Function parse_device_prep_option

src/display_device.cpp:271–289

* @brief Parse device preparation option from the user configuration and the session information. * @param video_config User's video related configuration. * @returns Parsed device preparation value we need to use. * Empty optional if no preparation nor configuration shall take place. * * @examples * const config::video_t &video_config { config::video };

     * @examples_end
     */
    std::optional<SingleDisplayConfiguration::DevicePreparation> parse_device_prep_option(const config::video_t &video_config) {
      using enum config::video_t::dd_t::config_option_e;
      using enum SingleDisplayConfiguration::DevicePreparation;

      switch (video_config.dd.configuration_option) {
        case verify_only:
          return VerifyOnly;
        case ensure_active:
          return EnsureActive;
        case ensure_primary:
          return EnsurePrimary;
        case ensure_only_display:
          return EnsureOnlyDisplay;
        case disabled:
          break;
      }

      return std::nullopt;
    }

    /**
     * @brief Parse resolution option from the user configuration and the session information.