Qwt Polar User's Guide 1.1.1

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qwt_polar_layout.h
1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2 * QwtPolar Widget Library
3 * Copyright (C) 2008 Uwe Rathmann
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the Qwt License, Version 1.0
7 *****************************************************************************/
8
9 #ifndef QWT_POLAR_LAYOUT_H
10 #define QWT_POLAR_LAYOUT_H
11
12 #include "qwt_polar_global.h"
13 #include "qwt_polar_plot.h"
14
24 class QWT_POLAR_EXPORT QwtPolarLayout
25 {
26 public:
27
29 enum Option
30 {
32 IgnoreScrollbars = 0x01,
33
35 IgnoreFrames = 0x02,
36
38 IgnoreTitle = 0x04,
39
41 IgnoreLegend = 0x08
42 };
43
45 typedef QFlags<Option> Options;
46
47 explicit QwtPolarLayout();
48 virtual ~QwtPolarLayout();
49
50 void setLegendPosition( QwtPolarPlot::LegendPosition pos, double ratio );
51 void setLegendPosition( QwtPolarPlot::LegendPosition pos );
52 QwtPolarPlot::LegendPosition legendPosition() const;
53
54 void setLegendRatio( double ratio );
55 double legendRatio() const;
56
57 virtual void activate( const QwtPolarPlot *,
58 const QRectF &rect, Options options = 0 );
59
60 virtual void invalidate();
61
62 const QRectF &titleRect() const;
63 const QRectF &legendRect() const;
64 const QRectF &canvasRect() const;
65
66 class LayoutData;
67
68 protected:
69 QRectF layoutLegend( Options options, QRectF & ) const;
70
71 private:
72 class PrivateData;
73 PrivateData *d_data;
74 };
75
76 Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPolarLayout::Options )
77
78 #endif
QwtPolarLayout::Option
Option
Options to configure the plot layout engine.
Definition: qwt_polar_layout.h:29
QwtPolarLayout
Layout class for QwtPolarPlot.
Definition: qwt_polar_layout.h:24
QwtPolarLayout::Options
QFlags< Option > Options
Options to configure the plot layout engine.
Definition: qwt_polar_layout.h:45
QwtPolarPlot::LegendPosition
LegendPosition
Definition: qwt_polar_plot.h:59
QwtPolarPlot
A plotting widget, displaying a polar coordinate system.
Definition: qwt_polar_plot.h:46