/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Assistant 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
** a written agreement between you and Digia. For licensing terms and
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** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
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****************************************************************************/

#ifndef CONTENTWINDOW_H
#define CONTENTWINDOW_H

#include <QtCore/QUrl>
#include <QtCore/QModelIndex>
#include <QtWidgets/QWidget>

QT_BEGIN_NAMESPACE

class QHelpEngine;
class QHelpContentItem;
class QHelpContentWidget;

class ContentWindow : public QWidget
{
    Q_OBJECT

public:
    ContentWindow();
    ~ContentWindow();

    bool syncToContent(const QUrl &url);
    void expandToDepth(int depth);

signals:
    void linkActivated(const QUrl &link);
    void escapePressed();

private slots:
    void showContextMenu(const QPoint &pos);
    void expandTOC();
    void itemClicked(const QModelIndex &index);

private:
    void focusInEvent(QFocusEvent *e);
    void keyPressEvent(QKeyEvent *e);
    bool eventFilter(QObject *o, QEvent *e);

    QHelpContentWidget * const m_contentWidget;
    int m_expandDepth;
};

QT_END_NAMESPACE

#endif // CONTENTWINDOW_H
