xref: /freebsd-src/contrib/ncurses/ncurses/base/define_key.c (revision 7cc9e6ddbb1a6cd38b2f44d4dd9dfc890d2fc9d0)
1 /****************************************************************************
2  * Copyright (c) 1998,2000 Free Software Foundation, Inc.                   *
3  *                                                                          *
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11  *                                                                          *
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28 
29 /****************************************************************************
30  *  Author: Thomas E. Dickey <dickey@clark.net> 1997                        *
31  ****************************************************************************/
32 
33 #include <curses.priv.h>
34 
35 MODULE_ID("$Id: define_key.c,v 1.6 2000/12/10 02:43:26 tom Exp $")
36 
37 NCURSES_EXPORT(int)
38 define_key
39 (char *str, int keycode)
40 {
41     int code = ERR;
42 
43     T((T_CALLED("define_key(%s,%d)"), _nc_visbuf(str), keycode));
44     if (keycode > 0) {
45 	if (str != 0) {
46 	    define_key(str, 0);
47 	} else if (has_key(keycode)) {
48 	    while (_nc_remove_key(&(SP->_keytry), keycode))
49 		code = OK;
50 	}
51 	if (str != 0) {
52 	    (void) _nc_add_to_try(&(SP->_keytry), str, keycode);
53 	    code = OK;
54 	}
55     } else {
56 	while (_nc_remove_string(&(SP->_keytry), str))
57 	    code = OK;
58     }
59     returnCode(code);
60 }
61