HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Commit - r568:9b365faaa041

Rename piepresenter -> piechartitem

Jani Honkonen -

r568:9b365faaa041

parent child

Context file:

r568:9b365faaa041

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src/chartpresenter.cpp +2 -2

             #include "qchart.h"
             #include "qchartaxis.h"
             #include "chartpresenter_p.h"
             #include "chartdataset_p.h"
             #include "charttheme_p.h"
             #include "chartanimator_p.h"
             //series
             #include "qbarseries.h"
             #include "qstackedbarseries.h"
             #include "qpercentbarseries.h"
             #include "qlineseries.h"
             #include "qareaseries.h"
             #include "qpieseries.h"
             #include "qscatterseries.h"
             #include "qsplineseries.h"
             //items
             #include "axisitem_p.h"
             #include "areachartitem_p.h"
             #include "barpresenter_p.h"
             #include "stackedbarpresenter_p.h"
             #include "percentbarpresenter_p.h"
             #include "linechartitem_p.h"
-            #include "piepresenter_p.h"
+            #include "piechartitem_p.h"
             #include "scatterchartitem_p.h"
             #include "splinechartitem_p.h"
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
             ChartPresenter::ChartPresenter(QChart* chart,ChartDataSet* dataset):QObject(chart),
                 m_chart(chart),
                 m_animator(0),
                 m_dataset(dataset),
                 m_chartTheme(0),
                 m_zoomIndex(0),
                 m_marginSize(0),
                 m_rect(QRectF(QPoint(0,0),m_chart->size())),
                 m_options(QChart::NoAnimation)
             {
                 createConnections();
                 setChartTheme(QChart::ChartThemeDefault);
             }
             ChartPresenter::~ChartPresenter()
             {
             	delete m_chartTheme;
             }
             void ChartPresenter::createConnections()
             {
                 QObject::connect(m_chart,SIGNAL(geometryChanged()),this,SLOT(handleGeometryChanged()));
                 QObject::connect(m_dataset,SIGNAL(seriesAdded(QSeries*,Domain*)),this,SLOT(handleSeriesAdded(QSeries*,Domain*)));
                 QObject::connect(m_dataset,SIGNAL(seriesRemoved(QSeries*)),this,SLOT(handleSeriesRemoved(QSeries*)));
                 QObject::connect(m_dataset,SIGNAL(axisAdded(QChartAxis*,Domain*)),this,SLOT(handleAxisAdded(QChartAxis*,Domain*)));
                 QObject::connect(m_dataset,SIGNAL(axisRemoved(QChartAxis*)),this,SLOT(handleAxisRemoved(QChartAxis*)));
             }
             QRectF ChartPresenter::geometry() const
             {
                 return m_rect;
             }
             void ChartPresenter::handleGeometryChanged()
             {
                 QRectF rect(QPoint(0,0),m_chart->size());
                 rect.adjust(m_marginSize,m_marginSize, -m_marginSize, -m_marginSize);
                 //rewrite zoom stack
                 for(int i=0;i<m_zoomStack.count();i++){
                     QRectF r = m_zoomStack[i];
                     qreal w = rect.width()/m_rect.width();
                     qreal h = rect.height()/m_rect.height();
                     QPointF tl = r.topLeft();
                     tl.setX(tl.x()*w);
                     tl.setY(tl.y()*h);
                     QPointF br = r.bottomRight();
                     br.setX(br.x()*w);
                     br.setY(br.y()*h);
                     r.setTopLeft(tl);
                     r.setBottomRight(br);
                     m_zoomStack[i]=r;
                 }
                 m_rect = rect;
                 Q_ASSERT(m_rect.isValid());
                 emit geometryChanged(m_rect);
             }
             int ChartPresenter::margin() const
             {
                 return m_marginSize;
             }
             void ChartPresenter::setMargin(int margin)
             {
                 m_marginSize = margin;
             }
             void ChartPresenter::handleAxisAdded(QChartAxis* axis,Domain* domain)
             {
                 AxisItem* item = new AxisItem(axis,this,axis==m_dataset->axisX()?AxisItem::X_AXIS : AxisItem::Y_AXIS,m_chart);
                 if(m_options.testFlag(QChart::GridAxisAnimations)){
                     m_animator->addAnimation(item);
                 }
                 if(axis==m_dataset->axisX()){
                     m_chartTheme->decorate(axis,true);
                     QObject::connect(domain,SIGNAL(rangeXChanged(qreal,qreal,int)),item,SLOT(handleRangeChanged(qreal,qreal,int)));
                     //initialize
                     item->handleRangeChanged(domain->minX(),domain->maxX(),domain->tickXCount());
                 }
                 else{
                     m_chartTheme->decorate(axis,false);
                     QObject::connect(domain,SIGNAL(rangeYChanged(qreal,qreal,int)),item,SLOT(handleRangeChanged(qreal,qreal,int)));
                     //initialize
                     item->handleRangeChanged(domain->minY(),domain->maxY(),domain->tickYCount());
                 }
                 QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),item,SLOT(handleGeometryChanged(const QRectF&)));
                 //initialize
                 item->handleGeometryChanged(m_rect);
                 m_axisItems.insert(axis, item);
             }
             void ChartPresenter::handleAxisRemoved(QChartAxis* axis)
             {
                 AxisItem* item = m_axisItems.take(axis);
                 Q_ASSERT(item);
                 if(m_animator) m_animator->removeAnimation(item);
                 delete item;
             }
             void ChartPresenter::handleSeriesAdded(QSeries* series,Domain* domain)
             {
             	ChartItem *item = 0 ;
                 switch(series->type())
                 {
                 case QSeries::SeriesTypeLine: {
                     QLineSeries* lineSeries = static_cast<QLineSeries*>(series);
                     LineChartItem* line = new LineChartItem(lineSeries,m_chart);
                     if(m_options.testFlag(QChart::SeriesAnimations)) {
                     	m_animator->addAnimation(line);
                     }
                     m_chartTheme->decorate(lineSeries, m_dataset->seriesIndex(series));
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),line,SLOT(handleGeometryChanged(const QRectF&)));
                     QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),line,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
                     item = line;
                     break;
                 }
                 case QSeries::SeriesTypeArea: {
                     QAreaSeries* areaSeries = static_cast<QAreaSeries*>(series);
                     AreaChartItem* area = new AreaChartItem(areaSeries,m_chart);
                     if(m_options.testFlag(QChart::SeriesAnimations)) {
                        m_animator->addAnimation(area->upperLineItem());
                        if(areaSeries->lowerSeries())  m_animator->addAnimation(area->lowerLineItem());
                     }
                     m_chartTheme->decorate(areaSeries, m_dataset->seriesIndex(series));
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),area,SLOT(handleGeometryChanged(const QRectF&)));
                     QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),area,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
                     item=area;
                     break;
                 }
                 case QSeries::SeriesTypeBar: {
                     QBarSeries* barSeries = static_cast<QBarSeries*>(series);
                     BarPresenter* bar = new BarPresenter(barSeries,m_chart);
                     if(m_options.testFlag(QChart::SeriesAnimations)) {
                      //  m_animator->addAnimation(bar);
                     }
                     m_chartTheme->decorate(bar, barSeries, m_dataset->seriesIndex(barSeries));
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),bar,SLOT(handleGeometryChanged(const QRectF&)));
                     QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),bar,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
                     item=bar;
                     break;
                 }
                 case QSeries::SeriesTypeStackedBar: {
                     QStackedBarSeries* stackedBarSeries = static_cast<QStackedBarSeries*>(series);
                     StackedBarPresenter* bar = new StackedBarPresenter(stackedBarSeries,m_chart);
                     if(m_options.testFlag(QChart::SeriesAnimations)) {
                      //  m_animator->addAnimation(bar);
                     }
                     m_chartTheme->decorate(bar, stackedBarSeries, m_dataset->seriesIndex(stackedBarSeries));
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),bar,SLOT(handleGeometryChanged(const QRectF&)));
                     QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),bar,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
                     item=bar;
                     break;
                 }
