| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Charts module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt 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 CANDLESTICKCHARTITEM_P_H |
| #define CANDLESTICKCHARTITEM_P_H |
| |
| #include <private/chartitem_p.h> |
| #include <QtCharts/private/qchartglobal_p.h> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| class Candlestick; |
| class CandlestickAnimation; |
| class QCandlestickSeries; |
| class QCandlestickSet; |
| |
| class Q_CHARTS_PRIVATE_EXPORT CandlestickChartItem : public ChartItem |
| { |
| Q_OBJECT |
| |
| public: |
| CandlestickChartItem(QCandlestickSeries *series, QGraphicsItem *item = nullptr); |
| ~CandlestickChartItem(); |
| |
| void setAnimation(CandlestickAnimation *animation); |
| |
| QRectF boundingRect() const; |
| void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); |
| |
| public Q_SLOTS: |
| void handleDomainUpdated(); |
| void handleLayoutUpdated(); |
| void handleCandlesticksUpdated(); |
| void handleCandlestickSeriesChange(); |
| |
| private Q_SLOTS: |
| void handleCandlestickSetsAdd(const QList<QCandlestickSet *> &sets); |
| void handleCandlestickSetsRemove(const QList<QCandlestickSet *> &sets); |
| void handleDataStructureChanged(); |
| |
| private: |
| bool updateCandlestickGeometry(Candlestick *item, int index); |
| void updateCandlestickAppearance(Candlestick *item, QCandlestickSet *set); |
| |
| void addTimestamp(qreal timestamp); |
| void removeTimestamp(qreal timestamp); |
| void updateTimePeriod(); |
| |
| protected: |
| QRectF m_boundingRect; |
| QCandlestickSeries *m_series; // Not owned. |
| int m_seriesIndex; |
| int m_seriesCount; |
| QHash<QCandlestickSet *, Candlestick *> m_candlesticks; |
| QList<qreal> m_timestamps; |
| qreal m_timePeriod; |
| CandlestickAnimation *m_animation; |
| }; |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #endif // CANDLESTICKCHARTITEM_P_H |