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#ifndef QCONTEXT2DCANVAS_H

#define QCONTEXT2DCANVAS_H

#include <qscriptengine.h>

#include <qscriptcontext.h>

#include <qscriptvalue.h>

#include <QWidget>

QT_BEGIN_NAMESPACE

class QPaintEvent;

class QResizeEvent;

class QMouseEvent;

class QKeyEvent;

QT_END_NAMESPACE

class Environment;

class Context2D;

//! [0]

class QContext2DCanvas : public QWidget

{

    Q_OBJECT

public:

    QContext2DCanvas(Context2D *context, Environment *env, QWidget *parent = 0);

    ~QContext2DCanvas();

    Context2D *context() const;

    void reset();

public slots:

    QScriptValue getContext(const QString &str);

    void resize(int width, int height);

    // EventTarget

    void addEventListener(const QString &type, const QScriptValue &listener,

                          bool useCapture);

protected:

    virtual void paintEvent(QPaintEvent *e);

    virtual void mouseMoveEvent(QMouseEvent *e);

    virtual void mousePressEvent(QMouseEvent *e);

    virtual void mouseReleaseEvent(QMouseEvent *e);

    virtual void keyPressEvent(QKeyEvent *e);

    virtual void keyReleaseEvent(QKeyEvent *e);

    virtual void resizeEvent(QResizeEvent *e);

private slots:

    void contentsChanged(const QImage &image);

//! [0]

private:

    Context2D *m_context;

    Environment *m_env;

    QImage m_image;

};

#endif