1 files changed, 15 insertions, 1 deletions
diff --git a/src/quicktemplates2/qquickdial.cpp b/src/quicktemplates2/qquickdial.cpp
index 79aff781..fbc73c2a 100644
--- a/src/quicktemplates2/qquickdial.cpp
+++ b/src/quicktemplates2/qquickdial.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2016 The Qt Company Ltd.
+** Copyright (C) 2017 The Qt Company Ltd.
 ** Contact: http://www.qt.io/licensing/
 **
 ** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit.
@@ -606,6 +606,20 @@ void QQuickDial::mouseUngrabEvent()
     setPressed(false);
 }
 
+void QQuickDial::wheelEvent(QWheelEvent *event)
+{
+    Q_D(QQuickDial);
+    QQuickControl::wheelEvent(event);
+    if (d->wheelEnabled) {
+        const qreal oldValue = d->value;
+        const QPointF angle = event->angleDelta();
+        const qreal delta = (qFuzzyIsNull(angle.y()) ? angle.x() : (event->inverted() ? -angle.y() : angle.y())) / QWheelEvent::DefaultDeltasPerStep;
+        const qreal step = qFuzzyIsNull(d->stepSize) ? 0.1 : d->stepSize;
+        setValue(oldValue + step * delta);
+        event->setAccepted(!qFuzzyCompare(d->value, oldValue));
+    }
+}
+
 void QQuickDial::mirrorChange()
 {
     QQuickControl::mirrorChange();