define_key.c revision 1.5
1/* $OpenBSD: define_key.c,v 1.5 2010/01/12 23:22:05 nicm Exp $ */ 2 3/**************************************************************************** 4 * Copyright (c) 1998-2005,2006 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31/**************************************************************************** 32 * Author: Thomas E. Dickey 1997-on * 33 ****************************************************************************/ 34 35#include <curses.priv.h> 36 37MODULE_ID("$Id: define_key.c,v 1.5 2010/01/12 23:22:05 nicm Exp $") 38 39NCURSES_EXPORT(int) 40define_key(const char *str, int keycode) 41{ 42 int code = ERR; 43 44 T((T_CALLED("define_key(%s,%d)"), _nc_visbuf(str), keycode)); 45 if (SP == 0) { 46 code = ERR; 47 } else if (keycode > 0) { 48 unsigned ukey = (unsigned) keycode; 49 50 if (str != 0) { 51 define_key(str, 0); 52 } else if (has_key(keycode)) { 53 while (_nc_remove_key(&(SP->_keytry), ukey)) 54 code = OK; 55 } 56 if (str != 0) { 57 if (key_defined(str) == 0) { 58 if (_nc_add_to_try(&(SP->_keytry), str, ukey) == OK) { 59 code = OK; 60 } else { 61 code = ERR; 62 } 63 } else { 64 code = ERR; 65 } 66 } 67 } else { 68 while (_nc_remove_string(&(SP->_keytry), str)) 69 code = OK; 70 } 71 returnCode(code); 72} 73