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#ifndef QPIESLICE_H
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#define QPIESLICE_H
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#include <qchartglobal.h>
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#include <QObject>
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#include <QPen>
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#include <QBrush>
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#include <QFont>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class QTCOMMERCIALCHART_EXPORT QPieSlice : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(QString label READ label WRITE setLabel NOTIFY changed)
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Q_PROPERTY(qreal value READ value WRITE setValue NOTIFY changed)
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public:
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QPieSlice(QObject *parent = 0);
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QPieSlice(qreal value, QString label, QObject *parent = 0);
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virtual ~QPieSlice();
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// data
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qreal value() const;
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QString label() const;
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bool isLabelVisible() const;
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bool isExploded() const;
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qreal explodeDistance() const;
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// generated data
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qreal percentage() const;
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qreal startAngle() const;
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qreal endAngle() const;
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// customization
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QPen pen() const;
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QBrush brush() const;
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QPen labelPen() const;
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QFont labelFont() const;
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qreal labelArmLength() const;
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Q_SIGNALS:
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void clicked();
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void hoverEnter();
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void hoverLeave();
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void changed();
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public Q_SLOTS:
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// data
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void setLabel(QString label);
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void setLabelVisible(bool visible);
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void setValue(qreal value);
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void setExploded(bool exploded);
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void setExplodeDistance(qreal distance);
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// customization
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void setPen(QPen pen);
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void setBrush(QBrush brush);
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void setLabelFont(QFont font);
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void setLabelPen(QPen pen);
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void setLabelArmLength(qreal len);
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// TODO: label position in general
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// setLabelFlags(inside|outside|labelArmOn|labelArmOff|???)
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// setLabelOrientation(horizontal|vertical|same as slice center angle|???)
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private:
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// TODO: use private class
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friend class QPieSeries;
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friend class PiePresenter;
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friend class PieSlice;
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// data
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qreal m_value;
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QString m_label;
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bool m_isLabelVisible;
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bool m_isExploded;
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qreal m_explodeDistance;
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// generated data
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qreal m_percentage;
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qreal m_startAngle;
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qreal m_angleSpan;
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// customization
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QPen m_pen;
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QBrush m_brush;
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QPen m_labelPen;
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QFont m_labelFont;
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qreal m_labelArmLength;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif // QPIESLICE_H
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