Method DrawWidget

src/industry_gui.cpp:1690–1732

	}

	void DrawWidget(const Rect &r, WidgetID widget) const override
	{
		switch (widget) {
			case WID_ID_DROPDOWN_ORDER:
				this->DrawSortButtonState(widget, this->industries.IsDescSortOrder() ? SBS_DOWN : SBS_UP);
				break;

			case WID_ID_INDUSTRY_LIST: {
				Rect ir = r.Shrink(WidgetDimensions::scaled.framerect);

				/* Setup a clipping rectangle... */
				DrawPixelInfo tmp_dpi;
				if (!FillDrawPixelInfo(&tmp_dpi, ir)) return;
				/* ...but keep coordinates relative to the window. */
				tmp_dpi.left += ir.left;
				tmp_dpi.top += ir.top;

				AutoRestoreBackup dpi_backup(_cur_dpi, &tmp_dpi);

				ir = ScrollRect(ir, *this->hscroll, 1);

				if (this->industries.empty()) {
					DrawString(ir, STR_INDUSTRY_DIRECTORY_NONE);
					break;
				}
				const CargoType acf_cargo_type = this->accepted_cargo_filter_criteria;
				auto [first, last] = this->vscroll->GetVisibleRangeIterators(this->industries);
				for (auto it = first; it != last; ++it) {
					TextColour tc = TC_FROMSTRING;
					if (acf_cargo_type != CargoFilterCriteria::CF_ANY && acf_cargo_type != CargoFilterCriteria::CF_NONE) {
						Industry *ind = const_cast<Industry *>(*it);
						if (IndustryTemporarilyRefusesCargo(ind, acf_cargo_type)) {
							tc = TC_GREY | TC_FORCED;
						}
					}
					DrawString(ir, this->GetIndustryString(*it), tc);

					ir.top += this->resize.step_height;
				}
				break;
			}
		}
	}

	void UpdateWidgetSize(WidgetID widget, Dimension &size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension &fill, [[maybe_unused]] Dimension &resize) override
	{