Method UpdateWidgetSize

src/engine_gui.cpp:82–105

	}

	void UpdateWidgetSize(WidgetID widget, Dimension &size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension &fill, [[maybe_unused]] Dimension &resize) override
	{
		if (widget != WID_EP_QUESTION) return;

		/* Get size of engine sprite, on loan from depot_gui.cpp */
		EngineID engine = static_cast<EngineID>(this->window_number);
		EngineImageType image_type = EIT_PREVIEW;
		uint x, y;
		int x_offs, y_offs;

		const Engine *e = Engine::Get(engine);
		switch (e->type) {
			default: NOT_REACHED();
			case VEH_TRAIN:    GetTrainSpriteSize(   engine, x, y, x_offs, y_offs, image_type); break;
			case VEH_ROAD:     GetRoadVehSpriteSize( engine, x, y, x_offs, y_offs, image_type); break;
			case VEH_SHIP:     GetShipSpriteSize(    engine, x, y, x_offs, y_offs, image_type); break;
			case VEH_AIRCRAFT: GetAircraftSpriteSize(engine, x, y, x_offs, y_offs, image_type); break;
		}
		this->vehicle_space = std::max<int>(ScaleSpriteTrad(40), y - y_offs);

		size.width = std::max(size.width, x + std::abs(x_offs));
		size.height = GetStringHeight(GetString(STR_ENGINE_PREVIEW_MESSAGE, GetEngineCategoryName(engine)), size.width) + WidgetDimensions::scaled.vsep_wide + GetCharacterHeight(FS_NORMAL) + this->vehicle_space;
		size.height += GetStringHeight(GetEngineInfoString(engine), size.width);
	}

	void DrawWidget(const Rect &r, WidgetID widget) const override
	{