#include <qapplication.h>#include <qpushbutton.h>#include "tripserver.h"int main(int argc, char *argv[]){    QApplication app(argc, argv);    TripServer server;    if (!server.ok()) {        qWarning("Failed to bind to port");        return 1;    }    QPushButton quitButton(QObject::tr("&Quit"), 0);    quitButton.setCaption(QObject::tr("Trip Server"));    app.setMainWidget(&quitButton);    QObject::connect(&quitButton, SIGNAL(clicked()),                     &app, SLOT(quit()));    quitButton.show();    return app.exec();}