ComplexData c++ to qml

//*************  ComplexData.h

#ifndef COMPLEXDATA_H
#define COMPLEXDATA_H

#include <QObject>
#include <QString>

class ComplexSubDataA : public QObject
{
    Q_OBJECT

    Q_PROPERTY(QString nameA READ nameA)
    Q_PROPERTY(int numA READ numA)

public:
    ComplexSubDataA(QString name, int num) { m_NameA = name; m_NumA = num; }

    QString nameA() const { return m_NameA; }
    int numA() const { return m_NumA; }

private:
    QString m_NameA;
    int m_NumA;
};

class ComplexSubDataB : public QObject
{
    Q_OBJECT

    Q_PROPERTY(QString nameB READ nameB)
    Q_PROPERTY(int numB READ numB)

public:
    ComplexSubDataB(QString name, int num) { m_NameB = name; m_NumB = num; }

    QString nameB() const { return m_NameB; }
    int numB() const { return m_NumB; }

private:
    QString m_NameB;
    int m_NumB;
};


class ComplexData : public QObject
{
    Q_OBJECT

    explicit ComplexData(QObject *parent = nullptr);

    Q_PROPERTY(QString name READ name)

    Q_PROPERTY(int numA READ numA)
    Q_PROPERTY(int numB READ numB)

    Q_PROPERTY(QList<ComplexSubDataA *> cdAList)
    Q_PROPERTY(QList<ComplexSubDataB *> cdBList)

    Q_PROPERTY(QStringList stringList)

public:
    ComplexData(QString name, int numa, int numb);

    QString name() const { return m_Name; }
    int numA() const { return m_NumA; }
    int numB() const { return m_NumB; }

    QList<ComplexSubDataA *> cdAList() const ;
    void setCDAList(const QList<ComplexSubDataA *> list);

    QList<ComplexSubDataB *> cdBList() const ;
    void setCDBList(const QList<ComplexSubDataB *> list);

    QStringList stringList() const { return m_stringList; }
    void setStringList(QStringList stringList) { m_stringList = stringList; }

private:
    QString m_Name;
    int m_NumA;
    int m_NumB;

    QList<ComplexSubDataA*> m_cdAList;
    QList<ComplexSubDataB*> m_cdBList;

    QStringList m_stringList;
};

#endif // COMPLEXDATA_H

//*************  ComplexData.cpp

#include "complexdata.h"


ComplexData::ComplexData(QObject *parent) : QObject(parent)
{
}

ComplexData::ComplexData(QString name, int numa, int numb)
{
    m_Name = name;
    m_NumA = numa;
    m_NumB = numb;
}


QList<ComplexSubDataA *> ComplexData::cdAList() const
{
    return m_cdAList;
}

void ComplexData::setCDAList(const QList<ComplexSubDataA *> list)
{
    m_cdAList = list;
}


QList<ComplexSubDataB *> ComplexData::cdBList() const
{
    return m_cdBList;
}

void ComplexData::setCDBList(const QList<ComplexSubDataB *> list)
{
    m_cdBList = list;
}

//*************  main.cpp

#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QQmlEngine>
#include <QQmlContext>
#include "complexdata.h"

int main(int argc, char *argv[])
{
    if (qEnvironmentVariableIsEmpty("QTGLESSTREAM_DISPLAY")) {
        qputenv("QT_QPA_EGLFS_PHYSICAL_WIDTH", QByteArray("213"));
        qputenv("QT_QPA_EGLFS_PHYSICAL_HEIGHT", QByteArray("120"));

        QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
    }


    QList<ComplexSubDataA*> cdAList;
    QList<ComplexSubDataB*> cdBList;

    ComplexData *lclComplexDataInfo = new ComplexData("ComplexDataTop", 3, 4);

    ComplexSubDataA dataA1("1stDataA", 5);
    ComplexSubDataA dataA2("2ndDataA", 7);
    ComplexSubDataA dataA3("3rdDataA", 2);
    cdAList.append(&dataA1);
    cdAList.append(&dataA2);
    cdAList.append(&dataA3);

    ComplexSubDataB dataB1("1stDataB", 5);
    ComplexSubDataB dataB2("2ndDataB", 7);
    ComplexSubDataB dataB3("3rdDataB", 2);
    ComplexSubDataB dataB4("4thDataB", 27);
    cdBList.append(&dataB1);
    cdBList.append(&dataB2);
    cdBList.append(&dataB3);
    cdBList.append(&dataB4);

    lclComplexDataInfo->setCDAList(cdAList);
    lclComplexDataInfo->setCDBList(cdBList);

    QStringList stringInputList;

    stringInputList.append("string1");
    stringInputList.append("string2");
    stringInputList.append("string3");
    stringInputList.append("string4");
    stringInputList.append("string5");

    lclComplexDataInfo->setStringList(stringInputList);

    // qml accessible objects from CanNodeInfo.h
    qmlRegisterUncreatableType<ComplexData>("ComplexDataInfo", 1, 0, "ComplexDataInfo",
       QStringLiteral("ComplexData should not be created in QML."));
    qmlRegisterUncreatableType<ComplexSubDataB>("ComplexSubA", 1, 0, "ComplexSubA",
       QStringLiteral("ComplexSubDataA should not be created in QML."));
    qmlRegisterUncreatableType<ComplexSubDataA>("ComplexSubB", 1, 0, "ComplexSubB",
       QStringLiteral("ComplexSubDataB should not be created in QML."));

    QGuiApplication app(argc, argv);

    QQmlApplicationEngine engine;

    const QUrl url(QStringLiteral("qrc:/main.qml"));
    QObject::connect(&engine, &QQmlApplicationEngine::objectCreated,
                     &app, [url](QObject *obj, const QUrl &objUrl) {
        if (!obj && url == objUrl)
            QCoreApplication::exit(-1);
    }, Qt::QueuedConnection);

    engine.rootContext()->setContextProperty(QStringLiteral("ComplexDataList"), QVariant::fromValue(lclComplexDataInfo));

    engine.load(url);

    return app.exec();
}

//*************  main.qml

import QtQuick 2.15
import QtQuick.Window 2.15
import QtQuick.Controls 2.5
import QtQuick.Layouts 1.3

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Complex Data Test")

    ComboBox {
        id: axisComboBox
        objectName: "objComplexComboBox"
        x: 100
        y: 10
        width: 180
        height: 65

        model: ComplexDataList

        textRole: "name"

        delegate: ItemDelegate {
            id: complexDataSelectorName

            Text {
                id: complexName
                text: name
            }
        }

        Component.onCompleted: currentIndex = 1;

        onCurrentIndexChanged: {
            ComplexDataList.model = model.sensorsList;

            print("");
            print("");
            print("ComplexComboBox", model)
            print(" currentIndex", currentIndex)
            print("axisComboBox.model", axisComboBox.model);
            print("name", axisComboBox.model.name);
            print("numA", axisComboBox.model.numA);
            print("numB", axisComboBox.model.numB);

            print("StringList", axisComboBox.model.stringList)
            print("StringList.length", axisComboBox.model.stringList.length)

            print("ComplexAList", axisComboBox.model.cdAList);
            print("ComplexAList.length", axisComboBox.model.cdAList.length);
            print("ComplexAList.numA", axisComboBox.model.cdAList.numA);

            print("ComplexBList", axisComboBox.model.cdBList);
            print("ComplexBList.numB", axisComboBox.model.cdBList[0].numB);
         }
    }
}