Function EditableTracksSelectedPred

src/CommonCommandFlags.cpp:45–51

Strong predicate excludes tracks that do not support basic editing.

// Strong predicate excludes tracks that do not support basic editing.
bool EditableTracksSelectedPred(const AudacityProject &project)
{
   auto range = TrackList::Get(project).Selected()
     - [](const Track *pTrack){
        return !pTrack->SupportsBasicEditing(); };
   return !range.empty();
};

// Weaker predicate.
bool AnyTracksSelectedPred(const AudacityProject &project)