                 case QSeries::SeriesTypePercentBar: {
                     QPercentBarSeries* percentBarSeries = static_cast<QPercentBarSeries*>(series);
                     PercentBarPresenter* bar = new PercentBarPresenter(percentBarSeries,m_chart);
                     if(m_options.testFlag(QChart::SeriesAnimations)) {
                      //  m_animator->addAnimation(bar);
                     }
                     m_chartTheme->decorate(bar, percentBarSeries, m_dataset->seriesIndex(percentBarSeries));
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),bar,SLOT(handleGeometryChanged(const QRectF&)));
                     QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),bar,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
                     item=bar;
                     break;
                 }
                 case QSeries::SeriesTypeScatter: {
                 	QScatterSeries *scatterSeries = static_cast<QScatterSeries *>(series);
                         ScatterChartItem *scatter = new ScatterChartItem(scatterSeries, m_chart);
                         if(m_options.testFlag(QChart::SeriesAnimations)) {
                             m_animator->addAnimation(scatter);
                         }
                         m_chartTheme->decorate(scatterSeries, m_dataset->seriesIndex(series));
                         QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),scatter,SLOT(handleGeometryChanged(const QRectF&)));
                         QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),scatter,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
                         item = scatter;
                         break;
             	}
                 case QSeries::SeriesTypePie: {
                     QPieSeries *pieSeries = static_cast<QPieSeries *>(series);
-                    PiePresenter* pie = new PiePresenter(m_chart, pieSeries);
+                    PieChartItem* pie = new PieChartItem(m_chart, pieSeries);
                     if(m_options.testFlag(QChart::SeriesAnimations)) {
                        // m_animator->addAnimation(pie);
                     }
                     m_chartTheme->decorate(pie, pieSeries, m_dataset->seriesIndex(series));
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),pie,SLOT(handleGeometryChanged(const QRectF&)));
                     QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),pie,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
                     // Hide all from background when there is only piechart
                     // TODO: refactor this ugly code... should be one setting for this
                     if (m_chartItems.count() == 0) {
                         m_chart->axisX()->hide();
                         m_chart->axisY()->hide();
                         m_chart->setChartBackgroundBrush(Qt::transparent);
                     }
                     item=pie;
                     break;
                 }
                 case QSeries::SeriesTypeSpline: {
                     QSplineSeries* splineSeries = static_cast<QSplineSeries*>(series);
                     SplineChartItem* spline  = new SplineChartItem(splineSeries, m_chart);
                     if(m_options.testFlag(QChart::SeriesAnimations)) {
                         m_animator->addAnimation(spline);
                     }
                     m_chartTheme->decorate(splineSeries, m_dataset->seriesIndex(series));
                     QObject::connect(this,SIGNAL(geometryChanged(const QRectF&)),spline,SLOT(handleGeometryChanged(const QRectF&)));
                     QObject::connect(domain,SIGNAL(domainChanged(qreal,qreal,qreal,qreal)),spline,SLOT(handleDomainChanged(qreal,qreal,qreal,qreal)));
                     item=spline;
                     break;
                 }
                 default: {
                     qDebug()<< "Series type" << series->type() << "not implemented.";
                     break;
                 }
                 }
                 //initialize
                 item->handleDomainChanged(domain->minX(),domain->maxX(),domain->minY(),domain->maxY());
                 if(m_rect.isValid()) item->handleGeometryChanged(m_rect);
                 m_chartItems.insert(series,item);
                 zoomReset();
             }
             void ChartPresenter::handleSeriesRemoved(QSeries* series)
             {
                 ChartItem* item = m_chartItems.take(series);
                 Q_ASSERT(item);
                 if(m_animator) {
                     //small hack to handle area animations
                     if(series->type()==QSeries::SeriesTypeArea){
                          QAreaSeries* areaSeries = static_cast<QAreaSeries*>(series);
                          AreaChartItem* area = static_cast<AreaChartItem*>(item);
                          m_animator->removeAnimation(area->upperLineItem());
                          if(areaSeries->lowerSeries())  m_animator->addAnimation(area->lowerLineItem());
                     }else
                     m_animator->removeAnimation(item);
                 }
                 delete item;
             }
             void ChartPresenter::setChartTheme(QChart::ChartTheme theme)
             {
             	if(m_chartTheme && m_chartTheme->id() == theme) return;
                 delete m_chartTheme;
                 m_chartTheme = ChartTheme::createTheme(theme);
                 m_chartTheme->decorate(m_chart);
                 m_chartTheme->decorate(m_chart->legend());
                 resetAllElements();
             }
             QChart::ChartTheme ChartPresenter::chartTheme()
             {
                 return m_chartTheme->id();
             }
             void ChartPresenter::setAnimationOptions(QChart::AnimationOptions options)
             {
                 if(m_options!=options) {
                     m_options=options;
                     if(m_options!=QChart::NoAnimation && !m_animator) {
                         m_animator= new ChartAnimator(this);
                     }
                     resetAllElements();
                 }
             }
             void ChartPresenter::resetAllElements()
             {
                  QList<QChartAxis*> axisList = m_axisItems.uniqueKeys();
                  QList<QSeries*> seriesList = m_chartItems.uniqueKeys();
                  foreach(QChartAxis* axis, axisList) {
                      handleAxisRemoved(axis);
                      handleAxisAdded(axis,m_dataset->domain(axis));
                  }
                  foreach(QSeries* series, seriesList) {
                      handleSeriesRemoved(series);
                      handleSeriesAdded(series,m_dataset->domain(series));
                  }
             }
             void ChartPresenter::zoomIn()
             {
             	QRectF rect = geometry();
             	rect.setWidth(rect.width()/2);
             	rect.setHeight(rect.height()/2);
             	rect.moveCenter(geometry().center());
             	zoomIn(rect);
             }
             void ChartPresenter::zoomIn(const QRectF& rect)
             {
             	QRectF r = rect.normalized();
             	r.translate(-m_marginSize, -m_marginSize);
             	if(m_animator) {
             		QPointF point(r.center().x()/geometry().width(),r.center().y()/geometry().height());
             		m_animator->setState(ChartAnimator::ZoomInState,point);
             	}
             	m_dataset->zoomInDomain(r,geometry().size());
             	m_zoomStack<<r;
             	m_zoomIndex++;
             	if(m_animator) {
             		m_animator->setState(ChartAnimator::ShowState);
             	}
             }
             void ChartPresenter::zoomOut()
             {
             	if(m_zoomIndex==0) return;
             	if(m_animator)
             	{
             		m_animator->setState(ChartAnimator::ZoomOutState);
             	}
             	m_dataset->zoomOutDomain(m_zoomStack[m_zoomIndex-1],geometry().size());
             	m_zoomIndex--;
             	m_zoomStack.resize(m_zoomIndex);
             	if(m_animator){
             			m_animator->setState(ChartAnimator::ShowState);
             	}
             }
             void ChartPresenter::zoomReset()
             {
                 m_zoomIndex=0;
                 m_zoomStack.resize(m_zoomIndex);
             }
             void ChartPresenter::scroll(int dx,int dy)
             {
             	if(m_animator){
             		if(dx<0) m_animator->setState(ChartAnimator::ScrollLeftState,QPointF());
             		if(dx>0) m_animator->setState(ChartAnimator::ScrollRightState,QPointF());
             		if(dy<0) m_animator->setState(ChartAnimator::ScrollUpState,QPointF());
             		if(dy>0) m_animator->setState(ChartAnimator::ScrollDownState,QPointF());
             	}
             	m_dataset->scrollDomain(dx,dy,geometry().size());
                 if(m_animator){
             		m_animator->setState(ChartAnimator::ShowState);
             	}
             }
             QChart::AnimationOptions ChartPresenter::animationOptions() const
             {
                 return m_options;
             }
             #include "moc_chartpresenter_p.cpp"
             QTCOMMERCIALCHART_END_NAMESPACE

