Method BuildVehicleWindow

src/build_vehicle_gui.cpp:1195–1249

	}

	BuildVehicleWindow(WindowDesc &desc, TileIndex tile, VehicleType type) : Window(desc), vehicle_editbox(MAX_LENGTH_VEHICLE_NAME_CHARS * MAX_CHAR_LENGTH, MAX_LENGTH_VEHICLE_NAME_CHARS)
	{
		this->vehicle_type = type;
		this->listview_mode = tile == INVALID_TILE;
		this->window_number = this->listview_mode ? (int)type : tile.base();

		this->sort_criteria         = _engine_sort_last_criteria[type];
		this->descending_sort_order = _engine_sort_last_order[type];
		this->show_hidden_engines   = _engine_sort_show_hidden_engines[type];

		this->UpdateFilterByTile();

		this->CreateNestedTree();

		this->vscroll = this->GetScrollbar(WID_BV_SCROLLBAR);

		/* If we are just viewing the list of vehicles, we do not need the Build button.
		 * So we just hide it, and enlarge the Rename button by the now vacant place. */
		if (this->listview_mode) this->GetWidget<NWidgetStacked>(WID_BV_BUILD_SEL)->SetDisplayedPlane(SZSP_NONE);

		NWidgetCore *widget = this->GetWidget<NWidgetCore>(WID_BV_LIST);
		widget->SetToolTip(STR_BUY_VEHICLE_TRAIN_LIST_TOOLTIP + type);

		widget = this->GetWidget<NWidgetCore>(WID_BV_SHOW_HIDE);
		widget->SetToolTip(STR_BUY_VEHICLE_TRAIN_HIDE_SHOW_TOGGLE_TOOLTIP + type);

		widget = this->GetWidget<NWidgetCore>(WID_BV_RENAME);
		widget->SetStringTip(STR_BUY_VEHICLE_TRAIN_RENAME_BUTTON + type, STR_BUY_VEHICLE_TRAIN_RENAME_TOOLTIP + type);

		widget = this->GetWidget<NWidgetCore>(WID_BV_SHOW_HIDDEN_ENGINES);
		widget->SetStringTip(STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN + type, STR_SHOW_HIDDEN_ENGINES_VEHICLE_TRAIN_TOOLTIP + type);
		widget->SetLowered(this->show_hidden_engines);

		this->details_height = ((this->vehicle_type == VEH_TRAIN) ? 10 : 9);

		if (tile == INVALID_TILE) {
			this->FinishInitNested(type);
		} else {
			this->FinishInitNested(tile);
		}

		this->querystrings[WID_BV_FILTER] = &this->vehicle_editbox;
		this->vehicle_editbox.cancel_button = QueryString::ACTION_CLEAR;

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

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

		/* Select the first unshaded engine in the list as default when opening the window */
		EngineID engine = EngineID::Invalid();
		auto it = std::ranges::find_if(this->eng_list, [](const GUIEngineListItem &item) { return !item.flags.Test(EngineDisplayFlag::Shaded); });
		if (it != this->eng_list.end()) engine = it->engine_id;
		this->SelectEngine(engine);
	}

	/** Set the filter type according to the depot type */
	void UpdateFilterByTile()