racket/collects/drracket/private/main.rkt
Robby Findler c359e371bf add a toolbar option for being on the top,
but with the small size buttons

closes PR 13281
2012-11-21 21:43:44 -06:00

784 lines
33 KiB
Racket

#lang racket/unit
(require string-constants
mzlib/contract
"drsig.rkt"
"frame-icon.rkt"
mred
framework
mzlib/class
racket/list
racket/path
racket/file
racket/dict
racket/set
browser/external
setup/plt-installer)
(import [prefix drracket:app: drracket:app^]
[prefix drracket:unit: drracket:unit^]
[prefix drracket:get/extend: drracket:get/extend^]
[prefix drracket:language-configuration: drracket:language-configuration/internal^]
[prefix drracket:language: drracket:language^]
[prefix drracket:module-language: drracket:module-language/int^]
[prefix drracket:tools: drracket:tools^]
[prefix drracket:debug: drracket:debug^]
[prefix drracket:frame: drracket:frame^]
[prefix drracket:font: drracket:font^]
[prefix drracket:modes: drracket:modes^]
[prefix drracket:help-desk: drracket:help-desk^]
[prefix drracket:multi-file-search: drracket:multi-file-search^])
(export)
(define (drr:set-default name val predicate)
(preferences:set-default
name val predicate
#:aliases (list (string->symbol (regexp-replace #rx"^drracket:" (symbol->string name) "drscheme:")))))
(frame:current-icon todays-icon)
(application-file-handler
(let ([default (application-file-handler)])
(λ (name)
(if (null? (get-top-level-windows))
(handler:edit-file name)
(default name)))))
(application-quit-handler
(let ([default (application-quit-handler)])
(λ ()
(if (null? (get-top-level-windows))
(when (exit:user-oks-exit)
(exit:exit))
(default)))))
(application-about-handler
(λ ()
(drracket:app:about-drscheme)))
(drracket:modes:add-initial-modes)
(finder:default-filters
`(["Racket Sources" "*.rkt;*.scrbl;*.rktl;*.rktd;*.ss;*.scm"]
,@(finder:default-filters)))
(application:current-app-name (string-constant drscheme))
(preferences:set-default 'drracket:submodules-to-choose-from
'((main) (test))
(cons/c (list/c 'main)
(cons/c (list/c 'test)
(listof (listof symbol?)))))
(preferences:set-default 'drracket:defs/ints-labels #t boolean?)
(drr:set-default 'drracket:language-dialog:hierlist-default #f (λ (x) (or (not x) (and (list? x) (andmap string? x)))))
(preferences:set-default 'drracket:language-dialog:teaching-hierlist-default #f (λ (x) (or (not x) (and (list? x) (andmap string? x)))))
(drr:set-default 'drracket:create-executable-gui-type 'stand-alone (λ (x) (memq x '(launcher stand-alone distribution))))
(drr:set-default 'drracket:create-executable-gui-base 'racket (λ (x) (memq x '(racket gracket))))
(drr:set-default 'drracket:logger-gui-tab-panel-level 0 (λ (x) (and (exact-integer? x) (<= 0 x 5))))
(drr:set-default 'drracket:saved-bug-reports
'()
(λ (ll)
(and (list? ll)
(andmap
(λ (l)
(and (list? l)
(andmap (λ (x) (and (pair? x)
(symbol? (car x))
(string? (cdr x))))
l)))
ll))))
(drr:set-default 'drracket:module-language-first-line-special? #t boolean?)
(drr:set-default 'drracket:defns-popup-sort-by-name? #f boolean?)
(drr:set-default 'drracket:show-line-numbers? #f boolean?)
(drr:set-default 'drracket:toolbar-state
'(#f . top)
(λ (x) (and (pair? x)
(boolean? (car x))
(memq (cdr x) '(left top top-no-label right)))))
(drr:set-default 'drracket:htdp:last-set-teachpacks
'()
(λ (x)
(and (list? x)
(andmap (λ (x)
(and (list? x)
(pair? x)
(eq? (car x) 'lib)
(andmap string? (cdr x))))
x))))
(drr:set-default 'drracket:defs/ints-horizontal #f boolean?)
