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main.cpp Example File
tutorial/t4/main.cpp

    /****************************************************************
    **
    ** Qt tutorial 4
    **
    ****************************************************************/

    #include <QApplication>
    #include <QFont>
    #include <QPushButton>

    class MyWidget : public QWidget
    {
    public:
        MyWidget(QWidget *parent = 0);
    };

    MyWidget::MyWidget(QWidget *parent)
        : QWidget(parent)
    {
        setFixedSize(200, 120);

        QPushButton *quit = new QPushButton("Quit", this);
        quit->setGeometry(62, 40, 75, 30);
        quit->setFont(QFont("Times", 18, QFont::Bold));

        connect(quit, SIGNAL(clicked()), qApp, SLOT(quit()));
    }

    int main(int argc, char *argv[])
    {
        QApplication app(argc, argv);
        MyWidget widget;
        app.setMainWidget(&widget);
        widget.show();
        return app.exec();
    }


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Qt 4.0.0-b1