Method PopulateUI

src/effects/lv2/LV2Effect.cpp:71–114

May come here before destructive processing Or maybe not (if you "Repeat Last Effect")

// May come here before destructive processing
// Or maybe not (if you "Repeat Last Effect")
std::unique_ptr<EffectEditor> LV2Effect::PopulateUI(const EffectPlugin &,
   ShuttleGui &S, EffectInstance &instance, EffectSettingsAccess &access,
   const EffectOutputs *pOutputs) const
{
   auto &settings = access.Get();
   auto parent = S.GetParent();

   auto &myInstance = dynamic_cast<LV2Instance &>(instance);
   auto pWrapper =
      // Output port connection isn't needed for fancy UI wrapper.  Its
      // features are needed to make the suil_instance
      myInstance.MakeWrapper(settings, mProjectRate, nullptr);
   if (!pWrapper) {
      AudacityMessageBox( XO("Couldn't instantiate effect") );
      return nullptr;
   }

   // Determine if the GUI editor is supposed to be used or not
   bool useGUI = false;
   LV2Preferences::GetUseGUI(*this, useGUI);

   // Until I figure out where to put the "Duration" control in the
   // graphical editor, force usage of plain editor.
   if (GetType() == EffectTypeGenerate)
      useGUI = false;

   auto result = std::make_unique<LV2Editor>(*this, GetType(), mPlug,
      dynamic_cast<LV2Instance&>(instance),
      access, pOutputs, mProjectRate, mFeatures, mPorts, parent, useGUI);

#ifdef __WXMAC__
   const auto vendor = GetVendor().Msgid().Translation();
   const bool doX42Hack = vendor == "Robin Gareus";
   result->mUI.mJustLeakMemory = doX42Hack;
#endif

   if (result->mUseGUI)
      result->mUseGUI = result->BuildFancy(move(pWrapper), settings);
   if (!result->mUseGUI && !result->BuildPlain(access))
      return nullptr;
   result->UpdateUI();

   return result;
}

std::unique_ptr<EffectEditor> LV2Effect::MakeEditor(
   ShuttleGui &, EffectInstance &, EffectSettingsAccess &,