XF upgrade

src/mdw/button/ButtonEventsHandler.h

@@ -31,16 +31,9 @@ public:
 
 protected:
 	ButtonEventsHandler();
-	XFEventStatus processEvent() override;
+	void startButtonSM(const XFEvent* ev);
 
-	typedef enum {
-		initial,
-		run
-	} state ;
-
-	state currentState_;
-	state oldState_;
-	bool changeState_;
+	XFState stRun;
 
 	interface::ButtonEventsHandlerObserver* observer_[MAX_OBSERVER];
 	ButtonStateSm buttonStateSm_[4];