racket/collects/drracket/private/drracket-normal.rkt
Robby Findler 571bb5fb1a adjust DrRacket to still start up if all of the splash-related images
are broken

I don't know if this really closes PR 13794 but DrRacket does now
pass the error given in that PR.
2013-06-02 21:46:21 -05:00

229 lines
7.8 KiB
Racket

#lang racket/base
(require racket/gui/base
racket/class
racket/cmdline
racket/list
framework/private/bday
framework/splash
racket/runtime-path
racket/file
(for-syntax racket/base)
"frame-icon.rkt"
"eb.rkt")
(define-runtime-path doc-icon.rkt "dock-icon.rkt")
(define files-to-open (command-line #:args filenames filenames))
(define startup-date
(seconds->date
(let ([ssec (getenv "PLTDREASTERSECONDS")])
(if ssec
(string->number ssec)
(current-seconds)))))
(define-syntax (def-imgs stx)
(syntax-case stx ()
[(_ img ...)
(with-syntax ([(str ...) (map (compose symbol->string syntax-e)
(syntax->list #'(img ...)))])
#'(begin (define img str) ...
(when (getenv "PLTDRBREAKIMAGES")
(set! img (string-append "PLTDRBREAKIMAGES-dne-" img)) ...)))]))
(def-imgs
plt-logo-red-shiny.png
plt-logo-red-diffuse.png
heart.png
texas-plt-bw.gif
PLT-pumpkin.png
PLT-206-larval.png
PLT-206-mars.jpg)
;; updates the command-line-arguments with only the files
;; to open. See also main.rkt.
(current-command-line-arguments (apply vector files-to-open))
(define (weekend-date? date)
(define dow (date-week-day date))
(or (= dow 6) (= dow 0)))
(define (valentines-date? date)
(and (= 2 (date-month date))
(= 14 (date-day date))))
(define (icon-state date)
(cond
[(valentines-date? date) 'valentines]
[(weekend-date? date) 'weekend]
[else 'normal]))
(define-values (texas-independence-day? prince-kuhio-day? kamehameha-day? halloween?)
(let* ([month (date-month startup-date)]
[day (date-day startup-date)]
[dow (date-week-day startup-date)])
(values (and (= 3 month) (= 2 day))
(and (= 3 month) (= 26 day))
(and (= 6 month) (= 11 day))
(and (= 10 month) (= 31 day)))))
(define special-state #f)
(define (icons-bitmap name)
(make-object bitmap% (collection-file-path name "icons")))
(define-struct magic-image (chars filename [bitmap #:mutable]))
(define (magic-img str img)
(make-magic-image (reverse (string->list str)) img #f))
;; magic strings and their associated images. There should not be a string
;; in this list that is a prefix of another.
(define magic-images
(list #;(magic-img "larval" PLT-206-larval.png)
(magic-img "mars" PLT-206-mars.jpg)))
(define (load-magic-images)
(set! load-magic-images void) ; run only once
(for-each (λ (magic-image)
(unless (magic-image-bitmap magic-image)
(set-magic-image-bitmap!
magic-image
(icons-bitmap (magic-image-filename magic-image)))))
magic-images))
(define longest-magic-string
(apply max (map (λ (s) (length (magic-image-chars s))) magic-images)))
(define key-codes null)
(define (find-magic-image)
(define (prefix? l1 l2)
(or (null? l1)
(and (pair? l2)
(eq? (car l1) (car l2))
(prefix? (cdr l1) (cdr l2)))))
(ormap (λ (i) (and (prefix? (magic-image-chars i) key-codes) i))
magic-images))
(define (add-key-code new-code)
(set! key-codes (cons new-code key-codes))
(when ((length key-codes) . > . longest-magic-string)
(set! key-codes (take key-codes longest-magic-string))))
(define (drracket-splash-char-observer evt)
(let ([ch (send evt get-key-code)])
(when (and (eq? ch #\q)
(send evt get-control-down))
(exit))
(when (and the-splash-bitmap (char? ch))
