C++ TrayIcon::enableShutdownMenu方法代码示例

//.........这里部分代码省略.........
            dlg->setApplicationPath(settings.value("ApplicationPath").toString());
            dlg->setModal(true);
            ok = dlg->exec();

            QString browsercommand = dlg->getBrowserCommand();
            QString pythonpath = dlg->getPythonPath();
            QString applicationpath = dlg->getApplicationPath();

            if (ok)
            {
                settings.setValue("BrowserCommand", browsercommand);
                settings.setValue("PythonPath", pythonpath);
                settings.setValue("ApplicationPath", applicationpath);
                settings.sync();
            }
            else
            {
                exit(1);
            }

            delete server;
        }
        else
            done = true;
    }

    // Ensure the server gets cleaned up later
    QObject::connect(server, SIGNAL(finished()), server, SLOT(deleteLater()));

    // Generate the app server URL
    QString appServerUrl = QString("http://127.0.0.1:%1/?key=%2").arg(port).arg(key);

    // Read the server connection timeout from the registry or set the default timeout.
    int timeout = settings.value("ConnectionTimeout", 30).toInt();

    // Now the server should be up, we'll attempt to connect and get a response.
    // We'll retry in a loop a few time before aborting if necessary.

    QTime endTime = QTime::currentTime().addSecs(timeout);
    bool alive = false;

    while(QTime::currentTime() <= endTime)
    {
        alive = PingServer(QUrl(appServerUrl));

        if (alive)
        {
            break;
        }

        delay(200);
    }

    // Attempt to connect one more time in case of a long network timeout while looping
    if (!alive && !PingServer(QUrl(appServerUrl)))
    {
        splash->finish(NULL);
        QString error(QWidget::tr("The application server could not be contacted."));
        QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);

        exit(1);
    }

    // Stash the URL for any duplicate processes to open
    if (addrFile.open(QIODevice::WriteOnly))
    {
        addrFile.setPermissions(QFile::ReadOwner|QFile::WriteOwner);
        QTextStream out(&addrFile);
        out << appServerUrl << endl;
    }

    // Go!
    trayicon->setAppServerUrl(appServerUrl);
    // Enable the shutdown server menu as server started successfully.
    trayicon->enableShutdownMenu();

    QString cmd = settings.value("BrowserCommand").toString();

    if (!cmd.isEmpty())
    {
        cmd.replace("%URL%", appServerUrl);
        QProcess::startDetached(cmd);
    }
    else
    {
        if (!QDesktopServices::openUrl(appServerUrl))
        {
            QString error(QWidget::tr("Failed to open the system default web browser. Is one installed?."));
            QMessageBox::critical(NULL, QString(QWidget::tr("Fatal Error")), error);

            exit(1);
        }
    }

    QObject::connect(trayicon, SIGNAL(shutdownSignal(QUrl)), server, SLOT(shutdown(QUrl)));

    splash->finish(NULL);

    return app.exec();
}