Method PickEffect

src/RealtimeEffectPanel.cpp:131–164

   public:

      static std::optional<wxString> PickEffect(AudacityProject& project, wxWindow* parent, const wxString& selectedEffectID)
      {
         wxMenu menu;
         if(!selectedEffectID.empty())
         {
            //no need to handle language change since menu creates its own event loop
            menu.Append(wxID_REMOVE, _("No Effect"));
            menu.AppendSeparator();
         }

         RealtimeEffectsMenuVisitor visitor { menu };

         Get().Populate(project, visitor);

         int commandId = wxID_NONE;

#if defined(__WXMSW__) || defined(__WXMAC__)
         menu.AppendSeparator();
         menu.Append(wxID_MORE, _("Get more effects..."));
#endif
         menu.Bind(wxEVT_MENU, [&](wxCommandEvent evt) { commandId = evt.GetId(); });

         if(parent->PopupMenu(&menu, parent->GetClientRect().GetLeftBottom()) && commandId != wxID_NONE)
         {
            if(commandId == wxID_REMOVE)
               return wxString {};
            if(commandId == wxID_MORE)
               GetEffectsHelper::Get().GetEffects();
            else
               return visitor.GetPluginID(commandId).GET();
         }

         return {};
      }

   private: