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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
****************************************************************************/
// W A R N I N G
// -------------
//
// This file is not part of the Qt 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 QPIEMODELMAPPER_P_H
#define QPIEMODELMAPPER_P_H
#include <QtCore/QObject>
#include <QtCharts/QPieModelMapper>
#include <QtCharts/private/qchartglobal_p.h>
QT_BEGIN_NAMESPACE
class QModelIndex;
QT_END_NAMESPACE
QT_CHARTS_BEGIN_NAMESPACE
class QPieSlice;
class Q_CHARTS_PRIVATE_EXPORT QPieModelMapperPrivate : public QObject
{
Q_OBJECT
public:
explicit QPieModelMapperPrivate(QPieModelMapper *q);
public Q_SLOTS:
// for the model
void modelUpdated(QModelIndex topLeft, QModelIndex bottomRight);
void modelRowsAdded(QModelIndex parent, int start, int end);
void modelRowsRemoved(QModelIndex parent, int start, int end);
void modelColumnsAdded(QModelIndex parent, int start, int end);
void modelColumnsRemoved(QModelIndex parent, int start, int end);
void handleModelDestroyed();
// for the series
void slicesAdded(QList<QPieSlice *> slices);
void slicesRemoved(QList<QPieSlice *> slices);
void sliceLabelChanged();
void sliceValueChanged();
void handleSeriesDestroyed();
void initializePieFromModel();
private:
QPieSlice *pieSlice(QModelIndex index) const;
bool isLabelIndex(QModelIndex index) const;
bool isValueIndex(QModelIndex index) const;
QModelIndex valueModelIndex(int slicePos);
QModelIndex labelModelIndex(int slicePos);
void insertData(int start, int end);
void removeData(int start, int end);
void blockModelSignals(bool block = true);
void blockSeriesSignals(bool block = true);
private:
QPieSeries *m_series;
QList<QPieSlice *> m_slices;
QAbstractItemModel *m_model;
int m_first;
int m_count;
Qt::Orientation m_orientation;
int m_valuesSection;
int m_labelsSection;
bool m_seriesSignalsBlock;
bool m_modelSignalsBlock;
private:
QPieModelMapper *q_ptr;
Q_DECLARE_PUBLIC(QPieModelMapper)
};
QT_CHARTS_END_NAMESPACE
#endif // QPIEMODELMAPPER_P_H
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