Method OnPaint

src/dock_gui.cpp:434–458

	}

	void OnPaint() override
	{
		int rad = (_settings_game.station.modified_catchment) ? CA_DOCK : CA_UNMODIFIED;

		this->DrawWidgets();

		if (_settings_client.gui.station_show_coverage) {
			SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);
		} else {
			SetTileSelectSize(1, 1);
		}

		/* strings such as 'Size' and 'Coverage Area' */
		Rect r = this->GetWidget<NWidgetBase>(WID_BDSW_ACCEPTANCE)->GetCurrentRect();
		const int bottom = r.bottom;
		r.bottom = INT_MAX; // Allow overflow as we want to know the required height.
		r.top = DrawStationCoverageAreaText(r, SCT_ALL, rad, false) + WidgetDimensions::scaled.vsep_normal;
		r.top = DrawStationCoverageAreaText(r, SCT_ALL, rad, true);
		/* Resize background if the window is too small.
		 * Never make the window smaller to avoid oscillating if the size change affects the acceptance.
		 * (This is the case, if making the window bigger moves the mouse into the window.) */
		if (r.top > bottom) {
			ResizeWindow(this, 0, r.top - bottom, false);
		}
	}

	void OnClick([[maybe_unused]] Point pt, WidgetID widget, [[maybe_unused]] int click_count) override
	{