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++ // Copyright (C) 2021 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
++
++ #include <QMainWindow>
++ #include <QApplication>
++ #include <QVBoxLayout>
++ #include <QLineEdit>
++ #include <QStatusBar>
++ #include <QMenuBar>
++ #include <QMenu>
++ #include <QAction>
++
++ #include <QQmlError>
++ #include <QQuickView>
++
++ class MainWindow : public QMainWindow {
++ Q_OBJECT
++ public:
++ MainWindow();
++
++ private slots:
++ void quickViewStatusChanged(QQuickView::Status);
++ void sceneGraphError(QQuickWindow::SceneGraphError error, const QString &message);
++
++ private:
++ QQuickView *m_quickView;
++ };
++
++ //! [ctor]
++ MainWindow::MainWindow()
++ : m_quickView(new QQuickView)
++ {
++ QWidget *centralWidget = new QWidget(this);
++ QVBoxLayout *layout = new QVBoxLayout(centralWidget);
++
++ m_quickView->setResizeMode(QQuickView::SizeRootObjectToView);
++ connect(m_quickView, &QQuickView::statusChanged,
++ this, &MainWindow::quickViewStatusChanged);
++ connect(m_quickView, &QQuickWindow::sceneGraphError,
++ this, &MainWindow::sceneGraphError);
++ m_quickView->loadFromModule("embeddedinwidgets", "Main");
++
++ QWidget *container = QWidget::createWindowContainer(m_quickView);
++ container->setMinimumSize(m_quickView->size());
++ container->setFocusPolicy(Qt::TabFocus);
++
++ layout->addWidget(new QLineEdit(QStringLiteral("A QLineEdit")));
++ layout->addWidget(container);
++ layout->addWidget(new QLineEdit(QStringLiteral("A QLineEdit")));
++ setCentralWidget(centralWidget);
++
++ QMenu *fileMenu = menuBar()->addMenu(tr("File"));
++ fileMenu->addAction(tr("Quit"), qApp, &QCoreApplication::quit);
++ }
++ //! [ctor]
++
++ void MainWindow::quickViewStatusChanged(QQuickView::Status status)
++ {
++ if (status == QQuickView::Error) {
++ QStringList errors;
++ const auto viewErrors = m_quickView->errors();
++ for (const QQmlError &error : viewErrors)
++ errors.append(error.toString());
++ statusBar()->showMessage(errors.join(QStringLiteral(", ")));
++ }
++ }
++
++ void MainWindow::sceneGraphError(QQuickWindow::SceneGraphError, const QString &message)
++ {
++ statusBar()->showMessage(message);
++ }
++
++ int main(int argc, char **argv)
++ {
++ QApplication app(argc, argv);
++
++ MainWindow mainWindow;
++ mainWindow.show();
++
++ return app.exec();
++ }
++
++ #include "main.moc"