scatterchartitem_p.h
189 lines
| 5.2 KiB
| text/x-c
|
CLexer
Jani Honkonen
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r794 | /**************************************************************************** | ||
| ** | ||||
Titta Heikkala
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r2776 | ** Copyright (C) 2015 The Qt Company Ltd | ||
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Jani Honkonen
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r794 | ** All rights reserved. | ||
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Titta Heikkala
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r2776 | ** For any questions to The Qt Company, please use contact form at http://qt.io | ||
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Jani Honkonen
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r794 | ** | ||
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Titta Heikkala
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r2740 | ** This file is part of the Qt Charts module. | ||
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r794 | ** | ||
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r2740 | ** Licensees holding valid commercial license for Qt may use this file in | ||
| ** accordance with the Qt License Agreement provided with the Software | ||||
| ** or, alternatively, in accordance with the terms contained in a written | ||||
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Titta Heikkala
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r2776 | ** agreement between you and The Qt Company. | ||
|
Jani Honkonen
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r794 | ** | ||
| ** If you have questions regarding the use of this file, please use | ||||
|
Titta Heikkala
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r2740 | ** contact form at http://qt.io | ||
|
Jani Honkonen
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r794 | ** | ||
| ****************************************************************************/ | ||||
unknown
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r1366 | // W A R N I N G | ||
| // ------------- | ||||
| // | ||||
Miikka Heikkinen
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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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unknown
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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. | ||||
Michal Klocek
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r969 | #ifndef SCATTERCHARTITEM_H | ||
| #define SCATTERCHARTITEM_H | ||||
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r470 | |||
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r2714 | #include <QtCharts/QChartGlobal> | ||
| #include <private/xychart_p.h> | ||||
| #include <QtWidgets/QGraphicsEllipseItem> | ||||
| #include <QtGui/QPen> | ||||
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r2739 | #include <QtWidgets/QGraphicsSceneMouseEvent> | ||
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r470 | |||
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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); | ||||
sauimone
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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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Titta Heikkala
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r2739 | void markerPressed(QGraphicsItem *item); | ||
| void markerReleased(QGraphicsItem *item); | ||||
| void markerDoubleClicked(QGraphicsItem *item); | ||||
| void setMousePressed(bool pressed = true) {m_mousePressed = pressed;} | ||||
| bool mousePressed() {return m_mousePressed;} | ||||
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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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Michal Klocek
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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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r2739 | |||
| bool m_mousePressed; | ||||
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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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Titta Heikkala
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r2739 | setFlag(QGraphicsItem::ItemIsSelectable); | ||
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Jani Honkonen
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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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r2739 | m_parent->markerPressed(this); | ||
| m_parent->setMousePressed(); | ||||
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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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r2739 | void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) | ||
| { | ||||
| QGraphicsEllipseItem::mouseReleaseEvent(event); | ||||
| m_parent->markerReleased(this); | ||||
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r2746 | if (m_parent->mousePressed()) | ||
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Titta Heikkala
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r2739 | m_parent->markerSelected(this); | ||
| m_parent->setMousePressed(false); | ||||
| } | ||||
| void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) | ||||
| { | ||||
| QGraphicsEllipseItem::mouseDoubleClickEvent(event); | ||||
| m_parent->markerDoubleClicked(this); | ||||
| } | ||||
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r541 | |||
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Michal Klocek
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r1763 | private: | ||
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Jani Honkonen
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r2104 | ScatterChartItem *m_parent; | ||
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Michal Klocek
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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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Michal Klocek
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r1763 | public: | ||
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Jani Honkonen
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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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Marek Rosa
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r2261 | setAcceptHoverEvents(true); | ||
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Titta Heikkala
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r2739 | setFlag(QGraphicsItem::ItemIsSelectable); | ||
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Jani Honkonen
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r2097 | } | ||
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Michal Klocek
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r541 | |||
| protected: | ||||
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Jani Honkonen
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r2097 | void mousePressEvent(QGraphicsSceneMouseEvent *event) | ||
| { | ||||
| QGraphicsRectItem::mousePressEvent(event); | ||||
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Titta Heikkala
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r2739 | m_parent->markerPressed(this); | ||
| m_parent->setMousePressed(); | ||||
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Jani Honkonen
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r2097 | } | ||
|
Marek Rosa
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r2261 | void hoverEnterEvent(QGraphicsSceneHoverEvent *event) | ||
| { | ||||
| QGraphicsRectItem::hoverEnterEvent(event); | ||||
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Titta Heikkala
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r2684 | m_parent->markerHovered(this, true); | ||
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Marek Rosa
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r2261 | } | ||
| void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) | ||||
| { | ||||
| QGraphicsRectItem::hoverLeaveEvent(event); | ||||
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Titta Heikkala
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r2684 | m_parent->markerHovered(this, false); | ||
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Marek Rosa
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r2261 | } | ||
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Titta Heikkala
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r2739 | void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) | ||
| { | ||||
| QGraphicsRectItem::mouseReleaseEvent(event); | ||||
| m_parent->markerReleased(this); | ||||
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Titta Heikkala
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r2746 | if (m_parent->mousePressed()) | ||
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Titta Heikkala
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r2739 | m_parent->markerSelected(this); | ||
| m_parent->setMousePressed(false); | ||||
| } | ||||
| void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) | ||||
| { | ||||
| QGraphicsRectItem::mouseDoubleClickEvent(event); | ||||
| m_parent->markerDoubleClicked(this); | ||||
| } | ||||
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Michal Klocek
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r541 | |||
| private: | ||||
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Jani Honkonen
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r2104 | ScatterChartItem *m_parent; | ||
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Michal Klocek
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r541 | }; | ||
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Titta Heikkala
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r2712 | QT_CHARTS_END_NAMESPACE | ||
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Michal Klocek
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r470 | |||
| #endif // SCATTERPRESENTER_H | ||||