webpage.h Example File

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  #ifndef WEBPAGE_H
  #define WEBPAGE_H

  #include <QWebEnginePage>

  class WebPage : public QWebEnginePage
  {
      Q_OBJECT

  public:
      WebPage(QWebEngineProfile *profile, QObject *parent = nullptr);

  protected:
      bool certificateError(const QWebEngineCertificateError &error) override;

  private slots:
      void handleAuthenticationRequired(const QUrl &requestUrl, QAuthenticator *auth);
      void handleProxyAuthenticationRequired(const QUrl &requestUrl, QAuthenticator *auth, const QString &proxyHost);
  };

  #endif // WEBPAGE_H