note description: "Objects that allow access to the OS clipboard." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date$" revision: "$Revision$" class EV_CLIPBOARD inherit EV_ANY redefine implementation end create {EV_APPLICATION_I} default_create feature -- Access has_text: BOOLEAN -- Does the clipboard currently contain text? require not_destroyed: not is_destroyed do Result := implementation.has_text end text: STRING_32 -- `Result' is text of clipboard. require not_destroyed: not is_destroyed do Result := implementation.text ensure Result_not_void: Result /= Void cloned: Result /= implementation.text end feature -- Status setting set_text (a_text: READABLE_STRING_GENERAL) -- Assign `a_text' to clipboard. require not_destroyed: not is_destroyed a_text_not_void: a_text /= Void do implementation.set_text (a_text) ensure text_cloned: text.same_string_general (a_text) and then text /= a_text end remove_text -- Make `text' empty. require not_destroyed: not is_destroyed do set_text ("") ensure text_removed: text.is_empty end feature {EV_ANY, EV_ANY_I} -- Implementation implementation: EV_CLIPBOARD_I -- Responsible for interaction with native graphics toolkit. feature {NONE} -- Implementation create_interface_objects -- do end create_implementation -- See `{EV_ANY}.create_implementation'. do create {EV_CLIPBOARD_IMP} implementation.make end invariant not_has_text_implies_text_empty: not has_text implies text.is_empty 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_CLIPBOARD