input: Pass axis events through pointer grab interfaces

Don't only send motions and buttons but also axis events through the
pointer grab interface.

Signed-off-by: Jonas Ådahl <jadahl@gmail.com>
Reviewed-By: Derek Foreman <derekf@osg.samsung.com>

ivi-shell/hmi-controller.c

@@ -1322,6 +1322,13 @@ pointer_noop_grab_focus(struct weston_pointer_grab *grab)
 {
 }
 
+static void
+pointer_default_grab_axis(struct weston_pointer_grab *grab,
+			  uint32_t time, uint32_t axis, wl_fixed_t value)
+{
+	weston_pointer_send_axis(grab->pointer, time, axis, value);
+}
+
 static void
 move_grab_update(struct move_grab *move, wl_fixed_t pointer[2])
 {
@@ -1466,6 +1473,7 @@ static const struct weston_pointer_grab_interface pointer_move_grab_workspace_in
 	pointer_noop_grab_focus,
 	pointer_move_grab_motion,
 	pointer_move_workspace_grab_button,
+	pointer_default_grab_axis,
 	pointer_move_workspace_grab_cancel
 };