1 /****************************************************************************
2 * Copyright (c) 2002-2006,2017 Free Software Foundation, Inc. *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
27 ****************************************************************************/
29 * $Id: demo_keyok.c,v 1.6 2017/04/10 00:37:08 tom Exp $
31 * Demonstrate the keyok() function.
32 * Thomas Dickey - 2002/11/23
35 #include <test.priv.h>
37 #if defined(NCURSES_VERSION) && NCURSES_EXT_FUNCS
39 main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED)
47 (void) cbreak(); /* take input chars one at a time, no wait for \n */
48 (void) noecho(); /* don't echo input */
50 printw("Typing any function key will disable it, but typing it twice in\n");
51 printw("a row will turn it back on (just for a demo).");
54 win = newwin(LINES - 2, COLS, 2, 0);
59 while ((ch = wgetch(win)) != ERR) {
60 const char *name = keyname(ch);
61 if (ch == ESCAPE && prior == ch)
64 wprintw(win, "Keycode %d, name %s\n",
66 name != 0 ? name : "<null>");
72 } else if (lastch >= KEY_MIN) {
77 ExitProgram(EXIT_SUCCESS);
83 printf("This program requires the ncurses library\n");
84 ExitProgram(EXIT_FAILURE);