nicselector.cpp Example File

secureudpserver/nicselector.cpp

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  #include <limits>

  #include <QtCore>
  #include <QtNetwork>

  #include "nicselector.h"
  #include "ui_nicselector.h"

  NicSelector::NicSelector(QWidget *parent) :
      QDialog(parent),
      ui(new Ui::NicSelector)
  {
      ui->setupUi(this);
      auto portValidator = new QIntValidator(0, int(std::numeric_limits<quint16>::max()),
                                             ui->portSelector);
      ui->portSelector->setValidator(portValidator);
      ui->portSelector->setText(QStringLiteral("22334"));

      const QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses();
      availableAddresses.reserve(ipAddressesList.size());
      for (const QHostAddress &ip : ipAddressesList) {
          if (ip != QHostAddress::LocalHost && ip.toIPv4Address()) {
              availableAddresses.push_back(ip);
              ui->ipSelector->addItem(ip.toString());
          }
      }
  }

  NicSelector::~NicSelector()
  {
      delete ui;
  }

  QHostAddress NicSelector::selectedIp() const
  {
      if (!availableAddresses.size())
          return {};

      return availableAddresses[ui->ipSelector->currentIndex()];
  }

  quint16 NicSelector::selectedPort() const
  {
      return quint16(ui->portSelector->text().toUInt());
  }