Index: sources/maintimer.h
===================================================================
diff -u -rfee7fabf49befb065c89248c19e15efc9ca194e4 -rfeb3423b373dc2a2c4267ef9fcb4d924d738423d
--- sources/maintimer.h	(.../maintimer.h)	(revision fee7fabf49befb065c89248c19e15efc9ca194e4)
+++ sources/maintimer.h	(.../maintimer.h)	(revision feb3423b373dc2a2c4267ef9fcb4d924d738423d)
@@ -22,9 +22,6 @@
 // Define
 #define _MainTimer MainTimer::I()
 
-// Forward declaration
-class QTimer;
-
 /*!
  * \brief The MainTimer class
  * \details This class is going to be used for subjects which want to keep track of time to a second resolution.
@@ -33,17 +30,19 @@
 {
     Q_OBJECT
 
-    static const int _timeout = 1000; //ms
-    QTimer *_timer = nullptr;
+    static const int _interval = 1000; //ms
 
+// Singleton
 SINGLETON_DECL(MainTimer)
 public:
-    void init();
+    bool init();
     void quit();
 
+private:
+
 signals:
     void didTimeout();
 
-private slots:
-    void onTimeout();
+protected:
+      void timerEvent(QTimerEvent *) override;
 };