Method updateValues

game/ui/general/transactioncontrol.cpp:93–153

}

void TransactionControl::updateValues()
{
	if (scrollBar->getMaximum() != 0)
	{
		if (manufacturerHostile || manufacturerUnavailable)
		{
			int defaultRightStock = tradeState.getRightStock();
			if ((tradeState.getLeftIndex() == ECONOMY_IDX &&
			     scrollBar->getValue() > defaultRightStock) ||
			    (tradeState.getRightIndex() == ECONOMY_IDX &&
			     scrollBar->getValue() < defaultRightStock))
			{
				tradeState.cancelOrder();
				scrollBar->setValue(tradeState.getBalance());

				auto message_box = mksp<MessageBox>(
				    manufacturerName,
				    manufacturerHostile ? tr("Order canceled by the hostile manufacturer.")
				                        : tr("Manufacturer has no intact buildings in this city to "
				                             "deliver goods from."),
				    MessageBox::ButtonOptions::Ok);
				fw().stageQueueCommand({StageCmd::Command::PUSH, message_box});
				return;
			}
		}

		// TODO: remove linked
		if (tradeState.getBalance() != scrollBar->getValue())
		{
			tradeState.setBalance(scrollBar->getValue());
			if (linked)
			{
				for (auto &c : *linked)
				{
					if (auto c_sp = c.lock())
					{
						c_sp->suspendUpdates = true;
						c_sp->scrollBar->setValue(scrollBar->getValue());
						c_sp->updateValues();
						c_sp->suspendUpdates = false;
					}
				}
			}
			if (!suspendUpdates)
			{
				this->pushFormEvent(FormEventType::ScrollBarChange, nullptr);
			}
		}
	}

	int curDeltaRight = tradeState.getLROrder();
	int curDeltaLeft = -curDeltaRight;

	stockLeft->setText(format("%d", tradeState.getLeftStock(true)));
	stockRight->setText(format("%d", tradeState.getRightStock(true)));
	deltaLeft->setText(format("%s%d", curDeltaLeft > 0 ? "+" : "", curDeltaLeft));
	deltaRight->setText(format("%s%d", curDeltaRight > 0 ? "+" : "", curDeltaRight));
	deltaLeft->setVisible(tradeState.getLeftIndex() != ECONOMY_IDX && curDeltaLeft != 0);