Method DrawWidget

src/order_gui.cpp:1069–1124

	}

	void DrawWidget(const Rect &r, WidgetID widget) const override
	{
		if (widget != WID_O_ORDER_LIST) return;

		Rect ir = r.Shrink(WidgetDimensions::scaled.frametext, WidgetDimensions::scaled.framerect);
		bool rtl = _current_text_dir == TD_RTL;
		uint64_t max_value = GetParamMaxValue(this->vehicle->GetNumOrders(), 2);
		int index_column_width = GetStringBoundingBox(GetString(STR_ORDER_INDEX, max_value)).width + 2 * GetSpriteSize(rtl ? SPR_ARROW_RIGHT : SPR_ARROW_LEFT).width + WidgetDimensions::scaled.hsep_normal;
		int middle = rtl ? ir.right - index_column_width : ir.left + index_column_width;

		int y = ir.top;
		int line_height = this->GetWidget<NWidgetBase>(WID_O_ORDER_LIST)->resize_y;

		VehicleOrderID i = this->vscroll->GetPosition();
		VehicleOrderID num_orders = this->vehicle->GetNumOrders();

		/* First draw the highlighting underground if it exists. */
		if (this->order_over != INVALID_VEH_ORDER_ID) {
			while (i < num_orders) {
				/* Don't draw anything if it extends past the end of the window. */
				if (!this->vscroll->IsVisible(i)) break;

				if (i != this->selected_order && i == this->order_over) {
					/* Highlight dragged order destination. */
					int top = (this->order_over < this->selected_order ? y : y + line_height) - WidgetDimensions::scaled.framerect.top;
					int bottom = std::min(top + 2, ir.bottom);
					top = std::max(top - 3, ir.top);
					GfxFillRect(ir.left, top, ir.right, bottom, GetColourGradient(COLOUR_GREY, SHADE_LIGHTEST));
					break;
				}
				y += line_height;

				i++;
			}

			/* Reset counters for drawing the orders. */
			y = ir.top;
			i = this->vscroll->GetPosition();
		}

		/* Draw the orders. */
		while (i < num_orders) {
			/* Don't draw anything if it extends past the end of the window. */
			if (!this->vscroll->IsVisible(i)) break;

			DrawOrderString(this->vehicle, this->vehicle->GetOrder(i), i, y, i == this->selected_order, false, ir.left, middle, ir.right);
			y += line_height;

			i++;
		}

		if (this->vscroll->IsVisible(i)) {
			StringID str = this->vehicle->IsOrderListShared() ? STR_ORDERS_END_OF_SHARED_ORDERS : STR_ORDERS_END_OF_ORDERS;
			DrawString(rtl ? ir.left : middle, rtl ? middle : ir.right, y, str, (i == this->selected_order) ? TC_WHITE : TC_BLACK);
		}
	}

	std::string GetWidgetString(WidgetID widget, StringID stringid) const override