G4OpenInventorXtExaminerViewerMessenger.cc

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#ifdef G4VIS_BUILD_OIX_DRIVER

#include "G4OpenInventorXtExaminerViewerMessenger.hh"
#include "G4OpenInventorXtExaminerViewer.hh"

#include "G4SystemOfUnits.hh"
#include "G4UImanager.hh"
#include "G4UIcommand.hh"
#include "G4UIdirectory.hh"
#include "G4UIcmdWithAnInteger.hh"

#include "G4VisManager.hh"

// Static initializer
G4OpenInventorXtExaminerViewerMessenger* 
   G4OpenInventorXtExaminerViewerMessenger::fpInstance = 0;

G4OpenInventorXtExaminerViewerMessenger* 
G4OpenInventorXtExaminerViewerMessenger::GetInstance()
{
  if (!fpInstance) fpInstance = new G4OpenInventorXtExaminerViewerMessenger;
  return fpInstance;
}

// Constructor
G4OpenInventorXtExaminerViewerMessenger::
   G4OpenInventorXtExaminerViewerMessenger()
{
  G4bool omitable;

  fpDirectory = new G4UIdirectory("/vis/oixe/");
  fpDirectory->SetGuidance("G4OpenInventorXtExaminerViewer commands.");

  fpCommandPathLookahead = new G4UIcmdWithAnInteger("/vis/oixe/pathLookahead", this);
  fpCommandPathLookahead->SetGuidance("Look-ahead for flying along a path.");
  fpCommandPathLookahead->SetParameterName("npoints", omitable = false);
  fpCommandPathLookahead->SetRange("npoints > 0");
}

G4OpenInventorXtExaminerViewerMessenger::
   ~G4OpenInventorXtExaminerViewerMessenger()
{
  delete fpCommandPathLookahead;
  delete fpDirectory;
}

void G4OpenInventorXtExaminerViewerMessenger::
   SetNewValue(G4UIcommand* command, G4String newValue)
{
  G4VisManager* pVisManager = G4VisManager::GetInstance();

  G4VViewer* pVViewer = pVisManager->GetCurrentViewer();

  if (!pVViewer) {
    G4cout <<
       "G4OpenInventorXtExaminerViewerMessenger::SetNewValue: "
       "No current viewer." << G4endl <<
       "Use /vis/open, or similar, to get one." << G4endl;
    return;
  }

  G4OpenInventorXtExaminerViewer* pViewer = 
     dynamic_cast<G4OpenInventorXtExaminerViewer*>(pVViewer);

  if (!pViewer) {
    G4cout <<
       "G4OpenInventorXtExaminerViewerMessenger::SetNewValue:" << G4endl <<
       "Current viewer is not of type OIXE."  << G4endl <<
       "Use /vis/viewer/select or /vis/open." << G4endl;
    return;
  }

  if (command == fpCommandPathLookahead) {
     G4int lookahead =
        fpCommandPathLookahead->GetNewIntValue(newValue);
     if (lookahead > 0) pViewer->pathLookahead = lookahead;
  }
}

#endif