main.cpp 范例文件

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#include <QApplication>
#ifndef QT_NO_SYSTEMTRAYICON
#include <QMessageBox>
#include "window.h"
int main(int argc, char *argv[])
{
    Q_INIT_RESOURCE(systray);
    QApplication app(argc, argv);
    if (!QSystemTrayIcon::isSystemTrayAvailable()) {
        QMessageBox::critical(0, QObject::tr("Systray"),
                              QObject::tr("I couldn't detect any system tray "
                                          "on this system."));
        return 1;
    }
    QApplication::setQuitOnLastWindowClosed(false);
    Window window;
    window.show();
    return app.exec();
}
#else
#include <QLabel>
#include <QDebug>
int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    QString text("QSystemTrayIcon is not supported on this platform");
    QLabel *label = new QLabel(text);
    label->setWordWrap(true);
    label->show();
    qDebug() << text;
    app.exec();
}
#endif