treeview: set GDK_SMOOTH_SCROLL_MASK

This is so smooth scroll events are send/handled by the
parent GtkScrolledWindow if any.

diff --git a/gtk/gtktreeview.c b/gtk/gtktreeview.c
index d1a4bff0dc1d8334d808da210b8e9b8f6d7fff8d..0f47c07beee331357cf125e4c84e0edb2a460b49 100644 (file)
--- a/gtk/gtktreeview.c
+++ b/gtk/gtktreeview.c
@@ -2237,6 +2237,7 @@ gtk_tree_view_realize (GtkWidget *widget)
   attributes.height = allocation.height;
   attributes.event_mask = (GDK_EXPOSURE_MASK |
                            GDK_SCROLL_MASK |
+                           GDK_SMOOTH_SCROLL_MASK |
                            GDK_POINTER_MOTION_MASK |
                            GDK_ENTER_NOTIFY_MASK |
                            GDK_LEAVE_NOTIFY_MASK |