src/charttheme.cpp +2 -2

             #include "charttheme_p.h"
             #include "qchart.h"
             #include "qlegend.h"
             #include "qchartaxis.h"
             #include <QTime>
             //series
             #include "qbarset.h"
             #include "qbarseries.h"
             #include "qstackedbarseries.h"
             #include "qpercentbarseries.h"
             #include "qlineseries.h"
             #include "qareaseries.h"
             #include "qscatterseries.h"
             #include "qpieseries.h"
             #include "qpieslice.h"
             #include "qsplineseries.h"
             //items
             #include "axisitem_p.h"
             #include "barpresenter_p.h"
             #include "stackedbarpresenter_p.h"
             #include "percentbarpresenter_p.h"
             #include "linechartitem_p.h"
             #include "areachartitem_p.h"
             #include "scatterchartitem_p.h"
-            #include "piepresenter_p.h"
+            #include "piechartitem_p.h"
             #include "splinechartitem_p.h"
             //themes
             #include "chartthemedefault_p.h"
             #include "chartthemevanilla_p.h"
             #include "chartthemeicy_p.h"
             #include "chartthemegrayscale_p.h"
             #include "chartthemescientific_p.h"
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
             ChartTheme::ChartTheme(QChart::ChartTheme id)
             {
                 m_id = id;
                 qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
             }
             ChartTheme* ChartTheme::createTheme(QChart::ChartTheme theme)
             {
                 switch(theme) {
                     case QChart::ChartThemeVanilla:
                         return new ChartThemeVanilla();
                     case QChart::ChartThemeIcy:
                         return new ChartThemeIcy();
                     case QChart::ChartThemeGrayscale:
                         return new ChartThemeGrayscale();
                     case QChart::ChartThemeScientific:
                         return new ChartThemeScientific();
                     default:
                         return new ChartThemeDefault();
                 }
             }
             void ChartTheme::decorate(QChart* chart)
             {
                 chart->setChartBackgroundBrush(m_backgroundGradient);
                 chart->setChartTitleFont(m_masterFont);
             }
             void ChartTheme::decorate(QLegend* legend)
             {
                 legend->setBackgroundBrush(m_backgroundGradient);
             }
             void ChartTheme::decorate(QAreaSeries* series, int index)
             {
                 QPen pen;
                 QBrush brush;
                 if (pen == series->pen()){
                     pen.setColor(colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1.0));
                     pen.setWidthF(2);
                     series->setPen(pen);
                 }
                 if (brush == series->brush()) {
                    QBrush brush(m_seriesColors.at(index % m_seriesColors.size()));
                    series->setBrush(brush);
                 }
             }
             void ChartTheme::decorate(QLineSeries* series,int index)
             {
                 QPen pen;
                 if(pen == series->pen()){
                     pen.setColor(m_seriesColors.at(index%m_seriesColors.size()));
                     pen.setWidthF(2);
                     series->setPen(pen);
                 }
             }
             void ChartTheme::decorate(BarPresenter* item, QBarSeries* series,int index)
             {
                 QList<QBarSet*> sets = series->barSets();
                 for (int i=0; i<sets.count(); i++) {
                     qreal pos = 0.5;
                     if (sets.count() > 1)
                         pos = (qreal) i / (qreal) (sets.count() - 1);
                     QColor c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos);
                     sets.at(i)->setBrush(QBrush(c));
                     // Pick label color as far as possible from bar color (within gradient).
                     // 0.3 is magic number that was picked as value that gave enough contrast with icy theme gradient :)
                     // TODO: better picking of label color?
                     if (pos < 0.3) {
                         c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1);
                     } else {
                         c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0);
                     }
                     sets.at(i)->setFloatingValuePen(QPen(c));
                 }
             }
             void ChartTheme::decorate(StackedBarPresenter* item, QStackedBarSeries* series,int index)
             {
                 QList<QBarSet*> sets = series->barSets();
                 for (int i=0; i<sets.count(); i++) {
                     qreal pos = 0.5;
                     if (sets.count() > 1)
                         pos = (qreal) i / (qreal) (sets.count() - 1);
                     QColor c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos);
                     sets.at(i)->setBrush(QBrush(c));
                     if (pos < 0.3) {
                         c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1);
                     } else {
                         c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0);
                     }
                     sets.at(i)->setFloatingValuePen(QPen(c));
                 }
             }
             void ChartTheme::decorate(PercentBarPresenter* item, QPercentBarSeries* series,int index)
             {
                 QList<QBarSet*> sets = series->barSets();
                 for (int i=0; i<sets.count(); i++) {
                     qreal pos = 0.5;
                     if (sets.count() > 1)
                         pos = (qreal) i / (qreal) (sets.count() - 1);
                     QColor c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos);
                     sets.at(i)->setBrush(QBrush(c));
                     if (pos < 0.3) {
                         c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1);
                     } else {
                         c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0);
                     }
