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-rw-r--r--examples/widgets/graphicsview/elasticnodes/graphwidget.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp b/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
index 6b817b2a21..a067f82ad7 100644
--- a/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
+++ b/examples/widgets/graphicsview/elasticnodes/graphwidget.cpp
@@ -59,7 +59,7 @@
//! [0]
GraphWidget::GraphWidget(QWidget *parent)
- : QGraphicsView(parent), timerId(0)
+ : QGraphicsView(parent)
{
QGraphicsScene *scene = new QGraphicsScene(this);
scene->setItemIndexMethod(QGraphicsScene::NoIndex);
@@ -163,7 +163,7 @@ void GraphWidget::timerEvent(QTimerEvent *event)
{
Q_UNUSED(event);
- QList<Node *> nodes;
+ QVector<Node *> nodes;
const QList<QGraphicsItem *> items = scene()->items();
for (QGraphicsItem *item : items) {
if (Node *node = qgraphicsitem_cast<Node *>(item))
@@ -190,7 +190,7 @@ void GraphWidget::timerEvent(QTimerEvent *event)
//! [5]
void GraphWidget::wheelEvent(QWheelEvent *event)
{
- scaleView(pow((double)2, -event->delta() / 240.0));
+ scaleView(pow(2., -event->angleDelta().y() / 240.0));
}
//! [5]
#endif