You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
123 lines
3.2 KiB
C++
123 lines
3.2 KiB
C++
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
|
|
* Qwt Widget Library
|
|
* Copyright (C) 1997 Josef Wilgen
|
|
* Copyright (C) 2002 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_PLOT_LAYOUT_H
|
|
#define QWT_PLOT_LAYOUT_H
|
|
|
|
#include "qwt_global.h"
|
|
#include "qwt_plot.h"
|
|
|
|
/*!
|
|
\brief Layout engine for QwtPlot.
|
|
|
|
It is used by the QwtPlot widget to organize its internal widgets
|
|
or by QwtPlot::print() to render its content to a QPaintDevice like
|
|
a QPrinter, QPixmap/QImage or QSvgRenderer.
|
|
|
|
\sa QwtPlot::setPlotLayout()
|
|
*/
|
|
|
|
class QWT_EXPORT QwtPlotLayout
|
|
{
|
|
public:
|
|
/*!
|
|
Options to configure the plot layout engine
|
|
\sa activate(), QwtPlotRenderer
|
|
*/
|
|
enum Option
|
|
{
|
|
//! Unused
|
|
AlignScales = 0x01,
|
|
|
|
/*!
|
|
Ignore the dimension of the scrollbars. There are no
|
|
scrollbars, when the plot is not rendered to widgets.
|
|
*/
|
|
IgnoreScrollbars = 0x02,
|
|
|
|
//! Ignore all frames.
|
|
IgnoreFrames = 0x04,
|
|
|
|
//! Ignore the legend.
|
|
IgnoreLegend = 0x08,
|
|
|
|
//! Ignore the title.
|
|
IgnoreTitle = 0x10,
|
|
|
|
//! Ignore the footer.
|
|
IgnoreFooter = 0x20
|
|
};
|
|
|
|
//! Layout options
|
|
typedef QFlags<Option> Options;
|
|
|
|
explicit QwtPlotLayout();
|
|
virtual ~QwtPlotLayout();
|
|
|
|
void setCanvasMargin( int margin, int axis = -1 );
|
|
int canvasMargin( int axisId ) const;
|
|
|
|
void setAlignCanvasToScales( bool );
|
|
|
|
void setAlignCanvasToScale( int axisId, bool );
|
|
bool alignCanvasToScale( int axisId ) const;
|
|
|
|
void setSpacing( int );
|
|
int spacing() const;
|
|
|
|
void setLegendPosition( QwtPlot::LegendPosition pos, double ratio );
|
|
void setLegendPosition( QwtPlot::LegendPosition pos );
|
|
QwtPlot::LegendPosition legendPosition() const;
|
|
|
|
void setLegendRatio( double ratio );
|
|
double legendRatio() const;
|
|
|
|
virtual QSize minimumSizeHint( const QwtPlot * ) const;
|
|
|
|
virtual void activate( const QwtPlot *,
|
|
const QRectF &plotRect, Options options = Options() );
|
|
|
|
virtual void invalidate();
|
|
|
|
QRectF titleRect() const;
|
|
QRectF footerRect() const;
|
|
QRectF legendRect() const;
|
|
QRectF scaleRect( int axis ) const;
|
|
QRectF canvasRect() const;
|
|
|
|
class LayoutData;
|
|
|
|
protected:
|
|
|
|
void setTitleRect( const QRectF & );
|
|
void setFooterRect( const QRectF & );
|
|
void setLegendRect( const QRectF & );
|
|
void setScaleRect( int axis, const QRectF & );
|
|
void setCanvasRect( const QRectF & );
|
|
|
|
QRectF layoutLegend( Options options, const QRectF & ) const;
|
|
QRectF alignLegend( const QRectF &canvasRect,
|
|
const QRectF &legendRect ) const;
|
|
|
|
void expandLineBreaks( Options options, const QRectF &rect,
|
|
int &dimTitle, int &dimFooter, int dimAxes[QwtPlot::axisCnt] ) const;
|
|
|
|
void alignScales( Options options, QRectF &canvasRect,
|
|
QRectF scaleRect[QwtPlot::axisCnt] ) const;
|
|
|
|
private:
|
|
class PrivateData;
|
|
|
|
PrivateData *d_data;
|
|
};
|
|
|
|
Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotLayout::Options )
|
|
|
|
#endif
|