change a few cell styles of inserted row (change_style): change style of

change a few cell styles of inserted row (change_style): change style of

Fri Oct 16 15:59:02 1998  Lars Hamann  <lars@gtk.org>

	* gtk/testgtk.c (insert_row_clist) (create_clist): change a few cell
	styles of inserted row
	(change_style): change style of focus_row

	* gtk/gtkclist.c (gtk_clist_get_row_style) (gtk_clist_set_row_style)
	(gtk_clist_get_cell_style) (gtk_clist_set_cell_style): new functions
	to set/get row/cell styles.
	(gtk_clist_realize): attach row and cell style, allocate row colors.
	(gtk_clist_unrealize): detach row and cell styles.
	(get_cell_style): new function. get correct cell style.
	(draw_cell_pixmap): new function.
	(draw_row): draw cells with row or cell styles.
	(row_new): set cell and row styles to NULL.
	(row_delete): detach & unref cell and row styles.

	* gtk/gtkctree.c (ctree_detach_styles) (ctree_attach_styles):
	new functions to attach/detach styles and allocate colors.
	(gtk_ctree_realize) (gtk_ctree_unrealize): attach/detach cell and row
	styles of invisible nodes.
	(draw_cell_pixmap): new function.
	(get_cell_style):  new function. get correct cell style.
	(gtk_ctree_draw_expander): new function. draw tree expander.
	(gtk_ctree_draw_lines): new function.draw tree lines.
	(draw_row): draw cells with row or cell styles.
	(row_new): set cell and row styles to NULL.
	(row_delete): detach & unref cell and row styles.
	(gtk_ctree_node_get_row_style) (gtk_ctree_node_set_row_style)
	(gtk_ctree_node_get_cell_style) (gtk_ctree_node_set_cell_style):
	Analogons of GtkCList functions
	(gtk_ctree_set_spacing): new function. set spacing between
	tree expander and cell contents
	(gtk_ctree_set_expander_style): new function. set expander style
	of ctree.
	(ctree_is_hot_spot): few changes due to draw_row modifications.