| /**************************************************************************** |
| ** |
| ** 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 |
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| ** 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 |
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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include <QtCharts/QXYLegendMarker> |
| #include <private/qxylegendmarker_p.h> |
| #include <private/qxyseries_p.h> |
| #include <QtCharts/QXYSeries> |
| #include <QtCharts/QScatterSeries> |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| /*! |
| \class QXYLegendMarker |
| \inmodule QtCharts |
| \brief The QXYLegendMarker class is a legend marker for a line, spline, or scatter series. |
| |
| An XY legend marker is related to QXYSeries derived classes: QLineSeries, QSplineSeries, |
| and QScatterSeries. Each marker is related to one series. |
| |
| \sa QLegend, QXYSeries, QSplineSeries, QScatterSeries, QLineSeries |
| */ |
| |
| /*! |
| \fn virtual LegendMarkerType QXYLegendMarker::type() |
| \reimp |
| */ |
| |
| /*! |
| \internal |
| */ |
| QXYLegendMarker::QXYLegendMarker(QXYSeries *series, QLegend *legend, QObject *parent) : |
| QLegendMarker(*new QXYLegendMarkerPrivate(this,series,legend), parent) |
| { |
| d_ptr->updated(); |
| } |
| |
| /*! |
| Removes the legend marker for a line, spline, or scatter series. |
| */ |
| QXYLegendMarker::~QXYLegendMarker() |
| { |
| } |
| |
| /*! |
| \internal |
| */ |
| QXYLegendMarker::QXYLegendMarker(QXYLegendMarkerPrivate &d, QObject *parent) : |
| QLegendMarker(d, parent) |
| { |
| } |
| |
| /*! |
| \reimp |
| */ |
| QXYSeries* QXYLegendMarker::series() |
| { |
| Q_D(QXYLegendMarker); |
| return d->m_series; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| QXYLegendMarkerPrivate::QXYLegendMarkerPrivate(QXYLegendMarker *q, QXYSeries *series, QLegend *legend) : |
| QLegendMarkerPrivate(q,legend), |
| q_ptr(q), |
| m_series(series) |
| { |
| QObject::connect(m_series, SIGNAL(nameChanged()), this, SLOT(updated())); |
| QObject::connect(m_series->d_func(), SIGNAL(updated()), this, SLOT(updated())); |
| } |
| |
| QXYLegendMarkerPrivate::~QXYLegendMarkerPrivate() |
| { |
| } |
| |
| QAbstractSeries* QXYLegendMarkerPrivate::series() |
| { |
| return m_series; |
| } |
| |
| QObject* QXYLegendMarkerPrivate::relatedObject() |
| { |
| return m_series; |
| } |
| |
| void QXYLegendMarkerPrivate::updated() |
| { |
| bool labelChanged = false; |
| bool brushChanged = false; |
| |
| if (!m_customLabel && (m_item->label() != m_series->name())) { |
| m_item->setLabel(m_series->name()); |
| labelChanged = true; |
| } |
| |
| if (m_series->type()== QAbstractSeries::SeriesTypeScatter) { |
| if (!m_customBrush && (m_item->brush() != m_series->brush())) { |
| m_item->setBrush(m_series->brush()); |
| brushChanged = true; |
| } |
| if (m_item->effectiveMarkerShape() == QLegend::MarkerShapeFromSeries) { |
| QScatterSeries *scatter = static_cast<QScatterSeries *>(m_series); |
| if (scatter) { |
| const bool shapeChangeNeeded = |
| (scatter->markerShape() == QScatterSeries::MarkerShapeCircle |
| && m_item->itemType() != LegendMarkerItem::TypeCircle) |
| || (scatter->markerShape() == QScatterSeries::MarkerShapeRectangle |
| && m_item->itemType() != LegendMarkerItem::TypeRect); |
| if (shapeChangeNeeded || scatter->markerSize() != m_item->markerRect().width()) |
| m_item->updateMarkerShapeAndSize(); |
| } |
| } |
| } else { |
| QBrush emptyBrush; |
| if (!m_customBrush |
| && (m_item->brush() == emptyBrush |
| || m_item->brush().color() != m_series->pen().color())) { |
| m_item->setBrush(QBrush(m_series->pen().color())); |
| brushChanged = true; |
| } |
| } |
| m_item->setSeriesBrush(m_series->brush()); |
| m_item->setSeriesPen(m_series->pen()); |
| |
| invalidateLegend(); |
| |
| if (labelChanged) |
| emit q_ptr->labelChanged(); |
| if (brushChanged) |
| emit q_ptr->brushChanged(); |
| } |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #include "moc_qxylegendmarker.cpp" |
| #include "moc_qxylegendmarker_p.cpp" |