diff options
Diffstat (limited to 'examples/charts/dynamicspline')
| -rw-r--r-- | examples/charts/dynamicspline/chart.cpp | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/examples/charts/dynamicspline/chart.cpp b/examples/charts/dynamicspline/chart.cpp index 21985998..ee7061d2 100644 --- a/examples/charts/dynamicspline/chart.cpp +++ b/examples/charts/dynamicspline/chart.cpp @@ -31,7 +31,7 @@ #include <QtCharts/QAbstractAxis> #include <QtCharts/QSplineSeries> #include <QtCharts/QValueAxis> -#include <QtCore/QTime> +#include <QtCore/QRandomGenerator> #include <QtCore/QDebug> Chart::Chart(QGraphicsItem *parent, Qt::WindowFlags wFlags): @@ -42,8 +42,6 @@ Chart::Chart(QGraphicsItem *parent, Qt::WindowFlags wFlags): m_x(5), m_y(1) { - qsrand((uint) QTime::currentTime().msec()); - QObject::connect(&m_timer, &QTimer::timeout, this, &Chart::handleTimeout); m_timer.setInterval(1000); @@ -73,7 +71,7 @@ void Chart::handleTimeout() qreal x = plotArea().width() / m_axis->tickCount(); qreal y = (m_axis->max() - m_axis->min()) / m_axis->tickCount(); m_x += y; - m_y = qrand() % 5 - 2.5; + m_y = QRandomGenerator::bounded(5) - 2.5; m_series->append(m_x, m_y); scroll(x, 0); if (m_x == 100) |