- First implementation of a SimulationController in the GUI

that uses a callback to run the simulation in continuous mode.
It isn't finished yet.


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@948 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/backend/simulation.cc

@@ -35,6 +35,11 @@ using namespace sgpem;
 // Explicit template instantiation to allow to export symbols from the DSO.
 template class SG_DLLEXPORT Singleton<ConcreteSimulation>;
 
+Simulation::Simulation()
+  : _notify(true), _front(0)
+{
+}
+
 
 Simulation::~Simulation()
 {}
@@ -68,7 +73,7 @@ unsigned int Simulation::get_front() const
 void
 Simulation::notify_change()
 {
-  //if (!_notify) return; // what's the purpose of this?
+  if (!_notify) return;
 
   for (RegisteredObservers::iterator it = _observers.begin();
        it != _observers.end(); it++)