2005-07-30  Sven Neumann  <sven@gimp.org>

	* app/tools/gimptoolcontrol.[ch]: transparently handle cursor
	vs. toggle cursor in the cursor accessor functions.

	* app/tools/gimpconvolvetool.c
	* app/tools/gimperasertool.c
	* app/tools/gimpmagnifytool.c
	* app/tools/gimptool.c: simplifies things here.

	* app/tools/gimpforegroundselecttool.c: set a toggle cursor and
	toggle the tool if a mask is set.