browsermainwindow.h Example File

webenginewidgets/demobrowser/browsermainwindow.h

  /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the demonstration applications of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:BSD$
  ** 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
  ** a written agreement between you and The Qt Company. For licensing terms
  ** and conditions see https://www.qt.io/terms-conditions. For further
  ** information use the contact form at https://www.qt.io/contact-us.
  **
  ** BSD License Usage
  ** Alternatively, 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 BROWSERMAINWINDOW_H
  #define BROWSERMAINWINDOW_H

  #include <QtWidgets/QMainWindow>
  #include <QtGui/QIcon>
  #include <QtCore/QUrl>

  class QWebEngineFrame;

  class AutoSaver;
  class BookmarksToolBar;
  class ChaseWidget;
  class TabWidget;
  class ToolbarSearch;
  class WebView;

  /*!
      The MainWindow of the Browser Application.

      Handles the tab widget and all the actions
   */
  class BrowserMainWindow : public QMainWindow {
      Q_OBJECT

  public:
      BrowserMainWindow(QWidget *parent = 0, Qt::WindowFlags flags = 0);
      ~BrowserMainWindow();
      QSize sizeHint() const;

      static const char *defaultHome;

  public:
      TabWidget *tabWidget() const;
      WebView *currentTab() const;
      QByteArray saveState(bool withTabs = true) const;
      bool restoreState(const QByteArray &state);
      Q_INVOKABLE void runScriptOnOpenViews(const QString &);

  public slots:
      void loadPage(const QString &url);
      void slotHome();

  protected:
      void closeEvent(QCloseEvent *event);

  private slots:
      void save();

      void slotLoadProgress(int);
      void slotUpdateStatusbar(const QString &string);
      void slotUpdateWindowTitle(const QString &title = QString());

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

      void slotFileNew();
      void slotFileOpen();
      void slotFilePrintPreview();
      void slotFilePrint();
      void slotFilePrintToPDF();
      void slotPrivateBrowsing();
      void slotFileSaveAs();
      void slotEditFind();
      void slotEditFindNext();
      void slotEditFindPrevious();
      void slotShowBookmarksDialog();
      void slotAddBookmark();
      void slotViewZoomIn();
      void slotViewZoomOut();
      void slotViewResetZoom();
      void slotViewToolbar();
      void slotViewBookmarksBar();
      void slotViewStatusbar();
      void slotViewPageSource();
      void slotViewFullScreen(bool enable);

      void slotWebSearch();
      void slotToggleInspector(bool enable);
      void slotAboutApplication();
      void slotDownloadManager();
      void slotSelectLineEdit();

      void slotAboutToShowBackMenu();
      void slotAboutToShowForwardMenu();
      void slotAboutToShowWindowMenu();
      void slotOpenActionUrl(QAction *action);
      void slotShowWindow();
      void slotSwapFocus();
      void slotHandlePdfPrinted(const QByteArray&);

  #if defined(QWEBENGINEPAGE_PRINT)
      void printRequested(QWebEngineFrame *frame);
  #endif
      void geometryChangeRequested(const QRect &geometry);
      void updateToolbarActionText(bool visible);
      void updateBookmarksToolbarActionText(bool visible);

  private:
      void loadDefaultState();
      void setupMenu();
      void setupToolBar();
      void updateStatusbarActionText(bool visible);
      void handleFindTextResult(bool found);

  private:
      QToolBar *m_navigationBar;
      ToolbarSearch *m_toolbarSearch;
      BookmarksToolBar *m_bookmarksToolbar;
      ChaseWidget *m_chaseWidget;
      TabWidget *m_tabWidget;
      AutoSaver *m_autoSaver;

      QAction *m_historyBack;
      QMenu *m_historyBackMenu;
      QAction *m_historyForward;
      QMenu *m_historyForwardMenu;
      QMenu *m_windowMenu;

      QAction *m_stop;
      QAction *m_reload;
      QAction *m_stopReload;
      QAction *m_viewToolbar;
      QAction *m_viewBookmarkBar;
      QAction *m_viewStatusbar;
      QAction *m_restoreLastSession;
      QAction *m_addBookmark;

      QIcon m_reloadIcon;
      QIcon m_stopIcon;

      QString m_lastSearch;
      QString m_printerOutputFileName;
      friend class BrowserApplication;
  };

  #endif // BROWSERMAINWINDOW_H