1 /****************************************************************************
2 * Copyright (c) 1998-2012,2014 Free Software Foundation, Inc. *
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5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
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9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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27 ****************************************************************************/
29 /****************************************************************************
30 * Author: Thomas E. Dickey 1997-on *
31 * and: Juergen Pfeifer 2009 *
32 ****************************************************************************/
34 #include <curses.priv.h>
36 MODULE_ID("$Id: keyok.c,v 1.14 2014/03/08 20:32:59 tom Exp $")
39 * Enable (or disable) ncurses' interpretation of a keycode by adding (or
40 * removing) the corresponding 'tries' entry.
42 * Do this by storing a second tree of tries, which records the disabled keys.
43 * The simplest way to copy is to make a function that returns the string (with
44 * nulls set to 0200), then use that to reinsert the string into the
49 NCURSES_SP_NAME(keyok) (NCURSES_SP_DCLx int c, bool flag)
53 if (HasTerminal(SP_PARM)) {
54 T((T_CALLED("keyok(%p, %d,%d)"), (void *) SP_PARM, c, flag));
55 #ifdef USE_TERM_DRIVER
56 code = CallDriver_2(sp, td_kyOk, c, flag);
58 T((T_CALLED("keyok(%d,%d)"), c, flag));
62 unsigned ch = (unsigned) c;
65 while ((s = _nc_expand_try(SP_PARM->_key_ok,
66 ch, &count, (size_t) 0)) != 0) {
67 if (_nc_remove_key(&(SP_PARM->_key_ok), ch)) {
68 code = _nc_add_to_try(&(SP_PARM->_keytry), s, ch);
78 while ((s = _nc_expand_try(SP_PARM->_keytry,
79 ch, &count, (size_t) 0)) != 0) {
80 if (_nc_remove_key(&(SP_PARM->_keytry), ch)) {
81 code = _nc_add_to_try(&(SP_PARM->_key_ok), s, ch);
99 keyok(int c, bool flag)
101 return NCURSES_SP_NAME(keyok) (CURRENT_SCREEN, c, flag);