scatterchartitem_p.h
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| 3.8 KiB
| text/x-c
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CLexer
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r794 | /**************************************************************************** | ||
** | ||||
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r2688 | ** Copyright (C) 2014 Digia Plc | ||
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r794 | ** All rights reserved. | ||
** For any questions to Digia, please use contact form at http://qt.digia.com | ||||
** | ||||
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r2574 | ** This file is part of the Qt Enterprise Charts Add-on. | ||
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r794 | ** | ||
** $QT_BEGIN_LICENSE$ | ||||
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r2574 | ** Licensees holding valid Qt Enterprise licenses may use this file in | ||
** accordance with the Qt Enterprise License Agreement provided with the | ||||
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r794 | ** 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 | ||
// ------------- | ||||
// | ||||
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r2574 | // This file is not part of the Qt Enterprise Chart API. It exists purely as an | ||
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r1366 | // 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> | ||
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r2712 | QT_CHARTS_BEGIN_NAMESPACE | ||
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r470 | |||
class QScatterSeries; | ||||
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r2273 | class ScatterChartItem : public XYChart | ||
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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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r2483 | explicit ScatterChartItem(QScatterSeries *series, QGraphicsItem *item = 0); | ||
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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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r2261 | void markerHovered(QGraphicsItem *item, bool state); | ||
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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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r2689 | |||
bool m_pointLabelsVisible; | ||||
QString m_pointLabelsFormat; | ||||
QFont m_pointLabelsFont; | ||||
QColor m_pointLabelsColor; | ||||
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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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r2261 | setAcceptHoverEvents(true); | ||
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r2104 | } | ||
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r541 | |||
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r1763 | protected: | ||
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r2097 | void mousePressEvent(QGraphicsSceneMouseEvent *event) | ||
{ | ||||
QGraphicsEllipseItem::mousePressEvent(event); | ||||
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r2684 | m_parent->markerSelected(this); | ||
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r2097 | } | ||
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r2261 | void hoverEnterEvent(QGraphicsSceneHoverEvent *event) | ||
{ | ||||
QGraphicsEllipseItem::hoverEnterEvent(event); | ||||
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r2684 | m_parent->markerHovered(this, true); | ||
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r2261 | } | ||
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) | ||||
{ | ||||
QGraphicsEllipseItem::hoverLeaveEvent(event); | ||||
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r2684 | m_parent->markerHovered(this, false); | ||
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r2261 | } | ||
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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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r2261 | setAcceptHoverEvents(true); | ||
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r2097 | } | ||
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r541 | |||
protected: | ||||
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r2097 | void mousePressEvent(QGraphicsSceneMouseEvent *event) | ||
{ | ||||
QGraphicsRectItem::mousePressEvent(event); | ||||
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r2684 | m_parent->markerSelected(this); | ||
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r2097 | } | ||
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r2261 | void hoverEnterEvent(QGraphicsSceneHoverEvent *event) | ||
{ | ||||
QGraphicsRectItem::hoverEnterEvent(event); | ||||
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r2684 | m_parent->markerHovered(this, true); | ||
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r2261 | } | ||
void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) | ||||
{ | ||||
QGraphicsRectItem::hoverLeaveEvent(event); | ||||
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r2684 | m_parent->markerHovered(this, false); | ||
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r2261 | } | ||
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r541 | |||
private: | ||||
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r2104 | ScatterChartItem *m_parent; | ||
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r541 | }; | ||
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r2712 | QT_CHARTS_END_NAMESPACE | ||
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r470 | |||
#endif // SCATTERPRESENTER_H | ||||