CCControlExtension/CCControlPotentiometer

#ifndef __CCCONTROLPOTENTIOMETER_H__

#define __CCCONTROLPOTENTIOMETER_H__

#include "CCControl.h"

NS_CC_EXT_BEGIN

/**

 * @addtogroup GUI

 * @{

 * @addtogroup control_extension

 * @{

 */

/** @class CCControlPotentiometer Potentiometer control for Cocos2D. */

class CCControlPotentiometer : public CCControl

{

public:

    CCControlPotentiometer();

    virtual ~CCControlPotentiometer();

    /** 

     * Creates potentiometer with a track filename and a progress filename.

     */

    static CCControlPotentiometer* create(const char* backgroundFile, const char* progressFile, const char* thumbFile);

    /** 

     * Initializes a potentiometer with a track sprite and a progress bar.

     *

     * @param trackSprite CCSprite, that is used as a background.

     * @param progressSprite CCProgressTimer, that is used as a progress bar.

     */

    bool initWithTrackSprite_ProgressTimer_ThumbSprite(CCSprite* trackSprite, CCProgressTimer* progressTimer, CCSprite* thumbSprite);

    void setValue(float value);

    float getValue();

     

    void setMinimumValue(float minimumValue);

    float getMinimumValue();

    void setMaximumValue(float maximumValue);

    float getMaximumValue();

    void setEnabled(bool enabled);

    virtual bool isTouchInside(CCTouch * touch);

    virtual bool ccTouchBegan(CCTouch *pTouch, CCEvent *pEvent);

    virtual void ccTouchMoved(CCTouch *pTouch, CCEvent *pEvent);

    virtual void ccTouchEnded(CCTouch *pTouch, CCEvent *pEvent);

protected:

    CC_SYNTHESIZE_RETAIN(CCSprite*, m_pThumbSprite, ThumbSprite)

    CC_SYNTHESIZE_RETAIN(CCProgressTimer*, m_pProgressTimer, ProgressTimer)

    CC_SYNTHESIZE(CCPoint, m_tPreviousLocation, PreviousLocation)

    /** Contains the receiver’s current value. */

    float           m_fValue; 

    /** Contains the minimum value of the receiver. 

    * The default value of this property is 0.0. */

    float           m_fMinimumValue;

    /** Contains the maximum value of the receiver. 

    * The default value of this property is 1.0. */

    float           m_fMaximumValue;

    /** Factorize the event dispath into these methods. */

    void potentiometerBegan(CCPoint location);

    void potentiometerMoved(CCPoint location);

    void potentiometerEnded(CCPoint location);

    /** Returns the distance between the point1 and point2. */

    float distanceBetweenPointAndPoint(CCPoint point1, CCPoint point2);

    /** Returns the angle in degree between line1 and line2. */

    float angleInDegreesBetweenLineFromPoint_toPoint_toLineFromPoint_toPoint(

        CCPoint beginLineA, 

        CCPoint endLineA,

        CCPoint beginLineB,

        CCPoint endLineB);

};

// end of GUI group

/// @}

/// @}

NS_CC_EXT_END

#endif /* __CCCONTROLPOTENTIOMETER_H__ */