Layout class for QwtPlot. Más...

#include <qwt_plot_layout.h>

Clases
class	LayoutData
class	PrivateData
Tipos públicos
enum	Options { AlignScales = 1, IgnoreScrollbars = 2, IgnoreFrames = 4, IgnoreMargin = 8, IgnoreLegend = 16 }
Métodos públicos
	QwtPlotLayout ()
	Constructor.
virtual	~QwtPlotLayout ()
	Destructor.
void	setMargin (int)
int	margin () const
void	setCanvasMargin (int margin, int axis=-1)
int	canvasMargin (int axis) const
void	setAlignCanvasToScales (bool)
bool	alignCanvasToScales () const
void	setSpacing (int)
int	spacing () const
void	setLegendPosition (QwtPlot::LegendPosition pos, double ratio)
	Specify the position of the legend.
void	setLegendPosition (QwtPlot::LegendPosition pos)
	Specify the position of the legend.
QwtPlot::LegendPosition	legendPosition () const
void	setLegendRatio (double ratio)
double	legendRatio () const
virtual QSize	minimumSizeHint (const QwtPlot *) const
	Return a minimum size hint.
virtual void	activate (const QwtPlot *, const QRect &rect, int options=0)
	Recalculate the geometry of all components.
virtual void	invalidate ()
const QRect &	titleRect () const
const QRect &	legendRect () const
const QRect &	scaleRect (int axis) const
const QRect &	canvasRect () const
Métodos protegidos
QRect	layoutLegend (int options, const QRect &) const
QRect	alignLegend (const QRect &canvasRect, const QRect &legendRect) const
void	expandLineBreaks (int options, const QRect &rect, int &dimTitle, int dimAxes[QwtPlot::axisCnt]) const
void	alignScales (int options, QRect &canvasRect, QRect scaleRect[QwtPlot::axisCnt]) const

Descripción detallada

Layout class for QwtPlot.

Organizes the geometry for the different QwtPlot components.

Documentación de las enumeraciones miembro de la clase

enum QwtPlotLayout::Options

Valores de enumeraciones:

AlignScales
IgnoreScrollbars
IgnoreFrames
IgnoreMargin
IgnoreLegend

Documentación del constructor y destructor

QwtPlotLayout::QwtPlotLayout ( ) [explicit]

Constructor.

QwtPlotLayout::~QwtPlotLayout ( ) [virtual]

Destructor.

Documentación de las funciones miembro

void QwtPlotLayout::activate	(	const QwtPlot *	plot,
		const QRect &	plotRect,
		int	options = `0`
	)		`[virtual]`

Recalculate the geometry of all components.

Parámetros:

plot	Plot to be layout
plotRect	Rect where to place the components
options	Options

Ver también:: invalidate(), titleRect(), legendRect(), scaleRect(), canvasRect()

bool QwtPlotLayout::alignCanvasToScales ( ) const

Return the align-canvas-to-axis-scales setting. The canvas may:

extend beyond the axis scale ends to maximize its size
align with the axis scale ends to control its size.

Devuelve:: align-canvas-to-axis-scales setting

Ver también:: setAlignCanvasToScales, setCanvasMargin()

Nota:: In this context the term 'scale' means the backbone of a scale.

QRect QwtPlotLayout::alignLegend	(	const QRect &	canvasRect,
		const QRect &	legendRect
	)		const `[protected]`

Align the legend to the canvas

Parámetros:

canvasRect	Geometry of the canvas
legendRect	Maximum geometry for the legend

Devuelve:: Geometry for the aligned legend

void QwtPlotLayout::alignScales	(	int	options,
		QRect &	canvasRect,
		QRect	scaleRect[QwtPlot::axisCnt]
	)		const `[protected]`

Align the ticks of the axis to the canvas borders using the empty corners.

int QwtPlotLayout::canvasMargin ( int axis ) const

Devuelve:: Margin around the scale tick borders

Ver también:: setCanvasMargin()

const QRect & QwtPlotLayout::canvasRect ( ) const

Devuelve:: Geometry for the canvas

Ver también:: activate(), invalidate()

void QwtPlotLayout::expandLineBreaks	(	int	options,
		const QRect &	rect,
		int &	dimTitle,
		int	dimAxis[QwtPlot::axisCnt]
	)		const `[protected]`

Expand all line breaks in text labels, and calculate the height of their widgets in orientation of the text.

