2003-11-01  Sven Neumann  <sven@gimp.org>

	* app/widgets/gimphistogramview.[ch]: removed width and height
	from the API. It can be set using gtk_widget_size_request(). Set a
	mimimum height of 80 pixels.

	* app/widgets/gimphistogrambox.c: changed accordinly. Reduced size
	of color gradient.

	* app/tools/gimpcurvestool.c: reduced gradient sizes.

	* app/tools/gimplevelstool.c: allow the histogram to expand
	vertically.