QwtPlotAbstractCanvas Class Reference

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

#include <qwt_plot_abstract_canvas.h>

Inheritance diagram for QwtPlotAbstractCanvas:

Public Types
enum	FocusIndicator { NoFocusIndicator , CanvasFocusIndicator , ItemFocusIndicator }
	Focus indicator The default setting is NoFocusIndicator. More...

Public Member Functions
	QwtPlotAbstractCanvas (QWidget *canvasWidget)
	Constructor. More...
virtual	~QwtPlotAbstractCanvas ()
	Destructor.
QwtPlot *	plot ()
	Return parent plot widget.
const QwtPlot *	plot () const
	Return parent plot widget.
void	setFocusIndicator (FocusIndicator)
FocusIndicator	focusIndicator () const
void	setBorderRadius (double)
double	borderRadius () const

Protected Member Functions
QWidget *	canvasWidget ()
const QWidget *	canvasWidget () const
virtual void	drawFocusIndicator (QPainter *)
virtual void	drawBorder (QPainter *)
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.

Definition at line 21 of file qwt_plot_abstract_canvas.h.

Member Enumeration Documentation

FocusIndicator

enum QwtPlotAbstractCanvas::FocusIndicator

Focus indicator The default setting is NoFocusIndicator.

See also

setFocusIndicator(), focusIndicator(), drawFocusIndicator()

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 f.e. highlighting.

Definition at line 30 of file qwt_plot_abstract_canvas.h.

Constructor & Destructor Documentation

QwtPlotAbstractCanvas()

QwtPlotAbstractCanvas::QwtPlotAbstractCanvas ( QWidget *  canvasWidget )

explicit

Constructor.

Parameters

canvasWidget

plot canvas widget

Definition at line 534 of file qwt_plot_abstract_canvas.cpp.

Member Function Documentation

borderRadius()

double QwtPlotAbstractCanvas::borderRadius

(

)

const

Returns

Radius for the corners of the border frame

See also

setBorderRadius()

Definition at line 613 of file qwt_plot_abstract_canvas.cpp.

canvasBorderPath()

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

protected

Returns

Path for the canvas border

Definition at line 619 of file qwt_plot_abstract_canvas.cpp.

canvasWidget() [1/2]

QWidget * QwtPlotAbstractCanvas::canvasWidget ( )

protected

Returns

canvas widget

Definition at line 872 of file qwt_plot_abstract_canvas.cpp.

canvasWidget() [2/2]

const QWidget * QwtPlotAbstractCanvas::canvasWidget ( ) const

protected

Returns

canvas widget

Definition at line 878 of file qwt_plot_abstract_canvas.cpp.

drawBorder()

void QwtPlotAbstractCanvas::drawBorder ( QPainter *  painter )

protectedvirtual

Draw the border of the canvas

Parameters

painter

Painter

Reimplemented in QwtPlotCanvas.

Definition at line 628 of file qwt_plot_abstract_canvas.cpp.

drawFocusIndicator()

void QwtPlotAbstractCanvas::drawFocusIndicator ( QPainter *  painter )

protectedvirtual

Draw the focus indication

Parameters

painter

Painter

Definition at line 587 of file qwt_plot_abstract_canvas.cpp.

focusIndicator()

QwtPlotAbstractCanvas::FocusIndicator QwtPlotAbstractCanvas::focusIndicator

(

)

const

Returns

Focus indicator

See also

FocusIndicator, setFocusIndicator()

Definition at line 578 of file qwt_plot_abstract_canvas.cpp.

setBorderRadius()

void QwtPlotAbstractCanvas::setBorderRadius

(

double

radius

)

Set the radius for the corners of the border frame

Parameters

radius

Radius of a rounded corner

See also

borderRadius()

Definition at line 604 of file qwt_plot_abstract_canvas.cpp.

setFocusIndicator()

void QwtPlotAbstractCanvas::setFocusIndicator

(

FocusIndicator

focusIndicator

)

Set the focus indicator

See also

FocusIndicator, focusIndicator()

Definition at line 568 of file qwt_plot_abstract_canvas.cpp.