note description: "Eiffel Vision selectable. Implementation interface." legal: "See notice at end of class." status: "See notice at end of class." keywords: "select, selectable" date: "$Date$" revision: "$Revision$" deferred class EV_SELECTABLE_I inherit EV_ANY_I redefine interface end feature -- Status report is_selectable: BOOLEAN -- May the object be selected? do Result := True end is_selected: BOOLEAN -- Is objects state set to selected? deferred end feature -- Status setting enable_select -- Select the object. require is_selectable: is_selectable deferred ensure selected: is_selected end feature {EV_ANY, EV_ANY_I} -- Implementation interface: detachable EV_SELECTABLE note option: stable attribute end; -- Provides a common user interface to platform dependent -- functionality implemented by `Current'. 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 EV_SELECTABLE_I