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/**************************************************************************** * Copyright (c) 2002-2003,2006 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * ***************************************************************************/ / * $Id: demo_keyok.c,v 1.5 2006/11/04 20:09:51 tom Exp $ * * Demonstrate the keyok() function. * Thomas Dickey - 2002/11/23 / #include <test.priv.h> #if defined(NCURSES_VERSION) && NCURSES_EXT_FUNCS int main(int argc GCC_UNUSED, char argv[]GCC_UNUSED) { int lastch = ERR; int ch; WINDOW win; initscr(); (void) cbreak(); / take input chars one at a time, no wait for \n / (void) noecho(); / don't echo input / printw("Typing any function key will disable it, but typing it twice in\n"); printw("a row will turn it back on (just for a demo)."); refresh(); win = newwin(LINES - 2, COLS, 2, 0); scrollok(win, TRUE); keypad(win, TRUE); wmove(win, 0, 0); while ((ch = wgetch(win)) != ERR) { const char name = keyname(ch); wprintw(win, "Keycode %d, name %s\n", ch, name != 0 ? name : "<null>"); wclrtoeol(win); wrefresh(win); if (ch >= KEY_MIN) { keyok(ch, FALSE); lastch = ch; } else if (lastch >= KEY_MIN) { keyok(lastch, TRUE); } } endwin(); ExitProgram(EXIT_SUCCESS); } #else int main(void) { printf("This program requires the ncurses library\n"); ExitProgram(EXIT_FAILURE); } #endif