125 lines
3.6 KiB
Scheme
125 lines
3.6 KiB
Scheme
(module help mzscheme
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(require (lib "class.ss")
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(lib "mred.ss" "mred")
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(lib "cmdline.ss")
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"private/server.ss"
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"private/browser.ss"
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"private/start.ss"
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"private/plt-browser.ss")
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(define launch-browser? #t)
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(define external-connections? #f)
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(define iconize? #f)
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(define quiet? #f)
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(define port #f)
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(command-line
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"help-desk"
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(current-command-line-arguments)
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(once-each
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[("-n" "--no-browser") "Do not launch browser (ignored for PLT browser)"
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(set! launch-browser? #f)]
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[("-x" "--external-connections") "Allow external connections (ignored for PLT browser)"
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(set! external-connections? #t)]
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[("-i" "--iconize") "Iconize the control panel"
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(set! iconize? #t)]
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[("-q" "--quiet") "Don't show the control panel"
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(set! quiet? #t)]
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[("-p" "--port") number "Use given port number (ignored for PLT browser)"
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(with-handlers
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((void (lambda _
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(error "Help Desk: expected exact integer for port"))))
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(let ([port-val (string->number number)])
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(unless (and (integer? port-val) (exact? port-val))
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(raise 'not-exact-integer))
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(set! port port-val)))]))
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(define hd-cookie (start-help-server port external-connections?))
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(unless hd-cookie (exit))
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(define help-desk-port (hd-cookie->port hd-cookie))
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(if (use-plt-browser?)
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(set! launch-browser? #t) ; always launch
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; allow server startup time
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(wait-for-connection help-desk-port))
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(when launch-browser?
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(help-desk-browser hd-cookie))
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(cond
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[(use-plt-browser?) (void)]
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[quiet? (semaphore-wait (make-semaphore 0))]
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[else
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(let* ([hd-frame%
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(class frame%
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(inherit show)
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(field
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[panel #f]
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[main-sd-button #f]
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[shutdown-dialog
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(lambda ()
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(let* ([cb-frame (instantiate frame% ()
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(label "Confirm"))]
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[vpanel (instantiate vertical-panel% ()
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(parent cb-frame))]
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[msg (instantiate message% ()
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(label "Really shutdown Help Desk server?")
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(parent vpanel))]
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[hpanel (instantiate horizontal-panel% ()
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(parent vpanel)
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(alignment '(center center)))]
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[sd-button (instantiate button% ()
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(label "Shutdown")
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(parent hpanel)
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(callback
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(lambda (b ev)
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(send cb-frame show #f)
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(send this show #f))))]
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[no-sd-button (instantiate button% ()
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(label "Cancel")
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(parent hpanel)
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(callback
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(lambda (b ev)
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(send main-sd-button
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enable #t)
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(send cb-frame show #f))))])
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(send main-sd-button enable #f)
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(send cb-frame center)
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(send cb-frame show #t)
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(send sd-button focus)))])
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(define/override can-close?
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(lambda () (shutdown-dialog) #f))
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(super-instantiate ())
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(set! panel
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(instantiate vertical-panel% ()
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(parent this)))
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(instantiate message% ()
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(label (format "Help Desk server running on port ~a"
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(hd-cookie->port hd-cookie)))
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(parent panel))
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(instantiate button% ()
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(label "Help Desk Home")
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(parent panel)
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(min-width 100)
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(callback
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(lambda (b ev)
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(help-desk-browser hd-cookie))))
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(set! main-sd-button
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(instantiate button% ()
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(label "Shutdown Server")
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(parent panel)
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(min-width 100)
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(callback (lambda (b ev)
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(shutdown-dialog))))))]
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[frame
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(instantiate hd-frame% ()
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(label "PLT Help Desk")
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(min-width 175)
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(stretchable-width #f)
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(stretchable-height #f))])
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(send frame center)
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(send frame show #t)
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(when iconize?
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(send frame iconize #t)))]))
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