...
original commit: 798c71780415bdcce317a03e3b4a4df08d51e0ff
This commit is contained in:
Robby Findler
parent
74e787e9ab
commit
91ff966c7c
768
collects/framework/finder.ss
Normal file
768
collects/framework/finder.ss
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@ -0,0 +1,768 @@
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;;; finder.ss
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;;; Authors: Matthew Flatt, Robby Findler, Paul Steckler
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(unit/sig mred:finder^
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(import mred^
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[preferences : framework:preferences^]
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[gui-utils : framework:gui-utils^]
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[mzlib:string : mzlib:string^]
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[mzlib:function : mzlib:function^]
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[mzlib:file : mzlib:file^])
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(define dialog-parent-parameter (make-parameter null))
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(define filter-match?
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(lambda (filter name msg)
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(let-values ([(base name dir?) (split-path name)])
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(if (mzlib:string:regexp-match-exact? filter name)
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#t
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(begin
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(message-box "Error" msg)
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#f)))))
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(define last-directory #f)
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(define make-relative
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(lambda (s) s))
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(define current-find-file-directory
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(opt-lambda ([dir 'get])
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(cond
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[(eq? dir 'get)
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(if (not last-directory)
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(set! last-directory (current-directory)))
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last-directory]
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[(and (string? dir)
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(directory-exists? dir))
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(set! last-directory dir)
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#t]
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[else #f])))
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(define build-updir
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(lambda (dir)
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(let-values ([(base _1 _2) (split-path dir)])
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(or base dir))))
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; the finder-dialog% class controls the user interface for dialogs
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(define finder-dialog%
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(class dialog-box% (parent-win
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save-mode?
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replace-ok?
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multi-mode?
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result-box
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start-dir
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start-name
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prompt
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file-filter
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file-filter-msg)
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(inherit new-line tab fit center
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popup-menu show)
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(private
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[WIDTH 500]
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[HEIGHT 400]
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dirs
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current-dir
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last-selected
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[select-counter 0])
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(private
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[set-directory ; sets directory in listbox
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(lambda (dir) ; dir is normalized
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(when (directory-exists? dir)
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(gui-utils:show-busy-cursor
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(lambda ()
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(set! current-dir dir)
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(set! last-directory dir)
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(let-values
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([(dir-list menu-list)
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(let loop ([this-dir dir]
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[dir-list ()]
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[menu-list ()])
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(let-values ([(base-dir in-dir dir?)
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(split-path this-dir)])
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(if (eq? (system-type) 'windows)
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(mzlib:string:string-lowercase! in-dir))
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(let* ([dir-list (cons this-dir dir-list)]
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[menu-list (cons in-dir menu-list)])
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(if base-dir
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(loop base-dir dir-list menu-list)
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; No more
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(values dir-list menu-list)))))])
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(set! dirs (reverse dir-list))
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(send dir-choice clear)
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(let loop ([choices (reverse menu-list)])
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(unless (null? choices)
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(send dir-choice append (car choices))
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(loop (cdr choices))))
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(send dir-choice set-selection 0)
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(send top-panel force-redraw))
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(send name-list clear)
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(send name-list set
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(mzlib:function:quicksort
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(let ([no-periods?
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(not (preferences:get
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'framework:show-periods-in-dirlist))])
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(let loop ([l (directory-list dir)])
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(if (null? l)
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null
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(let ([s (car l)]
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[rest (loop (cdr l))])
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(cond
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[(and no-periods?
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(<= 1 (string-length s))
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(char=? (string-ref s 0) #\.))
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rest]
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[(directory-exists? (build-path dir s))
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(cons (string-append s (get-slash))
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rest)]
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[(or (not file-filter)
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(mzlib:string:regexp-match-exact?
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file-filter s))
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(cons s rest)]
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[else rest])))))
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(if (eq? (system-type) 'unix) string<? string-ci<?)))
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(send name-list set-selection-and-edit 0)
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(set! last-selected -1)))))]
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[set-edit
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(lambda ()
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(let* ([file (send name-list get-string-selection)]
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[dir-and-file
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(if (null? file)
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current-dir
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(build-path current-dir file))])
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(send* directory-edit
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(begin-edit-sequence)
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(erase)
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(insert dir-and-file)
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(end-edit-sequence))))])
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(public
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[do-period-in/exclusion
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(lambda (button event)
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(preferences:set 'framework:show-periods-in-dirlist (send event checked?))
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(set-directory current-dir))]
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[do-dir
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(lambda (choice event)
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(let ([which (send event get-selection)])
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(if (< which (length dirs))
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(set-directory (list-ref dirs which)))))]
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|
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[do-name
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(lambda (text event)
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(if (eq? (send event get-event-type)
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wx:const-event-type-text-enter-command)
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(do-ok)))]
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[do-name-list
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(lambda (_ event)
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(if (and (eq? (send event get-event-type)
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wx:const-event-type-listbox-command)
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(send event is-selection?))
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(set-edit)))]
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[do-result-list
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(lambda args #f)]
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[do-ok
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(lambda args
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(if multi-mode?
