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39
40#ifndef QTGRADIENTSTOPSMODEL_H
41#define QTGRADIENTSTOPSMODEL_H
42
43#include <QtCore/QObject>
44#include <QtCore/QMap>
45
46QT_BEGIN_NAMESPACE
47
48class QColor;
49
50class QtGradientStopsModel;
51
52class QtGradientStop
53{
54public:
55 qreal position() const;
56 QColor color() const;
57 QtGradientStopsModel *gradientModel() const;
58
59private:
60 void setColor(const QColor &color);
61 void setPosition(qreal position);
62 friend class QtGradientStopsModel;
63 QtGradientStop(QtGradientStopsModel *model = 0);
64 ~QtGradientStop();
65 QScopedPointer<class QtGradientStopPrivate> d_ptr;
66};
67
68class QtGradientStopsModel : public QObject
69{
70 Q_OBJECT
71public:
72 typedef QMap<qreal, QtGradientStop *> PositionStopMap;
73
74 QtGradientStopsModel(QObject *parent = 0);
75 ~QtGradientStopsModel();
76
77 PositionStopMap stops() const;
78 QtGradientStop *at(qreal pos) const;
79 QColor color(qreal pos) const; // calculated between points
80 QList<QtGradientStop *> selectedStops() const;
81 QtGradientStop *currentStop() const;
82 bool isSelected(QtGradientStop *stop) const;
83 QtGradientStop *firstSelected() const;
84 QtGradientStop *lastSelected() const;
85 QtGradientStopsModel *clone() const;
86
87 QtGradientStop *addStop(qreal pos, const QColor &color);
88 void removeStop(QtGradientStop *stop);
89 void moveStop(QtGradientStop *stop, qreal newPos);
90 void swapStops(QtGradientStop *stop1, QtGradientStop *stop2);
91 void changeStop(QtGradientStop *stop, const QColor &newColor);
92 void selectStop(QtGradientStop *stop, bool select);
93 void setCurrentStop(QtGradientStop *stop);
94
95 void moveStops(double newPosition); // moves current stop to newPos and all selected stops are moved accordingly
96 void clear();
97 void clearSelection();
98 void flipAll();
99 void selectAll();
100 void deleteStops();
101
102signals:
103 void stopAdded(QtGradientStop *stop);
104 void stopRemoved(QtGradientStop *stop);
105 void stopMoved(QtGradientStop *stop, qreal newPos);
106 void stopsSwapped(QtGradientStop *stop1, QtGradientStop *stop2);
107 void stopChanged(QtGradientStop *stop, const QColor &newColor);
108 void stopSelected(QtGradientStop *stop, bool selected);
109 void currentStopChanged(QtGradientStop *stop);
110
111private:
112 QScopedPointer<class QtGradientStopsModelPrivate> d_ptr;
113 Q_DECLARE_PRIVATE(QtGradientStopsModel)
114 Q_DISABLE_COPY_MOVE(QtGradientStopsModel)
115};
116
117QT_END_NAMESPACE
118
119#endif
120