Method update

src/settingsdialogpaths.cpp:71–127

}

void PathsSettingsTab::update()
{
  using Setter    = void (PathSettings::*)(const QString&);
  using Directory = std::tuple<QString, Setter, std::wstring>;

  QString basePath = settings().paths().base();

  for (const Directory& dir :
       {Directory{ui->downloadDirEdit->text(), &PathSettings::setDownloads,
                  AppConfig::downloadPath()},
        Directory{ui->cacheDirEdit->text(), &PathSettings::setCache,
                  AppConfig::cachePath()},
        Directory{ui->modDirEdit->text(), &PathSettings::setMods,
                  AppConfig::modsPath()},
        Directory{ui->overwriteDirEdit->text(), &PathSettings::setOverwrite,
                  AppConfig::overwritePath()},
        Directory{ui->profilesDirEdit->text(), &PathSettings::setProfiles,
                  AppConfig::profilesPath()}}) {
    QString path;
    Setter setter;
    std::wstring defaultName;
    std::tie(path, setter, defaultName) = dir;

    QString realPath = path;
    realPath         = PathSettings::resolve(realPath, ui->baseDirEdit->text());

    if (!QDir(realPath).exists()) {
      if (!QDir().mkpath(realPath)) {
        QMessageBox::warning(
            parentWidget(), QObject::tr("Error"),
            QObject::tr("Failed to create \"%1\", you may not have the "
                        "necessary permissions. Path remains unchanged.")
                .arg(realPath));

        continue;
      }
    }

    if (QFileInfo(realPath) !=
        QFileInfo(basePath + "/" + QString::fromStdWString(defaultName))) {
      (settings().paths().*setter)(path);
    } else {
      (settings().paths().*setter)("");
    }
  }

  if (QFileInfo(ui->baseDirEdit->text()) !=
      QFileInfo(qApp->property("dataPath").toString())) {
    settings().paths().setBase(ui->baseDirEdit->text());
  } else {
    settings().paths().setBase("");
  }

  if (m_gameDir != settings().game().plugin()->gameDirectory()) {
    settings().game().setDirectory(m_gameDir.absolutePath());
  }
}