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

**

** 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 HbWidgets 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 HBABSTRACTSLIDERCONTROL_H

#define HBABSTRACTSLIDERCONTROL_H

#include <hbwidget.h>

#include <hbnamespace.h>

class HbAbstractSliderControlPrivate;

class HB_WIDGETS_EXPORT HbAbstractSliderControl : public HbWidget

{

    Q_OBJECT

    Q_PROPERTY(int minimum READ minimum WRITE setMinimum)

    Q_PROPERTY(int maximum READ maximum WRITE setMaximum)

    Q_PROPERTY(int singleStep READ singleStep WRITE setSingleStep)

    Q_PROPERTY(int pageStep READ pageStep WRITE setPageStep)

    Q_PROPERTY(int value READ value WRITE setValue NOTIFY valueChanged USER true)

    Q_PROPERTY(int sliderPosition READ sliderPosition WRITE setSliderPosition NOTIFY sliderMoved)

    Q_PROPERTY(bool tracking READ hasTracking WRITE setTracking)

    Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)

    Q_PROPERTY(bool invertedAppearance READ invertedAppearance WRITE setInvertedAppearance)

    Q_PROPERTY(bool invertedControls READ invertedControls WRITE setInvertedControls)

    Q_PROPERTY(bool sliderDown READ isSliderDown WRITE setSliderDown DESIGNABLE false)

public:

    explicit HbAbstractSliderControl(QGraphicsItem *parent = 0);

    explicit HbAbstractSliderControl(Qt::Orientation orientation, QGraphicsItem *parent = 0);

    ~HbAbstractSliderControl();

    int value() const;

    Qt::Orientation orientation() const;

    void setMinimum(int min);

    int minimum() const;

    void setMaximum(int max);

    int maximum() const;

    void setRange(int min, int max);

    void setSingleStep(int step);

    int singleStep() const;

    void setPageStep(int step);

    int pageStep() const;

    void setTracking(bool enable);

    bool hasTracking() const;

    void setSliderDown(bool down);

    bool isSliderDown() const;

    void setSliderPosition(int pos);

    int sliderPosition() const;

    void setInvertedAppearance(bool inverted);

    bool invertedAppearance() const;

    void setInvertedControls(bool inverted);

    bool invertedControls() const;

    enum SliderAction {

        SliderNoAction,

        SliderSingleStepAdd,

        SliderSingleStepSub,

        SliderPageStepAdd,

        SliderPageStepSub,

        SliderToMinimum,

        SliderToMaximum,

        SliderMove

    };

    void triggerAction(SliderAction action);

    SliderAction repeatAction() const;

    void setRepeatAction(SliderAction action, int pressValue = -1, int thresholdTime = 500, int repeatTime = 50);

    enum { Type = Hb::ItemType_AbstractSlider };

    int type() const { return Type; }

public slots:

    void setValue(int value);

    void setOrientation(Qt::Orientation orientation);

signals:

    void valueChanged(int value);

    void sliderPressed();

    void sliderMoved(int pos);

    void sliderReleased();

    void rangeChanged(int min, int max);

    void actionTriggered(int action);

protected:

    HbAbstractSliderControl(HbAbstractSliderControlPrivate &dd, QGraphicsItem *parent);

    enum SliderChange {

        SliderRangeChange,

        SliderOrientationChange,

        SliderStepsChange,

        SliderValueChange,

        SliderAppearanceChange

    };

    virtual void sliderChange(SliderChange change);

    void changeEvent(QEvent *event);

    void focusInEvent(QFocusEvent *event);

    void keyPressEvent(QKeyEvent *event);

    void timerEvent(QTimerEvent *event);

private:

    Q_DECLARE_PRIVATE_D(d_ptr, HbAbstractSliderControl)

    Q_DISABLE_COPY(HbAbstractSliderControl)

};

#endif // HBABSTRACTSLIDERCONTROL_H