qt_demoe/qwtdemo/examples/stockchart/legend.h

43 lines
838 B
C++

#ifndef _LEGEND_H_
#define _LEGEND_H_
#include <qwt_abstract_legend.h>
class LegendTreeView;
class QStandardItem;
class QModelIndex;
class QwtPlotItem;
class Legend : public QwtAbstractLegend
{
Q_OBJECT
public:
explicit Legend( QWidget *parent = NULL );
virtual ~Legend();
virtual void renderLegend( QPainter *,
const QRectF &, bool fillBackground ) const;
virtual bool isEmpty() const;
virtual int scrollExtent( Qt::Orientation ) const;
Q_SIGNALS:
void checked( QwtPlotItem *plotItem, bool on, int index );
public Q_SLOTS:
virtual void updateLegend( const QVariant &,
const QList<QwtLegendData> & );
private Q_SLOTS:
void handleClick( const QModelIndex & );
private:
void updateItem( QStandardItem *, const QwtLegendData & );
LegendTreeView *d_treeView;
};
#endif