signal callback delegate or function to connect
void callback(gtk.text_iter.TextIter iter, gdk.rectangle.Rectangle area, gdk.event.Event event, gtksource.gutter_renderer.GutterRenderer gutterRenderer)
iter a #GtkTextIter (optional)
area a #GdkRectangle (optional)
event the event that caused the activation (optional)
gutterRenderer the instance the signal is connected to (optional)
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to Activate signal.
The ::activate signal is emitted when the renderer is activated.