note description: "Scrollable window" legal: "See notice at end of class."; status: "See notice at end of class."; date: "$Date$"; revision: "$Revision$" class SCROLLED_W inherit MANAGER redefine implementation end create make, make_unmanaged feature {NONE} -- Initialization make (a_name: STRING; a_parent: COMPOSITE) -- Create a scrolled window with `a_name' as identifier -- `a_parent' as parent. require valid_name: a_name /= Void; valid_parent: a_parent /= Void do create_ev_widget (a_name, a_parent, True) ensure parent_set: parent = a_parent; identifier_set: identifier.is_equal (a_name); managed: managed end; make_unmanaged (a_name: STRING; a_parent: COMPOSITE) -- Create an unmanaged scrolled window with `a_name' as identifier -- `a_parent' as parent. require valid_name: a_name /= Void; valid_parent: a_parent /= Void do create_ev_widget (a_name, a_parent, False) ensure parent_set: parent = a_parent; identifier_set: identifier.is_equal (a_name); not_managed: not managed end; create_ev_widget (a_name: STRING; a_parent: COMPOSITE; man: BOOLEAN) -- Create a scrolled window with `a_name' as identifier -- `a_parent' as parent. do depth := a_parent.depth+1; widget_manager.new (Current, a_parent); if a_name /= Void then identifier := a_name.twin else identifier := Void end create {SCROLLED_W_IMP} implementation.make (Current, man, a_parent); implementation.set_widget_default; set_default end; feature -- Access working_area: WIDGET -- Working area of window which will -- be moved using scrollbars require exists: not destroyed do Result := implementation.working_area end; feature -- Element change set_working_area (a_widget: WIDGET) -- Set work area of windon to `a_widget'. require exists: not destroyed; not_a_widget_void: a_widget /= Void do implementation.set_working_area (a_widget) ensure working_area = a_widget end feature {G_ANY, G_ANY_I, WIDGET_I, TOOLKIT} -- Implementation implementation: SCROLLED_W_I; -- Implementation of scrolled window feature {NONE} -- Implementation set_default -- Set default values to current scrolled window. do 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 SCROLLED_W