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/data/refman/pasoursint/CMSSW_5_3_3/src/Fireworks/FWInterface/src/FWFFHelper.cc

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00001 #include "Fireworks/FWInterface/interface/FWFFHelper.h"
00002 #include "FWCore/ParameterSet/interface/ParameterSet.h"
00003 #include "FWCore/ServiceRegistry/interface/ActivityRegistry.h"
00004 
00005 #include "TROOT.h"
00006 #include "TSystem.h"
00007 #define private public
00008 #include "TRint.h"
00009 #include "TEveManager.h"
00010 #include "TEveEventManager.h"
00011 #include "TEveTrackPropagator.h"
00012 #include "TGLWidget.h"
00013 #include "TEveBrowser.h"
00014 
00015 #include <cassert>
00016 #include <iostream>
00017 
00018 class FWFFTRint : public TRint
00019 {
00020 public:
00021    FWFFTRint(const char *appClassName, Int_t *argc, char **argv, bool rootPrompt)
00022     : TRint(appClassName, argc, argv, 0, 0, !rootPrompt),
00023       m_rootPrompt(rootPrompt)
00024       {
00025          if (rootPrompt)
00026             return;
00027             
00028          SetPrompt("");
00029          fInputHandler->Remove();
00030       }
00031 
00032    Bool_t HandleTermInput()
00033       {
00034          if (m_rootPrompt)
00035             return TRint::HandleTermInput();
00036          return true;
00037       }
00038 private:
00039    bool  m_rootPrompt;
00040 };
00041 
00042 FWFFHelper::FWFFHelper(const edm::ParameterSet &ps, const edm::ActivityRegistry &)
00043    : m_Rint(0)
00044 {
00045    printf ("CMSSW is starting... You should always have a 2 minutes walk every 45 minutes anyways.\n");
00046    const char* dummyArgvArray[] = {"cmsRun"};
00047    char**      dummyArgv = const_cast<char**>(dummyArgvArray);
00048    int         dummyArgc = 1;
00049 
00050    m_Rint = new FWFFTRint("App", &dummyArgc, dummyArgv, ps.getUntrackedParameter<bool>("rootPrompt"));
00051    assert(TApplication::GetApplications()->GetSize());
00052 
00053    gROOT->SetBatch(kFALSE);
00054    TApplication::NeedGraphicsLibs();
00055  
00056    try {
00057       TGLWidget* w = TGLWidget::Create(gClient->GetDefaultRoot(), kTRUE, kTRUE, 0, 10, 10);
00058       delete w;
00059    }
00060    catch (std::exception& iException) {
00061       std::cerr <<"Insufficient GL support. " << iException.what() << std::endl;
00062       throw;
00063    }
00064    
00065 
00066    TEveManager::Create(kFALSE, "FIV");
00067 }