##// 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:

r2273:1c49aa901cb2
r2423:5eb5ce9ed083
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chartlayout_p.h
74 lines | 2.4 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
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef CHARTLAYOUT_H
#define CHARTLAYOUT_H
#include <QGraphicsLayout>
#include <QMargins>
#include "qchartglobal.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class ChartPresenter;
class ChartTitle;
class QLegend;
class ChartAxis;
class ChartBackground;
class ChartLayout : public QGraphicsLayout
{
public:
ChartLayout(ChartPresenter *presenter);
virtual ~ChartLayout();
void setMargins(const QMargins &margins);
QMargins margins() const;
void setGeometry(const QRectF &rect);
protected:
QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
int count() const { return 0; }
QGraphicsLayoutItem *itemAt(int) const { return 0; };
void removeAt(int) {};
private:
QRectF calculateBackgroundGeometry(const QRectF &geometry, ChartBackground *background) const;
QRectF calculateContentGeometry(const QRectF &geometry) const;
QRectF calculateTitleGeometry(const QRectF &geometry, ChartTitle *title) const;
QRectF calculateLegendGeometry(const QRectF &geometry, QLegend *legend) const;
QRectF calculateAxisGeometry(const QRectF &geometry, const QList<ChartAxis *>& axes) const;
QRectF calculateBackgroundMinimum(const QRectF &minimum) const;
QRectF calculateContentMinimum(const QRectF &minimum) const;
QRectF calculateTitleMinimum(const QRectF &minimum, ChartTitle *title) const;
QRectF calculateAxisMinimum(const QRectF &minimum, const QList<ChartAxis *>& axes) const;
QRectF calculateLegendMinimum(const QRectF &minimum, QLegend *legend) const;
private:
ChartPresenter *m_presenter;
QMargins m_margins;
QRectF m_minChartRect;
QRectF m_minAxisRect;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif