/* * $Id: demo_altkeys.c,v 1.2 2005/10/22 18:59:42 tom Exp $ * * Demonstrate the define_key() function. * Thomas Dickey - 2005/10/22 */ #include <test.priv.h> #if defined(NCURSES_VERSION) && NCURSES_EXT_FUNCS #if TIME_WITH_SYS_TIME # include <sys/time.h> # include <time.h> #else # if HAVE_SYS_TIME_H # include <sys/time.h> # else # include <time.h> # endif #endif #include <term.h> #define MY_LOGFILE "demo_altkeys.log" #define MY_KEYS (KEY_MAX + 1) /* * Log the most recently-written line to our logfile */ static void log_last_line(WINDOW *win) { FILE *fp; int y, x, n; char temp[256]; if ((fp = fopen(MY_LOGFILE, "a")) != 0) { int need = sizeof(temp) - 1; if (need > COLS) need = COLS; getyx(win, y, x); wmove(win, y - 1, 0); n = winnstr(win, temp, need); while (n-- > 0) { if (isspace(UChar(temp[n]))) temp[n] = '\0'; else break; } wmove(win, y, x); fprintf(fp, "%s\n", temp); fclose(fp); } } int main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) { int n; int ch; SCREEN *sp; #if HAVE_GETTIMEOFDAY int secs, msecs; struct timeval current, previous; #endif unlink(MY_LOGFILE); sp = newterm(0, stdout, stdin); (void) cbreak(); /* take input chars one at a time, no wait for \n */ (void) noecho(); /* don't echo input */ scrollok(stdscr, TRUE); keypad(stdscr, TRUE); move(0, 0); /* we do the define_key() calls after keypad(), since the first call to * keypad() initializes the corresponding data. */ for (n = 0; n < 255; ++n) { char temp[10]; sprintf(temp, "\033%c", n); define_key(temp, n + MY_KEYS); } for (n = KEY_MIN; n < KEY_MAX; ++n) { char *value; if ((value = keybound(n, 0)) != 0) { char *temp = malloc(strlen(value) + 2); sprintf(temp, "\033%s", value); define_key(temp, n + MY_KEYS); free(temp); free(value); } } #if HAVE_GETTIMEOFDAY gettimeofday(&previous, 0); #endif while ((ch = getch()) != ERR) { bool escaped = (ch >= MY_KEYS); const char *name = keyname(escaped ? (ch - MY_KEYS) : ch); #if HAVE_GETTIMEOFDAY gettimeofday(¤t, 0); secs = current.tv_sec - previous.tv_sec; msecs = (current.tv_usec - previous.tv_usec) / 1000; if (msecs < 0) { msecs += 1000; --secs; } if (msecs >= 1000) { secs += msecs / 1000; msecs %= 1000; } printw("%6d.%03d ", secs, msecs); previous = current; #endif printw("Keycode %d, name %s%s\n", ch, escaped ? "ESC-" : "", name != 0 ? name : "<null>"); log_last_line(stdscr); clrtoeol(); if (ch == 'q') break; } endwin(); #if NO_LEAKS delscreen(sp); #endif ExitProgram(EXIT_FAILURE); } #else int main(void) { printf("This program requires the ncurses library\n"); ExitProgram(EXIT_FAILURE); } #endif