144 lines
4.8 KiB
Racket
144 lines
4.8 KiB
Racket
#lang racket/base
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(require mred
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racket/class
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racket/cmdline
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racket/list
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framework/private/bday
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framework/splash
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racket/file
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"eb.rkt")
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(define files-to-open (command-line #:args filenames filenames))
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;; updates the command-line-arguments with only the files
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;; to open. See also main.rkt.
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(current-command-line-arguments (apply vector files-to-open))
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(define-values (texas-independence-day? prince-kuhio-day? kamehameha-day? halloween? weekend?)
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(let* ([date (seconds->date (current-seconds))]
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[month (date-month date)]
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[day (date-day date)]
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[dow (date-week-day date)])
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(values (and (= 3 month) (= 2 day))
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(and (= 3 month) (= 26 day))
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(and (= 6 month) (= 11 day))
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(and (= 10 month) (= 31 day))
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(or (= dow 6) (= dow 0)))))
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(define high-color? ((get-display-depth) . > . 8))
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(define special-state #f)
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(define normal-bitmap #f) ; set by load-magic-images
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(define icons-bitmap
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(let ([icons (collection-path "icons")])
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(lambda (name)
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(make-object bitmap% (build-path icons name)))))
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(define-struct magic-image (chars filename [bitmap #:mutable]))
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(define (magic-img str img)
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(make-magic-image (reverse (string->list str)) img #f))
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;; magic strings and their associated images. There should not be a string
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;; in this list that is a prefix of another.
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(define magic-images
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(list #;(magic-img "larval" "PLT-206-larval.png")
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(magic-img "mars" "PLT-206-mars.jpg")))
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(define (load-magic-images)
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(set! load-magic-images void) ; run only once
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(unless normal-bitmap (set! normal-bitmap (icons-bitmap "PLT-206.png")))
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(for-each (λ (magic-image)
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(unless (magic-image-bitmap magic-image)
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(set-magic-image-bitmap!
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magic-image
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(icons-bitmap (magic-image-filename magic-image)))))
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magic-images))
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(define longest-magic-string
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(apply max (map (λ (s) (length (magic-image-chars s))) magic-images)))
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(define key-codes null)
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(define (find-magic-image)
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(define (prefix? l1 l2)
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(or (null? l1)
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(and (pair? l2)
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(eq? (car l1) (car l2))
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(prefix? (cdr l1) (cdr l2)))))
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(ormap (λ (i) (and (prefix? (magic-image-chars i) key-codes) i))
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magic-images))
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(define (add-key-code new-code)
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(set! key-codes (cons new-code key-codes))
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(when ((length key-codes) . > . longest-magic-string)
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(set! key-codes (take key-codes longest-magic-string))))
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(set-splash-char-observer
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(λ (evt)
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(let ([ch (send evt get-key-code)])
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(when (and (eq? ch #\q)
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(send evt get-control-down))
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(exit))
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(when (char? ch)
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;; as soon as something is typed, load the bitmaps
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(load-magic-images)
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(add-key-code ch)
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(let ([match (find-magic-image)])
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(when match
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(set! key-codes null)
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(set-splash-bitmap
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(if (eq? special-state match)
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(begin (set! special-state #f) normal-bitmap)
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(begin (set! special-state match)
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(magic-image-bitmap match))))))))))
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(when (eb-bday?) (install-eb))
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(start-splash
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(cond
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[(or prince-kuhio-day? kamehameha-day?)
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(set-splash-progress-bar? #f)
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(let ([size ((dynamic-require 'drracket/private/palaka 'palaka-pattern-size) 4)])
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(vector (dynamic-require 'drracket/private/honu-logo 'draw-honu)
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size
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size))]
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[texas-independence-day?
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(build-path (collection-path "icons") "texas-plt-bw.gif")]
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[(and halloween? high-color?)
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(build-path (collection-path "icons") "PLT-pumpkin.png")]
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[(and high-color? weekend?)
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(build-path (collection-path "icons") "plt-logo-red-shiny.png")]
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[high-color?
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(build-path (collection-path "icons") "plt-logo-red-diffuse.png")]
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[(= (get-display-depth) 1)
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(build-path (collection-path "icons") "pltbw.gif")]
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[else
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(build-path (collection-path "icons") "plt-flat.gif")])
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"DrRacket"
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99)
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(when (getenv "PLTDRBREAK")
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(printf "PLTDRBREAK: creating break frame\n") (flush-output)
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(let ([to-break (eventspace-handler-thread (current-eventspace))])
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(parameterize ([current-eventspace (make-eventspace)])
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(let* ([f (new frame% (label "Break DrRacket"))]
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[b (new button%
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(label "Break Main Thread")
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(callback
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(λ (x y)
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(break-thread to-break)))
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(parent f))]
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[b (new button%
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(label "Break All Threads")
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(callback
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(λ (x y)
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((dynamic-require 'drracket/private/key 'break-threads))))
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(parent f))])
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(send f show #t)))))
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(dynamic-require 'drracket/tool-lib #f)
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(shutdown-splash)
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(close-splash)
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