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    41 

    42 #include <QtGui/qgraphicsview.h>

    43 

    44 QT_BEGIN_NAMESPACE

    45 class QTimeLine;

    46 class Ui_BackSide;

    47 QT_END_NAMESPACE

    48 

    49 class RoundRectItem;

    50 

    51 class Panel : public QGraphicsView

    52 {

    53     Q_OBJECT

    54 public:

    55     Panel(int width, int height);

    56     ~Panel();

    57 

    58 protected:

    59     void keyPressEvent(QKeyEvent *event);

    60     void resizeEvent(QResizeEvent *event);

    61 

    62 private Q_SLOTS:

    63     void updateSelectionStep(qreal val);

    64     void updateFlipStep(qreal val);

    65     void flip();

    66 

    67 private:

    68     QPointF posForLocation(int x, int y) const;

    69 

    70     QGraphicsScene *scene;

    71     RoundRectItem *selectionItem;

    72     RoundRectItem *baseItem;

    73     RoundRectItem *backItem;

    74     QGraphicsWidget *splash;

    75     QTimeLine *selectionTimeLine;

    76     QTimeLine *flipTimeLine;

    77     int selectedX, selectedY;

    78 

    79     QGraphicsItem ***grid;

    80     

    81     QPointF startPos;

    82     QPointF endPos;

    83     qreal xrot, yrot;

    84     qreal xrot2, yrot2;

    85 

    86     int width;

    87     int height;

    88     bool flipped;

    89     bool flipLeft;

    90 

    91     Ui_BackSide *ui;

    92 };