[plasma/plasma-workspace/Plasma/6.7] startkde: startkde: Update LookAndFeelPackage in kdeglobals

Git commit 34ff9079cdc4dbedd8a3d0fce82402dfc66f17ff by Vlad Zahorodnii.
Committed on 17/07/2026 at 11:11.
Pushed by vladz into branch 'Plasma/6.7'.

startkde: Update LookAndFeelPackage in kdeglobals

This prevents the autoswitching module from potentially applying the new
global theme again.


(cherry picked from commit 8932b46e20506f0b5aada06ef23ac22689d67504)

Co-authored-by: Vlad Zahorodnii <[email protected]>

M  +1    -0    startkde/CMakeLists.txt
M  +9    -4    startkde/startplasma.cpp

https://invent.kde.org/plasma/plasma-workspace/-/commit/34ff9079cdc4dbedd8a3d0fce82402dfc66f17ff

diff --git a/startkde/CMakeLists.txt b/startkde/CMakeLists.txt
index 74d60ced34..0e15eebcb7 100644
--- a/startkde/CMakeLists.txt
+++ b/startkde/CMakeLists.txt
@@ -30,6 +30,7 @@ target_link_libraries(startplasma PUBLIC
 kconfig_target_kcfg_file(startplasma
     FILE ${CMAKE_SOURCE_DIR}/kcms/lookandfeel/lookandfeelsettings.kcfg
     CLASS_NAME LookAndFeelSettings
+    MUTATORS
 )
 
 add_executable(startplasma-wayland ${START_PLASMA_COMMON_SRCS} startplasma-wayland.cpp)
diff --git a/startkde/startplasma.cpp b/startkde/startplasma.cpp
index 75837e93ee..cc596c8f52 100644
--- a/startkde/startplasma.cpp
+++ b/startkde/startplasma.cpp
@@ -381,10 +381,8 @@ static std::optional<std::pair<QString, KLookAndFeelManager::Contents>> dayNight
     return std::make_pair(lookAndFeelName, KLookAndFeelManager::AppearanceSettings);
 }
 
-static std::pair<QString, KLookAndFeelManager::Contents> determineLookAndFeel()
+static std::pair<QString, KLookAndFeelManager::Contents> determineLookAndFeel(const LookAndFeelSettings &settings)
 {
-    const LookAndFeelSettings settings;
-
     if (settings.automaticLookAndFeel()) {
         if (const auto lookAndFeel = dayNightLookAndFeel(settings)) {
             return *lookAndFeel;
@@ -414,8 +412,15 @@ void setupPlasmaEnvironment()
     QDir().mkpath(extraConfigDir);
     qputenv("XDG_CONFIG_DIRS", QByteArray(QFile::encodeName(extraConfigDir) + ':' + currentConfigDirs));
 
-    const auto &[lookAndFeelName, lookAndFeelContents] = determineLookAndFeel();
+    LookAndFeelSettings lookAndFeelSettings;
+    const auto &[lookAndFeelName, lookAndFeelContents] = determineLookAndFeel(lookAndFeelSettings);
     qCDebug(PLASMA_STARTUP) << "Applying" << lookAndFeelName << "global theme";
+
+    if (lookAndFeelSettings.lookAndFeelPackage() != lookAndFeelName) {
+        lookAndFeelSettings.setLookAndFeelPackage(lookAndFeelName);
+        lookAndFeelSettings.save();
+    }
+
     QFile activeLnf(extraConfigDir + QLatin1String("/package"));
     activeLnf.open(QIODevice::ReadOnly);
     if (activeLnf.readLine() != lookAndFeelName.toUtf8()) {