1/**************************************************************************** 2 * Copyright (c) 2002-2003,2006 Free Software Foundation, Inc. * 3 * * 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: * 11 * * 12 * The above copyright notice and this permission notice shall be included * 13 * in all copies or substantial portions of the Software. * 14 * * 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. * 22 * * 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 * 26 * authorization. * 27 ****************************************************************************/ 28/* 29 * $Id: demo_keyok.c,v 1.5 2006/11/04 20:09:51 tom Exp $ 30 * 31 * Demonstrate the keyok() function. 32 * Thomas Dickey - 2002/11/23 33 */ 34 35#include <test.priv.h> 36 37#if defined(NCURSES_VERSION) && NCURSES_EXT_FUNCS 38int 39main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) 40{ 41 int lastch = ERR; 42 int ch; 43 WINDOW *win; 44 45 initscr(); 46 (void) cbreak(); /* take input chars one at a time, no wait for \n */ 47 (void) noecho(); /* don't echo input */ 48 49 printw("Typing any function key will disable it, but typing it twice in\n"); 50 printw("a row will turn it back on (just for a demo)."); 51 refresh(); 52 53 win = newwin(LINES - 2, COLS, 2, 0); 54 scrollok(win, TRUE); 55 keypad(win, TRUE); 56 wmove(win, 0, 0); 57 58 while ((ch = wgetch(win)) != ERR) { 59 const char *name = keyname(ch); 60 wprintw(win, "Keycode %d, name %s\n", 61 ch, 62 name != 0 ? name : "<null>"); 63 wclrtoeol(win); 64 wrefresh(win); 65 if (ch >= KEY_MIN) { 66 keyok(ch, FALSE); 67 lastch = ch; 68 } else if (lastch >= KEY_MIN) { 69 keyok(lastch, TRUE); 70 } 71 } 72 endwin(); 73 ExitProgram(EXIT_SUCCESS); 74} 75#else 76int 77main(void) 78{ 79 printf("This program requires the ncurses library\n"); 80 ExitProgram(EXIT_FAILURE); 81} 82#endif 83