(drr:set-default 'drracket:child-only-memory-limit (* 1024 1024 128)
(λ (x) (or (boolean? x)
(exact-integer? x)
(x . >= . (* 1024 1024 8)))))
(drr:set-default 'drracket:recent-language-names
null
(λ (x)
(and (list? x)
(andmap
(λ (x)
(and (pair? x)
(string? (car x))))
x))))
(drr:set-default 'drracket:show-interactions-on-execute #t boolean?)
(drr:set-default 'drracket:open-in-tabs #f boolean?)
(drr:set-default 'drracket:toolbar-shown #t boolean?)
(drr:set-default 'drracket:user-defined-keybindings
'()
(λ (x) (and (list? x)
(andmap (λ (x) (or (path? x) (drracket:frame:planet-spec? x)))
x))))
(drr:set-default 'drracket:install-plt-dialog
'(#t "" "") ; url-selected?, url string, file string
(λ (x) (and (list? x) (= 3 (length x))
(boolean? (car x))
(andmap string? (cdr x)))))
(preferences:set-un/marshall
'drracket:user-defined-keybindings
(λ (in) (map (λ (x) (if (path? x) (path->bytes x) x))
in))
(λ (ex) (if (list? ex)
(map (λ (x) (if (bytes? x) (bytes->path x) x)) ex)
'())))
(let ([number-between-zero-and-one?
(λ (x) (and (number? x) (<= 0 x 1)))])
(drr:set-default 'drracket:unit-window-size-percentage
1/2
number-between-zero-and-one?)
(drr:set-default 'drracket:module-browser-size-percentage
1/5
number-between-zero-and-one?)
(drr:set-default 'drracket:logging-size-percentage
3/4
number-between-zero-and-one?))
(drr:set-default 'drracket:module-browser:name-length 1
(λ (x) (memq x '(0 1 2 3))))
(let ([frame-width 600]
[frame-height 650]
[window-trimming-upper-bound-width 20]
[window-trimming-upper-bound-height 50])
(let-values ([(w h) (get-display-size)])
(set! frame-width (min frame-width (- w window-trimming-upper-bound-width)))
(set! frame-height (min frame-height (- h window-trimming-upper-bound-height))))
(frame:setup-size-pref 'drracket:unit-window-size
frame-width
frame-height
#:position-preferences
'drracket:unit-window-position))
(drr:set-default 'drracket:backtrace-window-width 400 number?)
(drr:set-default 'drracket:backtrace-window-height 300 number?)
(drr:set-default 'drracket:backtrace-window-x 0 number?)
(drr:set-default 'drracket:backtrace-window-y 0 number?)
(drr:set-default 'drracket:profile-how-to-count 'time
(λ (x)
(memq x '(time count))))
(drr:set-default 'drracket:profile:low-color
(make-object color% 150 255 150)
(λ (x) (is-a? x color%)))
(drr:set-default 'drracket:profile:high-color
(make-object color% 255 150 150)
(λ (x) (is-a? x color%)))
(drr:set-default 'drracket:profile:scale
'linear
(λ (x) (memq x '(sqrt linear square))))
(drr:set-default 'drracket:test-coverage-ask-about-clearing? #t boolean?)
