Test of https://stackoverflow.com/questions/52561014/qt-c-click-and-double-click-on-qtableview

main.cpp

#include <QApplication>
#include <QTableView>
#include <QDebug>
#include <QStandardItemModel>

class MyEventReceiver: public QObject{
public:
    using QObject::QObject;
public slots:
    void onClick(const QModelIndex & index){
        qDebug()<<__PRETTY_FUNCTION__ << index;
    }
    void onDoubleClick(const QModelIndex & index){
        qDebug()<<__PRETTY_FUNCTION__ << index;
    }
};

class FooTableView: public QTableView
{
public:
    FooTableView(QWidget *parent=nullptr):
        QTableView(parent),
        receiver(new MyEventReceiver(this))
    {
        connect(this, &QTableView::clicked, receiver, &MyEventReceiver::onClick);
        connect(this, &QTableView::doubleClicked, receiver, &MyEventReceiver::onDoubleClick);
    }
private:
    MyEventReceiver *receiver;
};

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    FooTableView w;
    QStandardItemModel model(4, 4);
    w.setModel(&model);
    w.show();

    return a.exec();
}