refactor: make NetworkMonitor::validAddresses static

src/lib/gui/MainWindow.cpp

@@ -395,7 +395,7 @@ void MainWindow::startCore()
 {
   // Save current IP state when server starts
   if (m_coreProcess.mode() == CoreMode::Server && Settings::value(Settings::Core::Interface).toString().isEmpty()) {
-    m_serverStartIPs = m_networkMonitor->validAddresses();
+    m_serverStartIPs = NetworkMonitor::validAddresses();
     m_serverStartSuggestedIP = m_serverStartIPs.isEmpty() ? "" : m_serverStartIPs.first();
   }
 
@@ -585,7 +585,7 @@ void MainWindow::updateSecurityIcon(bool visible)
 
 void MainWindow::updateNetworkInfo()
 {
-  updateIpLabel(m_networkMonitor->validAddresses());
+  updateIpLabel(NetworkMonitor::validAddresses());
 }
 
 void MainWindow::serverConnectionConfigureClient(const QString &clientName)

src/lib/gui/core/NetworkMonitor.cpp

@@ -52,7 +52,7 @@ void NetworkMonitor::stopMonitoring()
   m_isMonitoring = false;
 }
 
-QStringList NetworkMonitor::validAddresses() const
+QStringList NetworkMonitor::validAddresses()
 {
   QList<QHostAddress> physicalIP4;
   QList<QHostAddress> physicalIP6;

src/lib/gui/core/NetworkMonitor.h

@@ -50,7 +50,7 @@ public:
    * @brief Get list of all available IP addresses (excluding local and link-local addresses)
    * @return IP address list
    */
-  QStringList validAddresses() const;
+  static QStringList validAddresses();
 
   /**
    * @brief Check if a network interface is virtual

src/lib/gui/dialogs/SettingsDialog.cpp

@@ -55,8 +55,8 @@ SettingsDialog::SettingsDialog(QWidget *parent, const IServerConfig &serverConfi
   ui->tabWidget->setCurrentIndex(0);
 
   // Populate the list of IP addresses
-  NetworkMonitor networkMonitor(this);
-  for (const auto &address : networkMonitor.validAddresses()) {
+  const auto validAddresses = NetworkMonitor::validAddresses();
+  for (const auto &address : validAddresses) {
     QString ipString = address;
     if (ui->comboInterface->findText(ipString) == -1) {
       ui->comboInterface->addItem(ipString, ipString);