| Qwt User's Guide
    6.0.2
    | 
#include <qwt_legend_itemmanager.h>

| Public Member Functions | |
| QwtLegendItemManager () | |
| virtual | ~QwtLegendItemManager () | 
| virtual void | drawLegendIdentifier (QPainter *, const QRectF &) const | 
| virtual QWidget * | legendItem () const =0 | 
| virtual void | updateLegend (QwtLegend *legend) const =0 | 
Abstract API to bind plot items to the legend.
| 
 | inlinevirtual | 
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.
| 
 | pure virtual | 
Allocate the widget that represents the item on the legend
Implemented in QwtPlotItem.
| 
 | pure virtual | 
Update the widget that represents the item on the legend
| legend | Legend | 
Implemented in QwtPlotCurve, QwtPlotItem, and QwtPlotMarker.
 1.8.1
 1.8.1