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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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// W A R N I N G
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// -------------
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//
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// This file is not part of the QtCommercial Chart API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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#ifndef QPIEMODELMAPPER_P_H
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#define QPIEMODELMAPPER_P_H
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#include "qpiemodelmapper.h"
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#include <QObject>
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class QModelIndex;
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class QAbstractItemModel;
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class QPieModelMapper;
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class QPieSeries;
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class QPieSlice;
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class QPieModelMapperPrivate : public QObject
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{
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Q_OBJECT
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public:
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QPieModelMapperPrivate(QPieModelMapper *q);
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public Q_SLOTS:
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// for the model
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void modelUpdated(QModelIndex topLeft, QModelIndex bottomRight);
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void modelRowsAdded(QModelIndex parent, int start, int end);
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void modelRowsRemoved(QModelIndex parent, int start, int end);
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void modelColumnsAdded(QModelIndex parent, int start, int end);
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void modelColumnsRemoved(QModelIndex parent, int start, int end);
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// for the series
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void slicesAdded(QList<QPieSlice*> slices);
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void slicesRemoved(QList<QPieSlice*> slices);
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void sliceLabelChanged();
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void sliceValueChanged();
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void initializePieFromModel();
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private:
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QPieSlice* pieSlice(QModelIndex index) const;
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bool isLabelIndex(QModelIndex index) const;
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bool isValueIndex(QModelIndex index) const;
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QModelIndex valueModelIndex(int slicePos);
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QModelIndex labelModelIndex(int slicePos);
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void insertData(int start, int end);
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void removeData(int start, int end);
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void blockModelSignals(bool block = true);
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void blockSeriesSignals(bool block = true);
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private:
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QPieSeries *m_series;
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QList<QPieSlice*> m_slices;
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QAbstractItemModel *m_model;
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int m_first;
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int m_count;
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Qt::Orientation m_orientation;
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int m_valuesIndex;
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int m_labelsIndex;
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bool m_seriesSignalsBlock;
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bool m_modelSignalsBlock;
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private:
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QPieModelMapper *q_ptr;
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Q_DECLARE_PUBLIC(QPieModelMapper)
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friend class QPieSeriesPrivate;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif // QPIEMODELMAPPER_P_H
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