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1.3 KiB

;;;; Help management
;;;; Copyright © 1993-1999 Erick Gallesio - I3S-CNRS/ESSI <>
;;;; Permission to use, copy, modify, distribute,and license this
;;;; software and its documentation for any purpose is hereby granted,
;;;; provided that existing copyright notices are retained in all
;;;; copies and that this notice is included verbatim in any
;;;; distributions. No written agreement, license, or royalty fee is
;;;; required for any of the authorized uses.
;;;; This software is provided ``AS IS'' without express or implied
;;;; warranty.
;;;; Author: Erick Gallesio []
;;;; Creation date: 14-Sep-1993 13:30
;;;; Last file update: 3-Sep-1999 19:52 (eg)
(require "www-browser")
(select-module STk)
(define (STk:show-help-file name)
;; Show the file (after having found the Help directory)
(let loop ((l *help-path*))
(if (null? l)
(error "Cannot find help file ~S" name)
(let* ((f (string-append (car l) "/" name))
(fd (open-file f "r")))
(catch (close-port fd))
(if fd
(www:browser :url f)
(loop (cdr l)))))))
(define (help . arg)
(let ((browser (if (null? arg)
(STk:show-help-file "STk-hlp.html")
(STk:show-help-file (format #f "~A.n.html" (car arg))))))
(wm 'deiconify (slot-ref browser 'parent))
(provide "help")