Method DrawWidget

src/town_gui.cpp:844–886

	}

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

			case WID_TD_LIST: {
				Rect tr = r.Shrink(WidgetDimensions::scaled.framerect);
				if (this->towns.empty()) { // No towns available.
					DrawString(tr, STR_TOWN_DIRECTORY_NONE);
					break;
				}

				/* At least one town available. */
				bool rtl = _current_text_dir == TD_RTL;
				Dimension icon_size = GetSpriteSize(SPR_TOWN_RATING_GOOD);
				int icon_x = tr.WithWidth(icon_size.width, rtl).left;
				tr = tr.Indent(icon_size.width + WidgetDimensions::scaled.hsep_normal, rtl);

				auto [first, last] = this->vscroll->GetVisibleRangeIterators(this->towns);
				for (auto it = first; it != last; ++it) {
					const Town *t = *it;
					assert(t->xy != INVALID_TILE);

					/* Draw rating icon. */
					if (_game_mode == GM_EDITOR || !t->have_ratings.Test(_local_company)) {
						DrawSprite(SPR_TOWN_RATING_NA, PAL_NONE, icon_x, tr.top + (this->resize.step_height - icon_size.height) / 2);
					} else {
						SpriteID icon = SPR_TOWN_RATING_APPALLING;
						if (t->ratings[_local_company] > RATING_VERYPOOR) icon = SPR_TOWN_RATING_MEDIOCRE;
						if (t->ratings[_local_company] > RATING_GOOD)     icon = SPR_TOWN_RATING_GOOD;
						DrawSprite(icon, PAL_NONE, icon_x, tr.top + (this->resize.step_height - icon_size.height) / 2);
					}

					DrawString(tr.left, tr.right, tr.top + (this->resize.step_height - GetCharacterHeight(FS_NORMAL)) / 2, GetTownString(t, t->cache.population));

					tr.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
	{