Method ResetProjectToEmpty

src/ProjectManager.cpp:736–756

This is done to empty out the tracks, but without creating a new project.

// This is done to empty out the tracks, but without creating a new project.
void ProjectManager::ResetProjectToEmpty() {
   auto &project = mProject;
   auto &projectFileIO = ProjectFileIO::Get( project );
   auto &projectFileManager = ProjectFileManager::Get( project );
   auto &projectHistory = ProjectHistory::Get( project );
   auto &viewInfo = ViewInfo::Get( project );

   SelectUtilities::DoSelectAll( project );
   TrackUtilities::DoRemoveTracks( project );

   Tags::Set( project, std::make_shared<Tags>() );

   WaveTrackFactory::Reset( project );

   // InitialState will reset UndoManager
   projectHistory.InitialState();
   projectHistory.SetDirty(false);

   projectFileManager.CloseProject();
   projectFileManager.OpenProject();
}

void ProjectManager::RestartTimer()
{