BSD 4_4_Lite2 release

[unix-history] / usr / src / contrib / nvi.1.43 / PORT / curses / 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. All advertising materials mentioning features or use of this software
*    must display the following acknowledgement:
*      This product includes software developed by the University of
*      California, Berkeley and its contributors.
* 4. 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);
}