1 /* $OpenBSD: define_key.c,v 1.6 2023/10/17 09:52:08 nicm Exp $ */
2
3 /****************************************************************************
4 * Copyright 2020 Thomas E. Dickey *
5 * Copyright 1998-2009,2014 Free Software Foundation, Inc. *
6 * *
7 * Permission is hereby granted, free of charge, to any person obtaining a *
8 * copy of this software and associated documentation files (the *
9 * "Software"), to deal in the Software without restriction, including *
10 * without limitation the rights to use, copy, modify, merge, publish, *
11 * distribute, distribute with modifications, sublicense, and/or sell *
12 * copies of the Software, and to permit persons to whom the Software is *
13 * furnished to do so, subject to the following conditions: *
14 * *
15 * The above copyright notice and this permission notice shall be included *
16 * in all copies or substantial portions of the Software. *
17 * *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
25 * *
26 * Except as contained in this notice, the name(s) of the above copyright *
27 * holders shall not be used in advertising or otherwise to promote the *
28 * sale, use or other dealings in this Software without prior written *
29 * authorization. *
30 ****************************************************************************/
31
32 /****************************************************************************
33 * Author: Thomas E. Dickey 1997-on *
34 * and: Juergen Pfeifer 2009 *
35 ****************************************************************************/
36
37 #include <curses.priv.h>
38
39 MODULE_ID("$Id: define_key.c,v 1.6 2023/10/17 09:52:08 nicm Exp $")
40
NCURSES_EXPORT(int)41 NCURSES_EXPORT(int)
42 NCURSES_SP_NAME(define_key) (NCURSES_SP_DCLx const char *str, int keycode)
43 {
44 int code = ERR;
45
46 T((T_CALLED("define_key(%p, %s,%d)"), (void *) SP_PARM, _nc_visbuf(str), keycode));
47 if (SP_PARM == 0 || !HasTInfoTerminal(SP_PARM)) {
48 code = ERR;
49 } else if (keycode > 0) {
50 unsigned ukey = (unsigned) keycode;
51
52 #ifdef USE_TERM_DRIVER
53 #define CallHasKey(keycode) CallDriver_1(SP_PARM, td_kyExist, keycode)
54 #else
55 #define CallHasKey(keycode) NCURSES_SP_NAME(has_key)(NCURSES_SP_ARGx keycode)
56 #endif
57
58 if (str != 0) {
59 NCURSES_SP_NAME(define_key) (NCURSES_SP_ARGx str, 0);
60 } else if (CallHasKey(keycode)) {
61 while (_nc_remove_key(&(SP_PARM->_keytry), ukey))
62 code = OK;
63 }
64 if (str != 0) {
65 if (NCURSES_SP_NAME(key_defined) (NCURSES_SP_ARGx str) == 0) {
66 if (_nc_add_to_try(&(SP_PARM->_keytry), str, ukey) == OK) {
67 code = OK;
68 } else {
69 code = ERR;
70 }
71 } else {
72 code = ERR;
73 }
74 }
75 } else {
76 while (_nc_remove_string(&(SP_PARM->_keytry), str))
77 code = OK;
78 }
79 returnCode(code);
80 }
81
82 #if NCURSES_SP_FUNCS
83 NCURSES_EXPORT(int)
define_key(const char * str,int keycode)84 define_key(const char *str, int keycode)
85 {
86 return NCURSES_SP_NAME(define_key) (CURRENT_SCREEN, str, keycode);
87 }
88 #endif
89