- connect(QtUi::mainWindow()->systemTray(), SIGNAL(activated(SystemTray::ActivationReason)),
- SLOT(notificationActivated(SystemTray::ActivationReason)));
+ connect(QtUi::mainWindow()->systemTray(), &SystemTray::activated,
+ this, selectOverload<SystemTray::ActivationReason>(&KNotificationBackend::notificationActivated));