Launcher: ensure to clear previous settings when reloading settings

apps/launcher/maindialog.cpp

@@ -257,6 +257,8 @@ void Launcher::MainDialog::changePage(QListWidgetItem *current, QListWidgetItem
 
 bool Launcher::MainDialog::setupLauncherSettings()
 {
+    mLauncherSettings.clear();
+
     mLauncherSettings.setMultiValueEnabled(true);
 
     QString userPath = QString::fromUtf8(mCfgMgr.getUserConfigPath().string().c_str());
@@ -289,6 +291,8 @@ bool Launcher::MainDialog::setupLauncherSettings()
 
 bool Launcher::MainDialog::setupGameSettings()
 {
+    mGameSettings.clear();
+
     QString userPath = QString::fromUtf8(mCfgMgr.getUserConfigPath().string().c_str());
     QString globalPath = QString::fromUtf8(mCfgMgr.getGlobalPath().string().c_str());
 

components/config/gamesettings.cpp

@@ -454,3 +454,11 @@ QStringList Config::GameSettings::getContentList() const
     return Config::LauncherSettings::reverse(values(sContentKey));
 }
 
+void Config::GameSettings::clear()
+{
+    mSettings.clear();
+    mUserSettings.clear();
+    mDataDirs.clear();
+    mDataLocal.clear();
+}
+

components/config/gamesettings.hpp

@@ -72,6 +72,8 @@ namespace Config
         void setContentList(const QStringList& fileNames);
         QStringList getContentList() const;
 
+        void clear();
+
     private:
         Files::ConfigurationManager &mCfgMgr;
 

components/config/settingsbase.hpp

@@ -101,6 +101,11 @@ namespace Config
             return true;
         }
 
+        void clear()
+        {
+            mSettings.clear();
+        }
+
     private:
         Map mSettings;