1 /* $NetBSD: wwframe.c,v 1.7 2003/08/07 11:17:39 agc Exp $ */
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Edward Wang at The University of California, Berkeley.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #include <sys/cdefs.h>
38 static char sccsid[] = "@(#)wwframe.c 8.1 (Berkeley) 6/6/93";
40 __RCSID("$NetBSD: wwframe.c,v 1.7 2003/08/07 11:17:39 agc Exp $");
47 #define frameok(w, r, c) (w1 = wwindex[wwsmap[r][c]], \
48 w1->ww_fmap || w1->ww_order > (w)->ww_order)
51 wwframe(struct ww *w, struct ww *wframe)
65 b2 = c < 0 || frameok(w, r, c);
67 for (; c < w->ww_i.r; c++) {
68 if (c + 1 >= wwncol) {
72 a3 = w->ww_index == wwsmap[r + 1][c + 1];
73 b3 = frameok(w, r, c + 1);
82 wwframec(wframe, r, c, code|WWF_TOP);
89 if ((a1 || a2) && b1 && b2)
90 wwframec(wframe, r, c, WWF_L|WWF_TOP);
93 if (w->ww_w.b < wwnrow) {
99 b2 = c < 0 || frameok(w, r, c);
101 for (; c < w->ww_i.r; c++) {
102 if (c + 1 >= wwncol) {
106 a3 = w->ww_index == wwsmap[r - 1][c + 1];
107 b3 = frameok(w, r, c + 1);
111 if ((a1 || a2) && b1)
113 if ((a2 || a3) && b3)
116 wwframec(wframe, r, c, code);
123 if ((a1 || a2) && b1 && b2)
124 wwframec(wframe, r, c, WWF_L);
133 b2 = r < 0 || frameok(w, r, c);
135 for (; r < w->ww_i.b; r++) {
136 if (r + 1 >= wwnrow) {
140 a3 = w->ww_index == wwsmap[r + 1][c + 1];
141 b3 = frameok(w, r + 1, c);
145 if ((a1 || a2) && b1)
147 if ((a2 || a3) && b3)
150 wwframec(wframe, r, c, code);
157 if ((a1 || a2) && b1 && b2)
158 wwframec(wframe, r, c, WWF_U);
161 if (w->ww_w.r < wwncol) {
167 b2 = r < 0 || frameok(w, r, c);
169 for (; r < w->ww_i.b; r++) {
170 if (r + 1 >= wwnrow) {
174 a3 = w->ww_index == wwsmap[r + 1][c - 1];
175 b3 = frameok(w, r + 1, c);
179 if ((a1 || a2) && b1)
181 if ((a2 || a3) && b3)
184 wwframec(wframe, r, c, code);
191 if ((a1 || a2) && b1 && b2)
192 wwframec(wframe, r, c, WWF_U);
197 wwframec(struct ww *f, int r, int c, char code)
202 if (r < f->ww_i.t || r >= f->ww_i.b || c < f->ww_i.l || c >= f->ww_i.r)
205 smap = &wwsmap[r][c];
211 if (w->ww_order > f->ww_order) {
212 if (w != &wwnobody && w->ww_win[r][c] == 0)
218 if (f->ww_fmap != 0) {
221 fmap = &f->ww_fmap[r][c];
230 char *win = &f->ww_win[r][c];
232 if (*win == WWM_GLS && *smap == f->ww_index)
236 if (oldcode != code && (code & WWF_LABEL) == 0) {
239 frame = tt.tt_frame[code & WWF_MASK];
240 f->ww_buf[r][c].c_w = frame;
241 if (wwsmap[r][c] == f->ww_index) {
242 wwtouched[r] |= WWU_TOUCHED;
243 wwns[r][c].c_w = frame;