;; size is in editor positions
(drr:set-default 'drracket:repl-buffer-size
'(#t . 1000)
(λ (x)
(and (pair? x)
(boolean? (car x))
(integer? (cdr x))
(<= 1 (cdr x) 10000))))
(let ([marshall-color
(λ (c)
(list (send c red) (send c green) (send c blue)))]
[unmarshall-color
(λ (l)
(if (and (list? l)
(= 3 (length l))
(andmap (λ (x) (and number? (<= 0 x 255)))
l))
(make-object color% (car l) (cadr l) (caddr l))
(make-object color% 0 0 0)))])
(preferences:set-un/marshall
'drracket:profile:low-color
marshall-color
unmarshall-color)
(preferences:set-un/marshall
'drracket:profile:high-color
marshall-color
unmarshall-color))
(drr:set-default
'drracket:keybindings-window-size
(cons 400 600)
(λ (x) (and (pair? x)
(number? (car x))
(number? (cdr x)))))
(drr:set-default
'drracket:execute-warning-once
#f
(λ (x)
(or (eq? x #t)
(not x))))
(drr:set-default 'drracket:switch-to-module-language-automatically? #t boolean?)
(drr:set-default
'drracket:default-tools-configuration
'load
(lambda (p)
(memq p '(load skip))))
(drr:set-default
'drracket:tools-configuration
null
list?)
(drr:set-default 'drracket:module-overview:label-font-size 12 number?)
(drr:set-default 'drracket:module-overview:window-height 500 number?)
(drr:set-default 'drracket:module-overview:window-width 500 number?)
(drr:set-default 'drracket:module-browser:hide-paths '(lib)
(λ (x)
(and (list? x)
(andmap symbol? x))))
(drracket:font:setup-preferences)
(color-prefs:add-background-preferences-panel)
(racket:add-preferences-panel)
(racket:add-coloring-preferences-panel)
(preferences:add-editor-checkbox-panel)
(preferences:add-warnings-checkbox-panel)
(preferences:add-scheme-checkbox-panel)
(preferences:add-general-checkbox-panel)
(let ([make-check-box
(λ (pref-sym string parent [extra-functionality #f])
(let ([q (make-object check-box%
string
parent
(λ (checkbox evt)
(define value (send checkbox get-value))
(preferences:set pref-sym value)
(when extra-functionality
(extra-functionality value))))])
(preferences:add-callback pref-sym (λ (p v) (send q set-value v)))
(send q set-value (preferences:get pref-sym))))])
(preferences:add-to-general-checkbox-panel
(λ (editor-panel)
(make-check-box 'drracket:open-in-tabs
(string-constant open-files-in-tabs)
editor-panel)
(make-check-box 'drracket:show-interactions-on-execute
(string-constant show-interactions-on-execute)
editor-panel)
(make-check-box 'drracket:switch-to-module-language-automatically?
(string-constant switch-to-module-language-automatically)
editor-panel)
(make-check-box 'drracket:defs/ints-horizontal
(string-constant interactions-beside-definitions)
editor-panel)
(make-check-box 'drracket:module-language-first-line-special?
(string-constant ml-always-show-#lang-line)
editor-panel)))
(preferences:add-to-editor-checkbox-panel
(λ (editor-panel)
(make-check-box 'drracket:show-line-numbers?
(string-constant show-line-numbers)
editor-panel)
(make-check-box 'drracket:defs/ints-labels
(string-constant show-defs/ints-label)
editor-panel)
;; come back to this one.
#;
(letrec ([hp (new horizontal-panel%
(parent editor-panel)
(alignment '(left top))
(stretchable-height #f))]
[cb (new check-box%
(label (string-constant limit-interactions-size))
(parent hp)
(callback (λ (cb v) (cb-callback))))]
[sl (new slider%
(label #f)
(parent hp)
(min-value 1)
(max-value 10000)
(callback
(λ (sl _) (sl-callback))))]
[cb-callback
(λ ()
(preferences:set 'drracket:repl-buffer-size
(cons (send cb get-value)
(cdr (preferences:get 'drracket:repl-buffer-size)))))]
[sl-callback
(λ ()
(preferences:set 'drracket:repl-buffer-size
(cons (car (preferences:get 'drracket:repl-buffer-size))
(send sl get-value))))]
[update-controls
(λ (v)
(let ([on? (car v)])
(send sl enable on?)
(send cb set-value on?)
