disable Midi Audition Synth if it cannot be found

[ardour.git] / libs / gtkmm2ext / dndtreeview.cc

diff --git a/libs/gtkmm2ext/dndtreeview.cc b/libs/gtkmm2ext/dndtreeview.cc
index 0695dd32814b03f64e4b0d8030d7786d1b8e98b6..179423f2033082e61d2af15fc9ea90dddab24592 100644 (file)
--- a/libs/gtkmm2ext/dndtreeview.cc
+++ b/libs/gtkmm2ext/dndtreeview.cc
@@ -69,6 +69,7 @@ bool
 DnDTreeViewBase::on_drag_drop(const Glib::RefPtr<Gdk::DragContext>& context, int x, int y, guint time)
 {
        suggested_action = Gdk::DragAction (0);
+       drag_data.source = 0;
        return TreeView::on_drag_drop (context, x, y, time);
 }