GtkListBoxFilterFunc

gboolean
(* GtkListBoxFilterFunc) (
  GtkListBoxRow* row,
  gpointer user_data
)

Will be called whenever the row changes or is added and lets you control if the row should be visible or not.

`row`	`GtkListBoxRow`
	The row that may be filtered.
	The data is owned by the caller of the function.
`user_data`	`gpointer`
	User data.
	The argument can be `NULL`.
	The data is owned by the caller of the function.

Returns:	`gboolean`
	`TRUE` if the row should be visible, `FALSE` otherwise.