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-/****************************************************************************
-**
-** Copyright (C) 2014 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 Enterprise Charts Add-on.
-**
-** $QT_BEGIN_LICENSE$
-** Licensees holding valid Qt Enterprise licenses may use this file in
-** accordance with the Qt Enterprise 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
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Qt Enterprise 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.
-
-#ifndef SCATTERCHARTITEM_H
-#define SCATTERCHARTITEM_H
-
-#include "qchartglobal.h"
-#include "xychart_p.h"
-#include <QGraphicsEllipseItem>
-#include <QPen>
-
-QTCOMMERCIALCHART_BEGIN_NAMESPACE
-
-class QScatterSeries;
-
-class ScatterChartItem : public XYChart
-{
- Q_OBJECT
- Q_INTERFACES(QGraphicsItem)
-public:
- explicit ScatterChartItem(QScatterSeries *series, QGraphicsItem *item = 0);
-
-public:
- //from QGraphicsItem
- QRectF boundingRect() const;
- void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
-
- void setPen(const QPen &pen);
- void setBrush(const QBrush &brush);
-
- void markerSelected(QGraphicsItem *item);
- void markerHovered(QGraphicsItem *item, bool state);
-
-public Q_SLOTS:
- void handleUpdated();
-
-private:
- void createPoints(int count);
- void deletePoints(int count);
-
-protected:
- void updateGeometry();
-
-private:
- QScatterSeries *m_series;
- QGraphicsItemGroup m_items;
- bool m_visible;
- int m_shape;
- int m_size;
- QRectF m_rect;
- QMap<QGraphicsItem *, QPointF> m_markerMap;
-
- bool m_pointLabelsVisible;
- QString m_pointLabelsFormat;
- QFont m_pointLabelsFont;
- QColor m_pointLabelsColor;
-};
-
-class CircleMarker: public QGraphicsEllipseItem
-{
-
-public:
- CircleMarker(qreal x, qreal y, qreal w, qreal h, ScatterChartItem *parent)
- : QGraphicsEllipseItem(x, y, w, h, parent),
- m_parent(parent)
- {
- setAcceptHoverEvents(true);
- }
-
-protected:
- void mousePressEvent(QGraphicsSceneMouseEvent *event)
- {
- QGraphicsEllipseItem::mousePressEvent(event);
- m_parent->markerSelected(this);
- }
- void hoverEnterEvent(QGraphicsSceneHoverEvent *event)
- {
- QGraphicsEllipseItem::hoverEnterEvent(event);
- m_parent->markerHovered(this, true);
- }
- void hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
- {
- QGraphicsEllipseItem::hoverLeaveEvent(event);
- m_parent->markerHovered(this, false);
- }
-
-private:
- ScatterChartItem *m_parent;
-};
-
-class RectangleMarker: public QGraphicsRectItem
-{
-
-public:
- RectangleMarker(qreal x, qreal y, qreal w, qreal h, ScatterChartItem *parent)
- : QGraphicsRectItem(x, y, w, h, parent),
- m_parent(parent)
- {
- setAcceptHoverEvents(true);
- }
-
-protected:
- void mousePressEvent(QGraphicsSceneMouseEvent *event)
- {
- QGraphicsRectItem::mousePressEvent(event);
- m_parent->markerSelected(this);
- }
- void hoverEnterEvent(QGraphicsSceneHoverEvent *event)
- {
- QGraphicsRectItem::hoverEnterEvent(event);
- m_parent->markerHovered(this, true);
- }
- void hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
- {
- QGraphicsRectItem::hoverLeaveEvent(event);
- m_parent->markerHovered(this, false);
- }
-
-private:
- ScatterChartItem *m_parent;
-};
-
-QTCOMMERCIALCHART_END_NAMESPACE
-
-#endif // SCATTERPRESENTER_H