#include <qwt_plot_layout.h>

Inheritance diagram for QwtPlotLayout:

Classes
class	PrivateData

Public Types
enum	Option { AlignScales = 0x01 , IgnoreScrollbars = 0x02 , IgnoreFrames = 0x04 , IgnoreLegend = 0x08 , IgnoreTitle = 0x10 , IgnoreFooter = 0x20 }
	Options to configure the plot layout engine. More...

Public Member Functions
	QwtPlotLayout ()
	Constructor.

virtual	~QwtPlotLayout ()
	Destructor.

void	setCanvasMargin (int margin, int axis=-1)
	Set the canvas margin for a specific axis position.

int	canvasMargin (int axisId) const
	Get the canvas margin for a specific axis position.

void	setAlignCanvasToScales (bool)
	Set the align-canvas-to-axis-scales flag for all axes.

void	setAlignCanvasToScale (int axisId, bool)
	Set the align-canvas-to-axis-scales setting for a specific axis.

bool	alignCanvasToScale (int axisId) const
	Get the align-canvas-to-axis-scales setting for a specific axis.

void	setSpacing (int)
	Set the spacing between plot components.

int	spacing () const
	Get the spacing between plot components.

void	setLegendPosition (QwtPlot::LegendPosition pos, double ratio)
	Set the legend position with a specified ratio.

void	setLegendPosition (QwtPlot::LegendPosition pos)
	Set the legend position.

QwtPlot::LegendPosition	legendPosition () const
	Get the legend position.

void	setLegendRatio (double ratio)
	Set the relative size of the legend in the plot.

double	legendRatio () const
	Get the relative size of the legend in the plot.

virtual QSize	minimumSizeHint (const QwtPlot *) const
	Calculate the minimum size hint for the plot.

virtual void	activate (const QwtPlot *plot, const QRectF &plotRect, Options options=Options())
	Recalculate the geometry of all plot components.

virtual void	invalidate ()
	Invalidate the geometry of all components.

QRectF	titleRect () const
	Get the geometry for the title.

QRectF	footerRect () const
	Get the geometry for the footer.

QRectF	legendRect () const
	Get the geometry for the legend.

QRectF	scaleRect (QwtAxisId) const
	Get the geometry for a scale axis.

QRectF	canvasRect () const
	Get the geometry for the canvas.

Protected Member Functions
void	setTitleRect (const QRectF &)
	Set the geometry for the title.

void	setFooterRect (const QRectF &)
	Set the geometry for the footer.

void	setLegendRect (const QRectF &)
	Set the geometry for the legend.

void	setScaleRect (QwtAxisId, const QRectF &)
	Set the geometry for an axis.

void	setCanvasRect (const QRectF &)
	Set the geometry for the canvas.

QwtPlotLayoutEngine *	layoutEngine ()

void	doActivate (const QwtPlot *plot, const QRectF &plotRect, Options options=Options())
	QwtPlotLayout::activate的具体实现

Detailed Description

Layout engine for QwtPlot.

Member Enumeration Documentation

◆ Option

enum QwtPlotLayout::Option

Options to configure the plot layout engine.

Enumerator
AlignScales	Unused .
IgnoreScrollbars	Ignore the dimension of the scrollbars.
IgnoreFrames	Ignore all frames .
IgnoreLegend	Ignore the legend .
IgnoreTitle	Ignore the title .
IgnoreFooter	Ignore the footer .

Constructor & Destructor Documentation

◆ QwtPlotLayout()

QwtPlotLayout::QwtPlotLayout ( )

explicit

Constructor.

◆ ~QwtPlotLayout()

QwtPlotLayout::~QwtPlotLayout ( )

virtual

Destructor.

Member Function Documentation

◆ activate()

void QwtPlotLayout::activate	(	const QwtPlot *	plot,
		const QRectF &	plotRect,
		Options	options = `Options()`
	)

virtual

Recalculate the geometry of all plot components.

Reimplemented in QwtParasitePlotLayout.

◆ alignCanvasToScale()

bool QwtPlotLayout::alignCanvasToScale ( int axisPos ) const

Get the align-canvas-to-axis-scales setting for a specific axis.

◆ canvasMargin()

int QwtPlotLayout::canvasMargin ( int axisPos ) const

Get the canvas margin for a specific axis position.

◆ canvasRect()

QRectF QwtPlotLayout::canvasRect ( ) const

Get the geometry for the canvas.

◆ doActivate()

void QwtPlotLayout::doActivate	(	const QwtPlot *	plot,
		const QRectF &	plotRect,
		Options	options = `Options()`
	)

protected

QwtPlotLayout::activate的具体实现

Parameters

plotRect
options

◆ footerRect()

QRectF QwtPlotLayout::footerRect ( ) const

Get the geometry for the footer.

