| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | // W A R N I N G |
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| 5 | // ------------- |
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| 6 | // |
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| 7 | // This file is not part of the Qt Chart API. It exists purely as an |
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| 8 | // implementation detail. This header file may change from version to |
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| 9 | // version without notice, or even be removed. |
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| 10 | // |
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| 11 | // We mean it. |
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| 12 | |
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| 13 | #ifndef CANDLESTICKCHARTITEM_P_H |
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| 14 | #define CANDLESTICKCHARTITEM_P_H |
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| 15 | |
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| 16 | #include <private/chartitem_p.h> |
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| 17 | #include <QtCharts/private/qchartglobal_p.h> |
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| 18 | |
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| 19 | QT_BEGIN_NAMESPACE |
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| 20 | |
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| 21 | class Candlestick; |
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| 22 | class CandlestickAnimation; |
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| 23 | class QCandlestickSeries; |
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| 24 | class QCandlestickSet; |
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| 25 | |
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| 26 | class Q_CHARTS_PRIVATE_EXPORT CandlestickChartItem : public ChartItem |
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| 27 | { |
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| 28 | Q_OBJECT |
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| 29 | |
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| 30 | public: |
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| 31 | CandlestickChartItem(QCandlestickSeries *series, QGraphicsItem *item = nullptr); |
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| 32 | ~CandlestickChartItem(); |
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| 33 | |
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| 34 | void setAnimation(CandlestickAnimation *animation); |
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| 35 | |
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| 36 | QRectF boundingRect() const override; |
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| 37 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; |
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| 38 | |
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| 39 | public Q_SLOTS: |
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| 40 | void handleDomainUpdated() override; |
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| 41 | void handleLayoutUpdated(); |
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| 42 | void handleCandlesticksUpdated(); |
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| 43 | void handleCandlestickSeriesChange(); |
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| 44 | |
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| 45 | private Q_SLOTS: |
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| 46 | void handleCandlestickSetsAdd(const QList<QCandlestickSet *> &sets); |
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| 47 | void handleCandlestickSetsRemove(const QList<QCandlestickSet *> &sets); |
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| 48 | void handleDataStructureChanged(); |
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| 49 | |
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| 50 | private: |
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| 51 | bool updateCandlestickGeometry(Candlestick *item, int index); |
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| 52 | void updateCandlestickAppearance(Candlestick *item, QCandlestickSet *set); |
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| 53 | |
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| 54 | void addTimestamp(qreal timestamp); |
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| 55 | void removeTimestamp(qreal timestamp); |
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| 56 | void updateTimePeriod(); |
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| 57 | |
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| 58 | protected: |
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| 59 | QRectF m_boundingRect; |
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| 60 | QCandlestickSeries *m_series; // Not owned. |
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| 61 | int m_seriesIndex; |
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| 62 | int m_seriesCount; |
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| 63 | QHash<QCandlestickSet *, Candlestick *> m_candlesticks; |
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| 64 | QList<qreal> m_timestamps; |
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| 65 | qreal m_timePeriod; |
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| 66 | CandlestickAnimation *m_animation; |
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| 67 | }; |
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| 68 | |
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| 69 | QT_END_NAMESPACE |
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| 70 | |
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| 71 | #endif // CANDLESTICKCHARTITEM_P_H |
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| 72 | |
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