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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QITEMSELECTIONMODEL_P_H
#define QITEMSELECTIONMODEL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "private/qobject_p.h"
QT_BEGIN_NAMESPACE
#ifndef QT_NO_ITEMVIEWS
class QItemSelectionModelPrivate: public QObjectPrivate
{
Q_DECLARE_PUBLIC(QItemSelectionModel)
public:
QItemSelectionModelPrivate()
: model(0),
currentCommand(QItemSelectionModel::NoUpdate),
tableSelected(false), tableColCount(0), tableRowCount(0) {}
QItemSelection expandSelection(const QItemSelection &selection,
QItemSelectionModel::SelectionFlags command) const;
void initModel(QAbstractItemModel *model);
void _q_rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
void _q_columnsAboutToBeRemoved(const QModelIndex &parent, int start, int end);
void _q_rowsAboutToBeInserted(const QModelIndex &parent, int start, int end);
void _q_columnsAboutToBeInserted(const QModelIndex &parent, int start, int end);
void _q_layoutAboutToBeChanged();
void _q_layoutChanged();
inline void remove(QList<QItemSelectionRange> &r)
{
QList<QItemSelectionRange>::const_iterator it = r.constBegin();
for (; it != r.constEnd(); ++it)
ranges.removeAll(*it);
}
inline void finalize()
{
ranges.merge(currentSelection, currentCommand);
if (!currentSelection.isEmpty()) // ### perhaps this should be in QList
currentSelection.clear();
}
QPointer<QAbstractItemModel> model;
QItemSelection ranges;
QItemSelection currentSelection;
QPersistentModelIndex currentIndex;
QItemSelectionModel::SelectionFlags currentCommand;
QList<QPersistentModelIndex> savedPersistentIndexes;
QList<QPersistentModelIndex> savedPersistentCurrentIndexes;
// optimization when all indexes are selected
bool tableSelected;
QPersistentModelIndex tableParent;
int tableColCount, tableRowCount;
};
#endif // QT_NO_ITEMVIEWS
QT_END_NAMESPACE
#endif // QITEMSELECTIONMODEL_P_H
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