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#ifndef QVFBPROTOCOL_H

#define QVFBPROTOCOL_H

#include <QImage>

#include <QVector>

#include <QColor>

QT_BEGIN_NAMESPACE

class QVFbKeyProtocol;

class QVFbMouseProtocol;

class QVFbViewProtocol : public QObject

{

    Q_OBJECT

public:

    QVFbViewProtocol(int display_id, QObject *parent = 0);

    virtual ~QVFbViewProtocol();

    int id() const { return mDisplayId; }

    void sendKeyboardData(QString unicode, int keycode,

            int modifiers, bool press, bool repeat);

    void sendMouseData(const QPoint &pos, int buttons, int wheel);

    virtual int width() const = 0;

    virtual int height() const = 0;

    virtual int depth() const = 0;

    virtual int linestep() const = 0;

    virtual int  numcols() const = 0;

    virtual QVector<QRgb> clut() const = 0;

    virtual unsigned char *data() const = 0;

    virtual int brightness() const = 0;

    virtual void setRate(int) {}

public slots:

    virtual void flushChanges();

signals:

    void displayDataChanged(const QRect &);

    void displayEmbedRequested(WId windowId);

protected:

    virtual QVFbKeyProtocol *keyHandler() const = 0;

    virtual QVFbMouseProtocol *mouseHandler() const = 0;

private:

    int mDisplayId;

};

class QVFbKeyProtocol

{

public:

    QVFbKeyProtocol(int display_id) : mDisplayId(display_id) {}

    virtual ~QVFbKeyProtocol() {}

    int id() const { return mDisplayId; }

    virtual void sendKeyboardData(QString unicode, int keycode,

            int modifiers, bool press, bool repeat) = 0;

private:

    int mDisplayId;

};

class QVFbMouseProtocol

{

public:

    QVFbMouseProtocol(int display_id) : mDisplayId(display_id) {}

    virtual ~QVFbMouseProtocol() {}

    int id() const { return mDisplayId; }

    virtual void sendMouseData(const QPoint &pos, int buttons, int wheel) = 0;

private:

    int mDisplayId;

};

/* since there is very little variation in input protocols defaults are

   provided */

class QVFbKeyPipeProtocol : public QVFbKeyProtocol

{

public:

    QVFbKeyPipeProtocol(int display_id);

    ~QVFbKeyPipeProtocol();

    void sendKeyboardData(QString unicode, int keycode,

            int modifiers, bool press, bool repeat);

    QString pipeName() const { return fileName; }

private:

    int fd;

    QString fileName;

};

class QVFbMousePipe: public QVFbMouseProtocol

{

public:

    QVFbMousePipe(int display_id);

    ~QVFbMousePipe();

    void sendMouseData(const QPoint &pos, int buttons, int wheel);

    QString pipeName() const { return fileName; }

protected:

    int fd;

    QString fileName;

};

class QTimer;

class QVFbMouseLinuxTP : public QObject, public QVFbMousePipe

{

    Q_OBJECT

public:

    QVFbMouseLinuxTP(int display_id);

    ~QVFbMouseLinuxTP();

    void sendMouseData(const QPoint &pos, int buttons, int wheel);

protected slots:

    void repeatLastPress();

protected:

    void writeToPipe(const QPoint &pos, ushort pressure);

    QPoint lastPos;

    QTimer *repeater;

};

QT_END_NAMESPACE

#endif