scatterchartitem_p.h
146 lines
| 3.7 KiB
| text/x-c
|
CLexer
Jani Honkonen
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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 | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
unknown
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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. | ||||
Michal Klocek
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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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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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r2273 | 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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sauimone
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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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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) | ||
| { | ||||
| m_parent->markerSelected(this); | ||||
| QGraphicsEllipseItem::mousePressEvent(event); | ||||
| } | ||||
|
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r2261 | void hoverEnterEvent(QGraphicsSceneHoverEvent *event) | ||
| { | ||||
| m_parent->markerHovered(this, true); | ||||
| QGraphicsEllipseItem::hoverEnterEvent(event); | ||||
| } | ||||
| void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) | ||||
| { | ||||
| m_parent->markerHovered(this, false); | ||||
| QGraphicsEllipseItem::hoverLeaveEvent(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) | ||||
| { | ||||
|
Marek Rosa
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r2261 | setAcceptHoverEvents(true); | ||
|
Jani Honkonen
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r2097 | } | ||
|
Michal Klocek
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r541 | |||
| protected: | ||||
|
Jani Honkonen
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r2097 | void mousePressEvent(QGraphicsSceneMouseEvent *event) | ||
| { | ||||
| m_parent->markerSelected(this); | ||||
| QGraphicsRectItem::mousePressEvent(event); | ||||
| } | ||||
|
Marek Rosa
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r2261 | void hoverEnterEvent(QGraphicsSceneHoverEvent *event) | ||
| { | ||||
| m_parent->markerHovered(this, true); | ||||
| QGraphicsRectItem::hoverEnterEvent(event); | ||||
| } | ||||
| void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) | ||||
| { | ||||
| m_parent->markerHovered(this, false); | ||||
| QGraphicsRectItem::hoverLeaveEvent(event); | ||||
| } | ||||
|
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r541 | |||
| private: | ||||
|
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r2104 | ScatterChartItem *m_parent; | ||
|
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r541 | }; | ||
|
Michal Klocek
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r470 | QTCOMMERCIALCHART_END_NAMESPACE | ||
| #endif // SCATTERPRESENTER_H | ||||