| 1 | /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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| 2 | * QwtPolar Widget Library
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| 3 | * Copyright (C) 2008 Uwe Rathmann
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| 4 | *
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| 5 | * This library is free software; you can redistribute it and/or
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| 6 | * modify it under the terms of the Qwt License, Version 1.0
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| 7 | *****************************************************************************/
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| 8 |
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| 9 | #ifndef QWT_POLAR_LAYOUT_H
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| 10 | #define QWT_POLAR_LAYOUT_H
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| 11 |
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| 12 | #include "qwt_polar_global.h"
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| 13 | #include "qwt_polar_plot.h"
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| 14 |
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| 15 | /*!
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| 16 | \brief Layout class for QwtPolarPlot.
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| 17 |
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| 18 | Organizes the geometry for the different QwtPolarPlot components.
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| 19 | It is used by the QwtPolar widget to organize its internal widgets
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| 20 | or by QwtPolarRnderer to render its content to a QPaintDevice like
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| 21 | a QPrinter, QPixmap/QImage or QSvgRenderer.
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| 22 | */
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| 23 |
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| 24 | class QWT_POLAR_EXPORT QwtPolarLayout
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| 25 | {
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| 26 | public:
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| 27 |
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| 28 | //! \brief Options to configure the plot layout engine
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| 29 | enum Option
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| 30 | {
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| 31 | //! Ignore the dimension of the scrollbars.
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| 32 | IgnoreScrollbars = 0x01,
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| 33 |
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| 34 | //! Ignore all frames.
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| 35 | IgnoreFrames = 0x02,
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| 36 |
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| 37 | //! Ignore the title.
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| 38 | IgnoreTitle = 0x04,
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| 39 |
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| 40 | //! Ignore the legend.
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| 41 | IgnoreLegend = 0x08
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| 42 | };
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| 43 |
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| 44 | //! Options to configure the plot layout engine
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| 45 | typedef QFlags<Option> Options;
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| 46 |
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| 47 | explicit QwtPolarLayout();
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| 48 | virtual ~QwtPolarLayout();
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| 49 |
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| 50 | void setLegendPosition( QwtPolarPlot::LegendPosition pos, double ratio );
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| 51 | void setLegendPosition( QwtPolarPlot::LegendPosition pos );
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| 52 | QwtPolarPlot::LegendPosition legendPosition() const;
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| 53 |
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| 54 | void setLegendRatio( double ratio );
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| 55 | double legendRatio() const;
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| 56 |
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| 57 | virtual void activate( const QwtPolarPlot *,
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| 58 | const QRectF &rect, Options options = 0 );
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| 59 |
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| 60 | virtual void invalidate();
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| 61 |
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| 62 | const QRectF &titleRect() const;
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| 63 | const QRectF &legendRect() const;
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| 64 | const QRectF &canvasRect() const;
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| 65 |
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| 66 | class LayoutData;
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| 67 |
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| 68 | protected:
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| 69 | QRectF layoutLegend( Options options, QRectF & ) const;
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| 70 |
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| 71 | private:
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| 72 | class PrivateData;
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| 73 | PrivateData *d_data;
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| 74 | };
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| 75 |
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| 76 | Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPolarLayout::Options )
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| 77 |
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| 78 | #endif
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