commit 221a683ef22d660196c6f361358852589c7c7c8f
from: Devin J. Pohly <djpohly@djpohly.com>
date: Mon Oct 25 20:00:10 2010 UTC

get rid of artifacts in border on resize down

commit - 90a56203a074eb3cd38e988d402b932e42dffd6b
commit + 221a683ef22d660196c6f361358852589c7c7c8f
blob - 734ad0acd4bd52a30d38a989f19bc6c6241deed1
blob + 108908721d2dab133753096e02c1b4b5ebec7b5a
--- st.c
+++ st.c
@@ -1274,9 +1274,17 @@ xresize(int col, int row) {
 	if(xw.bufw > oldw)
 		XFillRectangle(xw.dis, newbuf, dc.gc, oldw, 0,
 				xw.bufw-oldw, MIN(xw.bufh, oldh));
+	else if(xw.bufw < oldw && (BORDER > 0 || xw.w > xw.bufw))
+		XClearArea(xw.dis, xw.win, BORDER+xw.bufw, BORDER,
+				xw.w-xw.bufh-BORDER, BORDER+MIN(xw.bufh, oldh),
+				False);
 	if(xw.bufh > oldh)
 		XFillRectangle(xw.dis, newbuf, dc.gc, 0, oldh,
 				xw.bufw, xw.bufh-oldh);
+	else if(xw.bufh < oldh && (BORDER > 0 || xw.h > xw.bufh))
+		XClearArea(xw.dis, xw.win, BORDER, BORDER+xw.bufh,
+				xw.w-2*BORDER, xw.h-xw.bufh-BORDER,
+				False);
 	xw.buf = newbuf;
 }