Parámetros:

options	Options how to layout the legend
rect	Bounding rect for title, axes and canvas.
dimTitle	Expanded height of the title widget
dimAxis	Expanded heights of the axis in axis orientation.

void QwtPlotLayout::invalidate ( ) [virtual]

Invalidate the geometry of all components.

Ver también:: activate()

QRect QwtPlotLayout::layoutLegend	(	int	options,
		const QRect &	rect
	)		const `[protected]`

Find the geometry for the legend

Parámetros:

options	Options how to layout the legend
rect	Rectangle where to place the legend

Devuelve:: Geometry for the legend

QwtPlot::LegendPosition QwtPlotLayout::legendPosition ( ) const

Devuelve:: Position of the legend

Ver también:: setLegendPosition(), QwtPlot::setLegendPosition(), QwtPlot::legendPosition()

double QwtPlotLayout::legendRatio ( ) const

Devuelve:: The relative size of the legend in the plot.

Ver también:: setLegendPosition()

const QRect & QwtPlotLayout::legendRect ( ) const

Devuelve:: Geometry for the legend

Ver también:: activate(), invalidate()

int QwtPlotLayout::margin ( ) const

Devuelve:: margin

Ver también:: setMargin(), spacing(), QwtPlot::margin()

QSize QwtPlotLayout::minimumSizeHint ( const QwtPlot * plot ) const [virtual]

Return a minimum size hint.

Ver también:: QwtPlot::minimumSizeHint()

const QRect & QwtPlotLayout::scaleRect ( int axis ) const

Parámetros:

axis	Axis index

Devuelve:: Geometry for the scale

Ver también:: activate(), invalidate()

void QwtPlotLayout::setAlignCanvasToScales ( bool alignCanvasToScales )

Change the align-canvas-to-axis-scales setting. The canvas may:

extend beyond the axis scale ends to maximize its size,
align with the axis scale ends to control its size.

Parámetros:

alignCanvasToScales New align-canvas-to-axis-scales setting

Ver también:: setCanvasMargin()

Nota:: In this context the term 'scale' means the backbone of a scale.

Atención:: In case of alignCanvasToScales == true canvasMargin will have no effect

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

Change a margin of the canvas. The margin is the space above/below the scale ticks. A negative margin will be set to -1, excluding the borders of the scales.

Parámetros:

margin	New margin
axis	One of QwtPlot::Axis. Specifies where the position of the margin. -1 means margin at all borders.

Ver también:: canvasMargin()

Atención:: The margin will have no effect when alignCanvasToScales is true

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

Specify the position of the legend.

Parámetros:

pos	The legend's position.
ratio	Ratio between legend and the bounding rect of title, canvas and axes. The legend will be shrinked if it would need more space than the given ratio. The ratio is limited to ]0.0 .. 1.0]. In case of <= 0.0 it will be reset to the default ratio. The default vertical/horizontal ratio is 0.33/0.5.

Ver también:: QwtPlot::setLegendPosition()

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

Specify the position of the legend.

Parámetros:

pos	The legend's position. Valid values are `QwtPlot::LeftLegend`, `QwtPlot::RightLegend`, `QwtPlot::TopLegend`, `QwtPlot::BottomLegend`.

Ver también:: QwtPlot::setLegendPosition()

void QwtPlotLayout::setLegendRatio ( double ratio )

Specify the relative size of the legend in the plot

Parámetros:

ratio Ratio between legend and the bounding rect of title, canvas and axes. The legend will be shrinked if it would need more space than the given ratio. The ratio is limited to ]0.0 .. 1.0]. In case of <= 0.0 it will be reset to the default ratio. The default vertical/horizontal ratio is 0.33/0.5.

void QwtPlotLayout::setMargin ( int margin )

Change the margin of the plot. The margin is the space around all components.

Parámetros:

margin new margin