◆ invalidate()

void QwtPlotLayout::invalidate ( )

virtual

Invalidate the geometry of all components.

◆ legendPosition()

QwtPlot::LegendPosition QwtPlotLayout::legendPosition ( ) const

Get the legend position.

◆ legendRatio()

double QwtPlotLayout::legendRatio ( ) const

Get the relative size of the legend in the plot.

◆ legendRect()

QRectF QwtPlotLayout::legendRect ( ) const

Get the geometry for the legend.

◆ minimumSizeHint()

QSize QwtPlotLayout::minimumSizeHint ( const QwtPlot * plot ) const

virtual

Calculate the minimum size hint for the plot.

Reimplemented in QwtParasitePlotLayout.

◆ scaleRect()

QRectF QwtPlotLayout::scaleRect ( QwtAxisId axisId ) const

Get the geometry for a scale axis.

◆ setAlignCanvasToScale()

void QwtPlotLayout::setAlignCanvasToScale	(	int	axisPos,
		bool	on
	)

Set the align-canvas-to-axis-scales setting for a specific axis.

◆ setAlignCanvasToScales()

void QwtPlotLayout::setAlignCanvasToScales ( bool on )

Set the align-canvas-to-axis-scales flag for all axes.

◆ setCanvasMargin()

void QwtPlotLayout::setCanvasMargin	(	int	margin,
		int	axisPos = `-1`
	)

Set the canvas margin for a specific axis position.

◆ setCanvasRect()

void QwtPlotLayout::setCanvasRect ( const QRectF & rect )

protected

Set the geometry for the canvas.

This method is intended to be used from derived layouts overloading activate()

See also: canvasRect(), activate()

◆ setFooterRect()

void QwtPlotLayout::setFooterRect ( const QRectF & rect )

protected

Set the geometry for the footer.

This method is intended to be used from derived layouts overloading activate()

See also: footerRect(), activate()

◆ setLegendPosition() [1/2]

void QwtPlotLayout::setLegendPosition ( QwtPlot::LegendPosition pos )

Set the legend position.

◆ setLegendPosition() [2/2]

void QwtPlotLayout::setLegendPosition	(	QwtPlot::LegendPosition	pos,
		double	ratio
	)

Set the legend position with a specified ratio.

◆ setLegendRatio()

void QwtPlotLayout::setLegendRatio ( double ratio )

Set the relative size of the legend in the plot.

◆ setLegendRect()

void QwtPlotLayout::setLegendRect ( const QRectF & rect )

protected

Set the geometry for the legend.

This method is intended to be used from derived layouts overloading activate()

Parameters

rect	Rectangle for the legend

See also: legendRect(), activate()

◆ setScaleRect()

void QwtPlotLayout::setScaleRect	(	QwtAxisId	axisId,
		const QRectF &	rect
	)

protected

Set the geometry for an axis.

This method is intended to be used from derived layouts overloading activate()

Parameters

axisId	Axis
rect	Rectangle for the scale

See also: scaleRect(), activate()

◆ setSpacing()

void QwtPlotLayout::setSpacing ( int spacing )

Set the spacing between plot components.

◆ setTitleRect()

void QwtPlotLayout::setTitleRect ( const QRectF & rect )

protected

Set the geometry for the title.

This method is intended to be used from derived layouts overloading activate()

See also: titleRect(), activate()

◆ spacing()

int QwtPlotLayout::spacing ( ) const

Get the spacing between plot components.

◆ titleRect()

QRectF QwtPlotLayout::titleRect ( ) const

Get the geometry for the title.

The documentation for this class was generated from the following files:

/home/runner/work/QWT/QWT/src/plot/qwt_plot_layout.h
/home/runner/work/QWT/QWT/src/plot/qwt_plot_layout.cpp

Classes

Public Types

Public Member Functions

Protected Member Functions

Detailed Description

Member Enumeration Documentation

◆ Option

Constructor & Destructor Documentation

◆ QwtPlotLayout()

◆ ~QwtPlotLayout()

Member Function Documentation

◆ activate()

◆ alignCanvasToScale()

◆ canvasMargin()

◆ canvasRect()

◆ doActivate()

◆ footerRect()

◆ invalidate()

◆ legendPosition()

◆ legendRatio()

◆ legendRect()

◆ minimumSizeHint()

◆ scaleRect()

◆ setAlignCanvasToScale()

◆ setAlignCanvasToScales()

◆ setCanvasMargin()

◆ setCanvasRect()

◆ setFooterRect()

◆ setLegendPosition() [1/2]

◆ setLegendPosition() [2/2]

◆ setLegendRatio()

◆ setLegendRect()

◆ setScaleRect()

◆ setSpacing()

◆ setTitleRect()

◆ spacing()

◆ titleRect()