VisibleObjectToMaterialHelper.icc

Go to the documentation of this file.

/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
 
////////////////////////////////////////////////////////////////
//                                                            //
//  Implementation of VisibleObjectToMaterialHelper inlines   //
//                                                            //
//  Author: Thomas H. Kittelmann (Thomas.Kittelmann@cern.ch)  //
//  Initial version: February 2008                            //
//                                                            //
////////////////////////////////////////////////////////////////
 
#include <QTimer>
#include "VP1Base/VP1Msg.h"
 
//____________________________________________________________________
template <class objectT>
inline VisibleObjectToMaterialHelper<objectT>::VisibleObjectToMaterialHelper(QObject * parent,IVP1System*sys)
  : VisibleObjectToMaterialHelper_Base(parent),
    VP1HelperClassBase(sys,"VisibleObjectToMaterialHelper"),
    m_hasscheduledupdate(false)
{
}
 
//____________________________________________________________________
template <class objectT>
inline VisibleObjectToMaterialHelper<objectT>::~VisibleObjectToMaterialHelper()
{
  setNoVisibleObjects();
}
 
 
//____________________________________________________________________
template <class objectT>
inline void VisibleObjectToMaterialHelper<objectT>::setState( const objectT* t, SoMaterial *mat )
{
  if (!t) {
    message("setState WARNING: Called with null pointer");
    return;
  }
  if (VP1Msg::verbose())
    messageVerbose("setState Called");
 
  typename std::map<const objectT*,SoMaterial*>::iterator it = m_visobjects.find(t);
 
  if (mat) {
    if (it==m_visobjects.end()||it->second!=mat) {
      m_visobjects[t] = mat;
      scheduleUpdate();
    }
  } else {
    if (it!=m_visobjects.end()) {
      m_visobjects.erase(it);
      scheduleUpdate();
    }
  }
}
 
//____________________________________________________________________
template <class objectT>
inline void VisibleObjectToMaterialHelper<objectT>::setNoVisibleObjects()
{
  bool hadobjects = ! m_visobjects.empty();
  m_visobjects.clear();
  if (hadobjects)
    emitSignal(); // Don't do scheduleUpdate here, as can cause crash at end of event.
}
 
//____________________________________________________________________
template <class objectT>
inline void VisibleObjectToMaterialHelper<objectT>::scheduleUpdate()
{
  if (m_hasscheduledupdate)
    return;
  m_hasscheduledupdate = true;
  messageVerbose("Schedule emission of visibleObjectsChanged()");
  QTimer::singleShot(0, this, SLOT(emitSignal()));
}
 
//____________________________________________________________________
template <class objectT>
inline void VisibleObjectToMaterialHelper<objectT>::emitSignal()
{
  m_hasscheduledupdate = false;
  visibleObjectsChanged();
}