commit 77c5c852e499362b4fdf7a636e541bab6d496130
from: rsc <devnull@localhost>
date: Thu Jan 12 04:44:46 2006 UTC

avoid unnecessary winresize, which flush text cache

commit - cee7a6ab10235f764435f394d98b9c1e33b4eeb4
commit + 77c5c852e499362b4fdf7a636e541bab6d496130
blob - 36aa998594ead52699477dee89d781b9d315edaf
blob + 762fb9d04bac9500d1c08732c1c82d50a14b4d92
--- src/cmd/acme/wind.c
+++ src/cmd/acme/wind.c
@@ -387,7 +387,7 @@ wincleartag(Window *w)
 void
 winsettag1(Window *w)
 {
-	int bar, dirty, i, j, k, n, ntagname;
+	int bar, dirty, i, j, k, n, ntagname, resize;
 	Rune *new, *old, *r, *tagname;
 	Image *b;
 	uint q0, q1;
@@ -482,7 +482,9 @@ winsettag1(Window *w)
 	assert(i==runestrlen(new));
 	
 	/* replace tag if the new one is different */
+	resize = 0;
 	if(runeeq(new, i, old, k) == FALSE){
+		resize = 1;
 		n = k;
 		if(n > i)
 			n = i;
@@ -521,7 +523,8 @@ winsettag1(Window *w)
 	br.max.x = br.min.x + Dx(b->r);
 	br.max.y = br.min.y + Dy(b->r);
 	draw(screen, br, b, nil, b->r.min);
-	winresize(w, w->r, TRUE, TRUE);
+	if(resize)
+		winresize(w, w->r, TRUE, TRUE);
 }
 
 void