From 336a9e7da1cbdb497bde8823d9c5c92ef27a8d0e Mon Sep 17 00:00:00 2001
From: ddbb07 <31517774-ddbb07@users.noreply.gitlab.com>
Date: Sun, 16 Nov 2025 21:54:36 +0100
Subject: [PATCH] Explicitly check if inputString is empty or only contains
 spaces in generatePatternArray to improve performance

---
 apps/openmw/mwgui/settingswindow.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/apps/openmw/mwgui/settingswindow.cpp b/apps/openmw/mwgui/settingswindow.cpp
index 2656d43d62..7ce7c0db8a 100644
--- a/apps/openmw/mwgui/settingswindow.cpp
+++ b/apps/openmw/mwgui/settingswindow.cpp
@@ -945,6 +945,8 @@ namespace MWGui
     {
         std::vector<std::string> generatePatternArray(std::string inputString)
         {
+            if (inputString.empty() || inputString.find_first_not_of(" ") == std::string::npos)
+                return std::vector<std::string>();
             Misc::StringUtils::lowerCaseInPlace(inputString);
             std::istringstream stringStream(inputString);
             return { std::istream_iterator<std::string>(stringStream), std::istream_iterator<std::string>() };