From c54a2aedbcdcb05742e81c0ca1c74907c379ae24 Mon Sep 17 00:00:00 2001
From: David Schulz <david.schulz@qt.io>
Date: Thu, 22 Aug 2019 13:08:47 +0200
Subject: [PATCH] TextEditor: skip painting refactor markers of invisible
 blocks

Task-number: QTCREATORBUG-21032
Change-Id: I43a91f6c4237bb923c09391bbc436bd617b4512d
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
---
 src/plugins/texteditor/refactoroverlay.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/texteditor/refactoroverlay.cpp b/src/plugins/texteditor/refactoroverlay.cpp
index 33a18f818fd..b0747d7874d 100644
--- a/src/plugins/texteditor/refactoroverlay.cpp
+++ b/src/plugins/texteditor/refactoroverlay.cpp
@@ -67,6 +67,9 @@ RefactorMarker RefactorOverlay::markerAt(const QPoint &pos) const
 
 void RefactorOverlay::paintMarker(const RefactorMarker& marker, QPainter *painter, const QRect &clip)
 {
+    if (!marker.cursor.block().isVisible())
+        return; // block containing marker not visible
+
     const QPointF offset = m_editor->contentOffset();
     const QRectF geometry = m_editor->blockBoundingGeometry(marker.cursor.block()).translated(offset);