QwtPlotAbstractCanvas Class Reference

Base class for all type of plot canvases . More...

#include <qwt_plot_abstract_canvas.h>

Inheritance diagram for QwtPlotAbstractCanvas:

Classes
class	PrivateData

Public Types
enum	FocusIndicator { NoFocusIndicator , CanvasFocusIndicator , ItemFocusIndicator }
	Focus indicator. More...

Public Member Functions
	QwtPlotAbstractCanvas (QWidget *canvasWidget)
	Constructor.
virtual	~QwtPlotAbstractCanvas ()
	Destructor .
QwtPlot *	plot ()
	Return parent plot widget.
const QwtPlot *	plot () const
	Return parent plot widget.
void	setFocusIndicator (FocusIndicator)
	Set the focus indicator.
FocusIndicator	focusIndicator () const
	Get the focus indicator.
void	setBorderRadius (double)
	Set the radius for the corners of the border frame.
double	borderRadius () const
	Get the radius for the corners of the border frame.

Protected Member Functions
QWidget *	canvasWidget ()
const QWidget *	canvasWidget () const
virtual void	drawFocusIndicator (QPainter *)
	Draw the focus indication.
virtual void	drawBorder (QPainter *)
	Draw the border of the canvas.
virtual void	drawBackground (QPainter *)
	Helper function for the derived plot canvas.
void	fillBackground (QPainter *)
	Helper function for the derived plot canvas.
void	drawCanvas (QPainter *)
	Draw the plot to the canvas.
void	drawStyled (QPainter *, bool)
	Helper function for the derived plot canvas.
void	drawUnstyled (QPainter *)
	Helper function for the derived plot canvas.
QPainterPath	canvasBorderPath (const QRect &rect) const
void	updateStyleSheetInfo ()
	Update the cached information about the current style sheet.

Detailed Description

Base class for all type of plot canvases

.

Member Enumeration Documentation

FocusIndicator

enum QwtPlotAbstractCanvas::FocusIndicator

Focus indicator.

Enumerator
NoFocusIndicator	Don't paint a focus indicator
CanvasFocusIndicator	The focus is related to the complete canvas. Paint the focus indicator using drawFocusIndicator()
ItemFocusIndicator	The focus is related to an item (curve, point, ...) on the canvas. It is up to the application to display a focus indication using e.g. highlighting.

Constructor & Destructor Documentation

QwtPlotAbstractCanvas()

QwtPlotAbstractCanvas::QwtPlotAbstractCanvas ( QWidget *  canvasWidget )

explicit

Constructor.

~QwtPlotAbstractCanvas()

QwtPlotAbstractCanvas::~QwtPlotAbstractCanvas ( )

virtual

Destructor .

Member Function Documentation

borderRadius()

double QwtPlotAbstractCanvas::borderRadius

(

)

const

Get the radius for the corners of the border frame.

canvasBorderPath()

QPainterPath QwtPlotAbstractCanvas::canvasBorderPath ( const QRect &  rect ) const

protected

Returns

Path for the canvas border

canvasWidget() [1/2]

QWidget * QwtPlotAbstractCanvas::canvasWidget ( )

protected

Returns

canvas widget

canvasWidget() [2/2]

const QWidget * QwtPlotAbstractCanvas::canvasWidget ( ) const

protected

Returns

canvas widget

drawBorder()

void QwtPlotAbstractCanvas::drawBorder ( QPainter *  painter )

protectedvirtual

Draw the border of the canvas.

Parameters

painter

Painter

Reimplemented in QwtPlotCanvas, and QwtPlotTransparentCanvas.

drawFocusIndicator()

void QwtPlotAbstractCanvas::drawFocusIndicator ( QPainter *  painter )

protectedvirtual

Draw the focus indication.

Parameters

painter

Painter

focusIndicator()

QwtPlotAbstractCanvas::FocusIndicator QwtPlotAbstractCanvas::focusIndicator

(

)

const

Get the focus indicator.

plot() [1/2]

QwtPlot * QwtPlotAbstractCanvas::plot

(

)

Return parent plot widget.

plot() [2/2]

const QwtPlot * QwtPlotAbstractCanvas::plot

(

)

const

Return parent plot widget.

setBorderRadius()

void QwtPlotAbstractCanvas::setBorderRadius

(

double

radius

)

Set the radius for the corners of the border frame.

setFocusIndicator()

void QwtPlotAbstractCanvas::setFocusIndicator

(

FocusIndicator

focusIndicator

)

Set the focus indicator.

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

• /home/runner/work/QWT/QWT/src/plot/qwt_plot_abstract_canvas.h
• /home/runner/work/QWT/QWT/src/plot/qwt_plot_abstract_canvas.cpp