signal callback delegate or function to connect
bool callback(gtk.text_iter.TextIter iter, gdk.rectangle.Rectangle area, gtksource.gutter_renderer.GutterRenderer gutterRenderer)
iter a #GtkTextIter (optional)
area a #GdkRectangle (optional)
gutterRenderer the instance the signal is connected to (optional)
Returns
Yes.After to execute callback after default handler, No.After to execute before (default)
Signal ID
Connect to QueryActivatable signal.
The signal is emitted when the renderer can possibly be activated.