                     sets.at(i)->setFloatingValuePen(QPen(c));
                 }
             }
             void ChartTheme::decorate(QScatterSeries* series, int index)
             {
                 QPen pen;
                 QBrush brush;
                 if (pen == series->pen()) {
                     pen.setColor(colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1.0));
                     pen.setWidthF(2);
                     series->setPen(pen);
                 }
                 if (brush == series->brush()) {
                     QBrush brush(m_seriesColors.at(index % m_seriesColors.size()));
                     series->setBrush(brush);
                 }
             }
-            void ChartTheme::decorate(PiePresenter* item, QPieSeries* series, int index)
+            void ChartTheme::decorate(PieChartItem* item, QPieSeries* series, int index)
             {
                 // Get color for a slice from a gradient linearly, beginning from the start of the gradient
                 for (int i(0); i < series->slices().count(); i++) {
                     qreal pos = (qreal) i / (qreal) series->count();
                     QColor penColor = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0.1);
                     series->slices().at(i)->setSlicePen(penColor);
                     QColor brushColor = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos);
                     series->slices().at(i)->setSliceBrush(brushColor);
                 }
             }
             void ChartTheme::decorate(QSplineSeries* series, int index)
             {
                 QPen pen;
                 if(pen == series->pen()){
                     pen.setColor(m_seriesColors.at(index%m_seriesColors.size()));
                     pen.setWidthF(2);
                     series->setPen(pen);
                 }
             }
             void ChartTheme::decorate(QChartAxis* axis,bool axisX)
             {
                 if (axis->isAxisVisible()) {
                     axis->setLabelsBrush(m_axisLabelBrush);
                     axis->setLabelsPen(m_axisLabelPen);
                     // TODO: check the axis type (x or y) should define whether to show the shades or not
                     if (m_backgroundShades == BackgroundShadesBoth
                             || (m_backgroundShades == BackgroundShadesVertical && axisX)
                             || (m_backgroundShades == BackgroundShadesHorizontal && !axisX)) {
                         axis->setShadesPen(m_backgroundShadesPen);
                         axis->setShadesBrush(m_backgroundShadesBrush);
                     } else {
                         // The shades not supposed to be shown for this axis, clear possible brush and pen
                         axis->setShadesPen(Qt::NoPen);
                         axis->setShadesBrush(Qt::NoBrush);
                     }
                     axis->setAxisPen(m_axisLinePen);
                     axis->setGridLinePen(m_gridLinePen);
                     axis->setLabelsFont(m_masterFont);
                 }
             }
             void ChartTheme::generateSeriesGradients()
             {
                 // Generate gradients in HSV color space
                 foreach (QColor color, m_seriesColors) {
                     QLinearGradient g;
                     qreal h = color.hsvHueF();
                     qreal s = color.hsvSaturationF();
                     // TODO: tune the algorithm to give nice results with most base colors defined in
                     // most themes. The rest of the gradients we can define manually in theme specific
                     // implementation.
                     QColor start = color;
                     start.setHsvF(h, 0.05, 0.95);
                     g.setColorAt(0.0, start);
                     g.setColorAt(0.5, color);
                     QColor end = color;
                     end.setHsvF(h, s, 0.25);
                     g.setColorAt(1.0, end);
                     m_seriesGradients << g;
                 }
             }
             QColor ChartTheme::colorAt(const QColor &start, const QColor &end, qreal pos)
             {
                 Q_ASSERT(pos >=0.0 && pos <= 1.0);
                 qreal r = start.redF() + ((end.redF() - start.redF()) * pos);
                 qreal g = start.greenF() + ((end.greenF() - start.greenF()) * pos);
                 qreal b = start.blueF() + ((end.blueF() - start.blueF()) * pos);
                 QColor c;
                 c.setRgbF(r, g, b);
                 return c;
             }
             QColor ChartTheme::colorAt(const QGradient &gradient, qreal pos)
             {
                 Q_ASSERT(pos >=0 && pos <= 1.0);
                 // another possibility:
                 // http://stackoverflow.com/questions/3306786/get-intermediate-color-from-a-gradient
                 QGradientStops stops = gradient.stops();
                 int count = stops.count();
                 // find previous stop relative to position
                 QGradientStop prev = stops.first();
                 for (int i=0; i<count; i++) {
                     QGradientStop stop = stops.at(i);
                     if (pos > stop.first)
                         prev = stop;
                     // given position is actually a stop position?
                     if (pos == stop.first) {
                         //qDebug() << "stop color" << pos;
                         return stop.second;
                     }
                 }
                 // find next stop relative to position
                 QGradientStop next = stops.last();
                 for (int i=count-1; i>=0; i--) {
                     QGradientStop stop = stops.at(i);
                     if (pos < stop.first)
                         next = stop;
                 }
                 //qDebug() << "prev" << prev.first << "pos" << pos << "next" << next.first;
                 qreal range = next.first - prev.first;
                 qreal posDelta = pos - prev.first;
                 qreal relativePos = posDelta / range;
                 //qDebug() << "range" << range << "posDelta" << posDelta << "relativePos" << relativePos;
                 return colorAt(prev.second, next.second, relativePos);
             }
             QTCOMMERCIALCHART_END_NAMESPACE

