Emits the activate signal of the renderer. This is called from gsv.SourceGutter and should never have to be called manually.
a gtk.TextIter at the start of the line where the renderer is activated
a gdk.Rectangle of the cell area where the renderer is activated
the event that triggered the activation
Emits the activate signal of the renderer. This is called from gsv.SourceGutter and should never have to be called manually.