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    41 

    42 #ifndef QTGRADIENTSTOPSMODEL_H

    43 #define QTGRADIENTSTOPSMODEL_H

    44 

    45 #include <QtCore/QObject>

    46 #include <QtCore/QMap>

    47 

    48 QT_BEGIN_NAMESPACE

    49 

    50 class QColor;

    51 

    52 class QtGradientStopsModel;

    53 

    54 class QtGradientStop

    55 {

    56 public:

    57     qreal position() const;

    58     QColor color() const;

    59     QtGradientStopsModel *gradientModel() const;

    60 

    61 private:

    62     void setColor(const QColor &color);

    63     void setPosition(qreal position);

    64     friend class QtGradientStopsModel;

    65     QtGradientStop(QtGradientStopsModel *model = 0);

    66     ~QtGradientStop();

    67     QScopedPointer<class QtGradientStopPrivate> d_ptr;

    68 };

    69 

    70 class QtGradientStopsModel : public QObject

    71 {

    72     Q_OBJECT

    73 public:

    74     typedef QMap<qreal, QtGradientStop *> PositionStopMap;

    75 

    76     QtGradientStopsModel(QObject *parent = 0);

    77     ~QtGradientStopsModel();

    78 

    79     PositionStopMap stops() const;

    80     QtGradientStop *at(qreal pos) const;

    81     QColor color(qreal pos) const; // calculated between points

    82     QList<QtGradientStop *> selectedStops() const;

    83     QtGradientStop *currentStop() const;

    84     bool isSelected(QtGradientStop *stop) const;

    85     QtGradientStop *firstSelected() const;

    86     QtGradientStop *lastSelected() const;

    87     QtGradientStopsModel *clone() const;

    88 

    89     QtGradientStop *addStop(qreal pos, const QColor &color);

    90     void removeStop(QtGradientStop *stop);

    91     void moveStop(QtGradientStop *stop, qreal newPos);

    92     void swapStops(QtGradientStop *stop1, QtGradientStop *stop2);

    93     void changeStop(QtGradientStop *stop, const QColor &newColor);

    94     void selectStop(QtGradientStop *stop, bool select);

    95     void setCurrentStop(QtGradientStop *stop);

    96 

    97     void moveStops(double newPosition); // moves current stop to newPos and all selected stops are moved accordingly

    98     void clear();

    99     void clearSelection();

   100     void flipAll();

   101     void selectAll();

   102     void deleteStops();

   103 

   104 signals:

   105     void stopAdded(QtGradientStop *stop);

   106     void stopRemoved(QtGradientStop *stop);

   107     void stopMoved(QtGradientStop *stop, qreal newPos);

   108     void stopsSwapped(QtGradientStop *stop1, QtGradientStop *stop2);

   109     void stopChanged(QtGradientStop *stop, const QColor &newColor);

   110     void stopSelected(QtGradientStop *stop, bool selected);

   111     void currentStopChanged(QtGradientStop *stop);

   112 

   113 private:

   114     QScopedPointer<class QtGradientStopsModelPrivate> d_ptr;

   115     Q_DECLARE_PRIVATE(QtGradientStopsModel)

   116     Q_DISABLE_COPY(QtGradientStopsModel)

   117 };

   118 

   119 QT_END_NAMESPACE

   120 

   121 #endif