[LyX/2.5.x] Sort colors locale-aware

[Juergen Spitzmueller]

commit 2407ec9c7329b8509c095d7e1aa5bc4a6be40ddf
Author: Juergen Spitzmueller <spitz at lyx.org>
Date:   Thu May 14 15:59:08 2026 +0200

    Sort colors locale-aware
    
    Otherwise sorting is wrong outside English
    
    (cherry picked from commit b5f346da1a68a89bf9b3a2615222ee8d7a503ece)
---
 src/frontends/qt/qt_helpers.cpp | 3 ++-
 status.25x                      | 2 ++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/frontends/qt/qt_helpers.cpp b/src/frontends/qt/qt_helpers.cpp
index 14f70f3f31..f84d2ec5a9 100644
--- a/src/frontends/qt/qt_helpers.cpp
+++ b/src/frontends/qt/qt_helpers.cpp
@@ -231,7 +231,8 @@ bool SortLocaleAware(QString const & lhs, QString const & rhs)
 
 bool ColorSorter(ColorCode lhs, ColorCode rhs)
 {
-	return compare_no_case(lcolor.getGUIName(lhs), lcolor.getGUIName(rhs)) < 0;
+	return QString::localeAwareCompare(toqstr(lcolor.getGUIName(lhs)),
+					   toqstr(lcolor.getGUIName(rhs))) < 0;
 }
 
 
diff --git a/status.25x b/status.25x
index 78d74aebcf..9d5ffaa4e4 100644
--- a/status.25x
+++ b/status.25x
@@ -80,6 +80,8 @@ What's new
 
 - Fix on-screen representation of "pagewidth" length (bug 13309).
 
+- Fix sorting of colors in preferences.
+
 
 * INTERNALS