scatterchartitem_p.h
120 lines
| 2.1 KiB
| text/x-c
|
CLexer
|
r470 | #ifndef SCATTERPRESENTER_H | ||
#define SCATTERPRESENTER_H | ||||
#include "qchartglobal.h" | ||||
#include "xychartitem_p.h" | ||||
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r536 | #include <QGraphicsEllipseItem> | ||
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r470 | #include <QPen> | ||
QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||||
class QScatterSeries; | ||||
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r541 | class Marker; | ||
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r470 | |||
class ScatterChartItem : public XYChartItem | ||||
{ | ||||
Q_OBJECT | ||||
public: | ||||
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r677 | explicit ScatterChartItem(QScatterSeries *series, ChartPresenter *presenter); | ||
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r470 | |||
public: | ||||
//from QGraphicsItem | ||||
QRectF boundingRect() const; | ||||
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); | ||||
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r743 | void setPen(const QPen &pen); | ||
void setBrush(const QBrush &brush); | ||||
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r470 | |||
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r743 | void markerSelected(Marker *item); | ||
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r541 | |||
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r775 | public Q_SLOTS: | ||
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r470 | void handleUpdated(); | ||
private: | ||||
void createPoints(int count); | ||||
void deletePoints(int count); | ||||
protected: | ||||
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r743 | void setLayout(QVector<QPointF> &points); | ||
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r470 | |||
private: | ||||
QScatterSeries *m_series; | ||||
QGraphicsItemGroup m_items; | ||||
int m_shape; | ||||
int m_size; | ||||
QRectF m_rect; | ||||
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r476 | |||
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r470 | }; | ||
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r541 | |||
class Marker: public QAbstractGraphicsShapeItem | ||||
{ | ||||
public: | ||||
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r743 | Marker(QAbstractGraphicsShapeItem *item , ScatterChartItem *parent) : QAbstractGraphicsShapeItem(0) ,m_item(item), m_parent(parent) | ||
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r541 | { | ||
}; | ||||
~Marker() | ||||
{ | ||||
delete m_item; | ||||
} | ||||
void setIndex(int index) | ||||
{ | ||||
m_index=index; | ||||
} | ||||
int index() const | ||||
{ | ||||
return m_index; | ||||
} | ||||
QPainterPath shape() const | ||||
{ | ||||
return m_item->shape(); | ||||
} | ||||
QRectF boundingRect() const | ||||
{ | ||||
return m_item->boundingRect(); | ||||
} | ||||
bool contains(const QPointF &point) const | ||||
{ | ||||
return m_item->contains(point); | ||||
} | ||||
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r743 | void setPen(const QPen &pen) | ||
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r541 | { | ||
m_item->setPen(pen); | ||||
} | ||||
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r743 | void setBrush(const QBrush &brush) | ||
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r541 | { | ||
m_item->setBrush(brush); | ||||
} | ||||
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) | ||||
{ | ||||
m_item->paint(painter,option,widget); | ||||
} | ||||
protected: | ||||
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r611 | void mousePressEvent(QGraphicsSceneMouseEvent *event) | ||
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r541 | { | ||
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r611 | Q_UNUSED(event) | ||
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r541 | m_parent->markerSelected(this); | ||
} | ||||
private: | ||||
QAbstractGraphicsShapeItem* m_item; | ||||
ScatterChartItem* m_parent; | ||||
int m_index; | ||||
}; | ||||
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r470 | QTCOMMERCIALCHART_END_NAMESPACE | ||
#endif // SCATTERPRESENTER_H | ||||