OpenBSD-4.6/lib/libocurses/EXAMPLES/ex1.c

/*
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef lint
static char copyright[] =
"@(#) Copyright (c) 1992, 1993\n\
	The Regents of the University of California.  All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)ex1.c	8.1 (Berkeley) 6/4/93";
#endif /* not lint */
#include <sys/types.h>
#include <curses.h>
#include <stdio.h>
#include <signal.h>


#define YSIZE 10 
#define XSIZE 20

int quit();

main()
{
	int i, j, c;
	size_t len;
	char id[100];
	FILE *fp;
	char *s;

	initscr();			/* Always call initscr() first */
	signal(SIGINT, quit);		/* Make sure wou have a 'cleanup' fn */
	crmode();			/* We want cbreak mode */
	noecho();			/* We want to have control of chars */
	delwin(stdscr);			/* Create our own stdscr */
	stdscr = newwin(YSIZE, XSIZE, 10, 35); 
	flushok(stdscr, TRUE);		/* Enable flushing of stdout */
	scrollok(stdscr, TRUE);		/* Enable scrolling */
	erase();			/* Initially, clear the screen */

	standout();
	move(0,0);
	while (1) {
		c = getchar();
		switch(c) {
		case 'q':		/* Quit on 'q' */
			quit();
			break;
		case 's':		/* Go into standout mode on 's' */
			standout();
			break;
		case 'e':		/* Exit standout mode on 'e' */
			standend();
			break;
		case 'r':		/* Force a refresh on 'r' */
			wrefresh(curscr);
			break;
		default:		/* By default output the character */
			addch(c);
			refresh();
		}
	}
}


int
quit()
{
	erase();		/* Terminate by erasing the screen */
	refresh();
	endwin();		/* Always end with endwin() */
	delwin(curscr);		/* Return storage */
	delwin(stdscr);
	putchar('\n');
	exit(0);
}