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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtCore 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 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 qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef __RIVER__H__
#define __RIVER__H__
#include <QtCore/QDirIterator>
#include <QtGui/QGraphicsWidget>
#include "menu.h"
class RiverItem;
class River : public QGraphicsWidget
{
Q_OBJECT
public:
enum Mode
{
RiverMode,
GridMode,
GridFullScreenMode,
CoverMode
};
River(const QString &path);
void addUnusedRiverItem(RiverItem * item);
static QSize fixedSize();
void switchPaused();
void setMode(Mode m);
Mode mode() const;
Menu *menu;
protected:
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
void keyPressEvent ( QKeyEvent * keyEvent );
void makeCenterAvailable(qreal size);
QPointF gridItemPosition(int row, int col) const;
QPixmap pixmap(int index) const;
protected slots:
void animationFinished();
public slots:
void setRiverMode();
void setGridMode();
void setCoverMode();
private:
const QFileInfoList m_images;
int m_currentImage;
mutable QVector<QPixmap> m_pixmaps;
QHash<int, RiverItem*> m_items;
QList<RiverItem*> m_gridItem;
QList<QItemAnimation*> m_pausedAnimations;
Mode m_mode;
void adjustGrid(int topRight);
RiverItem *currentItem() { return m_items.value(m_selectedItem); }
RiverItem *createItem(int imageIndex);
void setCurrentItem(int currentItem);
void navigateBy(int offset);
int m_selectedItem;
int m_topLeftIndex;
};
#endif //__RIVERITEM__H__
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