Add QWheelEvent::source

This is analogous to 0a92295ca829a62125c9f122fd3daec991993855
which added QMouseEvent::source.

For now, we say that a wheel event is synthetic when it comes from
a trackpad or other device that provides scrolling by some means
other than an actual wheel.

Change-Id: I0452ca2080b551b18b9c2f6e42db925d14ae339e
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>

2 files changed, 2 insertions, 2 deletions

diff --git a/src/widgets/kernel/qapplication.cpp b/src/widgets/kernel/qapplication.cpp
index 943abd1f1a..bf05b2029b 100644
--- a/src/widgets/kernel/qapplication.cpp
+++ b/src/widgets/kernel/qapplication.cpp
@@ -3317,7 +3317,7 @@ bool QApplication::notify(QObject *receiver, QEvent *e)
 
             while (w) {
                 QWheelEvent we(relpos, wheel->globalPos(), wheel->pixelDelta(), wheel->angleDelta(), wheel->delta(), wheel->orientation(), wheel->buttons(),
-                               wheel->modifiers(), wheel->phase());
+                               wheel->modifiers(), wheel->phase(), wheel->source());
                 we.spont = wheel->spontaneous();
                 res = d->notify_helper(w, w == receiver ? wheel : &we);
                 eventAccepted = ((w == receiver) ? wheel : &we)->isAccepted();
diff --git a/src/widgets/kernel/qwidgetwindow.cpp b/src/widgets/kernel/qwidgetwindow.cpp
index f543086969..ed5d56c689 100644
--- a/src/widgets/kernel/qwidgetwindow.cpp
+++ b/src/widgets/kernel/qwidgetwindow.cpp
@@ -712,7 +712,7 @@ void QWidgetWindow::handleWheelEvent(QWheelEvent *event)
 
     QPoint mapped = widget->mapFrom(m_widget, event->pos());
 
-    QWheelEvent translated(mapped, event->globalPos(), event->pixelDelta(), event->angleDelta(), event->delta(), event->orientation(), event->buttons(), event->modifiers(), event->phase());
+    QWheelEvent translated(mapped, event->globalPos(), event->pixelDelta(), event->angleDelta(), event->delta(), event->orientation(), event->buttons(), event->modifiers(), event->phase(), event->source());
     QGuiApplication::sendSpontaneousEvent(widget, &translated);
 }