src/charttheme_p.h +2 -2

             #ifndef CHARTTHEME_H
             #define CHARTTHEME_H
             #include "qchartglobal.h"
             #include "qchart.h"
             #include <QColor>
             #include <QGradientStops>
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
             class ChartItem;
             class QSeries;
             class LineChartItem;
             class QLineSeries;
             class BarPresenter;
             class QBarSeries;
             class StackedBarPresenter;
             class QStackedBarSeries;
             class QPercentBarSeries;
             class PercentBarPresenter;
             class QScatterSeries;
             class ScatterChartItem;
-            class PiePresenter;
+            class PieChartItem;
             class QPieSeries;
             class SplineChartItem;
             class QSplineSeries;
             class AreaChartItem;
             class QAreaSeries;
             class ChartTheme
             {
             public:
                 enum BackgroundShadesMode {
                     BackgroundShadesNone = 0,
                     BackgroundShadesVertical,
                     BackgroundShadesHorizontal,
                     BackgroundShadesBoth
                 };
             protected:
                 explicit ChartTheme(QChart::ChartTheme id =  QChart::ChartThemeDefault);
             public:
                 static ChartTheme* createTheme(QChart::ChartTheme theme);
                 QChart::ChartTheme id() const {return m_id;}
                 void decorate(QChart* chart);
                 void decorate(QLegend* legend);
                 //void decorate(ChartItem* item, QSeries* series,int index);
                 void decorate(BarPresenter* item, QBarSeries* series, int index);
                 void decorate(StackedBarPresenter* item, QStackedBarSeries* series, int index);
                 void decorate(PercentBarPresenter* item, QPercentBarSeries* series, int index);
                 void decorate(QLineSeries* series, int index);
                 void decorate(QAreaSeries* series, int index);
                 void decorate(QScatterSeries* series, int index);
-                void decorate(PiePresenter* item, QPieSeries* series, int index);
+                void decorate(PieChartItem* item, QPieSeries* series, int index);
                 void decorate(QSplineSeries* series, int index);
                 void decorate(QChartAxis* axis, bool axisX);
             public: // utils
                 void generateSeriesGradients();
                 static QColor colorAt(const QColor &start, const QColor &end, qreal pos);
                 static QColor colorAt(const QGradient &gradient, qreal pos);
             protected:
                 QChart::ChartTheme m_id;
                 QList<QColor> m_seriesColors;
                 QList<QGradient> m_seriesGradients;
                 QLinearGradient m_backgroundGradient;
                 QFont m_masterFont;
                 QPen m_axisLinePen;
                 QBrush m_axisLabelBrush;
                 QPen m_axisLabelPen;
                 QPen m_backgroundShadesPen;
                 QBrush m_backgroundShadesBrush;
                 BackgroundShadesMode m_backgroundShades;
                 QPen m_gridLinePen;
             };
             QTCOMMERCIALCHART_END_NAMESPACE
             #endif // CHARTTHEME_H

src/piechart/piechart.pri +2 -2

             INCLUDEPATH += $$PWD
             DEPENDPATH += $$PWD
             SOURCES += \
                 $$PWD/qpieseries.cpp \
                 $$PWD/pieslice.cpp \
-                $$PWD/piepresenter.cpp \
+                $$PWD/piechartitem.cpp \
                 $$PWD/qpieslice.cpp
             PRIVATE_HEADERS += \
-                $$PWD/piepresenter_p.h \
+                $$PWD/piechartitem_p.h \
                 $$PWD/pieslice_p.h \
             PUBLIC_HEADERS += \
                 $$PWD/qpieseries.h \
                 $$PWD/qpieslice.h

src/piechart/piechartitem.cpp ~~src/piechart/piepresenter.cpp~~ renamed +12 -12

-            #include "piepresenter_p.h"
+            #include "piechartitem_p.h"
             #include "pieslice_p.h"
             #include "qpieslice.h"
             #include "qpieseries.h"
             #include "chartpresenter_p.h"
             #include <QDebug>
             #include <QPainter>
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
-            PiePresenter::PiePresenter(QGraphicsItem *parent, QPieSeries *series)
+            PieChartItem::PieChartItem(QGraphicsItem *parent, QPieSeries *series)
                 :ChartItem(parent),
                 m_series(series)
             {
                 Q_ASSERT(series);
                 connect(series, SIGNAL(changed()), this, SLOT(handleSeriesChanged()));
                 // Note: the following does not affect as long as the item does not have anything to paint
                 setZValue(ChartPresenter::PieSeriesZValue);
             }
-            PiePresenter::~PiePresenter()
+            PieChartItem::~PieChartItem()
             {
                 // slices deleted automatically through QGraphicsItem
             }
-            void PiePresenter::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
+            void PieChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
             {
                 // TODO: paint shadows for all components
                 // - get paths from items & merge & offset and draw with shadow color?
                 //painter->setBrush(QBrush(Qt::red));
                 //painter->drawRect(m_debugRect);
             }
-            void PiePresenter::handleSeriesChanged()
+            void PieChartItem::handleSeriesChanged()
             {
                 QVector<PieSliceLayout> sliceLayout = calculateLayout();
                 applyLayout(sliceLayout);
                 update();
             }
-            void PiePresenter::handleSliceChanged()
+            void PieChartItem::handleSliceChanged()
             {
                 // TODO: optimize don't need to handle all slices
                 QVector<PieSliceLayout> sliceLayout = calculateLayout();
                 applyLayout(sliceLayout);
                 update();
             }
-            void PiePresenter::handleDomainChanged(qreal, qreal, qreal, qreal)
+            void PieChartItem::handleDomainChanged(qreal, qreal, qreal, qreal)
             {
                 // TODO
             }
-            void PiePresenter::handleGeometryChanged(const QRectF& rect)
+            void PieChartItem::handleGeometryChanged(const QRectF& rect)
             {
                 prepareGeometryChange();
                 m_rect = rect;
                 QVector<PieSliceLayout> sliceLayout = calculateLayout();
                 applyLayout(sliceLayout);
                 update();
             }
-            QVector<PieSliceLayout> PiePresenter::calculateLayout()
+            QVector<PieSliceLayout> PieChartItem::calculateLayout()
             {
                 // find pie center coordinates
                 QPointF center;
                 center.setX(m_rect.left() + (m_rect.width() * m_series->pieHorizontalPosition()));
                 center.setY(m_rect.top() + (m_rect.height() * m_series->pieVerticalPosition()));
                 // find maximum radius for pie
                 qreal radius = m_rect.height() / 2;
                 if (m_rect.width() < m_rect.height())
                     radius = m_rect.width() / 2;
                 // apply size factor
                 radius *= m_series->pieSize();
                 QVector<PieSliceLayout> layout;
                 foreach (QPieSlice* s, m_series->slices()) {
                     PieSliceLayout sliceLayout;
                     sliceLayout.m_data = s;
                     sliceLayout.m_center = PieSlice::sliceCenter(center, radius, s);
                     sliceLayout.m_radius = radius;
                     sliceLayout.m_startAngle = s->startAngle();
                     sliceLayout.m_angleSpan = s->m_angleSpan;
                     layout << sliceLayout;
                 }
                 return layout;
             }
-            void PiePresenter::applyLayout(const QVector<PieSliceLayout> &layout)
+            void PieChartItem::applyLayout(const QVector<PieSliceLayout> &layout)
             {
                 //if(m_animator)
                 //        m_animator->applyLayout(this,points);
                 //else
                 setLayout(layout);
             }
-            void PiePresenter::setLayout(const QVector<PieSliceLayout> &layout)
+            void PieChartItem::setLayout(const QVector<PieSliceLayout> &layout)
             {
                 foreach (PieSliceLayout l, layout) {
                     // find slice
                     PieSlice *slice = m_slices.value(l.m_data);
                     if (!slice) {
                         // add a new slice
                         slice = new PieSlice(this);
                         m_slices.insert(l.m_data, slice);
                         // connect signals
                         connect(l.m_data, SIGNAL(changed()), this, SLOT(handleSliceChanged()));
                         connect(slice, SIGNAL(clicked()), l.m_data, SIGNAL(clicked()));
                         connect(slice, SIGNAL(hoverEnter()), l.m_data, SIGNAL(hoverEnter()));
                         connect(slice, SIGNAL(hoverLeave()), l.m_data, SIGNAL(hoverLeave()));
                     }
                     // update
                     slice->setLayout(l);
                     slice->updateGeometry();
                     slice->update();
                 }
                 // delete slices
                 foreach (QPieSlice *s, m_slices.keys()) {
                     bool found = false;
                     foreach (PieSliceLayout l, layout) {
                         if (l.m_data == s)
                             found = true;
                     }
                     if (!found)
                         delete m_slices.take(s);
                 }
             }
-            #include "moc_piepresenter_p.cpp"
+            #include "moc_piechartitem_p.cpp"
             QTCOMMERCIALCHART_END_NAMESPACE

