doc/hackathon/selection__sigs_8C.html

#include "TEveSelection.h" // To enforce auto-loading of libEve.


class SigTestSpitter {

   TEveSelection *fSel;

   TString fPrefix;


public:

   SigTestSpitter(TEveSelection *sel, const TString &prefix) : fSel(sel), fPrefix(prefix)

   {

      fSel->Connect("SelectionAdded(TEveElement*)", "SigTestSpitter", this, "Added(TEveElement*)");

      fSel->Connect("SelectionRemoved(TEveElement*)", "SigTestSpitter", this, "Removed(TEveElement*)");

      fSel->Connect("SelectionCleared()", "SigTestSpitter", this, "Cleared()");

   }

   ~SigTestSpitter()

   {

      fSel->Disconnect("SelectionAdded(TEveElement*)", this, "Added(TEveElement*)");

      fSel->Disconnect("SelectionRemoved(TEveElement*)", this, "Removed(TEveElement*)");

      fSel->Disconnect("SelectionCleared()", this, "Cleared()");

   }

   // ----------------------------------------------------------------

   void Added(TEveElement *el)

   {

      printf("%s Added 0x%lx '%s'\n", fPrefix.Data(), (ULong_t)el, el ? el->GetElementName() : "");

   }

   void Removed(TEveElement *el)

   {

      printf("%s Removed 0x%lx '%s'\n", fPrefix.Data(), (ULong_t)el, el ? el->GetElementName() : "");

   }

   void Cleared() { printf("%s Cleared'\n", fPrefix.Data()); }

};


void selection_sigs()

{

   TEveManager::Create();


   new SigTestSpitter(gEve->GetSelection(), "Selection");

   new SigTestSpitter(gEve->GetHighlight(), "Highlight");

}

ULong_t
unsigned long ULong_t
Unsigned long integer 4 bytes (unsigned long). Size depends on architecture.
Definition RtypesCore.h:69

gEve
externTEveManager * gEve
Definition TEveManager.h:243

TEveSelection.h

TEveManager::Create
static TEveManager * Create(Bool_t map_window=kTRUE, Option_t *opt="FIV")
If global TEveManager* gEve is not set initialize it.
Definition TEveManager.cxx:886

TEveSelection
Make sure there is a SINGLE running TEveSelection for each selection type (select/highlight).
Definition TEveSelection.h:23

TQObject::Connect
Bool_t Connect(const char *signal, const char *receiver_class, void *receiver, const char *slot)
Non-static method is used to connect from the signal of this object to the receiver slot.
Definition TQObject.cxx:865

TQObject::Disconnect
Bool_t Disconnect(const char *signal=nullptr, void *receiver=nullptr, const char *slot=nullptr)
Disconnects signal of this object from slot of receiver.
Definition TQObject.cxx:1023

TString
Basic string class.
Definition TString.h:138

TString::Data
const char * Data() const
Definition TString.h:384