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29
30#include <QtCharts/QCandlestickLegendMarker>
31#include <private/legendmarkeritem_p.h>
32#include <private/qcandlesticklegendmarker_p.h>
33#include <private/qcandlestickseries_p.h>
34
35QT_CHARTS_BEGIN_NAMESPACE
36
37/*!
38 \class QCandlestickLegendMarker
39 \inmodule QtCharts
40 \since 5.8
41 \brief The QCandlestickLegendMarker class is a legend marker for a candlestick series.
42
43 QCandlestickLegendMarker is related to QCandlestickSeries, so that one candlestick series
44 results in one marker.
45
46 \sa QLegend, QCandlestickSeries
47*/
48
49/*!
50 \internal
51*/
52QCandlestickLegendMarker::QCandlestickLegendMarker(QCandlestickSeries *series, QLegend *legend,
53 QObject *parent)
54 : QLegendMarker(*new QCandlestickLegendMarkerPrivate(this, series, legend), parent)
55{
56 Q_D(QCandlestickLegendMarker);
57
58 d->updated();
59}
60
61QCandlestickLegendMarker::~QCandlestickLegendMarker()
62{
63}
64
65/*!
66 \reimp
67*/
68QLegendMarker::LegendMarkerType QCandlestickLegendMarker::type()
69{
70 return LegendMarkerTypeCandlestick;
71}
72
73/*!
74 \reimp
75*/
76QCandlestickSeries* QCandlestickLegendMarker::series()
77{
78 Q_D(QCandlestickLegendMarker);
79
80 return d->m_series;
81}
82
83////////////////////////////////////////////////////////////////////////////////////////////////////
84
85QCandlestickLegendMarkerPrivate::QCandlestickLegendMarkerPrivate(QCandlestickLegendMarker *q,
86 QCandlestickSeries *series,
87 QLegend *legend)
88 : QLegendMarkerPrivate(q, legend),
89 q_ptr(q),
90 m_series(series)
91{
92 QObject::connect(sender: m_item, SIGNAL(markerRectChanged()), receiver: this, SLOT(updated()));
93 QObject::connect(sender: m_series, SIGNAL(nameChanged()), receiver: this, SLOT(updated()));
94 QObject::connect(sender: m_series->d_func(), SIGNAL(updated()), receiver: this, SLOT(updated()));
95}
96
97QCandlestickLegendMarkerPrivate::~QCandlestickLegendMarkerPrivate()
98{
99}
100
101QAbstractSeries* QCandlestickLegendMarkerPrivate::series()
102{
103 return m_series;
104}
105
106QObject* QCandlestickLegendMarkerPrivate::relatedObject()
107{
108 return m_series;
109}
110
111void QCandlestickLegendMarkerPrivate::updated()
112{
113 bool labelChanged = false;
114 bool brushChanged = false;
115
116 if (!m_customLabel && (m_item->label() != m_series->name())) {
117 m_item->setLabel(m_series->name());
118 labelChanged = true;
119 }
120 if (!m_customBrush) {
121 QLinearGradient gradient;
122 gradient.setStart(x: 0.0, y: 0.0);
123 gradient.setFinalStop(x: m_item->markerRect().width(), y: m_item->markerRect().height());
124 gradient.setColorAt(pos: 0.0, color: m_series->increasingColor());
125 gradient.setColorAt(pos: 0.49, color: m_series->increasingColor());
126 gradient.setColorAt(pos: 0.50, color: m_series->decreasingColor());
127 gradient.setColorAt(pos: 1.0, color: m_series->decreasingColor());
128
129 QBrush brush(gradient);
130 if (m_item->brush() != brush) {
131 m_item->setBrush(brush);
132 brushChanged = true;
133 }
134 }
135 invalidateLegend();
136
137 if (labelChanged)
138 emit q_ptr->labelChanged();
139 if (brushChanged)
140 emit q_ptr->brushChanged();
141}
142
143QT_CHARTS_END_NAMESPACE
144
145#include "moc_qcandlesticklegendmarker.cpp"
146#include "moc_qcandlesticklegendmarker_p.cpp"
147

source code of qtcharts/src/charts/legend/qcandlesticklegendmarker.cpp