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>

1 files changed, 3 insertions, 2 deletions

diff --git a/src/gui/kernel/qwindowsysteminterface_p.h b/src/gui/kernel/qwindowsysteminterface_p.h
index 57411d8101..782d3e9400 100644
--- a/src/gui/kernel/qwindowsysteminterface_p.h
+++ b/src/gui/kernel/qwindowsysteminterface_p.h
@@ -232,8 +232,8 @@ public:
     class WheelEvent : public InputEvent {
     public:
         WheelEvent(QWindow *w, ulong time, const QPointF & local, const QPointF & global, QPoint pixelD, QPoint angleD, int qt4D, Qt::Orientation qt4O,
-                   Qt::KeyboardModifiers mods, Qt::ScrollPhase phase = Qt::ScrollUpdate)
-            : InputEvent(w, time, Wheel, mods), pixelDelta(pixelD), angleDelta(angleD), qt4Delta(qt4D), qt4Orientation(qt4O), localPos(local), globalPos(global), phase(phase) { }
+                   Qt::KeyboardModifiers mods, Qt::ScrollPhase phase = Qt::ScrollUpdate, Qt::MouseEventSource src = Qt::MouseEventNotSynthesized)
+            : InputEvent(w, time, Wheel, mods), pixelDelta(pixelD), angleDelta(angleD), qt4Delta(qt4D), qt4Orientation(qt4O), localPos(local), globalPos(global), phase(phase), source(src) { }
         QPoint pixelDelta;
         QPoint angleDelta;
         int qt4Delta;
@@ -241,6 +241,7 @@ public:
         QPointF localPos;
         QPointF globalPos;
         Qt::ScrollPhase phase;
+        Qt::MouseEventSource source;
     };
 
     class KeyEvent : public InputEvent {