2006-07-18  Kristian Rietveld  <kris@imendio.com>

	Another fix for #164884.

	* gtk/gtktreeprivate.h: add in_grab field.

	* gtk/gtktreeview.c (gtk_tree_view_button_press): only save press
	to possibly begin a drag when there's no grab pending,
	(gtk_tree_view_grab_notify): toggle in_grab field.