1 /* @(#)wwframe.c 8.1 (Berkeley) 6/6/93 */
2 /* $NetBSD: wwframe.c,v 1.7 2003/08/07 11:17:39 agc Exp $ */
5 * Copyright (c) 1983, 1993
6 * The Regents of the University of California. All rights reserved.
8 * This code is derived from software contributed to Berkeley by
9 * Edward Wang at The University of California, Berkeley.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
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.
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
39 #define frameok(w, r, c) (w1 = wwindex[wwsmap[r][c]], \
40 w1->ww_fmap || w1->ww_order > (w)->ww_order)
43 wwframe(struct ww *w, struct ww *wframe)
57 b2 = c < 0 || frameok(w, r, c);
59 for (; c < w->ww_i.r; c++) {
60 if (c + 1 >= wwncol) {
64 a3 = w->ww_index == wwsmap[r + 1][c + 1];
65 b3 = frameok(w, r, c + 1);
74 wwframec(wframe, r, c, code|WWF_TOP);
81 if ((a1 || a2) && b1 && b2)
82 wwframec(wframe, r, c, WWF_L|WWF_TOP);
85 if (w->ww_w.b < wwnrow) {
91 b2 = c < 0 || frameok(w, r, c);
93 for (; c < w->ww_i.r; c++) {
94 if (c + 1 >= wwncol) {
98 a3 = w->ww_index == wwsmap[r - 1][c + 1];
99 b3 = frameok(w, r, c + 1);
103 if ((a1 || a2) && b1)
105 if ((a2 || a3) && b3)
108 wwframec(wframe, r, c, code);
115 if ((a1 || a2) && b1 && b2)
116 wwframec(wframe, r, c, WWF_L);
125 b2 = r < 0 || frameok(w, r, c);
127 for (; r < w->ww_i.b; r++) {
128 if (r + 1 >= wwnrow) {
132 a3 = w->ww_index == wwsmap[r + 1][c + 1];
133 b3 = frameok(w, r + 1, c);
137 if ((a1 || a2) && b1)
139 if ((a2 || a3) && b3)
142 wwframec(wframe, r, c, code);
149 if ((a1 || a2) && b1 && b2)
150 wwframec(wframe, r, c, WWF_U);
153 if (w->ww_w.r < wwncol) {
159 b2 = r < 0 || frameok(w, r, c);
161 for (; r < w->ww_i.b; r++) {
162 if (r + 1 >= wwnrow) {
166 a3 = w->ww_index == wwsmap[r + 1][c - 1];
167 b3 = frameok(w, r + 1, c);
171 if ((a1 || a2) && b1)
173 if ((a2 || a3) && b3)
176 wwframec(wframe, r, c, code);
183 if ((a1 || a2) && b1 && b2)
184 wwframec(wframe, r, c, WWF_U);
189 wwframec(struct ww *f, int r, int c, char code)
194 if (r < f->ww_i.t || r >= f->ww_i.b || c < f->ww_i.l || c >= f->ww_i.r)
197 smap = &wwsmap[r][c];
203 if (w->ww_order > f->ww_order) {
204 if (w != &wwnobody && w->ww_win[r][c] == 0)
210 if (f->ww_fmap != 0) {
213 fmap = &f->ww_fmap[r][c];
222 char *win = &f->ww_win[r][c];
224 if (*win == WWM_GLS && *smap == f->ww_index)
228 if (oldcode != code && (code & WWF_LABEL) == 0) {
231 frame = tt.tt_frame[code & WWF_MASK];
232 f->ww_buf[r][c].c_w = frame;
233 if (wwsmap[r][c] == f->ww_index) {
234 wwtouched[r] |= WWU_TOUCHED;
235 wwns[r][c].c_w = frame;