/*
  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License
  as published by the Free Software Foundation; either version
  2 of the License, or (at your option) any later version.
*/

#ifndef PICTUREVIEWER2_H
#define PICTUREVIEWER2_H

#include <QGraphicsView>
#include <QList>
#include <QVariant>

class QGraphicsScene;
class QGraphicsPixmapItem;
class QWheelEvent;

typedef QList<QVariant> PicData;
typedef QList<QList<QVariant> > PicDataList;

class PictureViewer2 : public QGraphicsView {
    Q_OBJECT
    public:
        explicit PictureViewer2(QWidget *parent = 0);
        void addFiles(const PicDataList &files, bool clear = true);
        void setFile(const PicData &file);
        virtual QSize sizeHint() const;

    public slots:
        void next();
        void previous();

    protected:
        void wheelEvent(QWheelEvent *event);

    private slots:
        void showFile(const PicData &file);

    private:
        void setupDialog();
        void setCurPalette(const QPixmap &pic);
        void position();
        PicDataList mFiles;
        QGraphicsScene *mScene;
        QSize mMinimunSize;
        QGraphicsPixmapItem *mCur;
        int mCurPos;
        const QString mDefaultFile;
};

#endif // PICTUREVIEWER2_H