|
|
/****************************************************************************
|
|
|
**
|
|
|
** 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
|
|
|
|
