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****************************************************************************/

#ifndef MAINWINDOW_H

#define MAINWINDOW_H

#include <QWidget>

#include <QGraphicsPixmapItem>

#include <QGraphicsWidget>

#include <QGraphicsItem>

#include <QGraphicsSceneMouseEvent>

#include <QGraphicsView>

#include <QStyleOptionGraphicsItem>

class Pixmap : public QObject, public QGraphicsPixmapItem

{

    Q_OBJECT

    Q_PROPERTY(QPointF pos READ pos WRITE setPos)

public:

    Pixmap(const QPixmap &pix)

        : QObject(), QGraphicsPixmapItem(pix)

    {

        setCacheMode(DeviceCoordinateCache);

    }

};

class Button : public QGraphicsWidget

{

    Q_OBJECT

public:

    Button(const QPixmap &pixmap, QGraphicsItem *parent = 0)

        : QGraphicsWidget(parent), _pix(pixmap)

    {

        setAcceptHoverEvents(true);

        setCacheMode(DeviceCoordinateCache);

    }

    QRectF boundingRect() const

    {

        return QRectF(-65, -65, 130, 130);

    }

    QPainterPath shape() const

    {

        QPainterPath path;

        path.addEllipse(boundingRect());

        return path;

    }

    void click()

    {

    	mousePressEvent( (QGraphicsSceneMouseEvent *)NULL );

    	mouseReleaseEvent( (QGraphicsSceneMouseEvent *)NULL );

    }

    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)

    {

        bool down = option->state & QStyle::State_Sunken;

        QRectF r = boundingRect();

        QLinearGradient grad(r.topLeft(), r.bottomRight());

        grad.setColorAt(down ? 1 : 0, option->state & QStyle::State_MouseOver ? Qt::white : Qt::lightGray);

        grad.setColorAt(down ? 0 : 1, Qt::darkGray);

        painter->setPen(Qt::darkGray);

        painter->setBrush(grad);

        painter->drawEllipse(r);

        QLinearGradient grad2(r.topLeft(), r.bottomRight());

        grad.setColorAt(down ? 1 : 0, Qt::darkGray);

        grad.setColorAt(down ? 0 : 1, Qt::lightGray);

        painter->setPen(Qt::NoPen);

        painter->setBrush(grad);

        if (down)

            painter->translate(2, 2);

        painter->drawEllipse(r.adjusted(5, 5, -5, -5));

        painter->drawPixmap(-_pix.width()/2, -_pix.height()/2, _pix);

    }

signals:

    void pressed();

protected:

    void mousePressEvent(QGraphicsSceneMouseEvent *)

    {

        emit pressed();

        //update();

    }

    void mouseReleaseEvent(QGraphicsSceneMouseEvent *)

    {

        //update();

    }

private:

    QPixmap _pix;

};

class View : public QGraphicsView

{

public:

    View(QGraphicsScene *scene) : QGraphicsView(scene) { }

protected:

    void resizeEvent(QResizeEvent *event)

    {

        QGraphicsView::resizeEvent(event);

        fitInView(sceneRect(), Qt::KeepAspectRatio);

    }

};

//! [0]

class MainWindow : public QWidget

{

    Q_OBJECT

public:

    MainWindow(QWidget *parent = 0);

    void showPosition();

    Button * getEllipseButton() { return ellipseButton; };

    Button *getFigure8Button() { return figure8Button; };

    Button *getRandomButton() { return randomButton; };

    Button *getTiledButton() { return tiledButton; };

    Button *getCenteredButton() { return centeredButton; };

/*

protected:

    void paintEvent(QPaintEvent *event);

*/

private:

	  Button *ellipseButton;

    Button *figure8Button;

    Button *randomButton;

    Button *tiledButton;

    Button *centeredButton;    

    QList<Pixmap *> items;

};

//! [0]

#endif // mainwindow_h