Index: sources/main.h
===================================================================
diff -u -r4fab8841b1040c8eaa406713ff9bdc8c65b7b6ac -r1aa53e9869f4c27d53dd9052271ca38befbe22e9
--- sources/main.h	(.../main.h)	(revision 4fab8841b1040c8eaa406713ff9bdc8c65b7b6ac)
+++ sources/main.h	(.../main.h)	(revision 1aa53e9869f4c27d53dd9052271ca38befbe22e9)
@@ -127,7 +127,23 @@
         PROPERTY_BASE( vTYPE , vVARIABLE , vDEFVALUE , Triggered)       \
         TRIGGER_SLOT(  vTYPE , vVARIABLE)
 //--------------------------------------------------------------------------------//
+#define CONSTANT(      vTYPE , vVARIABLE , vDEFVALUE            )       \
+    /*! \brief   Qt Constant Property declaration
+        \details The Qt Property definition by Q_PROPERTY documentation.
+    */\
+    Q_PROPERTY(     vTYPE   vVARIABLE                                   \
+                     READ   vVARIABLE                                   \
+                     CONSTANT)                                          \
+    protected:                                                          \
+        /*! \brief   Property getter
+            \details The property getter which reads the private variable
+            \return  current value
+        */\
+        vTYPE       vVARIABLE () const {                                \
+          return    vDEFVALUE ;                                         \
+        }
 //--------------------------------------------------------------------------------//
+//--------------------------------------------------------------------------------//
 #define ACTION_VIEW_CONNECTION(vTYPE)                                   \
     connect(&_GuiController, SIGNAL(didActionReceive(const vTYPE &)),   \
                        this,   SLOT( onActionReceive(const vTYPE &)));