Function PopulatePreferences

src/AudacityApp.cpp:205–450

namespace {

void PopulatePreferences()
{
   bool resetPrefs = false;
   wxString langCode = gPrefs->Read(wxT("/Locale/Language"), wxEmptyString);
   bool writeLang = false;

   const wxFileName fn(
      FileNames::ResourcesDir(),
      wxT("FirstTime.ini"));
   if (fn.FileExists())   // it will exist if the (win) installer put it there
   {
      const wxString fullPath{fn.GetFullPath()};

      auto pIni =
         AudacityFileConfig::Create({}, {}, fullPath, {},
            wxCONFIG_USE_LOCAL_FILE);
      auto &ini = *pIni;

      wxString lang;
      if (ini.Read(wxT("/FromInno/Language"), &lang) && !lang.empty())
      {
         // Only change "langCode" if the language was actually specified in the ini file.
         langCode = lang;
         writeLang = true;

         // Inno Setup doesn't allow special characters in the Name values, so "0" is used
         // to represent the "@" character.
         langCode.Replace(wxT("0"), wxT("@"));
      }

      ini.Read(wxT("/FromInno/ResetPrefs"), &resetPrefs, false);

      bool gone = wxRemoveFile(fullPath);  // remove FirstTime.ini
      if (!gone)
      {
         AudacityMessageBox(
            XO("Failed to remove %s").Format(fullPath),
            XO("Failed!"));
      }
   }

   // Use the system default language if one wasn't specified or if the user selected System.
   if (langCode.empty())
      langCode =
         Languages::GetSystemLanguageCode(FileNames::AudacityPathList());

   langCode = GUISettings::SetLang( langCode );

   // User requested that the preferences be completely reset
   if (resetPrefs)
   {
      ResetPreferences();
      writeLang = true;
   }

   // Save the specified language
   if (writeLang)
   {