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2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Charts module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:GPL$
9** Commercial License Usage
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28****************************************************************************/
29
30// W A R N I N G
31// -------------
32//
33// This file is not part of the Qt Chart API. It exists purely as an
34// implementation detail. This header file may change from version to
35// version without notice, or even be removed.
36//
37// We mean it.
38
39#ifndef CANDLESTICK_P_H
40#define CANDLESTICK_P_H
41
42#include <QtGui/QBrush>
43#include <QtGui/QPainterPath>
44#include <QtGui/QPen>
45#include <QtWidgets/QGraphicsObject>
46#include <private/candlestickdata_p.h>
47#include <QtCharts/private/qchartglobal_p.h>
48
49QT_CHARTS_BEGIN_NAMESPACE
50
51class AbstractDomain;
52class QCandlestickSet;
53
54class Q_CHARTS_PRIVATE_EXPORT Candlestick : public QGraphicsObject
55{
56 Q_OBJECT
57
58public:
59 Candlestick(QCandlestickSet *set, AbstractDomain *domain, QGraphicsObject *parent);
60 ~Candlestick();
61
62 void setTimePeriod(qreal timePeriod);
63 void setMaximumColumnWidth(qreal maximumColumnWidth);
64 void setMinimumColumnWidth(qreal minimumColumnWidth);
65 void setBodyWidth(qreal bodyWidth);
66 void setBodyOutlineVisible(bool bodyOutlineVisible);
67 void setCapsWidth(qreal capsWidth);
68 void setCapsVisible(bool capsVisible);
69 void setIncreasingColor(const QColor &color);
70 void setDecreasingColor(const QColor &color);
71 void setBrush(const QBrush &brush);
72 void setPen(const QPen &pen);
73 void setLayout(const CandlestickData &data);
74
75 void mousePressEvent(QGraphicsSceneMouseEvent *event);
76 void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
77 void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
78 void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
79 void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
80
81 QRectF boundingRect() const;
82 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWidget *widget = nullptr);
83
84Q_SIGNALS:
85 void clicked(QCandlestickSet *set);
86 void hovered(bool status, QCandlestickSet *set);
87 void pressed(QCandlestickSet *set);
88 void released(QCandlestickSet *set);
89 void doubleClicked(QCandlestickSet *set);
90
91private:
92 void updateGeometry(AbstractDomain *domain);
93
94private:
95 QCandlestickSet *m_set;
96 AbstractDomain *m_domain;
97 qreal m_timePeriod;
98 qreal m_maximumColumnWidth;
99 qreal m_minimumColumnWidth;
100 qreal m_bodyWidth;
101 bool m_bodyOutlineVisible;
102 qreal m_capsWidth;
103 bool m_capsVisible;
104 QColor m_increasingColor;
105 QColor m_decreasingColor;
106 QBrush m_brush;
107 QPen m_pen;
108 CandlestickData m_data;
109 bool m_hovering;
110 bool m_mousePressed;
111 QRectF m_boundingRect;
112 QRectF m_bodyRect;
113 QPainterPath m_wicksPath;
114 QPainterPath m_capsPath;
115
116 friend class CandlestickAnimation;
117 friend class CandlestickChartItem;
118};
119
120QT_CHARTS_END_NAMESPACE
121
122#endif // CANDLESTICK_P_H
123

source code of qtcharts/src/charts/candlestickchart/candlestick_p.h