Method DrawWidget

src/fios_gui.cpp:489–544

	}

	void DrawWidget(const Rect &r, WidgetID widget) const override
	{
		switch (widget) {
			case WID_SL_SORT_BYNAME:
			case WID_SL_SORT_BYDATE:
				if (((_savegame_sort_order & SORT_BY_NAME) != 0) == (widget == WID_SL_SORT_BYNAME)) {
					this->DrawSortButtonState(widget, _savegame_sort_order & SORT_DESCENDING ? SBS_DOWN : SBS_UP);
				}
				break;

			case WID_SL_BACKGROUND: {
				static std::string path;
				static std::optional<uint64_t> free_space = std::nullopt;

				if (_fios_path_changed) {
					path = FiosGetCurrentPath();
					free_space = FiosGetDiskFreeSpace(path);
					_fios_path_changed = false;
				}

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

				if (free_space.has_value()) {
					DrawString(ir.left, ir.right, ir.top + GetCharacterHeight(FS_NORMAL), GetString(STR_SAVELOAD_BYTES_FREE, free_space.value()));
				} else {
					DrawString(ir.left, ir.right, ir.top + GetCharacterHeight(FS_NORMAL), STR_ERROR_UNABLE_TO_READ_DRIVE);
				}
				DrawString(ir.left, ir.right, ir.top, path, TC_BLACK);
				break;
			}

			case WID_SL_DRIVES_DIRECTORIES_LIST: {
				const Rect br = r.Shrink(WidgetDimensions::scaled.bevel);
				GfxFillRect(br, PC_BLACK);

				Rect tr = r.Shrink(WidgetDimensions::scaled.inset).WithHeight(this->resize.step_height);
				auto [first, last] = this->vscroll->GetVisibleRangeIterators(this->display_list);
				for (auto it = first; it != last; ++it) {
					const FiosItem *item = *it;

					if (item == this->selected) {
						GfxFillRect(br.WithY(tr), PC_DARK_BLUE);
					} else if (item == this->highlighted) {
						GfxFillRect(br.WithY(tr), PC_VERY_DARK_BLUE);
					}
					DrawString(tr, item->title.GetDecodedString(), _fios_colours[item->type.detailed]);
					tr = tr.Translate(0, this->resize.step_height);
				}
				break;
			}

			case WID_SL_DETAILS:
				this->DrawDetails(r);
				break;
		}
	}

	void DrawDetails(const Rect &r) const