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| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the Qt Charts module of the Qt Toolkit. |
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| |
| #include <QtCharts/QHorizontalBarSeries> |
| #include <private/qhorizontalbarseries_p.h> |
| #include <private/horizontalbarchartitem_p.h> |
| #include <QtCharts/QBarCategoryAxis> |
| |
| #include <private/chartdataset_p.h> |
| #include <private/charttheme_p.h> |
| |
| |
| QT_CHARTS_BEGIN_NAMESPACE |
| |
| /*! |
| \class QHorizontalBarSeries |
| \inmodule QtCharts |
| \brief The QHorizontalBarSeries class presents a series of data as horizontal bars grouped by |
| category. |
| |
| This class draws data as a series of horizontal bars grouped by category, with one bar per |
| category from each bar set added to the series. |
| |
| See the \l {HorizontalBarChart Example} {horizontal bar chart example} to learn how to create a horizontal bar chart. |
| \image examples_horizontalbarchart.png |
| |
| \sa QBarSet, QBarSeries, QPercentBarSeries, QAbstractBarSeries, QStackedBarSeries, QHorizontalStackedBarSeries, QHorizontalPercentBarSeries |
| */ |
| /*! |
| \qmltype HorizontalBarSeries |
| \instantiates QHorizontalBarSeries |
| \inqmlmodule QtCharts |
| |
| \inherits AbstractBarSeries |
| |
| \brief Presents a series of data as horizontal bars grouped by category. |
| |
| The data is drawn as a series of horizontal bars grouped by category, with one bar per |
| category from each bar set added to the series. |
| |
| The following QML code snippet shows how to create a simple horizontal bar chart: |
| \snippet qmlchart/qml/qmlchart/View9.qml 1 |
| \beginfloatleft |
| \image examples_qmlchart9.png |
| \endfloat |
| \clearfloat |
| */ |
| |
| /*! |
| Constructs an empty horizontal bar series that is a QObject and a child of \a parent. |
| */ |
| QHorizontalBarSeries::QHorizontalBarSeries(QObject *parent) |
| : QAbstractBarSeries(*new QHorizontalBarSeriesPrivate(this), parent) |
| { |
| } |
| |
| /*! |
| Removes the horizontal bar series from the chart. |
| */ |
| QHorizontalBarSeries::~QHorizontalBarSeries() |
| { |
| Q_D(QHorizontalBarSeries); |
| if (d->m_chart) |
| d->m_chart->removeSeries(this); |
| } |
| |
| /*! |
| Returns the horizontal bar series. |
| */ |
| QAbstractSeries::SeriesType QHorizontalBarSeries::type() const |
| { |
| return QAbstractSeries::SeriesTypeHorizontalBar; |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| QHorizontalBarSeriesPrivate::QHorizontalBarSeriesPrivate(QHorizontalBarSeries *q) |
| : QAbstractBarSeriesPrivate(q) |
| { |
| |
| } |
| |
| void QHorizontalBarSeriesPrivate::initializeDomain() |
| { |
| qreal minX(domain()->minX()); |
| qreal minY(domain()->minY()); |
| qreal maxX(domain()->maxX()); |
| qreal maxY(domain()->maxY()); |
| |
| qreal y = categoryCount(); |
| minX = qMin(minX, min()); |
| minY = qMin(minY, - (qreal)0.5); |
| maxX = qMax(maxX, max()); |
| maxY = qMax(maxY, y - (qreal)0.5); |
| |
| domain()->setRange(minX, maxX, minY, maxY); |
| } |
| |
| void QHorizontalBarSeriesPrivate::initializeGraphics(QGraphicsItem* parent) |
| { |
| Q_Q(QHorizontalBarSeries); |
| HorizontalBarChartItem *bar = new HorizontalBarChartItem(q,parent); |
| m_item.reset(bar); |
| QAbstractSeriesPrivate::initializeGraphics(parent); |
| } |
| |
| QT_CHARTS_END_NAMESPACE |
| |
| #include "moc_qhorizontalbarseries.cpp" |