lib/libcurses/PSD.doc/ex1.c

   1 .\"     $NetBSD: ex1.c,v 1.6 2003/08/07 16:44:27 agc Exp $
   2 .\"
   3 .\" Copyright (c) 1992, 1993
   4 .\"      The Regents of the University of California.  All rights reserved.
   5 .\"
   6 .\" Redistribution and use in source and binary forms, with or without
   7 .\" modification, are permitted provided that the following conditions
   8 .\" are met:
   9 .\" 1. Redistributions of source code must retain the above copyright
  10 .\"    notice, this list of conditions and the following disclaimer.
  11 .\" 2. Redistributions in binary form must reproduce the above copyright
  12 .\"    notice, this list of conditions and the following disclaimer in the
  13 .\"    documentation and/or other materials provided with the distribution.
  14 .\" 3. Neither the name of the University nor the names of its contributors
  15 .\"    may be used to endorse or promote products derived from this software
  16 .\"    without specific prior written permission.
  17 .\"
  18 .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  19 .\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20 .\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21 .\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  22 .\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23 .\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24 .\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25 .\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26 .\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28 .\" SUCH DAMAGE.
  29 .\"
  30 .\"     @(#)ex1.c       8.1 (Berkeley) 6/8/93
  31 .\"
  32 #include <sys/types.h>
  33 #include <curses.h>
  34 #include <stdio.h>
  35 #include <signal.h>
  36
  37
  38 #define YSIZE 10
  39 #define XSIZE 20
  40
  41 int quit();
  42
  43 main()
  44 {
  45         int i, j, c;
  46         size_t len;
  47         char id[100];
  48         FILE *fp;
  49         char *s;
  50
  51         initscr();                      /* Always call initscr() first */
  52         signal(SIGINT, quit);           /* Make sure wou have a 'cleanup' fn */
  53         crmode();                       /* We want cbreak mode */
  54         noecho();                       /* We want to have control of chars */
  55         delwin(stdscr);                 /* Create our own stdscr */
  56         stdscr = newwin(YSIZE, XSIZE, 10, 35);
  57         flushok(stdscr, TRUE);          /* Enable flushing of stdout */
  58         scrollok(stdscr, TRUE);         /* Enable scrolling */
  59         erase();                        /* Initially, clear the screen */
  60
  61         standout();
  62         move(0,0);
  63         while (1) {
  64                 c = getchar();
  65                 switch(c) {
  66                 case 'q':               /* Quit on 'q' */
  67                         quit();
  68                         break;
  69                 case 's':               /* Go into standout mode on 's' */
  70                         standout();
  71                         break;
  72                 case 'e':               /* Exit standout mode on 'e' */
  73                         standend();
  74                         break;
  75                 case 'r':               /* Force a refresh on 'r' */
  76                         wrefresh(curscr);
  77                         break;
  78                 default:                /* By default output the character */
  79                         addch(c);
  80                         refresh();
  81                 }
  82         }
  83 }
  84
  85
  86 int
  87 quit()
  88 {
  89         erase();                /* Terminate by erasing the screen */
  90         refresh();
  91         endwin();               /* Always end with endwin() */
  92         delwin(curscr);         /* Return storage */
  93         delwin(stdscr);
  94         putchar('\n');
  95         exit(0);
  96 }
  97
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