#include "TEveManager.h"
#include "TEveParamList.h"
#include "TQObject.h"

class TParamFollower {
public:
   TParamFollower()
   {
      TQObject::Connect("TEveParamList", "ParamChanged(char*)", "TParamFollower", this, "OnParamChanged(char*)");
   }
   virtual ~TParamFollower()
   {
      TQObject::Disconnect("TParamFollower", "ParamChanged(char*)", this, "OnParamChanged(char*)");
   }

   void OnParamChanged(const char *parameter)
   {
      auto pl = dynamic_cast<TEveParamList *>(reinterpret_cast<TQObject *>(gTQSender));

      printf("Change in param-list '%s', parameter '%s'.\n", pl->GetElementName(), parameter);
   }

   ClassDef(TParamFollower, 0);
};


   void paramlist()
{
   TEveManager::Create();

   TEveParamList *x = nullptr;

   x = new TEveParamList("Top config");
   gEve->AddToListTree(x, false);

   x->AddParameter(TEveParamList::FloatConfig_t("Pepe", 20, 0, 110));
   x->AddParameter(TEveParamList::IntConfig_t("Dima", 100, 0, 110));
   x->AddParameter(TEveParamList::BoolConfig_t("Chris", true));

   x = new TEveParamList("Another config");
   gEve->AddToListTree(x, false);

   x->AddParameter(TEveParamList::FloatConfig_t("MagneticField", 4, -4, 4));
   x->AddParameter(TEveParamList::FloatConfig_t("Temperature", 16, -20, 40));

   new TParamFollower;
}