def search_list_store(list_store, value):
	"""
	Search a GTK ListStore for a value.

	:param list_store: The list store to search.
	:type list_store: :py:class:`Gtk.ListStore`
	:param value: The value to search for.
	:return: The row on which the value was found.
	:rtype: :py:class:`Gtk.TreeIter`
	"""
	for row in list_store:
		if row[0] == value:
			return row.iter
	return None