;; as soon as something is typed, load the bitmaps
(load-magic-images)
(add-key-code ch)
(let ([match (find-magic-image)])
(when match
(set! key-codes null)
(set-splash-bitmap
(if (eq? special-state match)
(begin (set! special-state #f) the-splash-bitmap)
(begin (set! special-state match)
(magic-image-bitmap match))))
(refresh-splash))))))
(when (eb-bday?) (install-eb))
(define weekend-bitmap-spec (collection-file-path plt-logo-red-shiny.png "icons" #:fail (λ (x) plt-logo-red-shiny.png)))
(define normal-bitmap-spec (collection-file-path plt-logo-red-diffuse.png "icons" #:fail (λ (x) plt-logo-red-diffuse.png)))
(define valentines-days-spec (collection-file-path heart.png "icons" #:fail (λ (x) heart.png)))
(define the-bitmap-spec
(cond
[(valentines-date? startup-date)
valentines-days-spec]
[(or prince-kuhio-day? kamehameha-day?)
(set-splash-progress-bar?! #f)
(let ([size ((dynamic-require 'drracket/private/palaka 'palaka-pattern-size) 4)])
(vector (dynamic-require 'drracket/private/honu-logo 'draw-honu)
size
size))]
[texas-independence-day?
(collection-file-path texas-plt-bw.gif "icons")]
[halloween?
(collection-file-path PLT-pumpkin.png "icons")]
[(weekend-date? startup-date)
weekend-bitmap-spec]
[else normal-bitmap-spec]))
(define (read-bitmap/no-crash fn)
(with-handlers ((exn:fail? (λ (x) (make-object bitmap% "dne.png"))))
(read-bitmap fn)))
(define the-splash-bitmap (and (path? the-bitmap-spec)
(read-bitmap/no-crash the-bitmap-spec)))
(set-splash-char-observer drracket-splash-char-observer)
(when (eq? (system-type) 'macosx)
(define initial-state (icon-state startup-date))
(define weekend-bitmap (if (equal? the-bitmap-spec weekend-bitmap-spec)
the-splash-bitmap
#f))
(define weekday-bitmap (if (equal? the-bitmap-spec normal-bitmap-spec)
the-splash-bitmap
#f))
(define valentines-bitmap (if (equal? the-bitmap-spec valentines-days-spec)
the-splash-bitmap
#f))
(define set-doc-tile-bitmap (dynamic-require doc-icon.rkt 'set-dock-tile-bitmap))
(define (set-icon state)
(case state
[(valentines)
(unless valentines-bitmap (set! valentines-bitmap (read-bitmap/no-crash valentines-days-spec)))
(set-doc-tile-bitmap valentines-bitmap)]
[(weekend)
(unless weekend-bitmap (set! weekend-bitmap (read-bitmap/no-crash weekend-bitmap-spec)))
(set-doc-tile-bitmap weekend-bitmap)]
[(normal)
(unless weekday-bitmap (set! weekday-bitmap (read-bitmap/no-crash normal-bitmap-spec)))
(set-doc-tile-bitmap weekday-bitmap)]))
(set-icon initial-state)
(void
(thread
(λ ()
(let loop ([last-state initial-state])
(sleep 10)
(define next-state (icon-state (seconds->date (current-seconds))))
(unless (equal? last-state next-state)
(set-icon next-state))
(loop next-state))))))
(start-splash (or the-splash-bitmap
the-bitmap-spec)
(format "DrRacket ~a" (version))
700
#:allow-funny? #t
#:frame-icon todays-icon)
(when (getenv "PLTDRBREAK")
(printf "PLTDRBREAK: creating break frame\n") (flush-output)
(let ([to-break (eventspace-handler-thread (current-eventspace))])
(parameterize ([current-eventspace (make-eventspace)])
(let* ([f (new frame% (label "Break DrRacket"))]
[b (new button%
(label "Break Main Thread")
(callback
(λ (x y)
(break-thread to-break)))
(parent f))]
[b (new button%
(label "Break All Threads")
(callback
(λ (x y)
((dynamic-require 'drracket/private/key 'break-threads))))
(parent f))])
(send f show #t)))))
(dynamic-require 'drracket/tool-lib #f)
(shutdown-splash)
(close-splash)