scatterchartitem_p.h
123 lines
| 3.0 KiB
| text/x-c
|
CLexer
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r794 | /**************************************************************************** | ||
** | ||||
** Copyright (C) 2012 Digia Plc | ||||
** All rights reserved. | ||||
** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
** | ||||
** This file is part of the Qt Commercial Charts Add-on. | ||||
** | ||||
** $QT_BEGIN_LICENSE$ | ||||
** Licensees holding valid Qt Commercial licenses may use this file in | ||||
** accordance with the Qt Commercial License Agreement provided with the | ||||
** Software or, alternatively, in accordance with the terms contained in | ||||
** a written agreement between you and Digia. | ||||
** | ||||
** If you have questions regarding the use of this file, please use | ||||
** contact form at http://qt.digia.com | ||||
** $QT_END_LICENSE$ | ||||
** | ||||
****************************************************************************/ | ||||
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r1366 | // W A R N I N G | ||
// ------------- | ||||
// | ||||
// This file is not part of the QtCommercial Chart API. It exists purely as an | ||||
// implementation detail. This header file may change from version to | ||||
// version without notice, or even be removed. | ||||
// | ||||
// We mean it. | ||||
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r969 | #ifndef SCATTERCHARTITEM_H | ||
#define SCATTERCHARTITEM_H | ||||
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r470 | |||
#include "qchartglobal.h" | ||||
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r1218 | #include "xychart_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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r1218 | class ScatterChartItem : public XYChart, public QGraphicsItem | ||
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r470 | { | ||
Q_OBJECT | ||||
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r1232 | Q_INTERFACES(QGraphicsItem) | ||
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r470 | 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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r1763 | void markerSelected(QGraphicsItem *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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r1217 | void updateGeometry(); | ||
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r470 | |||
private: | ||||
QScatterSeries *m_series; | ||||
QGraphicsItemGroup m_items; | ||||
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r1346 | bool m_visible; | ||
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r470 | int m_shape; | ||
int m_size; | ||||
QRectF m_rect; | ||||
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r1763 | QMap<QGraphicsItem *, QPointF> m_markerMap; | ||
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r470 | }; | ||
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r1763 | class CircleMarker: public QGraphicsEllipseItem | ||
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r541 | { | ||
public: | ||||
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r2104 | CircleMarker(qreal x, qreal y, qreal w, qreal h, ScatterChartItem *parent) | ||
: QGraphicsEllipseItem(x, y, w, h, parent), | ||||
m_parent(parent) | ||||
{ | ||||
} | ||||
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r541 | |||
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r1763 | protected: | ||
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r2097 | void mousePressEvent(QGraphicsSceneMouseEvent *event) | ||
{ | ||||
m_parent->markerSelected(this); | ||||
QGraphicsEllipseItem::mousePressEvent(event); | ||||
} | ||||
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r541 | |||
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r1763 | private: | ||
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r2104 | ScatterChartItem *m_parent; | ||
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r1763 | }; | ||
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r541 | |||
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r1763 | class RectangleMarker: public QGraphicsRectItem | ||
{ | ||||
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r541 | |||
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r1763 | public: | ||
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r2097 | RectangleMarker(qreal x, qreal y, qreal w, qreal h, ScatterChartItem *parent) | ||
: QGraphicsRectItem(x, y, w, h, parent), | ||||
m_parent(parent) | ||||
{ | ||||
} | ||||
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r541 | |||
protected: | ||||
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r2097 | void mousePressEvent(QGraphicsSceneMouseEvent *event) | ||
{ | ||||
m_parent->markerSelected(this); | ||||
QGraphicsRectItem::mousePressEvent(event); | ||||
} | ||||
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r541 | |||
private: | ||||
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r2104 | ScatterChartItem *m_parent; | ||
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r541 | }; | ||
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r470 | QTCOMMERCIALCHART_END_NAMESPACE | ||
#endif // SCATTERPRESENTER_H | ||||