informationdialog.cpp

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#include "informationdialog.h"

#include <QNetworkInterface>
#include <QHostInfo>
#include <QDir>
#include <QDirIterator>
#include <QLayout>
#include <QFormLayout>
#include <QLabel>

InformationDialog::InformationDialog()  : QDialog()
{

   /* widgets */
   _lblTitle = new QLabel(tr("<h1>system information</h1>"), this);
   _tableWidget = new QWidget(this);

   /* layouts */
   _layout = new QVBoxLayout(this);
   _tableLayout = new QFormLayout(this);

   /* */
   _tableWidget->setLayout(_tableLayout);
   _layout->addWidget(_lblTitle);
   _layout->addWidget(_tableWidget);
   this->setLayout(_layout);

   initTable();

   qDebug() << "create information dialog";
}

void InformationDialog::initTable()
{
   /* NETWORK*/
   /* hostnames */
   _tableLayout->addRow(new QLabel("<b>" + tr("hostname") + "</b>", this),
                   new QLabel(QHostInfo::localHostName(), this));
   /* ips */
   QStringList interfaceFilter;
   QString bridgeDevicePath("/sys/devices/virtual/net/");
   QDirIterator it(bridgeDevicePath, QStringList("brif"), QDir::Dirs, QDirIterator::Subdirectories);
   while (it.hasNext()) {
      it.next();
      QDir dir = it.filePath();
      dir.setFilter(QDir::Dirs | QDir::NoDotAndDotDot);
      interfaceFilter += dir.entryList();
   }

   for (const auto& interface : QNetworkInterface::allInterfaces()) {

      if (interfaceFilter.contains(interface.name()) || interface.flags().testFlag(QNetworkInterface::IsLoopBack)) {
         qDebug() << "interface filtered: " << interface.name();
         continue;
      }

      _tableLayout->addRow("<u><b>" + interface.name() + "</b></u>", new QLabel(this));

      for (const auto &entry : interface.addressEntries()) {
         QLabel* label;
         QLabel* value;
         QHostAddress hostAddr = entry.ip();

         if (hostAddr == QHostAddress::Null || hostAddr == QHostAddress::Broadcast || hostAddr == QHostAddress::LocalHost
                 || hostAddr == QHostAddress::AnyIPv6)
            continue;

         if (hostAddr.protocol() == QAbstractSocket::IPv6Protocol)  {
            label = new QLabel("IPv6", this);
            value = new QLabel(hostAddr.toString().split("%").first(), this);
         } else {
            label = new QLabel("IPv4", this);
            value = new QLabel(hostAddr.toString(), this);
         }

         _tableLayout->addRow(label, value);
      }
      _tableLayout->addRow("MAC", new QLabel(interface.hardwareAddress(), this));
   }

   /* TODO: Add other information */
}