diff options
Diffstat (limited to 'src/charts/barchart/horizontal/bar')
5 files changed, 366 insertions, 0 deletions
diff --git a/src/charts/barchart/horizontal/bar/horizontalbarchartitem.cpp b/src/charts/barchart/horizontal/bar/horizontalbarchartitem.cpp new file mode 100644 index 00000000..d5370a2f --- /dev/null +++ b/src/charts/barchart/horizontal/bar/horizontalbarchartitem.cpp @@ -0,0 +1,94 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the Qt Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "horizontalbarchartitem_p.h" +#include "qabstractbarseries_p.h" +#include "qbarset_p.h" +#include "bar_p.h" + +QT_CHARTS_BEGIN_NAMESPACE + +HorizontalBarChartItem::HorizontalBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item) + : AbstractBarChartItem(series, item) +{ +} + +void HorizontalBarChartItem::initializeLayout() +{ + qreal categoryCount = m_series->d_func()->categoryCount(); + qreal setCount = m_series->count(); + qreal barWidth = m_series->d_func()->barWidth(); + + m_layout.clear(); + for(int category = 0; category < categoryCount; category++) { + for (int set = 0; set < setCount; set++) { + QRectF rect; + QPointF topLeft; + QPointF bottomRight; + if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain) { + topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2 + set/setCount * barWidth), m_validData); + bottomRight = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2 + (set + 1)/setCount * barWidth), m_validData); + } else { + topLeft = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2 + set/setCount * barWidth), m_validData); + bottomRight = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2 + (set + 1)/setCount * barWidth), m_validData); + } + + if (!m_validData) + return; + + rect.setTopLeft(topLeft); + rect.setBottomRight(bottomRight); + m_layout.append(rect.normalized()); + } + } +} + +QVector<QRectF> HorizontalBarChartItem::calculateLayout() +{ + QVector<QRectF> layout; + + // Use temporary qreals for accuracy + qreal categoryCount = m_series->d_func()->categoryCount(); + qreal setCount = m_series->count(); + qreal barWidth = m_series->d_func()->barWidth(); + + for(int category = 0; category < categoryCount; category++) { + for (int set = 0; set < setCount; set++) { + qreal value = m_series->barSets().at(set)->at(category); + QRectF rect; + QPointF topLeft; + if (domain()->type() == AbstractDomain::LogXYDomain || domain()->type() == AbstractDomain::LogXLogYDomain) + topLeft = domain()->calculateGeometryPoint(QPointF(domain()->minX(), category - barWidth / 2 + set/setCount * barWidth), m_validData); + else + topLeft = domain()->calculateGeometryPoint(QPointF(0, category - barWidth / 2 + set/setCount * barWidth), m_validData); + + QPointF bottomRight = domain()->calculateGeometryPoint(QPointF(value, category - barWidth / 2 + (set + 1)/setCount * barWidth), m_validData); + + rect.setTopLeft(topLeft); + rect.setBottomRight(bottomRight); + layout.append(rect.normalized()); + } + } + return layout; +} + +#include "moc_horizontalbarchartitem_p.cpp" + +QT_CHARTS_END_NAMESPACE diff --git a/src/charts/barchart/horizontal/bar/horizontalbarchartitem_p.h b/src/charts/barchart/horizontal/bar/horizontalbarchartitem_p.h new file mode 100644 index 00000000..df7e793e --- /dev/null +++ b/src/charts/barchart/horizontal/bar/horizontalbarchartitem_p.h @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the Qt Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// W A R N I N G +// ------------- +// +// This file is not part of the Qt Enterprise Chart API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef HORIZONTALBARCHARTITEM_H +#define HORIZONTALBARCHARTITEM_H + +#include "abstractbarchartitem_p.h" +#include <QGraphicsItem> + +QT_CHARTS_BEGIN_NAMESPACE + +class HorizontalBarChartItem : public AbstractBarChartItem +{ + Q_OBJECT +public: + HorizontalBarChartItem(QAbstractBarSeries *series, QGraphicsItem* item = 0); + +private: + virtual QVector<QRectF> calculateLayout(); + void initializeLayout(); +}; + +QT_CHARTS_END_NAMESPACE + +#endif // HORIZONTALBARCHARTITEM_H diff --git a/src/charts/barchart/horizontal/bar/qhorizontalbarseries.cpp b/src/charts/barchart/horizontal/bar/qhorizontalbarseries.cpp new file mode 100644 index 00000000..d381aadf --- /dev/null +++ b/src/charts/barchart/horizontal/bar/qhorizontalbarseries.cpp @@ -0,0 +1,126 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the Qt Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qhorizontalbarseries.h" +#include "qhorizontalbarseries_p.h" +#include "horizontalbarchartitem_p.h" +#include "qbarcategoryaxis.h" + +#include "chartdataset_p.h" +#include "charttheme_p.h" + + +QT_CHARTS_BEGIN_NAMESPACE + +/*! + \class QHorizontalBarSeries + \inmodule Qt Charts + \brief Series for creating horizontal bar chart. + \mainclass + + QHorizontalBarSeries represents a series of data shown as bars. The purpose of this class is to draw bars + as groups, where bars in same category are grouped next to each other. QHorizontalBarSeries groups the data + from sets to categories, which are defined by a QStringList. + + 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 Series type for creating horizontal bar chart. + + The following QML shows how to create a simple horizontal bar chart: + \snippet qmlchart/qml/qmlchart/View9.qml 1 + \beginfloatleft + \image examples_qmlchart9.png + \endfloat + \clearfloat +*/ + +/*! + Constructs empty QHorizontalBarSeries. + QHorizontalBarSeries is QObject which is a child of a \a parent. +*/ +QHorizontalBarSeries::QHorizontalBarSeries(QObject *parent) + : QAbstractBarSeries(*new QHorizontalBarSeriesPrivate(this), parent) +{ +} + +/*! + Destructor. + Removes series from chart. +*/ +QHorizontalBarSeries::~QHorizontalBarSeries() +{ + Q_D(QHorizontalBarSeries); + if (d->m_chart) + d->m_chart->removeSeries(this); +} + +/*! + Returns QChartSeries::SeriesTypeHorizontalBar. +*/ +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); +} + +#include "moc_qhorizontalbarseries.cpp" + +QT_CHARTS_END_NAMESPACE diff --git a/src/charts/barchart/horizontal/bar/qhorizontalbarseries.h b/src/charts/barchart/horizontal/bar/qhorizontalbarseries.h new file mode 100644 index 00000000..b5cf137b --- /dev/null +++ b/src/charts/barchart/horizontal/bar/qhorizontalbarseries.h @@ -0,0 +1,45 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the Qt Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QHORIZONTALBARSERIES_H +#define QHORIZONTALBARSERIES_H + +#include <QtCharts/qabstractbarseries.h> + +QT_CHARTS_BEGIN_NAMESPACE + +class QHorizontalBarSeriesPrivate; + +class QT_CHARTS_EXPORT QHorizontalBarSeries : public QAbstractBarSeries +{ + Q_OBJECT +public: + explicit QHorizontalBarSeries(QObject *parent = 0); + ~QHorizontalBarSeries(); + QAbstractSeries::SeriesType type() const; + +private: + Q_DECLARE_PRIVATE(QHorizontalBarSeries) + Q_DISABLE_COPY(QHorizontalBarSeries) +}; + +QT_CHARTS_END_NAMESPACE + +#endif // QHORIZONTALBARSERIES_H diff --git a/src/charts/barchart/horizontal/bar/qhorizontalbarseries_p.h b/src/charts/barchart/horizontal/bar/qhorizontalbarseries_p.h new file mode 100644 index 00000000..d32ed320 --- /dev/null +++ b/src/charts/barchart/horizontal/bar/qhorizontalbarseries_p.h @@ -0,0 +1,50 @@ +/**************************************************************************** +** +** Copyright (C) 2014 Digia Plc +** All rights reserved. +** For any questions to Digia, please use contact form at http://qt.digia.com +** +** This file is part of the Qt Enterprise Charts Add-on. +** +** $QT_BEGIN_LICENSE$ +** Licensees holding valid Qt Enterprise licenses may use this file in +** accordance with the Qt Enterprise License Agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. +** +** If you have questions regarding the use of this file, please use +** contact form at http://qt.digia.com +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// W A R N I N G +// ------------- +// +// This file is not part of the Qt Enterprise Chart API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QHORIZONTALBARSERIES_P_H +#define QHORIZONTALBARSERIES_P_H + +#include "qabstractbarseries_p.h" +#include "abstractdomain_p.h" + +QT_CHARTS_BEGIN_NAMESPACE + +class QHorizontalBarSeriesPrivate: public QAbstractBarSeriesPrivate +{ +public: + QHorizontalBarSeriesPrivate(QHorizontalBarSeries *q); + void initializeGraphics(QGraphicsItem* parent); + void initializeDomain(); +private: + Q_DECLARE_PUBLIC(QHorizontalBarSeries) +}; + +QT_CHARTS_END_NAMESPACE + +#endif // QHORIZONTALBARSERIES_P_H |