(send sl set-value (cdr v))))])
(preferences:add-callback 'drracket:repl-buffer-size (λ (p v) (update-controls v)))
(update-controls (preferences:get 'drracket:repl-buffer-size)))))
(preferences:add-to-warnings-checkbox-panel
(λ (warnings-panel)
(make-check-box 'drracket:execute-warning-once
(string-constant only-warn-once)
warnings-panel)
(make-check-box 'drracket:test-coverage-ask-about-clearing?
(string-constant test-coverage-ask?)
warnings-panel)
(make-check-box 'drracket:show-killed-dialog
(string-constant show-evaluation-terminated-dialog)
warnings-panel))))
(drracket:debug:add-prefs-panel)
(install-help-browser-preference-panel)
(drracket:tools:add-prefs-panel)
(drracket:language:register-capability 'drscheme:tabify-menu-callback
(or/c false/c (-> (is-a?/c text%) number? number? void?))
(λ (t a b) (send t tabify-selection a b)))
(drracket:language:register-capability 'drscheme:autocomplete-words (listof string?) '())
(drracket:language:register-capability 'drscheme:define-popup
(or/c (cons/c string? string?)
(list/c string? string? string?)
#f)
(list "(define" "(define ...)" "δ"))
;; The default is #f to keep whatever the user chose as their context.
;; If it's "", then we will kill the user's choice.
(drracket:language:register-capability 'drscheme:help-context-term
(or/c false/c string?)
#f)
(drracket:language:register-capability 'drscheme:special:insert-fraction (flat-contract boolean?) #t)
(drracket:language:register-capability 'drscheme:special:insert-large-letters (flat-contract boolean?) #t)
(drracket:language:register-capability 'drscheme:special:insert-lambda (flat-contract boolean?) #t)
(drracket:language:register-capability 'drscheme:special:insert-image (flat-contract boolean?) #t)
(drracket:language:register-capability 'drscheme:special:insert-comment-box (flat-contract boolean?) #t)
(drracket:language:register-capability 'drscheme:language-menu-title
(flat-contract string?)
(string-constant scheme-menu-name))
(drracket:language:register-capability 'drscheme:teachpack-menu-items
(or/c false/c (flat-contract drracket:unit:teachpack-callbacks?))
#f)
(handler:current-create-new-window
(let ([drscheme-current-create-new-window
(λ (filename)
(drracket:unit:open-drscheme-window filename))])
drscheme-current-create-new-window))
;; add a catch-all handler to open drscheme files
(handler:insert-format-handler
"Units"
(λ (filename) #t)
drracket:unit:open-drscheme-window)
;; add a handler to open .plt files.
(handler:insert-format-handler
"PLT Files"
(λ (filename)
(and (regexp-match? #rx"^(?i:plt)$"
(or (filename-extension filename) #""))
(gui-utils:get-choice
(format (string-constant install-plt-file) filename)
(string-constant install-plt-file/yes)
(string-constant install-plt-file/no))))
(λ (filename)
(run-installer filename)
#f))
;; trim old console-previous-exprs preferences to compenstate
;; for a bug that let it grow without bound
(let* ([max-len 30]
[trim (λ (exprs save)
(when (list? exprs)
(let ([len (length exprs)])
(when (> len max-len)
(save (drop exprs (- len max-len)))))))])
(let ([framework-prefs (get-preference 'plt:framework-prefs #:timeout-lock-there (λ (x) #f))])
(when (and (list? framework-prefs)
(andmap pair? framework-prefs))
(let ([exprs-pref (assq 'drscheme:console-previous-exprs framework-prefs)])
(when exprs-pref
(trim (second exprs-pref)
(λ (trimmed)
(put-preferences (list 'plt:framework-prefs)
(list (dict-set framework-prefs 'drscheme:console-previous-exprs (list trimmed)))
void)))))))
(trim (get-preference 'plt:framework-pref:drscheme:console-previous-exprs #:timeout-lock-there (λ (x) #f))
(λ (trimmed)
(put-preferences (list 'plt:framework-pref:drscheme:console-previous-exprs)
(list trimmed)
void))))
(drracket:tools:load/invoke-all-tools
(λ () (void))
(λ ()
(drracket:language-configuration:add-built-in-languages)
(drracket:module-language:add-module-language)
(drracket:language-configuration:add-info-specified-languages)))
;; no more extension after this point
(drracket:get/extend:get-interactions-canvas)
(drracket:get/extend:get-definitions-canvas)
(drracket:get/extend:get-unit-frame)
(drracket:get/extend:get-interactions-text)
(drracket:get/extend:get-definitions-text)
(drracket:language-configuration:get-languages)
;; this default can only be set *after* the
;; languages have all be registered by tools
(drr:set-default
drracket:language-configuration:settings-preferences-symbol
(drracket:language-configuration:get-default-language-settings)
drracket:language-configuration:language-settings?)