src/piechart/piechartitem_p.h ~~src/piechart/piepresenter_p.h~~ renamed +6 -6

-            #ifndef PIEPRESENTER_H
+            #ifndef PIECHARTITEM_H
-            #define PIEPRESENTER_H
+            #define PIECHARTITEM_H
             #include "qpieseries.h"
             #include "chartitem_p.h"
             #include "pieslice_p.h"
             class QGraphicsItem;
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
             class QPieSlice;
-            class PiePresenter : public QObject, public ChartItem
+            class PieChartItem : public QObject, public ChartItem
             {
                 Q_OBJECT
             public:
                 // TODO: use a generic data class instead of x and y
-                PiePresenter(QGraphicsItem *parent, QPieSeries *series);
+                PieChartItem(QGraphicsItem *parent, QPieSeries *series);
-                ~PiePresenter();
+                ~PieChartItem();
             public: // from QGraphicsItem
                 QRectF boundingRect() const { return m_rect; }
                 void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);
             public Q_SLOTS:
                 void handleSeriesChanged();
                 void handleSliceChanged();
                 void handleDomainChanged(qreal, qreal, qreal, qreal);
                 void handleGeometryChanged(const QRectF& rect);
             private:
                 QVector<PieSliceLayout> calculateLayout();
                 void applyLayout(const QVector<PieSliceLayout> &layout);
                 void setLayout(const QVector<PieSliceLayout> &layout);
             private:
                 friend class PieSlice;
                 QHash<QPieSlice*, PieSlice*> m_slices;
                 QPieSeries *m_series;
                 QRectF m_rect;
                 QPointF m_pieCenter;
                 qreal m_pieRadius;
                 QRectF m_debugRect;
             };
             QTCOMMERCIALCHART_END_NAMESPACE
-            #endif // PIEPRESENTER_H
+            #endif // PIECHARTITEM_H

