- Qt 5.5
- Qt WebEngine Widgets
- WebEngine Tab Browser Example
- browsermainwindow.h Example File
- Qt 5.5.1 Reference Documentation

# browsermainwindow.h Example File

browser/browsermainwindow.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.
    **
    ** $QT_BEGIN_LICENSE:LGPL$
    ** 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 http://www.qt.io/terms-conditions. For further
    ** 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 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.LGPL included in the
    ** packaging of this file. Please review the following information to
    ** ensure the GNU Lesser General Public License version 2.1 requirements
    ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    **
    ** As a special exception, The Qt Company gives you certain additional
    ** rights. These rights are described in The Qt Company LGPL Exception
    ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
    **
    ** GNU General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU
    ** General Public License version 3.0 as published by the Free Software
    ** Foundation and appearing in the file LICENSE.GPL included in the
    ** packaging of this file. Please review the following information to
    ** ensure the GNU General Public License version 3.0 requirements will be
    ** met: http://www.gnu.org/copyleft/gpl.html.
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    ****************************************************************************/

    #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 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();

    #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;
        friend class BrowserApplication;
    };

    #endif // BROWSERMAINWINDOW_H