Qt Reference Documentation

# piechart.h Example File

declarative/tutorials/extending/chapter3-bindings/piechart.h

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     #ifndef PIECHART_H
     #define PIECHART_H

     #include <QDeclarativeItem>
     #include <QColor>

     class PieChart : public QDeclarativeItem
     {
         Q_OBJECT
         Q_PROPERTY(QString name READ name WRITE setName)

         Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
     public:

         PieChart(QDeclarativeItem *parent = 0);

         QString name() const;
         void setName(const QString &name);

         QColor color() const;
         void setColor(const QColor &color);

         void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);

         Q_INVOKABLE void clearChart();

     signals:
         void colorChanged();

     private:
         QString m_name;
         QColor m_color;

     };

     #endif