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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Enterprise Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
// W A R N I N G
// -------------
//
// This file is not part of the Qt Enterprise Chart API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef PIECHARTITEM_H
#define PIECHARTITEM_H
#include <QtCharts/QPieSeries>
#include <private/chartitem_p.h>
#include <private/piesliceitem_p.h>
#include <QtCore/QPointer>
class QGraphicsItem;
QT_CHARTS_BEGIN_NAMESPACE
class QPieSlice;
class ChartPresenter;
class PieAnimation;
class PieChartItem : public ChartItem
{
Q_OBJECT
public:
explicit PieChartItem(QPieSeries *series, QGraphicsItem* item = 0);
~PieChartItem();
// from QGraphicsItem
QRectF boundingRect() const { return m_rect; }
void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *) {}
public Q_SLOTS:
// from Chart
virtual void handleDomainUpdated();
void updateLayout();
void handleSlicesAdded(QList<QPieSlice *> slices);
void handleSlicesRemoved(QList<QPieSlice *> slices);
void handleSliceChanged();
void handleSeriesVisibleChanged();
void handleOpacityChanged();
void setAnimation(PieAnimation *animation);
ChartAnimation *animation() const;
private:
PieSliceData updateSliceGeometry(QPieSlice *slice);
private:
QHash<QPieSlice *, PieSliceItem *> m_sliceItems;
QPointer<QPieSeries> m_series;
QRectF m_rect;
QPointF m_pieCenter;
qreal m_pieRadius;
qreal m_holeSize;
PieAnimation *m_animation;
};
QT_CHARTS_END_NAMESPACE
#endif // PIECHARTITEM_H
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