Method UpdateWidgetSize

src/industry_gui.cpp:410–481

	}

	void UpdateWidgetSize(WidgetID widget, Dimension &size, [[maybe_unused]] const Dimension &padding, [[maybe_unused]] Dimension &fill, [[maybe_unused]] Dimension &resize) override
	{
		switch (widget) {
			case WID_DPI_MATRIX_WIDGET: {
				Dimension count = GetStringBoundingBox(GetString(STR_JUST_COMMA, GetParamMaxDigits(4)), FS_SMALL);
				Dimension d{};
				for (const auto &indtype : this->list) {
					d = maxdim(d, GetStringBoundingBox(GetIndustrySpec(indtype)->name));
				}
				fill.height = resize.height = std::max<uint>({this->legend.height, d.height, count.height}) + padding.height;
				d.width += this->badge_classes.GetTotalColumnsWidth() + this->legend.width + WidgetDimensions::scaled.hsep_wide + WidgetDimensions::scaled.hsep_normal + count.width + padding.width;
				d.height = 5 * resize.height;
				size = maxdim(size, d);
				break;
			}

			case WID_DPI_INFOPANEL: {
				/* Extra line for cost outside of editor. */
				int height = 2 + (_game_mode == GM_EDITOR ? 0 : 1);
				uint extra_lines_req = 0;
				uint extra_lines_prd = 0;
				uint extra_lines_newgrf = 0;
				uint max_minwidth = GetCharacterHeight(FS_NORMAL) * MAX_MINWIDTH_LINEHEIGHTS;
				Dimension d = {0, 0};
				for (const auto &indtype : this->list) {
					const IndustrySpec *indsp = GetIndustrySpec(indtype);
					CargoSuffix cargo_suffix[std::tuple_size_v<decltype(indsp->accepts_cargo)>];

					/* Measure the accepted cargoes, if any. */
					GetAllCargoSuffixes(CARGOSUFFIX_IN, CST_FUND, nullptr, indtype, indsp, indsp->accepts_cargo, cargo_suffix);
					std::string cargostring = this->MakeCargoListString(indsp->accepts_cargo, cargo_suffix, STR_INDUSTRY_VIEW_REQUIRES_N_CARGO);
					Dimension strdim = GetStringBoundingBox(cargostring);
					if (strdim.width > max_minwidth) {
						extra_lines_req = std::max(extra_lines_req, strdim.width / max_minwidth + 1);
						strdim.width = max_minwidth;
					}
					d = maxdim(d, strdim);

					/* Measure the produced cargoes, if any. */
					GetAllCargoSuffixes(CARGOSUFFIX_OUT, CST_FUND, nullptr, indtype, indsp, indsp->produced_cargo, cargo_suffix);
					cargostring = this->MakeCargoListString(indsp->produced_cargo, cargo_suffix, STR_INDUSTRY_VIEW_PRODUCES_N_CARGO);
					strdim = GetStringBoundingBox(cargostring);
					if (strdim.width > max_minwidth) {
						extra_lines_prd = std::max(extra_lines_prd, strdim.width / max_minwidth + 1);
						strdim.width = max_minwidth;
					}
					d = maxdim(d, strdim);

					if (indsp->grf_prop.HasGrfFile()) {
						/* Reserve a few extra lines for text from an industry NewGRF. */
						extra_lines_newgrf = 4;
					}
				}

				/* Set it to something more sane :) */
				height += extra_lines_prd + extra_lines_req + extra_lines_newgrf;
				size.height = height * GetCharacterHeight(FS_NORMAL) + padding.height;
				size.width = d.width + padding.width;