change the way the singleton is created.

src/libsnore/snore.cpp

@@ -48,13 +48,8 @@ SnoreCore::SnoreCore(QObject *parent):
 
 SnoreCore &SnoreCore::instance()
 {
-    static SnoreCore *instance = nullptr;
-    if (!instance) {
-        SnoreCorePrivate::loadTranslator();
-        SnoreCorePrivate::registerMetaTypes();
-        instance = new SnoreCore(qApp);
-    }
-    return *instance;
+    static SnoreCore instance(qApp);
+    return instance;
 }
 
 SnoreCore::~SnoreCore()

src/libsnore/snore_p.cpp

@@ -44,6 +44,8 @@ SnoreCorePrivate::SnoreCorePrivate():
     snoreDebug(SNORE_DEBUG) << "Snore local settings are located in" << normalizeKey("Test", LOCAL_SETTING);
 
     connect(qApp, SIGNAL(aboutToQuit()), this, SLOT(slotAboutToQuit()));
+
+    m_defaultApp = Application("SnoreNotify", Icon(":/root/snore.png"));
 }
 
 SnoreCorePrivate::~SnoreCorePrivate()
@@ -141,7 +143,6 @@ void SnoreCorePrivate::init()
     Q_Q(SnoreCore);
     setDefaultValueIntern("Timeout", 10);
     setDefaultValueIntern("Silent", false);
-    q->setDefaultApplication(Application("SnoreNotify", Icon(":/root/snore.png")));
 }
 
 void SnoreCorePrivate::setDefaultValueIntern(const QString &key, const QVariant &value)
@@ -192,14 +193,6 @@ void SnoreCorePrivate::setLocalSttingsPrefix(const QString &prefix)
     syncSettings();
 }
 
-void SnoreCorePrivate::registerMetaTypes()
-{
-    qRegisterMetaType<Notification>();
-    qRegisterMetaType<Application>();
-    qRegisterMetaType<SnorePlugin::PluginTypes>();
-    qRegisterMetaTypeStreamOperators<SnorePlugin::PluginTypes>();
-}
-
 QString SnoreCorePrivate::tempPath()
 {
     static QTemporaryDir dir;
@@ -233,7 +226,7 @@ void SnoreCorePrivate::slotAboutToQuit()
     }
 }
 
-void SnoreCorePrivate::loadTranslator()
+static void loadTranslator()
 {
     auto installTranslator = [](const QString & locale) {
         snoreDebug(SNORE_DEBUG) << locale;
@@ -260,3 +253,20 @@ void SnoreCorePrivate::loadTranslator()
         }
     }
 }
+
+static void registerMetaTypes()
+{
+    qRegisterMetaType<Notification>();
+    qRegisterMetaType<Application>();
+    qRegisterMetaType<SnorePlugin::PluginTypes>();
+    qRegisterMetaTypeStreamOperators<SnorePlugin::PluginTypes>();
+}
+
+static void snoreStartup(){
+    loadTranslator();
+    registerMetaTypes();
+}
+
+Q_COREAPP_STARTUP_FUNCTION(snoreStartup)
+
+

src/libsnore/snore_p.h

@@ -35,16 +35,12 @@ class SNORE_EXPORT SnoreCorePrivate : public QObject
     Q_OBJECT
 
 public:
-    static void registerMetaTypes();
-
     /**
      * @brief tempPath
      * @return the path of a QTemporaryDir, this location is used to store images.
      */
     static QString tempPath();
 
-    static void loadTranslator();
-
 public:
     static SnoreCorePrivate *instance();
     ~SnoreCorePrivate();