2003-06-22  Jody Goldberg <jody@gnome.org>

	* graph/plugins/plot_pie/gog-pie.c (gog_pie_plot_set_property) : vary
	  style by element handled in plot now.
	(gog_pie_plot_get_property) : ditto.
	(gog_pie_plot_cardinality) : deleted.
	(gog_pie_plot_foreach_elem) : doh!  USe the label we just calculated.
	(gog_pie_view_render) : implement general extracted slices.

	* graph/gog-theme.c (gog_theme_get_name) : new util.

	* graph/gog-style.c : Implement the hooks for serialization but have
	  not actually written them yet.

	* graph/gog-series.c (gog_series_editor) : add a notebook wrapper to
	  allow changing style and data.
	(gog_series_init) : set GogObject::use_parent_as_proxy flag.
	(gog_series_dataset_dims) new.

	* graph/gog-plot.c (gog_plot_set_property) : handle the
	  'vary_style_by_element' at this level.
	(gog_plot_get_cardinality) : ditto.

	* graph/gog-object.c (gog_object_emit_changed) : Add
	  'use_parent_as_proxy' utili...