Method GetOrderFromPt

src/order_gui.cpp:564–571

* Calculate the selected order. * The calculation is based on the relative (to the window) y click position and * the position of the scrollbar. * * @param y Y-value of the click relative to the window origin * @return The selected order if the order is valid, else return \c INVALID_VEH_ORDER_ID. */

	 * @return The selected order if the order is valid, else return \c INVALID_VEH_ORDER_ID.
	 */
	VehicleOrderID GetOrderFromPt(int y)
	{
		int32_t sel = this->vscroll->GetScrolledRowFromWidget(y, this, WID_O_ORDER_LIST, WidgetDimensions::scaled.framerect.top);
		if (sel == INT32_MAX) return INVALID_VEH_ORDER_ID;
		/* One past the orders is the 'End of Orders' line. */
		assert(IsInsideBS(sel, 0, vehicle->GetNumOrders() + 1));
		return sel;
	}

	/**
	 * Handle the click on the goto button.