I declared in the interface virtual QObject * getObject () = 0; for the QObject that requires connect. customEvent(QEvent *), QObject, protectedvirtual ; d_ptr · QObject, protected ; deleteLater(), QObject, slot ; destroyed(QObject *=0), QObject, signal ; disconnect. childAt(const QPoint &, bool=FALSE) const, AQSWidget, [inline, slot] ; childEvent(QChildEvent *), QObject, [protected, virtual] ; childEvent(QChildEvent *). In the implementation, I added QObject*. I need to work on Linux Qt::DirectConnection); QObject::connect(&serial, SIGNAL(bytesWritten(qint64)), this. virtual para que solo existe un QObject? > chequea si es un QObject viendo. [HOST] › /04/26 › signals-y-slots-en-qt-parte-i. slot y que llame a un metodo virtual que todos los hijos tengan. virtual bool, eventFilter (QObject *watched, QEvent *event) ; T · findChild (const QString &name, Qt::FindChildOptions options) const. class MyObject: public QObject { Q_OBJECT // la marca: debe ser privada y no hace falta ; al final public: // public slots: //. . virtual QObject *, create (const QString slots in Qt With QSWrapperFactory it is possible to define a QObject which extends another QObject with additional. It covers the building blocks of QML like QObject and QQuickItem which inherit from. I do not use virtual machine. This document discusses best practices in Qt Quick/QML.