;; if the unmarshaller returns #f, that will fail the
;; test for this preference, reverting back to the default.
;; In that case, the default is specified in the pref.rkt file
;; of the default collection and may not be the default
;; specified above (of course).
(preferences:set-un/marshall
drracket:language-configuration:settings-preferences-symbol
(λ (x)
(let ([lang (drracket:language-configuration:language-settings-language x)]
[settings (drracket:language-configuration:language-settings-settings x)])
(list (send lang get-language-numbers)
(send lang marshall-settings settings))))
(λ (x)
(and (list? x)
(= 2 (length x))
(let* ([lang-nums (first x)]
[marshalled-settings (second x)]
[lang (ormap
(λ (x)
(and (or (equal? (send x get-language-numbers) lang-nums)
;; this second branch of the `or' corresdponds
;; to preferences saved from earlier versions of
;; drscheme, for a sort of backwards compatibility
(equal? (send x get-language-position) lang-nums))
x))
(drracket:language-configuration:get-languages))])
(and lang
(let ([settings (send lang unmarshall-settings marshalled-settings)])
(drracket:language-configuration:language-settings
lang
(or settings (send lang default-settings)))))))))
(preferences:set-default 'drracket:online-compilation-default-on #t boolean?)
(preferences:set-default 'drracket:online-expansion:read-in-defs-errors
'margin
(or/c 'margin 'gold))
(preferences:set-default 'drracket:online-expansion:variable-errors
'margin
(or/c 'margin 'gold))
(preferences:set-default 'drracket:online-expansion:other-errors
'margin
(or/c 'margin 'gold))
(preferences:set-default 'drracket:show-killed-dialog #t boolean?)
(drr:set-default 'drracket:multi-file-search:recur? #t boolean?)
(drr:set-default 'drracket:multi-file-search:filter? #t boolean?)
(drr:set-default 'drracket:multi-file-search:filter-regexp "\\.(rkt.?|scrbl|ss|scm)$" string?)
(drr:set-default 'drracket:multi-file-search:search-string "" string?)
(drr:set-default 'drracket:multi-file-search:search-type
1
(λ (x)
(and (number? x)
(exact? x)
(integer? x)
(<= 0 x)
(< x (length drracket:multi-file-search:search-types)))))
;; drracket:mult-file-search:search-check-boxes : (listof (listof boolean))
(drr:set-default 'drracket:multi-file-search:search-check-boxes
(map (λ (x) (map cdr (drracket:multi-file-search:search-type-params x)))
drracket:multi-file-search:search-types)
(λ (x)
(and (list? x)
(andmap (λ (x)
(and (list? x)
(andmap boolean? x)))
x))))
(drr:set-default 'drracket:multi-file-search:percentages
'(1/3 2/3)
(λ (x) (and (list? x)
(= 2 (length x))
(= 1 (apply + x)))))
(drr:set-default 'drracket:multi-file-search:frame-size '(300 . 400)
(λ (x) (and (pair? x)
(number? (car x))
(number? (cdr x)))))
(drr:set-default 'drracket:multi-file-search:directories
'()
(lambda (x) (and (list? x) (andmap string? x))))
(drr:set-default 'drracket:multi-file-search:directory
;; The default is #f because
;; filesystem-root-list is expensive under Windows
#f
(lambda (x) (or (not x) (string? x))))
(drr:set-default 'drracket:large-letters-font #f (λ (x)
(or (and (pair? x)
(string? (car x))
(let ([i (cdr x)])
(and (integer? i)
(<= 1 i 255))))
(not x))))
(drr:set-default 'drracket:module-language:auto-text "#lang racket\n" string?)
