def get_gutter_renderer(self):
if self._gutter_renderer == None:
renderer = GtkSource.GutterRendererPixbuf()
renderer.set_size(16)
renderer.connect("query-data",
self._on_breakpoint_gutter_query_data)
renderer.connect("query_activatable",
self._on_breakpoint_gutter_query_activatable)
self._gutter_renderer = renderer
return self._gutter_renderer
