qwt_polar_layout.h

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/******************************************************************************
 * QwtPolar Widget Library
 * Copyright (C) 2008   Uwe Rathmann
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the Qwt License, Version 1.0
 *****************************************************************************/

#ifndef QWT_POLAR_LAYOUT_H
#define QWT_POLAR_LAYOUT_H

#include "qwt_global.h"
#include "qwt_polar_plot.h"

class QWT_EXPORT QwtPolarLayout
{
  public:

    enum Option
    {
        IgnoreScrollbars = 0x01,

        IgnoreFrames     = 0x02,

        IgnoreTitle      = 0x04,

        IgnoreLegend     = 0x08
    };

    Q_DECLARE_FLAGS( Options, Option )

    explicit QwtPolarLayout();
    virtual ~QwtPolarLayout();

    void setLegendPosition( QwtPolarPlot::LegendPosition pos, double ratio );
    void setLegendPosition( QwtPolarPlot::LegendPosition pos );
    QwtPolarPlot::LegendPosition legendPosition() const;

    void setLegendRatio( double ratio );
    double legendRatio() const;

    virtual void activate( const QwtPolarPlot*,
        const QRectF& rect, Options options = Options() );

    virtual void invalidate();

    const QRectF& titleRect() const;
    const QRectF& legendRect() const;
    const QRectF& canvasRect() const;

    class LayoutData;

  protected:
    QRectF layoutLegend( Options options, QRectF& ) const;

  private:
    class PrivateData;
    PrivateData* m_data;
};

Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPolarLayout::Options )

#endif