webview.h Example File | Qt WebKit Examples 5.9

Qt 5.9 | Qt WebKit Examples | Tab Browser | webview.h Example File

Qt 5.9.2 Reference Documentation

# webview.h Example File

webkitwidgets/browser/webview.h

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the demonstration applications of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:LGPL21$
      ** Commercial License Usage
      ** Licensees holding valid commercial Qt licenses may use this file in
      ** accordance with the commercial license agreement provided with the
      ** Software or, alternatively, in accordance with the terms contained in
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      ** information use the contact form at http://www.qt.io/contact-us.
      **
      ** GNU Lesser General Public License Usage
      ** Alternatively, this file may be used under the terms of the GNU Lesser
      ** General Public License version 2.1 or version 3 as published by the Free
      ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
      ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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      #ifndef WEBVIEW_H
      #define WEBVIEW_H

      #include <QWebView>

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

      class BrowserMainWindow;
      class WebPage : public QWebPage {
          Q_OBJECT

      signals:
          void loadingUrl(const QUrl &url);

      public:
          WebPage(QObject *parent = 0);
          BrowserMainWindow *mainWindow();

      protected:
          bool acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type);
          QWebPage *createWindow(QWebPage::WebWindowType type);
      #if !defined(QT_NO_UITOOLS)
          QObject *createPlugin(const QString &classId, const QUrl &url, const QStringList &paramNames, const QStringList &paramValues);
      #endif

      private slots:
          void handleUnsupportedContent(QNetworkReply *reply);

      private:
          friend class WebView;

          // set the webview mousepressedevent
          Qt::KeyboardModifiers m_keyboardModifiers;
          Qt::MouseButtons m_pressedButtons;
          bool m_openInNewTab;
          QUrl m_loadingUrl;
      };

      class WebView : public QWebView {
          Q_OBJECT

      public:
          WebView(QWidget *parent = 0);
          WebPage *webPage() const { return m_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();
          void setStatusBarText(const QString &string);
          void downloadRequested(const QNetworkRequest &request);
          void openLinkInNewTab();

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

      #endif