X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/d439a75297a6f2f67ad58320adc801d112f5ab98..7d77e730defb12e2d349b1b63815003b129ce073:/usr/src/usr.bin/window/wwlabel.c

diff --git a/usr/src/usr.bin/window/wwlabel.c b/usr/src/usr.bin/window/wwlabel.c
index c703b5ff12..b4fe0afa20 100644
--- a/usr/src/usr.bin/window/wwlabel.c
+++ b/usr/src/usr.bin/window/wwlabel.c
@@ -1,21 +1,62 @@
 #ifndef lint
-static	char *sccsid = "@(#)wwlabel.c	1.4 83/07/28";
+static	char *sccsid = "@(#)wwlabel.c	3.3 83/08/16";
 #endif
 
 #include "ww.h"
 
-wwlabel(w, where, l, mode)
-register struct ww *w;
-register char *l;
+/*
+ * Label window w on f,
+ * at 1 line above w and 'where' columns from it's left edge.
+ * Gross, but it works.
+ */
+wwlabel(w, f, where, l, mode)
+struct ww *w;
+struct ww *f;
+char *l;
 {
-	register i;
+	int i;
+	register j;
 	register char *p;
-	char ulc, top, urc, left, right, llc, bottom, lrc;
+	register char *win;
+	register union ww_char *buf;
+	register union ww_char *ns;
+	register char *fmap;
+	char *touched;
 
-	if (w->ww_i.nrow == w->ww_w.nrow)	/* not framed */
+	if ((i = w->ww_w.t - 1 - f->ww_w.t) < 0)
 		return -1;
-	Wauxcursor(w->ww_win, 0, where);
-	for (i = w->ww_o.ncol - where - 1; i > 0 && *l; l++)
-		for (p = unctrl(*l); *p; p++, i--)
-			Waputc(*p, mode, w->ww_win);
+	j = w->ww_w.l + where;
+	j = MAX(j, f->ww_w.l);
+	win = &f->ww_win[i][j - f->ww_w.l];
+	buf = &f->ww_buf[w->ww_scroll + i][j - f->ww_w.l];
+	i += f->ww_w.t;
+	ns = &wwns[i][j];
+	fmap = &wwfmap[i][j];
+	touched = &wwtouched[i];
+	j = MIN(w->ww_w.r, f->ww_w.r) - j;
+
+	for (; j > 0 && *l;)
+		for (p = unctrl(*l++); j > 0 && *p; j--) {
+			/* can't label if not already framed */
+			if (*win & WWM_GLS) {
+				p++;
+				buf++;
+				ns++;
+				win++;
+				fmap++;
+			} else if (*win & WWM_COV) {
+				buf++->c_w = mode << WWC_MSHIFT | *p++;
+				*fmap++ |= WWF_LABEL;
+				ns++;
+				win++;
+			} else {
+				*touched = 1;
+				ns++->c_w = (buf++->c_w
+					= mode << WWC_MSHIFT | *p++)
+						^ *win++ << WWC_MSHIFT;
+				*fmap++ |= WWF_LABEL;
+			}
+		}
+
+	return 0;
 }