src/piechart/pieslice.cpp +1 -1

             #include "pieslice_p.h"
-            #include "piepresenter_p.h"
+            #include "piechartitem_p.h"
             #include "qpieseries.h"
             #include "qpieslice.h"
             #include "chartpresenter_p.h"
             #include <QPainter>
             #include <QDebug>
             #include <qmath.h>
             #include <QGraphicsSceneEvent>
             #include <QTime>
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
             #define PI 3.14159265 // TODO: is this defined in some header?
             QPointF offset(qreal angle, qreal length)
             {
                 qreal dx = qSin(angle*(PI/180)) * length;
                 qreal dy = qCos(angle*(PI/180)) * length;
                 return QPointF(dx, -dy);
             }
             PieSlice::PieSlice(QGraphicsItem* parent)
                 :QGraphicsObject(parent),
                 m_startAngle(0),
                 m_angleSpan(0),
                 m_isExploded(false),
                 m_explodeDistanceFactor(0),
                 m_labelVisible(false),
                 m_labelArmLengthFactor(0)
             {
                 setAcceptHoverEvents(true);
                 setAcceptedMouseButtons(Qt::LeftButton);
                 setZValue(ChartPresenter::PieSeriesZValue);
             }
             PieSlice::~PieSlice()
             {
             }
             QRectF PieSlice::boundingRect() const
             {
                 return m_slicePath.boundingRect();
             }
             QPainterPath PieSlice::shape() const
             {
                 // Don't include the label and label arm.
                 // This is used to detect a mouse clicks. We do not want clicks from label.
                 return m_slicePath;
             }
             void PieSlice::paint(QPainter* painter, const QStyleOptionGraphicsItem* /*option*/, QWidget* /*widget*/)
             {
                 painter->setClipRect(parentItem()->boundingRect());
                 painter->save();
                 painter->setPen(m_slicePen);
                 painter->setBrush(m_sliceBrush);
                 painter->drawPath(m_slicePath);
                 painter->restore();
                 if (m_labelVisible) {
                     painter->save();
                     painter->setPen(m_labelArmPen);
                     painter->drawPath(m_labelArmPath);
                     painter->restore();
                     painter->setFont(m_labelFont);
                     painter->drawText(m_labelTextRect.bottomLeft(), m_labelText);
                 }
             }
             void PieSlice::hoverEnterEvent(QGraphicsSceneHoverEvent* /*event*/)
             {
                 emit hoverEnter();
             }
             void PieSlice::hoverLeaveEvent(QGraphicsSceneHoverEvent* /*event*/)
             {
                 emit hoverLeave();
             }
             void PieSlice::mousePressEvent(QGraphicsSceneMouseEvent* /*event*/)
             {
                 emit clicked();
             }
             void PieSlice::setLayout(PieSliceLayout layout)
             {
                 m_layout = layout;
                 updateData(layout.m_data);
             }
             void PieSlice::updateGeometry()
             {
                 if (m_layout.m_radius <= 0)
                     return;
                 prepareGeometryChange();
                 // update slice path
                 qreal centerAngle;
                 QPointF armStart;
                 m_slicePath = slicePath(m_layout.m_center, m_layout.m_radius, m_startAngle, m_angleSpan, &centerAngle, &armStart);
                 // update text rect
                 m_labelTextRect = labelTextRect(m_labelFont, m_labelText);
                 // update label arm path
                 QPointF labelTextStart;
                 m_labelArmPath = labelArmPath(armStart, centerAngle, m_layout.m_radius * m_labelArmLengthFactor, m_labelTextRect.width(), &labelTextStart);
                 // update text position
                 m_labelTextRect.moveBottomLeft(labelTextStart);
                 //qDebug() << "PieSlice::updateGeometry" << m_labelText << boundingRect() << m_startAngle << m_startAngle + m_angleSpan;
             }
             void PieSlice::updateData(const QPieSlice* sliceData)
             {
                 // TODO: compare what has changes to avoid unneccesary geometry updates
                 m_startAngle = sliceData->startAngle();
                 m_angleSpan = sliceData->m_angleSpan;
                 m_isExploded = sliceData->isExploded();
                 m_explodeDistanceFactor = sliceData->explodeDistanceFactor();
                 m_slicePen = sliceData->slicePen();
                 m_sliceBrush = sliceData->sliceBrush();
                 m_labelVisible = sliceData->isLabelVisible();
                 m_labelText = sliceData->label();
                 m_labelFont = sliceData->labelFont();
                 m_labelArmLengthFactor = sliceData->labelArmLengthFactor();
                 m_labelArmPen = sliceData->labelArmPen();
             }
             QPointF PieSlice::sliceCenter(QPointF point, qreal radius, QPieSlice *slice)
             {
                 if (slice->isExploded()) {
                     qreal centerAngle = slice->startAngle() + (slice->m_angleSpan/2);
                     qreal len = radius * slice->explodeDistanceFactor();
                     qreal dx = qSin(centerAngle*(PI/180)) * len;
                     qreal dy = -qCos(centerAngle*(PI/180)) * len;
                     point += QPointF(dx, dy);
                 }
                 return point;
             }
             QPainterPath PieSlice::slicePath(QPointF center, qreal radius, qreal startAngle, qreal angleSpan, qreal* centerAngle, QPointF* armStart)
             {
                 // calculate center angle
                 *centerAngle = startAngle + (angleSpan/2);
                 // calculate slice rectangle
                 QRectF rect(center.x()-radius, center.y()-radius, radius*2, radius*2);
                 // slice path
                 // TODO: draw the shape so that it might have a hole in the center
                 QPainterPath path;
                 path.moveTo(rect.center());
                 path.arcTo(rect, -startAngle + 90, -angleSpan);
                 path.closeSubpath();
                 // calculate label arm start point
                 *armStart = center;
                 *armStart += offset(*centerAngle, radius + PIESLICE_LABEL_GAP);
                 return path;
             }
             QPainterPath PieSlice::labelArmPath(QPointF start, qreal angle, qreal length, qreal textWidth, QPointF* textStart)
             {
                 qreal dx = qSin(angle*(PI/180)) * length;
                 qreal dy = -qCos(angle*(PI/180)) * length;
                 QPointF parm1 = start + QPointF(dx, dy);
                 QPointF parm2 = parm1;
                 if (angle < 180) { // arm swings the other way on the left side
                      parm2 += QPointF(textWidth, 0);
                      *textStart = parm1;
                 }
                 else {
                      parm2 += QPointF(-textWidth,0);
                      *textStart = parm2;
                 }
                 // elevate the text position a bit so that it does not hit the line
                 *textStart += QPointF(0, -5);
                 QPainterPath path;
                 path.moveTo(start);
                 path.lineTo(parm1);
                 path.lineTo(parm2);
                 return path;
             }
             QRectF PieSlice::labelTextRect(QFont font, QString text)
             {
                 QFontMetricsF fm(font);
                 return fm.boundingRect(text);
             }
             #include "moc_pieslice_p.cpp"
             QTCOMMERCIALCHART_END_NAMESPACE

src/piechart/pieslice_p.h +1 -1

             #ifndef PIESLICE_H
             #define PIESLICE_H
             #include "qchartglobal.h"
             #include "charttheme_p.h"
             #include "qpieseries.h"
             #include <QGraphicsItem>
             #include <QRectF>
             #include <QColor>
             #include <QPen>
             #define PIESLICE_LABEL_GAP 5
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
-            class PiePresenter;
+            class PieChartItem;
             class PieSliceLabel;
             class QPieSlice;
             class PieSliceLayout
             {
             public:
                 QPieSlice* m_data;
                 QPointF m_center;
                 qreal m_radius;
                 qreal m_startAngle;
                 qreal m_angleSpan;
             };
             class PieSlice : public QGraphicsObject
             {
                 Q_OBJECT
             public:
                 PieSlice(QGraphicsItem* parent = 0);
                 ~PieSlice();
             public: // from QGraphicsItem
                 QRectF boundingRect() const;
                 QPainterPath shape() const;
                 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
                 void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
                 void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
                 void mousePressEvent(QGraphicsSceneMouseEvent *event);
             Q_SIGNALS:
                 void clicked();
                 void hoverEnter();
                 void hoverLeave();
             public:
                 void setLayout(PieSliceLayout layout);
                 void updateGeometry();
                 void updateData(const QPieSlice *sliceData);
                 static QPointF sliceCenter(QPointF point, qreal radius, QPieSlice *slice);
                 static QPainterPath slicePath(QPointF center, qreal radius, qreal startAngle, qreal angleSpan, qreal* centerAngle, QPointF* armStart);
                 static QPainterPath labelArmPath(QPointF start, qreal angle, qreal length, qreal textWidth, QPointF* textStart);
                 static QRectF labelTextRect(QFont font, QString text);
             private:
                 PieSliceLayout m_layout;
                 QPainterPath m_slicePath;
                 qreal m_startAngle;
                 qreal m_angleSpan;
                 bool m_isExploded;
                 qreal m_explodeDistanceFactor;
                 bool m_labelVisible;
                 QPen m_slicePen;
                 QBrush m_sliceBrush;
                 QPainterPath m_labelArmPath;
                 qreal m_labelArmLengthFactor;
                 QPen m_labelArmPen;
                 QRectF m_labelTextRect;
                 QFont m_labelFont;
                 QString m_labelText;
             };
             QTCOMMERCIALCHART_END_NAMESPACE
             #endif // PIESLICE_H

