diff options
Diffstat (limited to 'examples/charts/scatterinteractions/chartview.cpp')
| -rw-r--r-- | examples/charts/scatterinteractions/chartview.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/examples/charts/scatterinteractions/chartview.cpp b/examples/charts/scatterinteractions/chartview.cpp index 25432786..9c2e8da3 100644 --- a/examples/charts/scatterinteractions/chartview.cpp +++ b/examples/charts/scatterinteractions/chartview.cpp @@ -45,9 +45,8 @@ ChartView::ChartView(QWidget *parent) m_scatter = new QScatterSeries(); m_scatter->setName("scatter1"); for (qreal x(0.5); x <= 4.0; x += 0.5) { - for (qreal y(0.5); y <= 4.0; y += 0.5) { + for (qreal y(0.5); y <= 4.0; y += 0.5) *m_scatter << QPointF(x, y); - } } m_scatter2 = new QScatterSeries(); m_scatter2->setName("scatter2"); @@ -58,7 +57,7 @@ ChartView::ChartView(QWidget *parent) chart()->axisX()->setRange(0, 4.5); chart()->axisY()->setRange(0, 4.5); - connect(m_scatter, SIGNAL(clicked(QPointF)), this, SLOT(handleClickedPoint(QPointF))); + connect(m_scatter, &QScatterSeries::clicked, this, &ChartView::handleClickedPoint); } ChartView::~ChartView() @@ -71,7 +70,8 @@ void ChartView::handleClickedPoint(const QPointF &point) // Find the closest point from series 1 QPointF closest(INT_MAX, INT_MAX); qreal distance(INT_MAX); - foreach (QPointF currentPoint, m_scatter->points()) { + const auto points = m_scatter->points(); + for (const QPointF ¤tPoint : points) { qreal currentDistance = qSqrt((currentPoint.x() - clickedPoint.x()) * (currentPoint.x() - clickedPoint.x()) + (currentPoint.y() - clickedPoint.y()) |