add signal prototypes

src/application/xqmainmodel.h

@@ -35,6 +35,12 @@ public:
   XQItem* addProjectItem( XQNodePtr contentNode );
   void    addSectionItem( const XQModelSection& section, XQItem* projectItem );
 
+
+//public slots:
+
+  void onItemChanged(XQItem& item ) override;
+
+
 protected:
 
   void initContextMenu() override;