always resize the popup when it is visible, popdown when there are less

always resize the popup when it is visible, popdown when there are less

Wed Nov 19 22:15:01 2003  Kristian Rietveld  <kris@gtk.org>

	* gtk/gtkentry.c (gtk_entry_completion_timeout): always resize
	the popup when it is visible, popdown when there are less chars
	than the minimum key length in the entry,
	(gtk_entry_completion_changed): popdown when the entry is empty.

	* gtk/gtkentrycompletion.c (gtk_entry_completion_init): set the
	size request of the vscrollbar to (-1, 0), to get a nicely sized
	completion treeview (Fixes #126573, reported by Piers Cornwell),
	(_gtk_entry_completion_resize_popup): show/hide the action_view
	based on items.