mainwindow.cpp Example File

webenginewidgets/maps/mainwindow.cpp
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 #include "mainwindow.h"

 #include <QMessageBox>

 MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent)
     , m_view(new QWebEngineView(this))
 {
     setCentralWidget(m_view);

     QWebEnginePage *page = m_view->page();

     connect(page, &QWebEnginePage::featurePermissionRequested,
             [this, page](const QUrl &securityOrigin, QWebEnginePage::Feature feature) {
         if (feature != QWebEnginePage::Geolocation)
             return;

         QMessageBox msgBox(this);
         msgBox.setText(tr("%1 wants to know your location").arg(securityOrigin.host()));
         msgBox.setInformativeText(tr("Do you want to send your current location to this website?"));
         msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
         msgBox.setDefaultButton(QMessageBox::Yes);

         if (msgBox.exec() == QMessageBox::Yes) {
             page->setFeaturePermission(
                 securityOrigin, feature, QWebEnginePage::PermissionGrantedByUser);
         } else {
             page->setFeaturePermission(
                 securityOrigin, feature, QWebEnginePage::PermissionDeniedByUser);
         }
     });

     page->load(QUrl(QStringLiteral("https://maps.google.com")));
 }