addressdialog.cpp Example File

secureudpclient/addressdialog.cpp

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  #include "addressdialog.h"
  #include "ui_addressdialog.h"

  #include <QtCore>
  #include <QtNetwork>
  #include <QtWidgets>

  #include <limits>

  AddressDialog::AddressDialog(QWidget *parent)
      : QDialog(parent),
        ui(new Ui::AddressDialog)
  {
      ui->setupUi(this);
      setupHostSelector();
      setupPortSelector();
  }

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

  QString AddressDialog::remoteName() const
  {
      if (ui->addressSelector->count())
          return ui->addressSelector->currentText();
      return {};
  }

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

  void AddressDialog::setupHostSelector()
  {
      QString name(QHostInfo::localHostName());
      if (!name.isEmpty()) {
          ui->addressSelector->addItem(name);
          const QString domain = QHostInfo::localDomainName();
          if (!domain.isEmpty())
              ui->addressSelector->addItem(name + QChar('.') + domain);
      }

      if (name != QStringLiteral("localhost"))
          ui->addressSelector->addItem(QStringLiteral("localhost"));

      const QList<QHostAddress> ipAddressesList = QNetworkInterface::allAddresses();
      for (const QHostAddress &ipAddress : ipAddressesList) {
          if (!ipAddress.isLoopback())
              ui->addressSelector->addItem(ipAddress.toString());
      }

      ui->addressSelector->insertSeparator(ui->addressSelector->count());

      for (const QHostAddress &ipAddress : ipAddressesList) {
          if (ipAddress.isLoopback())
              ui->addressSelector->addItem(ipAddress.toString());
      }
  }

  void AddressDialog::setupPortSelector()
  {
      ui->portSelector->setValidator(new QIntValidator(0, std::numeric_limits<quint16>::max(),
                                                       ui->portSelector));
      ui->portSelector->setText(QStringLiteral("22334"));
  }