From 14ad6f3a2d9482c2a0c9ce26669f82ab3550a921 Mon Sep 17 00:00:00 2001
From: luisangelsm <luisangelsm@gmail.com>
Date: Wed, 19 Nov 2025 18:09:10 +0100
Subject: [PATCH] Do not create a new QCollator every time we compare a string

---
 common/qnaturalsorting.cpp | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/common/qnaturalsorting.cpp b/common/qnaturalsorting.cpp
index 2db6b73d..dcc64445 100644
--- a/common/qnaturalsorting.cpp
+++ b/common/qnaturalsorting.cpp
@@ -2,12 +2,25 @@
 
 #include <QCollator>
 
-int naturalCompare(const QString &s1, const QString &s2, Qt::CaseSensitivity caseSensitivity)
-{
+static QCollator collatorCI = [] {
     QCollator c;
-    c.setCaseSensitivity(caseSensitivity);
     c.setNumericMode(true);
     c.setIgnorePunctuation(false);
+    c.setCaseSensitivity(Qt::CaseInsensitive);
+    return c;
+}();
+
+static QCollator collatorCS = [] {
+    QCollator c;
+    c.setNumericMode(true);
+    c.setIgnorePunctuation(false);
+    c.setCaseSensitivity(Qt::CaseSensitive);
+    return c;
+}();
+
+int naturalCompare(const QString &s1, const QString &s2, Qt::CaseSensitivity caseSensitivity)
+{
+    QCollator &c = (caseSensitivity == Qt::CaseSensitive) ? collatorCS : collatorCI;
     return c.compare(s1, s2);
 }
 bool naturalSortLessThanCS(const QString &left, const QString &right)