Method getStock

game/ui/general/transactioncontrol.cpp:900–905

* Get current stock. * @param baseIdx - index of the base (economy) * @param oppositeIdx - index of the opposite base (economy) * @param currentStock - true for current, false for default (by default) * @return - the stock */

 * @return - the stock
 */
int TransactionControl::Trade::getStock(const int baseIdx, const int oppositeIdx,
                                        bool currentStock) const
{
	return initialStock[baseIdx] - shipmentsFrom(baseIdx, oppositeIdx) -
	       (currentStock ? getOrder(baseIdx, oppositeIdx) : 0);
}

/**
 * ScrollBar support. Set current value.