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Diffstat (limited to 'src/charts/scatterchart/scatterchartitem_p.h')
-rw-r--r-- | src/charts/scatterchart/scatterchartitem_p.h | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/src/charts/scatterchart/scatterchartitem_p.h b/src/charts/scatterchart/scatterchartitem_p.h new file mode 100644 index 00000000..3c18546e --- /dev/null +++ b/src/charts/scatterchart/scatterchartitem_p.h @@ -0,0 +1,151 @@ +/**************************************************************************** +** +** 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> + +QT_CHARTS_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; +}; + +QT_CHARTS_END_NAMESPACE + +#endif // SCATTERPRESENTER_H |