DDEve/src/DD4hepMenu.cpp

0001 //==========================================================================
0002 //  AIDA Detector description implementation
0003 //--------------------------------------------------------------------------
0004 // Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
0005 // All rights reserved.
0006 //
0007 // For the licensing terms see $DD4hepINSTALL/LICENSE.
0008 // For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
0009 //
0010 // Author     : M.Frank
0011 //
0012 //==========================================================================
0013
0014 // Framework include files
0015 #include <DD4hep/Plugins.h>
0016 #include <DD4hep/Printout.h>
0017 #include <DD4hep/Primitives.h>
0018 #include <DD4hep/InstanceCount.h>
0019
0020 #include <DDEve/View.h>
0021 #include <DDEve/DD4hepMenu.h>
0022 #include <DDEve/PopupMenu.h>
0023 #include <DDEve/EventControl.h>
0024
0025 // ROOT include files
0026 #include <TEveBrowser.h>
0027 #include <TEveManager.h>
0028 #include <TEveElement.h>
0029 #include <TEveWindow.h>
0030 #include <TEveViewer.h>
0031 #include <TGLViewer.h>
0032 #include <TGClient.h>
0033 #include <TSystem.h>
0034
0035 // Forward declarations
0036 class TEveWindowSlot;
0037
0038 using namespace dd4hep;
0039
0040 ClassImp(DD4hepMenu)
0041
0042 /// Initializing constructor
0043 DD4hepMenu::DD4hepMenu(Display* display)
0044 : PopupMenu(display->client().GetRoot()), m_display(display), m_evtCtrl(0)
0045 {
0046   InstanceCount::increment(this);
0047 }
0048
0049 /// Default destructor
0050 DD4hepMenu::~DD4hepMenu()  {
0051   detail::deletePtr(m_evtCtrl);
0052   InstanceCount::decrement(this);
0053 }
0054
0055 /// Add the menu to the menu bar
0056 void DD4hepMenu::Build(TGMenuBar* menubar, int hints)    {
0057   int id;
0058   PopupMenu& pm = *this;
0059   pm.AddEntry("&Load XML",          this, &DD4hepMenu::OnLoadXML);
0060   //Not for now: pm.AddEntry("&Load ROOT Geometry",this, &DD4hepMenu::OnLoadRootGeometry);
0061   id = pm.AddEntry("&Show Event I/O",    this, &DD4hepMenu::OnCreateEventIO);
0062   pm.menu().DisableEntry(id);
0063   id = pm.AddEntry("&Open Event Data",   this, &DD4hepMenu::OnOpenEventData);
0064   pm.menu().DisableEntry(id);
0065   id = pm.AddEntry("&Next Event",        this, &DD4hepMenu::OnNextEvent);
0066   pm.menu().DisableEntry(id);
0067   id = pm.AddEntry("&Previous Event",    this, &DD4hepMenu::OnPreviousEvent);
0068   pm.menu().DisableEntry(id);
0069   pm.AddEntry("&Exit",              this, &DD4hepMenu::OnExit);
0070   menubar->AddPopup("&dd4hep",*this, new TGLayoutHints(hints, 0, 4, 0, 0));
0071 }
0072
0073 /// Callback when the geometry was loaded
0074 void DD4hepMenu::OnGeometryLoaded()   {
0075   TGPopupMenu& pm = menu();
0076   pm.DisableEntry(pm.GetEntry("Load XML")->GetEntryId());
0077   pm.EnableEntry(pm.GetEntry("Show Event I/O")->GetEntryId());
0078   pm.EnableEntry(pm.GetEntry("Open Event Data")->GetEntryId());
0079   pm.DisableEntry(pm.GetEntry("Next Event")->GetEntryId());
0080   pm.DisableEntry(pm.GetEntry("Previous Event")->GetEntryId());
0081 }
0082
0083 /// Callback when loading the configuration
0084 void DD4hepMenu::OnLoadXML(TGMenuEntry* /* entry */, void* /* ptr */)  {
0085   std::string fname = m_display->OpenXmlFileDialog(".");
0086   if ( !fname.empty() )  {
0087     m_display->LoadXML(fname.c_str());
0088     OnGeometryLoaded();
0089   }
0090 }
0091
0092 /// Callback when loading the configuration
0093 void DD4hepMenu::OnLoadRootGeometry(TGMenuEntry* /* entry */, void* /* ptr */)  {
0094   std::string fname = m_display->OpenEventFileDialog(".");
0095   if ( !fname.empty() )  {
0096     m_display->LoadGeometryRoot(fname.c_str());
0097   }
0098 }
0099
0100 /// Callback to show the event I/O panel
0101 void DD4hepMenu::OnCreateEventIO(TGMenuEntry* /* entry */, void* /* ptr */)  {
0102   if ( 0 == m_evtCtrl )  {
0103     TEveBrowser* browser = m_display->manager().GetBrowser();
0104     browser->StartEmbedding(TRootBrowser::kLeft);
0105     m_evtCtrl = new EventControl(m_display,600,450);
0106     m_evtCtrl->Build();
0107     browser->SetTabTitle("Evt I/O", 0);
0108     browser->StopEmbedding();
0109     menu().DisableEntry(menu().GetEntry("Show Event I/O")->GetEntryId());
0110   }
0111 }
0112
0113 /// Callback when loading a new event data file
0114 void DD4hepMenu::OnOpenEventData(TGMenuEntry* /* entry */, void* /* ptr */)  {
0115   if ( 0 == m_evtCtrl )  {
0116     OnCreateEventIO(0,0);
0117   }
0118   if ( m_evtCtrl->Open() )   {
0119     TGPopupMenu& pm = menu();
0120     pm.EnableEntry(pm.GetEntry("Open Event Data")->GetEntryId());
0121     pm.EnableEntry(pm.GetEntry("Next Event")->GetEntryId());
0122     pm.EnableEntry(pm.GetEntry("Previous Event")->GetEntryId());
0123   }
0124 }
0125
0126 /// Callback when loading the next event
0127 void DD4hepMenu::OnNextEvent(TGMenuEntry* /* entry */, void* /* ptr */)  {
0128   m_display->eventHandler().NextEvent();
0129 }
0130
0131 /// Callback when loading the previous event
0132 void DD4hepMenu::OnPreviousEvent(TGMenuEntry* /* entry */, void* /* ptr */)  {
0133   m_display->eventHandler().PreviousEvent();
0134 }
0135
0136 /// Callback when exiting the display
0137 void DD4hepMenu::OnExit(TGMenuEntry* /* entry */, void* /* ptr */)    {
0138   delete m_display;
0139   printout(INFO,"DDEve","+++ The life of this display instance ended.... good bye!");
0140   gSystem->Exit(0,kTRUE);
0141 }