main.cpp

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// ======================================================================
//  main.cpp
// ======================================================================
//                   This file is a part of the book 
//             "Qt 5.10 Professional programming with C++"
//                       http://qt-book.com
// ======================================================================
//  Copyright (c) 2017 by Max Schlee
// ======================================================================

#include <QtWidgets>
#include "Printer.h"

// ----------------------------------------------------------------------
int main(int argc, char** argv)
{
    QApplication app(argc, argv);
    QWidget      wgt;

    Printer*     pprinter = new Printer;
    QPushButton* pcmd     = new QPushButton("&Print");

    QObject::connect(pcmd, SIGNAL(clicked()), 
                     pprinter, SLOT(slotPrint())
                    );

    //Layout setup
    QVBoxLayout* pvbxLayout = new QVBoxLayout;    
    pvbxLayout->setContentsMargins(0, 0, 0, 0);
    pvbxLayout->setSpacing(0);
    pvbxLayout->addWidget(pprinter);
    pvbxLayout->addWidget(pcmd);
    wgt.setLayout(pvbxLayout);

    wgt.resize(250, 320);
    wgt.show();

    return app.exec();
}