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/****************************************************************************
**
** Copyright (C) 2013 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 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
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