192 lines
6.7 KiB
Plaintext
192 lines
6.7 KiB
Plaintext
;;;;
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;;;; T k - m e t a . s t k -- Metaclasses definitions
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;;;;
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;;;; Copyright © 1993-1998 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
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;;;;
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;;;; Permission to use, copy, and/or distribute this software and its
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;;;; documentation for any purpose and without fee is hereby granted, provided
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;;;; that both the above copyright notice and this permission notice appear in
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;;;; all copies and derived works. Fees for distribution or use of this
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;;;; software or derived works may only be charged with express written
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;;;; permission of the copyright holder.
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;;;; This software is provided ``as is'' without express or implied warranty.
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;;;;
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;;;; $Id: Tk-meta.stklos 1.9 Sat, 06 Jun 1998 12:19:03 +0000 eg $
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;;;;
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;;;; Author: Erick Gallesio [eg@unice.fr]
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;;;; Creation date: 24-Feb-1994 15:08
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;;;; Last file update: 1-Jun-1998 18:22
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;;;;
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;;;;
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;;;; Compatibility:
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;;;; - the :pseudo allocation is now replaced by :tk-virtual (Rob DeLine
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;;;; proposition). However both name are accepted. Avoid to use :pseudo
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;;;; since it will disappear in the future.
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;;;;
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;;;; - the :special allocation is now replaced by :propagated (Rob DeLine
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;;;; proposition). However both name are accepted. Avoid to use :special
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;;;; since it will disappear in the future.
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;;;;
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;;;; - the :propagate option for propagated slots is now replaced by
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;;;; :propagate-to. Avoid to use :propagate since it will disappear in
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;;;; the future.
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(require "stklos")
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;;;;
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;;;; Stuff for declaring the new module STklos+Tk and import it in STk
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;;;; Note that the module Tk, is also defined here. This is useless, except
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;;;; when making images (i.e. probably the -no-window option has been used,
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;;;; avoiding the Tk initialization, and hence the Tk module definition)
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(define-module Tk) ; See comment above
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(define-module STklos+Tk (import STklos Tk)) ; Define module STklos+Tk
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(with-module STk (import STklos+Tk)) ; Import STklos+Tk in STk
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(select-module STklos+Tk) ; Rest of this file belongs
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; to STklos+Tk module
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;;;;
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;;;; Exports
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;;;;
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(export
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;; Metaclases exported by this file
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<With-Tk-virtual-slots-metaclass> <Tk-metaclass> <Tk-item-metaclass>
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<Tk-tag-metaclass> <Tk-text-window-metaclass> <Tk-composite-metaclass>
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<Tk-composite-item-metaclass>
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;; generic functions exported by this file
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compute-tk-virtual-get-n-set)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;
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;;;; <With-Tk-virtual-slots-metaclass> class
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;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;; Define Tk slots getters and setters. In fact this metaclass permits
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;; a direct mapping of STklos slots to the Tk-library widget options.
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;; For instance, a <Label> has a slot called "text". Accessing this slot
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;; will call a Tk (C) library function
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;; (xxxx 'cget 'text) for reading
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;; or
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;; (xxxx 'configure 'text value) for writing
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;; where xxxx is an internal name generated during instance creation).
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;;
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;; Furthermore, Tk widgets define a lot of accessors and exporting
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;; them individually can be boring. Consequently, when such a class is
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;; initiaized, we export it and all its direct accessor methods
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(define-class <With-Tk-virtual-slots-metaclass> (<class>)
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())
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(define-method initialize ((class <With-Tk-virtual-slots-metaclass>) initargs)
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(next-method)
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(let ((module (%get-module (class-environment class))))
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;; export the class
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(export-symbol (class-name class) module)
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;; export its accessors
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(for-each (lambda (method)
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(if (is-a? method <accessor-method>)
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(export-symbol (generic-function-name
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(method-generic-function method))
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module)))
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(class-direct-methods class))))
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(define-method compute-get-n-set ((class <With-Tk-virtual-slots-metaclass>) slot)
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(if (memv (slot-definition-allocation slot) '(:tk-virtual :pseudo))
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[let ((tk-name (make-keyword (get-keyword :tk-name (cdr slot) (car slot)))))
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(compute-tk-virtual-get-n-set class tk-name)]
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[next-method]))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;
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;;;; <Tk-metaclass> metaclass
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;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-class <Tk-metaclass> (<With-Tk-virtual-slots-metaclass>)
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())
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(define-method compute-tk-virtual-get-n-set ((class <Tk-metaclass>) tk-name)
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(list
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(lambda (o) ((slot-ref o 'Id) 'cget tk-name))
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(lambda (o v) ([slot-ref o 'Id] 'configure tk-name v))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;
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;;;; <Tk-item-metaclass> metaclass
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;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-class <Tk-item-metaclass> (<With-Tk-virtual-slots-metaclass>)
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())
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(define-method compute-tk-virtual-get-n-set ((class <Tk-item-metaclass>) tk-name)
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(list
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(lambda (o)
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((slot-ref o 'Id) 'itemcget (slot-ref o 'Cid) tk-name))
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(lambda (o v)
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((slot-ref o 'Id) 'itemconf (slot-ref o 'Cid) tk-name v))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;
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;;;; <Tk-tag-metaclass> metaclass
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;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-class <Tk-tag-metaclass> (<With-Tk-virtual-slots-metaclass>)
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())
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(define-method compute-tk-virtual-get-n-set ((class <Tk-tag-metaclass>) tk-name)
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(list
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(lambda (o)
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((slot-ref o 'Id) 'tag 'cget (slot-ref o 'Tid) tk-name))
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(lambda (o v)
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((slot-ref o 'Id) 'tag 'configure (slot-ref o 'Tid) tk-name v))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;
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;;;; <Tk-text-inset-metaclass> metaclass
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;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-class <Tk-text-inset-metaclass> (<With-Tk-virtual-slots-metaclass>)
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())
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(define-method compute-tk-virtual-get-n-set ((class <Tk-text-inset-metaclass>)
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tk-name)
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(list
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(lambda (o)
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(if (slot-bound? o 'Iid)
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((slot-ref o 'Id) (slot-ref o 'kind) 'cget (slot-ref o 'Iid) tk-name)
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(make-unbound)))
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(lambda (o v)
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(if (slot-bound? o 'Iid)
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((slot-ref o 'Id) (slot-ref o 'kind) 'configure (slot-ref o 'Iid)
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tk-name v)))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;
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;;;; <Tk-composite-metaclass> metaclass
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;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-class <Tk-composite-metaclass> (<Tk-metaclass> <Composite-metaclass>)
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())
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;
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;;;; <Tk-composite-item-metaclass> metaclass
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;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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(define-class <Tk-composite-item-metaclass> (<Tk-item-metaclass>
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<Composite-metaclass>)
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())
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(provide "Tk-meta")
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