indexing description: "General primitive implementation"; status: "See notice at end of class"; date: "$Date$"; revision: "$Revision$" deferred class PRIMITIVE_I inherit WIDGET_I; STACKABLE_I; feature -- Access foreground_color: COLOR is -- Foreground color of primitive widget deferred ensure valid_result: Result /= Void end; feature -- Status setting update_foreground_color is deferred end; feature -- Element change set_foreground_color (new_color: COLOR) is -- Set foreground color to `new_color'. require valid_color: new_color /= Void deferred ensure foreground_set: foreground_color = new_color end; end -- class PRIMITIVE_I --|---------------------------------------------------------------- --| EiffelVision: library of reusable components for ISE Eiffel. --| Copyright (C) 1985-2004 Eiffel Software. All rights reserved. --| Duplication and distribution prohibited. May be used only with --| ISE Eiffel, under terms of user license. --| Contact Eiffel Software for any other use. --| --| Interactive Software Engineering Inc. --| dba Eiffel Software --| 356 Storke Road, Goleta, CA 93117 USA --| Telephone 805-685-1006, Fax 805-685-6869 --| Contact us at: http://www.eiffel.com/general/email.html --| Customer support: http://support.eiffel.com --| For latest info on our award winning products, visit: --| http://www.eiffel.com --|----------------------------------------------------------------