Do not require the user to cast pointers to Long_t.

core/base/inc/TVirtualQConnection.h

@@ -28,7 +28,7 @@ protected:
    virtual void SetArg(const char *) = 0;
 
    // We should 'widen' all types to one of the SetArg overloads.
-   template <class T, class = typename std::enable_if<std::is_integral<T>::value>::type>
+   template <class T, class = typename std::enable_if<std::is_scalar<T>::value>::type>
    void SetArg(const T& val)
    {
       if (std::is_signed<T>::value)

gui/gui/inc/TGShutter.h

@@ -113,7 +113,7 @@ public:
    virtual void   SavePrimitive(std::ostream &out, Option_t *option = "");
 
    virtual Bool_t ProcessMessage(Long_t cmd, Long_t parm1, Long_t parm2);
-   virtual void   Selected(TGShutterItem *item) { Emit(" Selected(TGShutterItem*)", (Long_t)item); } //*SIGNAL*
+   virtual void   Selected(TGShutterItem *item) { Emit(" Selected(TGShutterItem*)", item); } //*SIGNAL*
 
    ClassDef(TGShutter,0)  // Shutter widget
 };