Index: sources/main.h
===================================================================
diff -u -rc71946746586d5a4061ad866ce7dbbaf74b9798a -r7077e38c74db9cccb5496ffefcf8936c0916de76
--- sources/main.h	(.../main.h)	(revision c71946746586d5a4061ad866ce7dbbaf74b9798a)
+++ sources/main.h	(.../main.h)	(revision 7077e38c74db9cccb5496ffefcf8936c0916de76)
@@ -30,7 +30,7 @@
 // TODO : A singleton parent class needs to be created
 // to taking care of the Threading, init, quit, and so
 
-// TODO :
+// TODO : Threading
 // - We still need to work on threading on other classes
 // - We need to have a singleton parent class
 // - Some code has been added to debug can interface (We still have swap frames)
@@ -49,6 +49,7 @@
         static vCLASS _instance;                    \
         return        _instance;                    \
     }                                               \
+private:
 //--------------------------------------------------------------------------------//
 //--------------------------------------------------------------------------------//
 extern int        gFakeInterval;
@@ -174,7 +175,39 @@
           return    vDEFVALUE ;                                         \
         }
 //--------------------------------------------------------------------------------//
+#define NOTIFIER( vVARIABLE )                                           \
+    Q_SIGNALS:                                                          \
+        /*! \brief   Property notify signal
+            \details The property notify signal (...Changed)
+                     which will be emitted by property setter
+                     - if only the value has been changed                               \n
+                     - or it's the first time property is set.                          \n
+            \return  current value
+        */\
+        void vVARIABLE##Notified( const bool & v##vVARIABLE );          \
+    private:                                                            \
+        bool  _##vVARIABLE = false;                                     \
+    protected:                                                          \
+        /*! \brief   Property getter
+            \details The property getter which reads the private variable
+            \return  current value
+        */\
+        bool        vVARIABLE () const {                                \
+            return _##vVARIABLE ;                                       \
+        }                                                               \
+        /*! \brief   Notifier setter
+            \details The notifier setter which update the private variable              \n
+                     emits the notifier (is...) signal on update.                       \n
+                     the notify signal  (is...) passes the new value as its parameter.  \n
+            \param   new value
+        */\
+        void vVARIABLE ( const bool & v##vVARIABLE                  ) { \
+            DEBUG_PROPERTY_CHANGED(vVARIABLE, v)                        \
+            _##vVARIABLE  = v##vVARIABLE;                               \
+            emit vVARIABLE##Notified( _##vVARIABLE );                   \
+        }
 //--------------------------------------------------------------------------------//
+//--------------------------------------------------------------------------------//
 #define ACTION_VIEW_CONNECTION(vTYPE)                                   \
     connect(&_GuiController, SIGNAL(didActionReceive(const vTYPE &)),   \
                        this,   SLOT( onActionReceive(const vTYPE &)));