Method DrawTimetablePanel

src/timetable_gui.cpp:426–461

* Helper function to draw the timetable panel. * @param r The rect to draw within. */

	 * @param r The rect to draw within.
	 */
	void DrawTimetablePanel(const Rect &r) const
	{
		const Vehicle *v = this->vehicle;
		if (v->GetNumOrders() == 0) return;
		Rect tr = r.Shrink(WidgetDimensions::scaled.framerect);
		int i = this->vscroll->GetPosition();
		VehicleOrderID order_id = (i + 1) / 2;
		bool final_order = false;
		int selected = this->sel_index;

		bool rtl = _current_text_dir == TD_RTL;
		int index_column_width = GetStringBoundingBox(GetString(STR_ORDER_INDEX, GetParamMaxValue(v->GetNumOrders(), 2))).width + 2 * GetSpriteSize(rtl ? SPR_ARROW_RIGHT : SPR_ARROW_LEFT).width + WidgetDimensions::scaled.hsep_normal;
		int middle = rtl ? tr.right - index_column_width : tr.left + index_column_width;

		auto orders = v->Orders();
		while (true) {
			/* Don't draw anything if it extends past the end of the window. */
			if (!this->vscroll->IsVisible(i)) break;

			if (i % 2 == 0) {
				DrawOrderString(v, &orders[order_id], order_id, tr.top, i == selected, true, tr.left, middle, tr.right);
				if (v->orders->GetNext(order_id) == 0) final_order = true;
				order_id = v->orders->GetNext(order_id);
			} else {
				TextColour colour;
				std::string string = GetTimetableTravelString(orders[order_id], i, colour);

				DrawString(rtl ? tr.left : middle, rtl ? middle : tr.right, tr.top, string, colour);

				if (final_order) break;
			}

			i++;
			tr.top += GetCharacterHeight(FS_NORMAL);
		}
	}

	/**
	 * Helper function to draw the arrival and departure panel.