MyWidget.cpp

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// ======================================================================
//  MyWidget.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 <QQuickWidget>
#include <QQmlContext>

#include "MyWidget.h"

// ----------------------------------------------------------------------
MyWidget::MyWidget(QWidget* pwgt/*=0*/) : QWidget(pwgt)
{        
    QQuickWidget* pv = new QQuickWidget(QUrl("qrc:/main.qml"));

    QVBoxLayout* pvbx = new QVBoxLayout;
    pvbx->addWidget(pv);
    setLayout(pvbx);

    QQmlContext* pcon = pv->rootContext();
    QStringList lst;
    for (int i = 0; i < 100; ++i) {
        lst << "Item" + QString::number(i);
    }
    QStringListModel* pmodel = new QStringListModel(this);
    pmodel->setStringList(lst);

    pcon->setContextProperty("myModel", pmodel);  
    pcon->setContextProperty("myText", "It's my text!");
    pcon->setContextProperty("myColor", QColor(Qt::yellow));
    pcon->setContextProperty("myWidget", this);
}

// ----------------------------------------------------------------------
void MyWidget::slotDisplayDialog()
{
    QMessageBox::information(0, "Message", "It's my message");
}