Gets a gtk.widget.Widget that has previously been set as gutter.
See gtk.text_view.TextView.setGutter.
win must be one of gtk.types.TextWindowType.Left, gtk.types.TextWindowType.Right, gtk.types.TextWindowType.Top, or gtk.types.TextWindowType.Bottom.
a gtk.types.TextWindowType
a gtk.widget.Widget
Gets a gtk.widget.Widget that has previously been set as gutter.
See gtk.text_view.TextView.setGutter.
win must be one of gtk.types.TextWindowType.Left, gtk.types.TextWindowType.Right, gtk.types.TextWindowType.Top, or gtk.types.TextWindowType.Bottom.