Returns the gsv.SourceGutter object associated with window_type for view.
Only GTK_TEXT_WINDOW_LEFT and GTK_TEXT_WINDOW_RIGHT are supported,
respectively corresponding to the left and right gutter. The line numbers
and mark category icons are rendered in the left gutter.
Returns the gsv.SourceGutter object associated with window_type for view. Only GTK_TEXT_WINDOW_LEFT and GTK_TEXT_WINDOW_RIGHT are supported, respectively corresponding to the left and right gutter. The line numbers and mark category icons are rendered in the left gutter.