytry), str)) 67 code = OK; 68 } 69 returnCode(code); 70 } 71