Thu Dec 18 19:13:12 2003  Kristian Rietveld  <kris@gtk.org>

	Fixes #110249, reworked patch from Joshua N Pritikin.

	* gtk/gtktreemodelsort.c (gtk_tree_model_sort_get_type),
	(gtk_tree_model_sort_tree_drag_source_init),
	(gtk_tree_model_sort_row_draggable),
	(gtk_tree_model_sort_drag_data_get),
	(gtk_tree_model_sort_drag_data_delete): implement GtkTreeDragSource.

	* gtk/gtktreemodelfilter.c (gtk_tree_model_filter_get_type),
	(gtk_tree_model_filter_tree_drag_source_init),
	(gtk_tree_model_filter_row_draggable),
	(gtk_tree_model_filter_drag_data_get),
	(gtk_tree_model_filter_drag_data_delete): ditto.