From cf624f92bd3da7305afc70c6e440dab81fdf19f4 Mon Sep 17 00:00:00 2001
From: David Schulz <david.schulz@qt.io>
Date: Thu, 5 Oct 2017 09:38:45 +0200
Subject: [PATCH] TextEditor: Optimize line annotation painting

Paint an annotation only if the event rectangle
contains the block for that specific annotation

Change-Id: I5f992f916da25268dd2c9e6b4703701934c8551d
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
---
 src/plugins/texteditor/texteditor.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/plugins/texteditor/texteditor.cpp b/src/plugins/texteditor/texteditor.cpp
index 0fe63bbc95e..1a2ed84d6ce 100644
--- a/src/plugins/texteditor/texteditor.cpp
+++ b/src/plugins/texteditor/texteditor.cpp
@@ -4408,6 +4408,8 @@ void TextEditorWidget::paintEvent(QPaintEvent *e)
                  || d->m_blockSelection.positionColumn == d->m_blockSelection.anchorColumn)
                     && blockSelectionCursorRect.isValid())
                 painter.fillRect(blockSelectionCursorRect, palette().text());
+
+            d->drawLineAnnotation(painter, block, lineX < viewportRect.width() ? lineX : 0);
         }
 
         offset.ry() += r.height();
@@ -4554,7 +4556,6 @@ void TextEditorWidget::paintEvent(QPaintEvent *e)
                 painter.restore();
             }
         }
-        d->drawLineAnnotation(painter, block, lineX < viewportRect.width() ? lineX : 0);
 
         block = nextVisibleBlock;
         top = bottom;