| 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 | #include <QtCharts/QAreaLegendMarker> |
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| 5 | #include <private/qarealegendmarker_p.h> |
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| 6 | #include <private/qareaseries_p.h> |
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| 7 | #include <QtCharts/QAreaSeries> |
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| 8 | |
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| 9 | QT_BEGIN_NAMESPACE |
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| 10 | |
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| 11 | /*! |
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| 12 | \class QAreaLegendMarker |
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| 13 | \inmodule QtCharts |
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| 14 | \brief The QAreaLegendMarker class is a legend marker for an area series. |
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| 15 | |
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| 16 | An area legend marker is related to a QAreaSeries object, so that one area series |
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| 17 | results in one marker. |
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| 18 | |
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| 19 | \sa QLegend, QAreaSeries |
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| 20 | */ |
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| 21 | |
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| 22 | /*! |
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| 23 | \fn virtual LegendMarkerType QAreaLegendMarker::type() |
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| 24 | \reimp |
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| 25 | */ |
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| 26 | |
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| 27 | /*! |
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| 28 | \internal |
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| 29 | */ |
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| 30 | QAreaLegendMarker::QAreaLegendMarker(QAreaSeries *series, QLegend *legend, QObject *parent) : |
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| 31 | QLegendMarker(*new QAreaLegendMarkerPrivate(this,series,legend), parent) |
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| 32 | { |
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| 33 | d_ptr->updated(); |
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| 34 | } |
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| 35 | |
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| 36 | /*! |
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| 37 | Removes the legend marker for an area series. |
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| 38 | */ |
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| 39 | QAreaLegendMarker::~QAreaLegendMarker() |
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| 40 | { |
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| 41 | } |
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| 42 | |
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| 43 | /*! |
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| 44 | \internal |
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| 45 | */ |
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| 46 | QAreaLegendMarker::QAreaLegendMarker(QAreaLegendMarkerPrivate &d, QObject *parent) : |
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| 47 | QLegendMarker(d, parent) |
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| 48 | { |
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| 49 | } |
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| 50 | |
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| 51 | /*! |
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| 52 | \reimp |
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| 53 | */ |
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| 54 | QAreaSeries* QAreaLegendMarker::series() |
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| 55 | { |
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| 56 | Q_D(QAreaLegendMarker); |
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| 57 | return d->m_series; |
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| 58 | } |
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| 59 | |
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| 60 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 61 | |
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| 62 | QAreaLegendMarkerPrivate::QAreaLegendMarkerPrivate(QAreaLegendMarker *q, QAreaSeries *series, QLegend *legend) : |
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| 63 | QLegendMarkerPrivate(q,legend), |
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| 64 | q_ptr(q), |
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| 65 | m_series(series) |
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| 66 | { |
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| 67 | QObject::connect(sender: m_series->d_func(),SIGNAL(updated()), receiver: this, SLOT(updated())); |
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| 68 | QObject::connect(sender: m_series, SIGNAL(nameChanged()), receiver: this, SLOT(updated())); |
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| 69 | } |
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| 70 | |
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| 71 | QAreaLegendMarkerPrivate::~QAreaLegendMarkerPrivate() |
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| 72 | { |
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| 73 | } |
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| 74 | |
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| 75 | QAreaSeries* QAreaLegendMarkerPrivate::series() |
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| 76 | { |
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| 77 | return m_series; |
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| 78 | } |
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| 79 | |
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| 80 | QObject* QAreaLegendMarkerPrivate::relatedObject() |
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| 81 | { |
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| 82 | return m_series; |
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| 83 | } |
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| 84 | |
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| 85 | void QAreaLegendMarkerPrivate::updated() |
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| 86 | { |
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| 87 | bool labelChanged = false; |
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| 88 | bool brushChanged = false; |
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| 89 | |
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| 90 | if (!m_customBrush && (m_item->brush() != m_series->brush())) { |
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| 91 | m_item->setBrush(m_series->brush()); |
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| 92 | brushChanged = true; |
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| 93 | } |
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| 94 | if (!m_customLabel && (m_item->label() != m_series->name())) { |
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| 95 | m_item->setLabel(m_series->name()); |
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| 96 | labelChanged = true; |
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| 97 | } |
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| 98 | invalidateLegend(); |
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| 99 | |
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| 100 | if (labelChanged) |
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| 101 | emit q_ptr->labelChanged(); |
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| 102 | if (brushChanged) |
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| 103 | emit q_ptr->brushChanged(); |
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| 104 | } |
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| 105 | |
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| 106 | QT_END_NAMESPACE |
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| 107 | |
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| 108 | #include "moc_qarealegendmarker.cpp" |
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| 109 | #include "moc_qarealegendmarker_p.cpp" |
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| 110 | |
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