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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Assistant of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QHELPCONTENTWIDGET_H
#define QHELPCONTENTWIDGET_H
#include <QtHelp/qhelp_global.h>
#include <QtCore/QQueue>
#include <QtCore/QString>
#include <QtGui/QTreeView>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Help)
class QHelpEnginePrivate;
class QHelpDBReader;
class QHelpContentItemPrivate;
class QHelpContentModelPrivate;
class QHelpEngine;
class QHelpContentProvider;
class QHELP_EXPORT QHelpContentItem
{
public:
~QHelpContentItem();
QHelpContentItem *child(int row) const;
int childCount() const;
QString title() const;
QUrl url() const;
int row() const;
QHelpContentItem *parent() const;
int childPosition(QHelpContentItem *child) const;
private:
QHelpContentItem(const QString &name, const QString &link,
QHelpDBReader *reader, QHelpContentItem *parent = 0);
void appendChild(QHelpContentItem *child);
QHelpContentItemPrivate *d;
friend class QHelpContentProvider;
};
class QHELP_EXPORT QHelpContentModel : public QAbstractItemModel
{
Q_OBJECT
public:
~QHelpContentModel();
void createContents(const QString &customFilterName);
QHelpContentItem *contentItemAt(const QModelIndex &index) const;
QVariant data(const QModelIndex &index, int role) const;
QModelIndex index(int row, int column,
const QModelIndex &parent = QModelIndex()) const;
QModelIndex parent(const QModelIndex &index) const;
int rowCount(const QModelIndex &parent = QModelIndex()) const;
int columnCount(const QModelIndex &parent = QModelIndex()) const;
bool isCreatingContents() const;
Q_SIGNALS:
void contentsCreationStarted();
void contentsCreated();
private Q_SLOTS:
void insertContents();
void invalidateContents(bool onShutDown = false);
private:
QHelpContentModel(QHelpEnginePrivate *helpEngine);
QHelpContentModelPrivate *d;
friend class QHelpEnginePrivate;
};
class QHELP_EXPORT QHelpContentWidget : public QTreeView
{
Q_OBJECT
public:
QModelIndex indexOf(const QUrl &link);
Q_SIGNALS:
void linkActivated(const QUrl &link);
private Q_SLOTS:
void showLink(const QModelIndex &index);
private:
bool searchContentItem(QHelpContentModel *model,
const QModelIndex &parent, const QString &path);
QModelIndex m_syncIndex;
private:
QHelpContentWidget();
friend class QHelpEngine;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
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