Qt 5.7 | Qt WebEngine | WebEngine Demo Browser Example | webview.h Example File

Qt 5.7.1 Reference Documentation

# 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