|
|
#ifndef QLEGEND_H
|
|
|
#define QLEGEND_H
|
|
|
|
|
|
#include "qchartglobal.h"
|
|
|
#include "qseries.h"
|
|
|
#include <QGraphicsObject>
|
|
|
|
|
|
QTCOMMERCIALCHART_BEGIN_NAMESPACE
|
|
|
|
|
|
class Domain;
|
|
|
class LegendMarker;
|
|
|
class QPieSlice;
|
|
|
class QXYSeries;
|
|
|
class QBarSet;
|
|
|
class QBarSeries;
|
|
|
class QPieSeries;
|
|
|
|
|
|
class QTCOMMERCIALCHART_EXPORT QLegend : public QGraphicsObject
|
|
|
{
|
|
|
Q_OBJECT
|
|
|
public:
|
|
|
|
|
|
enum PreferredLayout {
|
|
|
PreferredLayoutHorizontal,
|
|
|
PreferredLayoutVertical
|
|
|
};
|
|
|
|
|
|
explicit QLegend(QGraphicsItem *parent = 0);
|
|
|
|
|
|
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
|
|
|
QRectF boundingRect() const;
|
|
|
|
|
|
void setBackgroundBrush(const QBrush& brush);
|
|
|
QBrush backgroundBrush() const;
|
|
|
|
|
|
void setPreferredLayout(QLegend::PreferredLayout preferred);
|
|
|
|
|
|
QSizeF maximumSize() const;
|
|
|
void setMaximumSize(const QSizeF size);
|
|
|
|
|
|
void setSize(const QSizeF size);
|
|
|
void setPos(const QPointF &pos);
|
|
|
|
|
|
signals:
|
|
|
// for interactions.
|
|
|
void clicked(QSeries* series, Qt::MouseButton button);
|
|
|
void clicked(QBarSet* barset, Qt::MouseButton button);
|
|
|
void clicked(QPieSlice* slice, Qt::MouseButton button);
|
|
|
|
|
|
public slots:
|
|
|
void handleSeriesAdded(QSeries* series,Domain* domain);
|
|
|
void handleSeriesRemoved(QSeries* series);
|
|
|
void handleAdded(QList<QPieSlice*> slices);
|
|
|
void handleRemoved(QList<QPieSlice*> slices);
|
|
|
void handleMarkerDestroyed();
|
|
|
|
|
|
private:
|
|
|
// PIMPL --->
|
|
|
void connectSeries(QSeries* series);
|
|
|
void disconnectSeries(QSeries* series);
|
|
|
void createMarkers(QSeries* series);
|
|
|
void appendMarkers(QXYSeries* series); // All line series are derived from QXYSeries, so this works for now
|
|
|
void appendMarkers(QBarSeries* series);
|
|
|
void appendMarkers(QPieSeries* series);
|
|
|
void deleteMarkers(QSeries* series);
|
|
|
void layoutChanged();
|
|
|
// <--- PIMPL
|
|
|
|
|
|
QPointF mPos;
|
|
|
QSizeF mSize;
|
|
|
QSizeF mMinimumSize;
|
|
|
QSizeF mMaximumSize;
|
|
|
|
|
|
// QList<QSeries*> mSeriesList;
|
|
|
QList<LegendMarker*> mMarkers;
|
|
|
|
|
|
QBrush mBackgroundBrush;
|
|
|
QLegend::PreferredLayout mPreferredLayout;
|
|
|
};
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
|
|
#endif // QLEGEND_H
|
|
|
|
