Qwt User's Guide 6.3.0

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qwt_plot_layout.h
1/******************************************************************************
2 * Qwt Widget Library
3 * Copyright (C) 1997 Josef Wilgen
4 * Copyright (C) 2002 Uwe Rathmann
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the Qwt License, Version 1.0
8 *****************************************************************************/
9
10#ifndef QWT_PLOT_LAYOUT_H
11#define QWT_PLOT_LAYOUT_H
12
13#include "qwt_global.h"
14#include "qwt_plot.h"
15#include "qwt_axis_id.h"
16
27 class QWT_EXPORT QwtPlotLayout
28{
29 public:
34 enum Option
35 {
37 AlignScales = 0x01,
38
43 IgnoreScrollbars = 0x02,
44
46 IgnoreFrames = 0x04,
47
49 IgnoreLegend = 0x08,
50
52 IgnoreTitle = 0x10,
53
55 IgnoreFooter = 0x20
56 };
57
58 Q_DECLARE_FLAGS( Options, Option )
59
60 explicit QwtPlotLayout();
61 virtual ~QwtPlotLayout();
62
63 void setCanvasMargin( int margin, int axis = -1 );
64 int canvasMargin( int axisId ) const;
65
66 void setAlignCanvasToScales( bool );
67
68 void setAlignCanvasToScale( int axisId, bool );
69 bool alignCanvasToScale( int axisId ) const;
70
71 void setSpacing( int );
72 int spacing() const;
73
74 void setLegendPosition( QwtPlot::LegendPosition pos, double ratio );
75 void setLegendPosition( QwtPlot::LegendPosition pos );
76 QwtPlot::LegendPosition legendPosition() const;
77
78 void setLegendRatio( double ratio );
79 double legendRatio() const;
80
81 virtual QSize minimumSizeHint( const QwtPlot* ) const;
82
83 virtual void activate( const QwtPlot*,
84 const QRectF& plotRect, Options options = Options() );
85
86 virtual void invalidate();
87
88 QRectF titleRect() const;
89 QRectF footerRect() const;
90 QRectF legendRect() const;
91 QRectF scaleRect( QwtAxisId ) const;
92 QRectF canvasRect() const;
93
94 protected:
95
96 void setTitleRect( const QRectF& );
97 void setFooterRect( const QRectF& );
98 void setLegendRect( const QRectF& );
99 void setScaleRect( QwtAxisId, const QRectF& );
100 void setCanvasRect( const QRectF& );
101
102 private:
103 Q_DISABLE_COPY(QwtPlotLayout)
104
105 class PrivateData;
106 PrivateData* m_data;
107};
108
109Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotLayout::Options )
110
111#endif
QwtPlot
A 2-D plotting widget.
Definition qwt_plot.h:79
QwtPlot::LegendPosition
LegendPosition
Definition qwt_plot.h:94
QwtPlotLayout
Layout engine for QwtPlot.
Definition qwt_plot_layout.h:28
QwtPlotLayout::Options
QFlags< Option > Options
Definition qwt_plot_layout.h:58
QwtPlotLayout::Option
Option
Definition qwt_plot_layout.h:35