note

	description: "Widget which can change its font"
	legal: "See notice at end of class.";
	status: "See notice at end of class.";
	date: "$Date$";
	revision: "$Revision$"

deferred class

	FONTABLE 

feature -- Access

	font: FONT
			-- Font name of label
		require
			exists: not destroyed
		do
			Result := implementation.font
		end;

feature -- Status report

	destroyed: BOOLEAN
			-- Is current object destroyed
		deferred
		end;

feature -- Element change

	set_font (a_font: FONT)
			-- Set font label to `font_name'.
		require
			exists: not destroyed;
			a_font_exists: a_font /= Void
			a_font_specified: a_font.is_specified
		do
			implementation.set_font (a_font)
		end;

	set_font_name (a_font_name: STRING)
			-- Set font label to `a_font_name'.
		require
			exists: not destroyed;
			a_font_name_exists: a_font_name /= Void
		local
			a_font: FONT;
		do
			create a_font.make;
			a_font.set_name (a_font_name);
			set_font (a_font);
		end;

feature {G_ANY, WIDGET_I, TOOLKIT} -- Implementation

	implementation: FONTABLE_I;
			-- Implementation of widget

feature {G_ANY, WIDGET_I, TOOLKIT} -- Implementation

	set_font_imp (an_implementation: FONTABLE_I)
			-- Set `implementation' to `an_implementation'.
		require
			an_implementation_exists: an_implementation /= Void
		do
			implementation := an_implementation
		end

note
	copyright:	"Copyright (c) 1984-2006, Eiffel Software and others"
	license:	"Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
	source: "[
			 Eiffel Software
			 356 Storke Road, Goleta, CA 93117 USA
			 Telephone 805-685-1006, Fax 805-685-6869
			 Website http://www.eiffel.com
			 Customer support http://support.eiffel.com
		]"




end -- class FONTABLE