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

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbInput module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

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

#ifndef HB_INPUT_VIRTUAL_ROCKER_H

#define HB_INPUT_VIRTUAL_ROCKER_H

#include <hbwidget.h>

#include <hbinputdef.h>

class HbInputVkbWidget;

class HbInputVirtualRockerPrivate;

class HB_INPUT_EXPORT HbInputVirtualRocker : public HbWidget

{

    Q_OBJECT

public:

    enum RockerDirection {

        HbRockerDirectionNone = 0,

        HbRockerDirectionLeft,

        HbRockerDirectionRight,

        HbRockerDirectionUp,

        HbRockerDirectionDown,

        HbRockerDirectionPress,

        HbRockerDirectionDoubleClick,

        HbRockerDirectionRelease,

    };

    enum RockerSelectionMode {

        RockerSelectionModeOff = 0,

        RockerSelectionModeOn

    };

public:

    explicit HbInputVirtualRocker(HbInputVkbWidget *parent = 0);

    virtual ~HbInputVirtualRocker();

    RockerSelectionMode selectionMode() const;

    enum { Type = Hb::ItemType_VirtualTrackPoint };

    int type() const {

        return Type;

    }

protected: // From QGraphicsItem

    void mousePressEvent(QGraphicsSceneMouseEvent *event);

    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);

    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);

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

    virtual void gestureEvent(QGestureEvent *event);

signals:

    void rockerDirection(int aDirection, HbInputVirtualRocker::RockerSelectionMode aSelectionMode);

protected:

    HbInputVirtualRocker(HbInputVirtualRockerPrivate &dd, QGraphicsWidget *parent = 0);

    HbInputVirtualRockerPrivate *const d_ptr;

private:

    Q_DISABLE_COPY(HbInputVirtualRocker)

    Q_DECLARE_PRIVATE_D(d_ptr, HbInputVirtualRocker)

};

#endif // HB_INPUT_VIRTUAL_ROCKER_H

// End of file