gistfile1.cpp

QWebView *MuWebView::createWindow(QWebPage::WebWindowType type) {
    Q_UNUSED(type)

    QWebView* webView = new QWebView;
    QWebPage* webPage = new QWebPage(webView);

    webView->setWindowModality(Qt::ApplicationModal);
    webView->setAttribute(Qt::WA_DeleteOnClose, true);
    webView->setPage(webPage);

    connect(webPage, &QWebPage::printRequested, [&](QWebFrame *frame) {
        if (!frame) {
            return;
        }

        QPrintPreviewDialog* printPreviewDialog = new QPrintPreviewDialog();

        connect(printPreviewDialog, &QPrintPreviewDialog::paintRequested, [&](QPrinter* printer){
            frame->print(printer);
        });

        printPreviewDialog->exec();
        printPreviewDialog->disconnect();
        printPreviewDialog->deleteLater();
    });

    webView->show();
    return webView;
}