} filter;

	bool descending_sort_order;

	byte sort_criteria;

	bool listview_mode;

	EngineID sel_engine;

	EngineID rename_engine;

		this->owner = (tile != INVALID_TILE) ? GetTileOwner(tile) : _local_company;

		this->sel_engine      = INVALID_ENGINE;

		this->sort_criteria         = _last_sort_criteria[type];

		this->descending_sort_order = _last_sort_order[type];

			ResizeButtons(this, BUILD_VEHICLE_WIDGET_BUILD, BUILD_VEHICLE_WIDGET_RENAME);

		}

		this->GenerateBuildList(); // generate the list, since we need it in the next line

		/* Select the first engine in the list as default when opening the window */

		if (this->eng_list.Length() > 0) this->sel_engine = this->eng_list[0];

	/* Generate the list of vehicles */

	void GenerateBuildList()

	{

		switch (this->vehicle_type) {

			default: NOT_REACHED();

			case VEH_TRAIN:

				this->GenerateBuildTrainList();

				return; // trains should not reach the last sorting

			case VEH_ROAD:

				this->GenerateBuildRoadVehList();

		}

		_internal_sort_order = this->descending_sort_order;

		EngList_Sort(&this->eng_list, _sorter[this->vehicle_type][this->sort_criteria]);

	}

	void OnClick(Point pt, int widget)

			case BUILD_VEHICLE_WIDGET_SORT_ASSENDING_DESCENDING:

				this->descending_sort_order ^= true;

				_last_sort_order[this->vehicle_type] = this->descending_sort_order;

				this->SetDirty();

				break;

	virtual void OnInvalidateData(int data)

	{

	}

	virtual void OnPaint()

	{

		uint max = min(this->vscroll.pos + this->vscroll.cap, this->eng_list.Length());

		if (this->sort_criteria != index) {

			this->sort_criteria = index;

			_last_sort_criteria[this->vehicle_type] = this->sort_criteria;

		}

		this->SetDirty();

	}