##// END OF EJS Templates
Fix crash when signals connected to deleted PieChartItem are emitted...
Fix crash when signals connected to deleted PieChartItem are emitted Disconnect all signals connected to the PieChartItem when it is destroyed. Reviewed-by: Mika Salmela

File last commit:

r2107:9895ee3a7ecb
r2423:5eb5ce9ed083
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qxymodelmapper_p.h
97 lines | 2.7 KiB | text/x-c | CLexer
/****************************************************************************
**
** Copyright (C) 2012 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 Commercial Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial 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 QtCommercial 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 QXYMODELMAPPER_P_H
#define QXYMODELMAPPER_P_H
#include "qxymodelmapper.h"
#include <QObject>
class QModelIndex;
class QAbstractItemModel;
class QPointF;
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class QXYModelMapper;
class QXYSeries;
class QXYModelMapperPrivate : public QObject
{
Q_OBJECT
public:
QXYModelMapperPrivate(QXYModelMapper *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 handlePointAdded(int pointPos);
void handlePointRemoved(int pointPos);
void handlePointReplaced(int pointPos);
void handleSeriesDestroyed();
void initializeXYFromModel();
private:
QModelIndex xModelIndex(int xPos);
QModelIndex yModelIndex(int yPos);
void insertData(int start, int end);
void removeData(int start, int end);
void blockModelSignals(bool block = true);
void blockSeriesSignals(bool block = true);
qreal valueFromModel(QModelIndex index);
void setValueToModel(QModelIndex index, qreal value);
private:
QXYSeries *m_series;
QAbstractItemModel *m_model;
int m_first;
int m_count;
Qt::Orientation m_orientation;
int m_xSection;
int m_ySection;
bool m_seriesSignalsBlock;
bool m_modelSignalsBlock;
private:
QXYModelMapper *q_ptr;
Q_DECLARE_PUBLIC(QXYModelMapper)
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif // QXYMODELMAPPER_P_H