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tetex-bin  3.0
define_key.c
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00001 /****************************************************************************
00002  * Copyright (c) 1998-2000,2003 Free Software Foundation, Inc.              *
00003  *                                                                          *
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00005  * copy of this software and associated documentation files (the            *
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00011  *                                                                          *
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00014  *                                                                          *
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00022  *                                                                          *
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00028 
00029 /****************************************************************************
00030  *  Author: Thomas E. Dickey <dickey@clark.net> 1997                        *
00031  ****************************************************************************/
00032 
00033 #include <curses.priv.h>
00034 
00035 MODULE_ID("$Id: define_key.c,v 1.8 2003/05/17 23:28:05 tom Exp $")
00036 
00037 NCURSES_EXPORT(int)
00038 define_key(const char *str, int keycode)
00039 {
00040     int code = ERR;
00041 
00042     T((T_CALLED("define_key(%s,%d)"), _nc_visbuf(str), keycode));
00043     if (keycode > 0) {
00044        if (str != 0) {
00045            define_key(str, 0);
00046        } else if (has_key(keycode)) {
00047            while (_nc_remove_key(&(SP->_keytry), keycode))
00048               code = OK;
00049        }
00050        if (str != 0) {
00051            if (key_defined(str) == 0) {
00052               (void) _nc_add_to_try(&(SP->_keytry), str, keycode);
00053               code = OK;
00054            } else {
00055               code = ERR;
00056            }
00057        }
00058     } else {
00059        while (_nc_remove_string(&(SP->_keytry), str))
00060            code = OK;
00061     }
00062     returnCode(code);
00063 }