webview.h Example File

webenginewidgets/demobrowser/webview.h

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  #ifndef WEBVIEW_H
  #define WEBVIEW_H

  #include <QIcon>
  #include <QWebEngineView>

  class QAuthenticator;
  class QMouseEvent;
  class QNetworkProxy;
  class QNetworkReply;
  class QSslError;

  class BrowserMainWindow;
  class WebPage : public QWebEnginePage {
      Q_OBJECT
  public:
      WebPage(QWebEngineProfile *profile, QObject *parent = 0);
      BrowserMainWindow *mainWindow();

  protected:
      QWebEnginePage *createWindow(QWebEnginePage::WebWindowType type) Q_DECL_OVERRIDE;
  #if !defined(QT_NO_UITOOLS)
      QObject *createPlugin(const QString &classId, const QUrl &url, const QStringList &paramNames, const QStringList &paramValues);
  #endif
      virtual bool certificateError(const QWebEngineCertificateError &error) Q_DECL_OVERRIDE;

  private slots:
  #if defined(QWEBENGINEPAGE_UNSUPPORTEDCONTENT)
      void handleUnsupportedContent(QNetworkReply *reply);
  #endif
      void authenticationRequired(const QUrl &requestUrl, QAuthenticator *auth);
      void proxyAuthenticationRequired(const QUrl &requestUrl, QAuthenticator *auth, const QString &proxyHost);

  private:
      friend class WebView;

      // set the webview mousepressedevent
      Qt::KeyboardModifiers m_keyboardModifiers;
      Qt::MouseButtons m_pressedButtons;
  };

  class WebView : public QWebEngineView {
      Q_OBJECT

  public:
      WebView(QWidget *parent = 0);
      WebPage *webPage() const { return m_page; }
      void setPage(WebPage *page);

      void loadUrl(const QUrl &url);
      QUrl url() const;

      QString lastStatusBarText() const;
      inline int progress() const { return m_progress; }

  protected:
      void mousePressEvent(QMouseEvent *event);
      void mouseReleaseEvent(QMouseEvent *event);
      void contextMenuEvent(QContextMenuEvent *event);
      void wheelEvent(QWheelEvent *event);

  private slots:
      void setProgress(int progress);
      void loadFinished(bool success);
      void setStatusBarText(const QString &string);
      void openLinkInNewTab();
      void onFeaturePermissionRequested(const QUrl &securityOrigin, QWebEnginePage::Feature);
      void onIconChanged(const QIcon &icon);

  private:
      QString m_statusBarText;
      QUrl m_initialUrl;
      int m_progress;
      WebPage *m_page;
  };

  #endif