From d6c5cf593408c0ca8a1a2a036fc59f6802ef502b Mon Sep 17 00:00:00 2001
From: David Schulz <david.schulz@qt.io>
Date: Fri, 17 Mar 2023 14:13:01 +0100
Subject: [PATCH] TextEditor: only paint selections in the first block of a
 suggestion

Fixes highlighting of matching parentheses or errors of the code model
in every line of the suggestion.

Change-Id: I223cb567ee8ce95badd91c4819417310a0e28cff
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>
---
 src/plugins/texteditor/texteditor.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/plugins/texteditor/texteditor.cpp b/src/plugins/texteditor/texteditor.cpp
index 6cc8084bdd0..6d3593aab7b 100644
--- a/src/plugins/texteditor/texteditor.cpp
+++ b/src/plugins/texteditor/texteditor.cpp
@@ -4994,7 +4994,13 @@ void TextEditorWidget::paintBlock(QPainter *painter,
         QPointF replacementOffset = offset;
         replacementOffset.rx() += document()->documentMargin();
         while (replacementBlock.isValid()) {
-            replacementBlock.layout()->draw(painter, replacementOffset, selections, clipRect);
+            const QVector<QTextLayout::FormatRange> blockSelections
+                = replacementBlock.blockNumber() == 0 ? selections
+                                                      : QVector<QTextLayout::FormatRange>{};
+            replacementBlock.layout()->draw(painter,
+                                            replacementOffset,
+                                            blockSelections,
+                                            clipRect);
             replacementOffset.ry()
                 += replacement->documentLayout()->blockBoundingRect(replacementBlock).height();
             replacementBlock = replacementBlock.next();