From b874bdfd402a94428c8f5fe7ef2180146069120a Mon Sep 17 00:00:00 2001
From: Jean-Marc Lasgouttes <lasgouttes@lyx.org>
Date: Wed, 6 Jul 2016 11:32:54 +0200
Subject: [PATCH] Skip all drawing with NoScreenUpdate strategy

It seems that it was needed in 0b0c27ef, but nowadays the metrics are
not touched when we set this strategy.
---
 src/BufferView.cpp | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/BufferView.cpp b/src/BufferView.cpp
index f02cb66686..cff66ba5aa 100644
--- a/src/BufferView.cpp
+++ b/src/BufferView.cpp
@@ -3079,12 +3079,8 @@ void BufferView::draw(frontend::Painter & pain)
 	switch (d->update_strategy_) {
 
 	case NoScreenUpdate:
-		// If no screen painting is actually needed, only some the different
-		// coordinates of insets and paragraphs needs to be updated.
 		LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
-		pi.full_repaint = true;
-		pi.pain.setDrawingEnabled(false);
-		tm.draw(pi, 0, y);
+		// nothing to do
 		break;
 
 	case SingleParUpdate: