disconnect(_trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
_trayIcon, SLOT(activateOrHide(QSystemTrayIcon::ActivationReason)));
#endif
disconnect(_trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
_trayIcon, SLOT(activateOrHide(QSystemTrayIcon::ActivationReason)));
#endif