MouseFilter.cpp

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// ======================================================================
//  MouseFilter.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"

// ----------------------------------------------------------------------
MouseFilter::MouseFilter(QObject* pobj/*= 0*/) 
    : QObject(pobj)
{
}

// ----------------------------------------------------------------------
/*virtual*/bool MouseFilter::eventFilter(QObject* pobj, QEvent* pe)
{
    if (pe->type() == QEvent::MouseButtonPress) {
        if (static_cast<QMouseEvent*>(pe)->button() == Qt::LeftButton) {
            QString strClassName = pobj->metaObject()->className();
            QMessageBox::information(0, "Class Name", strClassName);
            return true;
        }
    }
    return false;
}