From 9a921d78e87452962043721669f3027f7566eef4 Mon Sep 17 00:00:00 2001
From: Marcel Krems <m.krems@software-vision.eu>
Date: Sun, 5 Apr 2020 16:47:31 +0200
Subject: Fix CaseSensitivity handling for QRegularExpression in
 QSortFilterProxyModel

setFilterRegExp retains the caseSensitivity() while setFilterRegularExpression did not.
Change setFilterRegularExpression to also retain the case sensitivity.

Fixes: QTBUG-83313
Pick-to: 5.15
Change-Id: I46f494d320aee99d50612f01f63558c693276989
Reviewed-by: Samuel Gaist <samuel.gaist@idiap.ch>
Reviewed-by: David Faure <david.faure@kdab.com>
---
 src/corelib/itemmodels/qsortfilterproxymodel.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/corelib/itemmodels')

diff --git a/src/corelib/itemmodels/qsortfilterproxymodel.cpp b/src/corelib/itemmodels/qsortfilterproxymodel.cpp
index fabd11f0da..f748a95160 100644
--- a/src/corelib/itemmodels/qsortfilterproxymodel.cpp
+++ b/src/corelib/itemmodels/qsortfilterproxymodel.cpp
@@ -2653,7 +2653,8 @@ void QSortFilterProxyModel::setFilterRegularExpression(const QString &pattern)
 {
     Q_D(QSortFilterProxyModel);
     d->filter_about_to_be_changed();
-    QRegularExpression rx(pattern);
+    QRegularExpression rx(pattern,
+                          d->filter_data.patternOptions() & QRegularExpression::CaseInsensitiveOption);
     d->filter_data.setPattern(pattern);
     d->filter_changed(QSortFilterProxyModelPrivate::Direction::Rows);
 }
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