2001-11-20  Michael Natterer  <mitch@gimp.org>

	* app/tools/gimpdrawtool.[ch]
	* app/tools/gimppainttool.[ch]
	* app/tools/gimprectselecttool.[ch]
	* app/tools/gimptool.[ch]
	* app/tools/gimptransformtool.[ch]: use simple virtual functions
	instead of signals for all tools because they are much faster and
	don't need to be signals at all.