Qt 5.7 | Qt WebEngine | WebEngine Widgets Simple Browser Example | tabwidget.h Example File

Qt 5.7.1 Reference Documentation

# tabwidget.h Example File

webenginewidgets/simplebrowser/tabwidget.h

      /****************************************************************************
      **
      ** Copyright (C) 2016 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** You may use this file under the terms of the BSD license as follows:
      **
      ** "Redistribution and use in source and binary forms, with or without
      ** modification, are permitted provided that the following conditions are
      ** met:
      **   * Redistributions of source code must retain the above copyright
      **     notice, this list of conditions and the following disclaimer.
      **   * Redistributions in binary form must reproduce the above copyright
      **     notice, this list of conditions and the following disclaimer in
      **     the documentation and/or other materials provided with the
      **     distribution.
      **   * Neither the name of The Qt Company Ltd nor the names of its
      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
      **
      **
      ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      #ifndef TABWIDGET_H
      #define TABWIDGET_H

      #include <QTabWidget>
      #include <QWebEnginePage>

      class QUrl;

      class WebView;

      class TabWidget : public QTabWidget
      {
          Q_OBJECT

      public:
          TabWidget(QWidget *parent = nullptr);
          ~TabWidget();

          WebView *currentWebView() const;

      signals:
          // current tab/page signals
          void linkHovered(const QString &link);
          void loadProgress(int progress);
          void titleChanged(const QString &title);
          void urlChanged(const QUrl &url);
          void iconChanged(const QIcon &icon);
          void webActionEnabledChanged(QWebEnginePage::WebAction action, bool enabled);

      public slots:
          // current tab/page slots
          void setUrl(const QUrl &url);
          void triggerWebPageAction(QWebEnginePage::WebAction action);

          WebView *createTab(bool makeCurrent = true);
          void closeTab(int index);
          void nextTab();
          void previousTab();

      private slots:
          void handleCurrentChanged(int index);
          void handleContextMenuRequested(const QPoint &pos);
          void cloneTab(int index);
          void closeOtherTabs(int index);
          void reloadAllTabs();
          void reloadTab(int index);

      private:
          WebView *webView(int index) const;
          void setupView(WebView *webView);
      };

      #endif // TABWIDGET_H