#include <ncurses.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/termios.h>
#include <signal.h>
#include <unistd.h>

FILE *f;

static void resize_sig_handler(int signo)
{
	struct winsize win;
	ioctl(STDIN_FILENO, TIOCGWINSZ, &win);
	/* Avoid bogus sizes. */
	if (win.ws_col > 10 && win.ws_row > 5) {
		/* Setup the ncurses library internal data. */
		resizeterm(win.ws_row, win.ws_col);
		fprintf(f, "resized to %d, %d\n", win.ws_row, win.ws_col);
	}
	refresh();
	signal(SIGWINCH, resize_sig_handler);
}

int main()
{
	struct sigaction resize_sig;
	int c;

	resize_sig.sa_handler = resize_sig_handler;
	sigemptyset(&resize_sig.sa_mask);
	resize_sig.sa_flags = SA_RESTART;

	sigaction(SIGWINCH, &resize_sig, NULL);

	initscr();
	start_color();
	noecho();
	nonl();
	raw();
	intrflush(stdscr, FALSE);
	keypad(stdscr, TRUE);
	mvaddstr(0, 0, "enter keys, type q to quit.");
	refresh();

	f = fopen("t.out", "a");
	fprintf(f, "################\n");
	do {
//		XXX with the following two lines uncommented, it works.
//		nodelay(stdscr, TRUE);
		c = getch();
//		nodelay(stdscr, FALSE);
		if (c == KEY_RESIZE)
			fprintf(f, "got KEY_RESIZE\n");
		else if (c != ERR)
			fprintf(f, "got %d '%c'\n", c, c);
	} while (c != 'q');
	fclose(f);

	endwin();
}