Method OnQueryTextFinished

src/newgrf_gui.cpp:1162–1178

	}

	void OnQueryTextFinished(std::optional<std::string> str) override
	{
		if (!str.has_value()) return;

		SaveGRFPresetToConfig(*str, this->actives);
		this->grf_presets = GetGRFPresetList();

		/* Switch to this preset */
		for (uint i = 0; i < this->grf_presets.size(); i++) {
			if (this->grf_presets[i] == str) {
				this->preset = i;
				break;
			}
		}

		this->InvalidateData();
	}

	/**
	 * Updates the scroll bars for the active and inactive NewGRF lists.