Get whether the renderer is activatable at the location in event. This is called from gsv.SourceGutter to determine whether a renderer is activatable using the mouse pointer.
a gtk.TextIter at the start of the line to be activated
a gdk.Rectangle of the cell area to be activated
the event that triggered the query
TRUE if the renderer can be activated, FALSE otherwise
Get whether the renderer is activatable at the location in event. This is called from gsv.SourceGutter to determine whether a renderer is activatable using the mouse pointer.