src/piechart/qpieseries.h +2 -2

             #ifndef PIESERIES_H
             #define PIESERIES_H
             #include "qseries.h"
             #include <QObject>
             #include <QRectF>
             #include <QColor>
             #include <QPen>
             #include <QBrush>
             #include <QSignalMapper>
             class QGraphicsObject;
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
-            class PiePresenter;
+            class PieChartItem;
             class PieSlice;
             class QPieSlice;
             class QTCOMMERCIALCHART_EXPORT QPieSeries : public QSeries
             {
                 Q_OBJECT
             public:
                 class ChangeSet
                 {
                 public:
                     // TODO: these should not really be exposed to the public API
                     void appendAdded(QPieSlice* slice);
                     void appendAdded(QList<QPieSlice*> slices);
                     void appendChanged(QPieSlice* slice);
                     void appendRemoved(QPieSlice* slice);
                     QList<QPieSlice*> added() const;
                     QList<QPieSlice*> changed() const;
                     QList<QPieSlice*> removed() const;
                     bool isEmpty() const;
                 private:
                     QList<QPieSlice*> m_added;
                     QList<QPieSlice*> m_changed;
                     QList<QPieSlice*> m_removed;
                 };
             public:
                 QPieSeries(QObject *parent = 0);
                 virtual ~QPieSeries();
             public: // from QChartSeries
                 QSeriesType type() const;
             public:
                 // slice setters
                 void add(QPieSlice* slice);
                 void add(QList<QPieSlice*> slices);
                 void replace(QList<QPieSlice*> slices);
                 void remove(QPieSlice* slice);
                 void clear();
                 // sluce getters
                 QList<QPieSlice*> slices() const;
                 // calculated data
                 int count() const;
                 qreal total() const;
                 // pie customization
                 void setPiePosition(qreal relativeHorizontalPosition, qreal relativeVerticalPosition);
                 qreal pieHorizontalPosition() const;
                 qreal pieVerticalPosition() const;
                 void setPieSize(qreal relativeSize);
                 qreal pieSize() const;
                 void setPieStartAngle(qreal startAngle);
                 qreal pieStartAngle() const;
                 void setPieEndAngle(qreal endAngle);
                 qreal pieEndAngle() const;
                 // convenience function
                 QPieSeries& operator << (QPieSlice* slice);
                 QPieSlice* add(qreal value, QString name);
                 void setLabelsVisible(bool visible = true);
                 // TODO: find slices?
                 // QList<QPieSlice*> findByValue(qreal value);
                 // ...
                 // TODO: sorting slices?
                 // void sort(QPieSeries::SortByValue|label|??)
                 // TODO: general graphics customization
                 // setDrawStyle(2d|3d)
                 // setDropShadows
             Q_SIGNALS:
                 void clicked(QPieSlice* slice);
                 void hoverEnter(QPieSlice* slice);
                 void hoverLeave(QPieSlice* slice);
                 void changed(); // TODO: hide this in PIMPL
             private Q_SLOTS: // TODO: should be private and not visible in the interface at all
                 void sliceChanged();
                 void sliceClicked();
                 void sliceHoverEnter();
                 void sliceHoverLeave();
             private:
                 void updateDerivativeData();
             private:
                 Q_DISABLE_COPY(QPieSeries)
                 // TODO: use PIML
-                friend class PiePresenter;
+                friend class PieChartItem;
                 friend class PieSlice;
                 QList<QPieSlice*> m_slices;
                 qreal m_pieRelativeHorPos;
                 qreal m_pieRelativeVerPos;
                 qreal m_pieRelativeSize;
                 qreal m_pieStartAngle;
                 qreal m_pieEndAngle;
                 qreal m_total;
             };
             QTCOMMERCIALCHART_END_NAMESPACE
             #endif // PIESERIES_H

src/piechart/qpieslice.h +1 -1

             #ifndef QPIESLICE_H
             #define QPIESLICE_H
             #include <qchartglobal.h>
             #include <QObject>
             #include <QPen>
             #include <QBrush>
             #include <QFont>
             QTCOMMERCIALCHART_BEGIN_NAMESPACE
             class QTCOMMERCIALCHART_EXPORT QPieSlice : public QObject
             {
                 Q_OBJECT
                 Q_PROPERTY(QString label READ label WRITE setLabel NOTIFY changed)
                 Q_PROPERTY(qreal value READ value WRITE setValue NOTIFY changed)
             public:
                 QPieSlice(QObject *parent = 0);
                 QPieSlice(qreal value, QString label, QObject *parent = 0);
                 virtual ~QPieSlice();
                 // data
                 void setValue(qreal value);
                 qreal value() const;
                 void setLabel(QString label);
                 QString label() const;
                 void setLabelVisible(bool visible);
                 bool isLabelVisible() const;
                 void setExploded(bool exploded);
                 bool isExploded() const;
                 void setExplodeDistanceFactor(qreal factor);
                 qreal explodeDistanceFactor() const;
                 // generated data
                 qreal percentage() const;
                 qreal startAngle() const;
                 qreal endAngle() const;
                 // customization
                 void setSlicePen(const QPen &pen);
                 QPen slicePen() const;
                 void setSliceBrush(const QBrush &brush);
                 QBrush sliceBrush() const;
                 void setLabelArmPen(const QPen &pen);
                 QPen labelArmPen() const;
                 void setLabelFont(const QFont &font);
                 QFont labelFont() const;
                 void setLabelArmLengthFactor(qreal factor);
                 qreal labelArmLengthFactor() const;
                 // TODO: label position in general
                 // setLabelFlags(inside|outside|labelArmOn|labelArmOff|???)
                 // setLabelOrientation(horizontal|vertical|same as slice center angle|???)
             Q_SIGNALS:
                 void clicked();
                 void hoverEnter();
                 void hoverLeave();
                 void changed();
             private:
                 // TODO: use private class
                 friend class QPieSeries;
-                friend class PiePresenter;
+                friend class PieChartItem;
                 friend class PieSlice;
                 // data
                 qreal m_value;
                 QString m_label;
                 bool m_isLabelVisible;
                 bool m_isExploded;
                 qreal m_explodeDistanceFactor;
                 // generated data
                 qreal m_percentage;
                 qreal m_startAngle;
                 qreal m_angleSpan;
                 // customization
                 QPen m_slicePen;
                 QBrush m_sliceBrush;
                 QFont m_labelFont;
                 QPen m_labelArmPen;
                 qreal m_labelArmLengthFactor;
             };
             QTCOMMERCIALCHART_END_NAMESPACE
             #endif // QPIESLICE_H

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