2005-11-22  Sven Neumann  <sven@gimp.org>

	* libgimp/gimpzoompreview.c: zoom on Ctrl-Scroll events.

	* libgimpwidgets/gimpscrolledpreview.c
	(gimp_scrolled_preview_area_event): correctly clamp adjustment
	value on scroll events. Ignore scroll events when Ctrl is pressed.