From: Jean-Marc Lasgouttes <lasgouttes@lyx.org>
Date: Thu, 7 Jul 2016 12:21:55 +0000 (+0200)
Subject: Revert "Skip all drawing with NoScreenUpdate strategy"
X-Git-Tag: 2.3.0alpha1~1316
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=5a3401c66eeb5f73599a4882bbc313cd9efee2a0;p=features.git

Revert "Skip all drawing with NoScreenUpdate strategy"

This reverts commit b874bdfd402a94428c8f5fe7ef2180146069120a.

It was commited by mistake and actually does not seem to improve
performance.
---

diff --git a/src/BufferView.cpp b/src/BufferView.cpp
index cff66ba5aa..f02cb66686 100644
--- a/src/BufferView.cpp
+++ b/src/BufferView.cpp
@@ -3079,8 +3079,12 @@ 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");
-		// nothing to do
+		pi.full_repaint = true;
+		pi.pain.setDrawingEnabled(false);
+		tm.draw(pi, 0, y);
 		break;
 
 	case SingleParUpdate: