QwtLegendItemManager Class Reference

#include <qwt_legend_itemmanager.h>

Inherited by QwtPlotItem.

List of all members.

Public Member Functions
virtual void	drawLegendIdentifier (QPainter *, const QRectF &) const
virtual QWidget *	legendItem () const =0
	QwtLegendItemManager ()
virtual void	updateLegend (QwtLegend *legend) const =0
virtual	~QwtLegendItemManager ()

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Detailed Description

Abstract API to bind plot items to the legend.

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Constructor & Destructor Documentation

QwtLegendItemManager::QwtLegendItemManager

(

)

[inline]

Constructor.

virtual QwtLegendItemManager::~QwtLegendItemManager

(

)

[inline, virtual]

Destructor.

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Member Function Documentation

virtual void QwtLegendItemManager::drawLegendIdentifier	(	QPainter *	,
		const QRectF &
	)		const [inline, virtual]

QwtLegendItem can display an icon-identifier followed by a text. The icon helps to identify a plot item on the plot canvas and depends on the type of information, that is displayed.

The default implementation paints nothing.

Reimplemented in QwtPlotCurve, QwtPlotIntervalCurve, QwtPlotMarker, and QwtPlotHistogram.

virtual QWidget* QwtLegendItemManager::legendItem

(

)

const [pure virtual]

Allocate the widget that represents the item on the legend

Returns:

Allocated widget

See also:

updateLegend() QwtLegend()

Implemented in QwtPlotItem.

virtual void QwtLegendItemManager::updateLegend

(

QwtLegend *

legend

)

const [pure virtual]

Update the widget that represents the item on the legend

Parameters:

legend

Legend

See also:

legendItem()

Implemented in QwtPlotCurve, QwtPlotItem, and QwtPlotMarker.