(let ([drs-handler-recent-items-super%
(class (drracket:frame:basics-mixin
(frame:standard-menus-mixin
frame:basic%))
(define/override (edit-menu:between-select-all-and-find menu)
(void))
(super-new))])
(handler:set-recent-items-frame-superclass drs-handler-recent-items-super%))
(cond
[(current-eventspace-has-menu-root?)
(drracket:frame:create-root-menubar)
(preferences:set 'framework:exit-when-no-frames #f)]
[else
(preferences:set 'framework:exit-when-no-frames #t)])
(define repl-error-pref 'drracket:read-eval-print-loop:error-color)
(define repl-out-pref 'drracket:read-eval-print-loop:out-color)
(define repl-value-pref 'drracket:read-eval-print-loop:value-color)
(color-prefs:register-color-preference repl-value-pref
"text:ports value"
(make-object color% 0 0 175)
(make-object color% 57 89 216))
(color-prefs:register-color-preference repl-error-pref
"text:ports err"
(let ([sd (make-object style-delta% 'change-italic)])
(send sd set-delta-foreground (make-object color% 255 0 0))
sd))
(color-prefs:register-color-preference repl-out-pref
"text:ports out"
(make-object color% 150 0 150)
(make-object color% 192 46 214))
(color-prefs:add-to-preferences-panel
(string-constant repl-colors)
(λ (parent)
(color-prefs:build-color-selection-panel parent
repl-value-pref
"text:ports value"
(string-constant repl-value-color))
(color-prefs:build-color-selection-panel parent
repl-error-pref
"text:ports err"
(string-constant repl-error-color))
(color-prefs:build-color-selection-panel parent
repl-out-pref
"text:ports out"
(string-constant repl-out-color))))
(define test-coverage-on-style-pref (string->symbol drracket:debug:test-coverage-on-style-name))
(define test-coverage-off-style-pref (string->symbol drracket:debug:test-coverage-off-style-name))
(color-prefs:register-color-preference test-coverage-on-style-pref
drracket:debug:test-coverage-on-style-name
(send the-color-database find-color "forest green"))
(color-prefs:register-color-preference test-coverage-off-style-pref
drracket:debug:test-coverage-off-style-name
(send the-color-database find-color "maroon"))
(color-prefs:add-to-preferences-panel
"Module Language"
(λ (parent)
(color-prefs:build-color-selection-panel parent
test-coverage-on-style-pref
drracket:debug:test-coverage-on-style-name
(string-constant test-coverage-on))
(color-prefs:build-color-selection-panel parent
test-coverage-off-style-pref
drracket:debug:test-coverage-off-style-name
(string-constant test-coverage-off))))
(drracket:module-language:initialize-prefs-panel)
(let* ([find-frame
(λ (item)
(let loop ([item item])
(cond
[(is-a? item top-level-window<%>)
(and (is-a? item drracket:unit:frame%)
item)]
[(is-a? item menu-item<%>)
(loop (send item get-parent))]
[(is-a? item menu-bar%)
(loop (send item get-frame))]
[else #f])))]
[dc
(λ (item)
(let ([frame (find-frame item)])
(send item enable (and frame (> (length (send frame get-tabs)) 1)))))])
(group:add-to-windows-menu
(λ (windows-menu)
(define sprefix (if (eq? (system-type) 'windows)
(cons 'shift (get-default-shortcut-prefix))
(get-default-shortcut-prefix)))
(new menu-item%
[parent windows-menu]
[label (string-constant prev-tab)]
[shortcut #\[]
[shortcut-prefix sprefix]
[demand-callback dc]
[callback (λ (item _)
(let ([frame (find-frame item)])
(when frame
(send frame prev-tab))))])
(new menu-item%
[parent windows-menu]
[label (string-constant next-tab)]
