Keep a source of propagated mouse events

Synthesized mouse events should not cause mouse events which
look like they were obtained from the system.
So set the source of generated events from the original event.

Change-Id: I862829446ac6ef664e1b8e4a5b54ed11926a1d4b
Reviewed-by: Laszlo Agocs <laszlo.agocs@digia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index 70b48ad9ee..6f688c09aa 100644
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -1712,7 +1712,8 @@ void QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::Mo
         // with the current event, we fake a move-only event that we recurse and process first. This
         // will update the global mouse position and cause the second event to be a button only event.
         QWindowSystemInterfacePrivate::MouseEvent moveEvent(e->window.data(),
-                e->timestamp, e->type, e->localPos, e->globalPos, buttons, e->modifiers);
+                e->timestamp, e->type, e->localPos, e->globalPos, buttons, e->modifiers, e->source);
+        moveEvent.synthetic = e->synthetic;
         processMouseEvent(&moveEvent);
         Q_ASSERT(e->globalPos == QGuiApplicationPrivate::lastCursorPosition);
         // continue with processing mouse button change event