57 lines
2.0 KiB
Plaintext
57 lines
2.0 KiB
Plaintext
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;;;;
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;;;; Help management
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;;;;
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;;;; Copyright <20> 1993-1996 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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;;;; Author: Erick Gallesio [eg@unice.fr]
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;;;; Creation date: 14-Sep-1993 13:30
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;;;; Last file update: 23-Jul-1996 17:14
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;;;;
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(require "html")
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(define (STk:show-help-file name)
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(catch (destroy '.stk-help))
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(toplevel '.stk-help)
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(wm 'title .stk-help "STk help")
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;; Scroll text widget
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(pack (frame '.stk-help.f)
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:expand #t :fill "both" :side "top")
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(pack (text '.stk-help.f.t :font "fixed" :width 90 :height 25
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:yscroll (lambda args (apply .stk-help.f.s 'set args)))
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:expand #t :fill "both" :side "left")
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(pack (scrollbar '.stk-help.f.s :orient "vertical"
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:command (lambda args (apply .stk-help.f.t 'yview args)))
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:expand #f :fill "y" :side "left")
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;; Quit button
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(pack (button '.stk-help.b :text "Quit" :command (lambda () (destroy .stk-help)))
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:expand #f :fill "x" :side "bottom")
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;; Show the file (after having found the Help directory)
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(let loop ((l *help-path*))
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(if (null? l)
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(error "Cannot find help file ~S" name)
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(let* ((f (string-append (car l) "/../Help/" name))
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(fd (open-file f "r")))
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(if fd
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(begin
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(html:set-base-directory! (string-append (car l) "/../Help"))
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(html:view .stk-help.f.t fd)
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(close-port fd))
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(loop (cdr l)))))))
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(define (help . arg)
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(if (null? arg)
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(STk:show-help-file "STk-hlp.html")
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(STk:show-help-file (format #f "~A.n.html" (car arg)))))
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(provide "help")
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