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    41 

    42 #ifndef QDECLARATIVESMOOTHFOLLOW_H

    43 #define QDECLARATIVESMOOTHFOLLOW_H

    44 

    45 #include <qdeclarativepropertyvaluesource.h>

    46 #include <qdeclarative.h>

    47 

    48 QT_BEGIN_HEADER

    49 

    50 QT_BEGIN_NAMESPACE

    51 

    52 QT_MODULE(Declarative)

    53 

    54 class QDeclarativeSpringFollowPrivate;

    55 class Q_DECLARATIVE_EXPORT QDeclarativeSpringFollow : public QObject,

    56                                        public QDeclarativePropertyValueSource

    57 {

    58     Q_OBJECT

    59     Q_DECLARE_PRIVATE(QDeclarativeSpringFollow)

    60     Q_INTERFACES(QDeclarativePropertyValueSource)

    61 

    62     Q_PROPERTY(qreal to READ to WRITE setTo)

    63     Q_PROPERTY(qreal velocity READ velocity WRITE setVelocity)

    64     Q_PROPERTY(qreal spring READ spring WRITE setSpring)

    65     Q_PROPERTY(qreal damping READ damping WRITE setDamping)

    66     Q_PROPERTY(qreal epsilon READ epsilon WRITE setEpsilon)

    67     Q_PROPERTY(bool enabled READ enabled WRITE setEnabled)

    68     Q_PROPERTY(qreal value READ value NOTIFY valueChanged)

    69     Q_PROPERTY(qreal modulus READ modulus WRITE setModulus NOTIFY modulusChanged)

    70     Q_PROPERTY(qreal mass READ mass WRITE setMass NOTIFY massChanged)

    71     Q_PROPERTY(bool inSync READ inSync NOTIFY syncChanged)

    72 

    73 public:

    74     QDeclarativeSpringFollow(QObject *parent=0);

    75     ~QDeclarativeSpringFollow();

    76 

    77     virtual void setTarget(const QDeclarativeProperty &);

    78 

    79     qreal to() const;

    80     void setTo(qreal value);

    81 

    82     qreal velocity() const;

    83     void setVelocity(qreal velocity);

    84 

    85     qreal spring() const;

    86     void setSpring(qreal spring);

    87 

    88     qreal damping() const;

    89     void setDamping(qreal damping);

    90 

    91     qreal epsilon() const;

    92     void setEpsilon(qreal epsilon);

    93 

    94     qreal mass() const;

    95     void setMass(qreal modulus);

    96 

    97     qreal modulus() const;

    98     void setModulus(qreal modulus);

    99 

   100     bool enabled() const;

   101     void setEnabled(bool enabled);

   102 

   103     bool inSync() const;

   104 

   105     qreal value() const;

   106 

   107 Q_SIGNALS:

   108     void valueChanged(qreal);

   109     void modulusChanged();

   110     void massChanged();

   111     void syncChanged();

   112 };

   113 

   114 QT_END_NAMESPACE

   115 

   116 QML_DECLARE_TYPE(QDeclarativeSpringFollow)

   117 

   118 QT_END_HEADER

   119 

   120 #endif // QDECLARATIVESMOOTHFOLLOW_H