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
37MODULE_ID("$Id: define_key.c,v 1.22 2020/02/02 23:34:34 tom Exp $")
38
39NCURSES_EXPORT(int)
40NCURSES_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
81NCURSES_EXPORT(int)
82define_key(const char *str, int keycode)
83{
84    return NCURSES_SP_NAME(define_key) (CURRENT_SCREEN, str, keycode);
85}
86#endif
87