[shortcut #\]]
[shortcut-prefix sprefix]
[demand-callback dc]
[callback (λ (item _)
(let ([frame (find-frame item)])
(when frame
(send frame next-tab))))])
(let ([frame (find-frame windows-menu)])
(unless (or (not frame) (= 1 (send frame get-tab-count)))
(unless (eq? (system-type) 'macosx)
(new separator-menu-item% [parent windows-menu]))
(for ([i (in-range 0 (send frame get-tab-count))]
#:when (< i 9))
(new menu-item%
[parent windows-menu]
[label (format (string-constant tab-i)
(+ i 1)
(send frame get-tab-filename i))]
[shortcut (integer->char (+ (char->integer #\1) i))]
[callback
(λ (a b)
(send frame change-to-nth-tab i))]))))
(when (eq? (system-type) 'macosx)
(new separator-menu-item% [parent windows-menu])))))
;; Check for any files lost last time.
;; Ignore the framework's empty frames test, since
;; the autosave information window may appear and then
;; go away (leaving no frames temporarily) but we are
;; not going to be exiting yet.
(autosave:restore-autosave-files/gui)
;; the initial window doesn't set the
;; unit object's state correctly, yet.
(define (make-basic)
(let* ([frame (drracket:unit:open-drscheme-window)]
[interactions-edit (send frame get-interactions-text)]
[definitions-edit (send frame get-interactions-text)]
[filename (send definitions-edit get-filename)])
(unless filename
(send frame update-shown)
(send (send frame get-interactions-canvas) focus))
(send frame show #t)))
;; FIXME: get this from racket/list ?
(define (remove-duplicates files)
(let loop ([files files])
(cond
[(null? files) null]
[else (if (member (car files) (cdr files))
(loop (cdr files))
(cons (car files) (loop (cdr files))))])))
;; Queue a callback here to open the first frame
;; and install the user's keybindings so that the modules
;; that are being loaded by drracket are all finished.
;; This makes sure that drracket exports
;; are all set up a) in case a user keybinding file uses
;; them, and b) before we trigger the dynamic
;; requires that can happen when the module language looks
;; at the #lang line (which can end up loading drracket itself
;; in a bad way leading to errors like this:
;; link: reference (phase 0) to a variable in module: ...
;; that is uninitialized (phase level 0);
;; reference appears in module: ...)
(queue-callback
(λ ()
;; install user's keybindings
(for-each drracket:frame:add-keybindings-item
(preferences:get 'drracket:user-defined-keybindings))
;; NOTE: drscheme-normal.rkt sets current-command-line-arguments to
;; the list of files to open, after parsing out flags like -h
(let* ([files-to-open
(if (preferences:get 'drracket:open-in-tabs)
(vector->list (current-command-line-arguments))
(reverse (vector->list (current-command-line-arguments))))]
[normalized/filtered
(let loop ([files files-to-open])
(cond
[(null? files) null]
[else (let ([file (car files)])
(if (file-exists? file)
(cons (normalize-path file) (loop (cdr files)))
(begin
(message-box
(string-constant drscheme)
(format (string-constant cannot-open-because-dne) file))
(loop (cdr files)))))]))]
[no-dups (remove-duplicates normalized/filtered)]
[frames
(map (λ (f) (handler:edit-file
f
(λ () (drracket:unit:open-drscheme-window f))))
no-dups)])
(when (null? (filter (λ (x) x) frames))
(make-basic))
(when (and (preferences:get 'drracket:open-in-tabs)
(not (null? no-dups)))
(handler:edit-file (car no-dups))))))