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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef PIERENDERER_H
#define PIERENDERER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the QtGraphs 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.
#include <QQuickItem>
#include <QtGui/qpainterpath.h>
QT_BEGIN_NAMESPACE
class QGraphsView;
class QPieSeries;
class QPieSlice;
class QQuickShape;
class QAbstractSeries;
class QQuickTapHandler;
class PieRenderer : public QQuickItem
{
Q_OBJECT
public:
PieRenderer(QGraphsView *graph, bool clipPlotArea);
~PieRenderer() override;
void handlePolish(QPieSeries *series);
void afterPolish(QList<QAbstractSeries *> &cleanupSeries);
void updateSeries(QPieSeries *series);
void afterUpdate(QList<QAbstractSeries *> &cleanupSeries);
void markedDeleted(QList<QPieSlice *> deleted);
void setSize(QSizeF size);
bool handleHoverMove(QHoverEvent *event);
private:
struct SliceData
{
bool initialized;
};
void onSingleTapped(QEventPoint eventPoint, Qt::MouseButton button);
void onDoubleTapped(QEventPoint eventPoint, Qt::MouseButton button);
void onPressedChanged();
bool isPointInSlice(QPointF point, QPieSlice *slice, qreal *angle = nullptr);
QGraphsView *m_graph = nullptr;
QQuickShape *m_shape = nullptr;
QHash<QPieSlice *, SliceData> m_activeSlices;
QQuickTapHandler *m_tapHandler = nullptr;
QPieSlice *m_currentHoverSlice = nullptr;
QPainterPath m_painterPath;
qsizetype m_colorIndex = -1;
};
QT_END_NAMESPACE
#endif // QPIERENDERER_H
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