indexing

	description:
		"Abstract notion of the ability for widget to show the explanation%
		%Your widget class should inherit from this class and redefine%
		%focus_label to return FOCUS_LABEL_I to be used with this widget."
	status: "See notice at end of class";
	date: "$Date$";
	revision: "$Revision$"

deferred class FOCUSABLE  

feature -- Initialization

	initialize_focus is
			-- Add the focusable behavior to Current.
		require
			valid_focus_string: valid_focus_string
		do
			focus_label.initialize_widget (Current);
		end;

feature -- Properties

	focus_string: STRING

	focus_label: FOCUS_LABEL_I is
		deferred
		end

feature -- Access

	valid_focus_string: BOOLEAN is
		do
			Result := focus_string /= Void	
		end;

	destroyed: BOOLEAN is
		deferred
		end

feature -- Setting

	set_focus_string (s: STRING) is
			--set explanation text for current widget
		do
			focus_string := s
		end;

feature {FOCUS_LABEL} -- Implementation

	set_tool_info (a_tool_info: ANY) is
			-- Set `tool_info'.
		do
			tool_info := a_tool_info
		end

	tool_info: ANY
			-- Tool info for Current
			-- Used only in Windows implementation of FOCUS_LABEL

end -- class FOCUSABLE

--|----------------------------------------------------------------
--| 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
--|----------------------------------------------------------------