usr.bin/window/wwbox.c

   1 /*      @(#)wwbox.c     8.1 (Berkeley) 6/6/93   */
   2 /*      $NetBSD: wwbox.c,v 1.6 2003/08/07 11:17:36 agc Exp $    */
   3
   4 /*
   5  * Copyright (c) 1983, 1993
   6  *      The Regents of the University of California.  All rights reserved.
   7  *
   8  * This code is derived from software contributed to Berkeley by
   9  * Edward Wang at The University of California, Berkeley.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  * 3. Neither the name of the University nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  */
  35
  36 #include "ww.h"
  37 #include "tt.h"
  38
  39 void
  40 wwbox(struct ww *w, int r, int c, int nr, int nc)
  41 {
  42         int r1, c1;
  43         int i;
  44
  45         r1 = r + nr - 1;
  46         c1 = c + nc - 1;
  47         wwframec(w, r, c, WWF_D|WWF_R);
  48         for (i = c + 1; i < c1; i++)
  49                 wwframec(w, r, i, WWF_L|WWF_R);
  50         wwframec(w, r, i, WWF_L|WWF_D);
  51         for (i = r + 1; i < r1; i++)
  52                 wwframec(w, i, c1, WWF_U|WWF_D);
  53         wwframec(w, i, c1, WWF_U|WWF_L);
  54         for (i = c1 - 1; i > c; i--)
  55                 wwframec(w, r1, i, WWF_R|WWF_L);
  56         wwframec(w, r1, i, WWF_R|WWF_U);
  57         for (i = r1 - 1; i > r; i--)
  58                 wwframec(w, i, c, WWF_D|WWF_U);
  59 }