#ifndef VIEWPORT_H
#define VIEWPORT_H
#include <QtGui/QFrame>
#include <QtGui/QResizeEvent>
#include <QtCore/QMap>

QT_FORWARD_DECLARE_CLASS(QGraphicsView)
QT_FORWARD_DECLARE_CLASS(QLabel)
QT_FORWARD_DECLARE_CLASS(QSlider)
QT_FORWARD_DECLARE_CLASS(QToolButton)
QT_FORWARD_DECLARE_CLASS(QUndoStack)
QT_FORWARD_DECLARE_CLASS(QGraphicsScene)

#include "mytypes.h"
using namespace VPrn;



class ViewPort : public QFrame
{
    Q_OBJECT
public:
    ViewPort (QWidget *parent = 0);
    /**
      * @fn void showThumbNail(bool thumb,QSize t_size);
      * @brief ???????? ?????? ??????????? ?????? ????????
      * @param thumb;(true/false) ???./???? ????? "????????"
      * @param t_size; ?????? ??????? ????????
      */
    void showThumbNail(bool thumb,QSize t_size);
    /**
      * @fn void setPixMapList(PixmapList pList);
      * @brief ?????? ?????? ???????? ??? ??????????? ? ???? <int,QPixmap>
      */
    void setPixMapList(PixmapList pList);

    void setDescList(PixmapDescList descImagesList);
signals:
    /**
      * @fn void selectPixmap(int p_number);
      * @brief ?????? ????? ????? ????????? "???????"
      */
    void selectPixmap(int p_number);
public slots:
    void showPage(int p_number);

    /**
      * @fn void setupMatrix(int zoom);
      * @brief ????????? ???????? ???????????
      */
    void setupMatrix(int zoom);

    void zoomToFullSize();
    void zoomToFit();

private slots:
    /**
      * @fn void onSceneSecletionChnaged();
      * @brief ??? ?????? ?? ????? ??????? ???????, ??????????? ??? ????????:
      * - ???? ???. ????? "????????", ?? ????????? ????? ??????? ???????
      * ? ??????? ????? ??? ?????????? ?????. ????? ?????? ?? ?????
      */
    void onSceneSecletionChnaged();

private:
    int curPixmapNumber;
    QGraphicsView *graphicsView;
    bool m_thumb;
    QGraphicsScene *scene;
    QSize thumb_size;
    PixmapList m_pixmap_list;
    PixmapDescList m_desc_list;

    //-------------------------------------------------------------------------
    /**
      * @fn qreal addPairItem (qreal xPos,qreal yPos,int p_number,bool selected);
      * @brief ?????? ?? ?????? ???? ????????? ???????? ? ??????? ??? ???
      * @param qreal xPos    ??????? ???????? ?? ???????????
      * @param qreal yPos    ??????? ???????? ?? ?????????
      * @param int p_number  ????? ???????? ? ??????
      * @param bool selected ???????? ???????? ??? ???
      * @return qreal yPos   ?????????? ??????? ?? ?????? ????? ????????? ???????????? ????????
      */
      qreal addPairItem (qreal xPos,qreal yPos,int p_number,bool selected);

};

#endif // VIEWPORT_H