Method SetEffectParameters

src/EffectAndCommandPluginManager.cpp:210–247

This function is used only in the macro programming user interface

// This function is used only in the macro programming user interface
bool EffectAndCommandPluginManager::SetEffectParameters(
   const PluginID& ID, const wxString& params)
{
   auto pair = EffectManager::Get().GetEffectAndDefaultSettings(ID);
   if (auto effect = pair.first)
   {
      assert(pair.second); // postcondition
      auto& settings = *pair.second;
      CommandParameters eap(params);

      // Check first for what GetDefaultPreset() might have written
      if (eap.HasEntry(wxT("Use Preset")))
      {
         return effect
            ->LoadSettingsFromString(eap.Read(wxT("Use Preset")), settings)
            .has_value();
      }

      return effect->LoadSettingsFromString(params, settings).has_value();
   }
   AudacityCommand* command = GetAudacityCommand(ID);

   if (command)
   {
      // Set defaults (if not initialised) before setting values.
      command->Init();
      CommandParameters eap(params);

      // Check first for what GetDefaultPreset() might have written
      if (eap.HasEntry(wxT("Use Preset")))
      {
         return command->LoadSettingsFromString(eap.Read(wxT("Use Preset")));
      }

      return command->LoadSettingsFromString(params);
   }
   return false;
}

//! Shows an effect or command dialog so the user can specify settings for later
/*!