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;; Copyright (c) 2013-2022 by Greg Hendershott.
;; SPDX-License-Identifier: GPL-3.0-or-later
#lang racket/base
(require pict
pict/color
(only-in racket/draw make-color))
(define pipe-color "blue")
(define ssh-color "purple")
(define host-color (make-color 0 0 0 0.0))
(define front-end-color (make-color #xF0 #xF7 #xF0 1.0))
(define back-end-color (make-color #xF7 #xFF #xF7 1.0))
(define (background #:color color p)
(cc-superimpose (filled-rectangle #:color color
(pict-width p)
(pict-height p))
p))
;; Simplify usage of raw `frame` and `inset`. Nicer to supply as
;; keyword arg prefixes rather than suffixes. Also handle common case
;; of (inset (frame (inset __))). Also add background color.
(define (box #:inset [in #f]
#:outset [out #f]
#:color [color #f]
#:background [bg #f]
#:segment [segment #f]
#:width [width #f]
p)
(let* ([p (if in (inset p in) p)]
[p (if bg (background #:color bg p) p)]
[p (frame #:color color
#:segment segment
#:line-width width
p)]
[p (if out (inset p out) p)])
p))
(define (front-end)
(box
#:inset 5
#:outset 5
#:background front-end-color
(vl-append
(text "Emacs front end" '(bold))
(hc-append
(text "Command requests/responses and notifications via ")
(colorize (text "pipe" '(bold)) pipe-color)
(text " or ")
(colorize (text "ssh" '(bold)) ssh-color)
(text ".")))))
(define (backend path)
(define i/o-color (if (regexp-match? #rx"^/[^:]+:" path) ssh-color pipe-color))
(box
#:inset 5
#:color (light "black")
#:background back-end-color
(vc-append
5
(text "Racket back end process" '(bold))
(box #:color (light "black") #:background (light "black")
#:inset 2 #:outset 6
(colorize (text path '(bold . modern)) "white"))
(ht-append
10
(colorize
(box #:inset 5 (text "Commands"))
i/o-color)
(vl-append
4
(colorize (box #:inset 2 (text "REPL 1"))
i/o-color)
(colorize (box #:inset 2 (text "REPL 2"))
i/o-color)
(colorize (box #:inset 2
#:segment 2
(text "REPL n" '(italic)))
i/o-color))))))
(define (back-end-source-files)
(box
#:outset 2
#:inset 2
#:color (light "gray")
#:background (light "gray")
(text "/tmp/racket-mode-back-end/*.rkt" 'modern 10)))
(define (host name . paths)
(box
#:inset 5
#:color "gray"
#:width 2
#:background host-color
(vc-append
5
(box #:inset 2
#:background "black"
(colorize (text name '(bold . modern) 14) "white"))
(if (equal? name "localhost")
(front-end)
(back-end-source-files))
(inset (apply hc-append 10 (map backend paths))
5))))
;; (host "localhost" "/")
;; (host "localhost" "/" "/path/to/project")
(define (scenario local . remotes)
(inset
(ht-append
10
(apply host local)
(apply vl-append
10
(for/list ([remote remotes])
(apply host remote))))
10))
(define images
(list
(scenario '("localhost" "/"))
(scenario '("localhost" "/" "/path/to/project/"))
(scenario '("localhost" "/" "/path/to/project/")
'("remote" "/user@remote:/"))
(scenario '("localhost" "/" "/path/to/project/")
'("remote" "/user@remote:/" "/user@remote:/path/"))
(scenario '("localhost" "/" "/path/to/project/")
'("alpha" "/user@alpha:/" "/user@alpha:/path/")
'("bravo" "/user@bravo:/" "/user@bravo:/path/"))))
(module+ interactive
images)
(module+ main
(require file/convertible)
(for ([(image n) (in-indexed images)])
(with-output-to-file
(format "scenario-~a.svg" n)
#:exists 'replace
#:mode 'binary (λ () (display (convert image 'svg-bytes))))))
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