/**************************************************************************** ** ** 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 ABSTRACTCHARTLAYOUT_H #define ABSTRACTCHARTLAYOUT_H #include #include #include "qchartglobal.h" QTCOMMERCIALCHART_BEGIN_NAMESPACE class ChartTitle; class ChartAxisElement; class ChartPresenter; class QLegend; class ChartBackground; class AbstractChartLayout : public QGraphicsLayout { public: AbstractChartLayout(ChartPresenter *presenter); virtual ~AbstractChartLayout(); virtual void setMargins(const QMargins &margins); virtual QMargins margins() const; virtual void setGeometry(const QRectF &rect); protected: virtual QRectF calculateBackgroundGeometry(const QRectF &geometry, ChartBackground *background) const; virtual QRectF calculateBackgroundMinimum(const QRectF &minimum) const; virtual QRectF calculateContentGeometry(const QRectF &geometry) const; virtual QRectF calculateContentMinimum(const QRectF &minimum) const; virtual QRectF calculateTitleGeometry(const QRectF &geometry, ChartTitle *title) const; virtual QRectF calculateTitleMinimum(const QRectF &minimum, ChartTitle *title) const; virtual QRectF calculateLegendGeometry(const QRectF &geometry, QLegend *legend) const; virtual QRectF calculateLegendMinimum(const QRectF &minimum, QLegend *legend) const; virtual QRectF calculateAxisGeometry(const QRectF &geometry, const QList& axes) const = 0; virtual QRectF calculateAxisMinimum(const QRectF &minimum, const QList& axes) const = 0; // from QGraphicsLayout QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const; int count() const { return 0; } QGraphicsLayoutItem *itemAt(int) const { return 0; }; void removeAt(int) {}; ChartPresenter *m_presenter; QMargins m_margins; QRectF m_minChartRect; QRectF m_minAxisRect; }; QTCOMMERCIALCHART_END_NAMESPACE #endif // ABSTRACTCHARTLAYOUT_H