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 "MouseFilter.h"

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

    QLineEdit txt("QLineEdit");
    txt.installEventFilter(new MouseFilter(&txt));
    txt.show();

    QLabel lbl("QLabel");
    lbl.installEventFilter(new MouseFilter(&lbl));    
    lbl.show();

    QPushButton cmd("QPushButton");
    cmd.installEventFilter(new MouseFilter(&cmd));    
    cmd.show();

    return app.exec();
}