CValueObject virtual method toIcon, reprsenting the object as icon where applicable.

Currently used for status messages (severity), will be used for CAtcStation and others as well.

src/blackmisc/statusmessage.h

@@ -114,6 +114,9 @@ namespace BlackMisc
         //! \brief Type as string
         const QString &getTypeAsString() const;
 
+        //! \brief representing icon
+        virtual const QPixmap &toIcon() const override { return CStatusMessage::convertToIcon(*this); }
+
         //! \brief Type as string
         const QString &getSeverityAsString() const;
 
@@ -159,6 +162,9 @@ namespace BlackMisc
          */
         static CStatusMessage getInfoMessage(const QString &message);
 
+        //! \representing icon
+        static const QPixmap &convertToIcon(const CStatusMessage &statusMessage);
+
     protected:
         /*!
          * \brief Marshall to DBus