2006-01-25  Sven Neumann  <sven@gimp.org>

	* libgimpwidgets/gimpintcombobox.[ch]
	* libgimpwidgets/gimppageselector.[ch]
	* libgimpwidgets/gimpzoommodel.[ch]: added a priv pointer to the
	instance struct and changed the GET_PRIVATE() macro to access the
	private data via that pointer.

	* libgimpwidgets/gimpscrolledpreview.[ch]
	* libgimpwidgets/gimpwidgets.def: added a priv pointer to the
	instance struct and moved all private data to the
	GimpScrolledPreviewPrivate struct. Added freeze/thaw methods so
	that derived widgets can be implemented without accessing private
	data.

	* libgimp/gimpzoompreview.c: changed accordingly.

	* libgimp/gimpfontselectbutton.[ch]: let the priv pointer be an
	anonymous void pointer.