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(let ([dir-name (send directory-edit get-text)])
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(if (directory-exists? dir-name)
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(set-directory (mzlib:file:normalize-path dir-name))
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(let loop ([n (sub1 select-counter)][result ()])
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(if (< n 0)
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(begin
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(set-box! result-box result)
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(show #f))
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(loop (sub1 n)
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(cons (send result-list get-string n)
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result))))))
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; not multi-mode
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(let ([name (send name-list get-string-selection)]
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[non-empty? (> (send name-list number) 0)])
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(cond
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[(and save-mode?
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non-empty?
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(not (string? name))) 'nothing-selected]
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[(and save-mode?
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non-empty?
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(string=? name ""))
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(let ([file (send directory-edit get-text)])
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(if (directory-exists? file)
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(set-directory (mzlib:file:normalize-path file))
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(message-box
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"Error"
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"You must specify a file name")))]
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|
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[(and save-mode?
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non-empty?
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file-filter
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(not (mzlib:string:regexp-match-exact? file-filter name)))
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(message-box "Error" file-filter-msg)]
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[else
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; if dir in edit box, go to that dir
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(let ([dir-name (send directory-edit get-text)])
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(if (directory-exists? dir-name)
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(set-directory (mzlib:file:normalize-path dir-name))
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; otherwise, try to return absolute path
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(let* ([relative-name (make-relative name)]
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[file-in-edit (file-exists? dir-name)]
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[file (if (or file-in-edit
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(null? relative-name)
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save-mode?)
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dir-name
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(build-path current-dir relative-name))])
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|
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; trying to open a file that doesn't exist
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(if (and (not save-mode?) (not file-in-edit))
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(message-box
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"Error"
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(string-append "The file \""
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dir-name
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"\" does not exist."))
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; saving a file, which may exist, or
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; opening an existing file
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|
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(if (or (not save-mode?)
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(not (file-exists? file))
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replace-ok?
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(= (wx:message-box
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(string-append
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"The file "
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file
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" already exists. "
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"Replace it?")
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"Warning"
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wx:const-yes-no)
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wx:const-yes))
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(let ([normal-path
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(with-handlers
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([(lambda (_) #t)
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(lambda (_)
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(wx:message-box
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(string-append
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"The file "
|
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file
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" contains nonexistent directory or cycle.")
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"Warning")
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#f)])
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(mzlib:file:normalize-path file))])
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(when normal-path
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(set-box! result-box normal-path)
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(show #f))))))))]))))]
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|
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[add-one
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(lambda (name)
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(unless (or (directory-exists? name)
|
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(> (send result-list find-string name) -1))
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(set! select-counter (add1 select-counter))
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(send result-list append (mzlib:file:normalize-path name))))]
|
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|
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[do-add
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(lambda args
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(let ([name (send name-list get-string-selection)])
|
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(if (string? name)
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(let ([name (build-path current-dir
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(make-relative name))])
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(add-one name)))))]
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|
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[do-add-all
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(lambda args
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(let loop ([n 0])
|
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(let ([name (send name-list get-string n)])
|
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(if (and (string? name)
|
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(positive? (string-length name)))
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(let ([name (build-path current-dir
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(make-relative name))])
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(add-one name)
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(loop (add1 n)))))))]
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|
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[do-remove
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(lambda args
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(let loop ([n 0])
|
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(if (< n select-counter)
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(if (send result-list selected? n)
|
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(begin
|
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(send result-list delete n)
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(set! select-counter (sub1 select-counter))
|
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(loop n))
|
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(loop (add1 n))))))]
|
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|
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[do-cancel
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(lambda args
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(set-box! result-box #f)
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(show #f))]
|
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|
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[on-close (lambda () #f)])
|
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|
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(sequence
|
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(super-init (if save-mode? "Put file" "Get file")
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parent-win
|
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WIDTH
|
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HEIGHT))
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|
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(private
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|
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[main-panel (make-object vertical-panel% this)]
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|
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[top-panel (make-object horizontal-panel% main-panel)]
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|
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[_1 (make-object message% top-panel prompt)]
|
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|
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[dir-choice (make-object choice% top-panel do-dir '())]
|
||||
|
||||
[middle-panel (make-object horizontal-panel% main-panel)]
|
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[left-middle-panel (make-object vertical-panel% middle-panel)]
|
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[right-middle-panel (when multi-mode?
|
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(make-object vertical-panel% middle-panel))]
|
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[name-list%
|
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|
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(class-asi list-box%
|
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|
||||
(inherit
|
||||
get-first-item
|
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get-string
|
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get-selection
|
||||
get-string-selection
|
||||
number
|
||||
number-of-visible-items
|
||||
set-first-item
|
||||
set-focus
|
||||
set-selection)
|
||||
|
||||
(public
|
||||
|
||||
[set-selection-and-edit ; set selection, update edit box
|
||||
|
||||
(lambda (pos)
|
||||
(when (> (number) 0)
|
||||
(let* ([first-item (get-first-item)]
|
||||
[last-item (sub1 (+ (number-of-visible-items)
|
||||
first-item))])
|
||||
(if (or (< pos first-item) (> pos last-item))
|
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(set-first-item pos))
|
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(set-selection pos)))
|
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(set-edit))]
|
||||
|
||||
[pre-on-char ; set selection according to keystroke
|
||||
|
||||
(lambda (_ key)
|
||||
(let ([code (send key get-key-code)]
|
||||
[num-items (number)]
|
||||
[curr-pos (get-selection)])
|
||||
|
||||
(cond
|
||||
|
||||
[(and (char? code)
|
||||
(or (char=? code #\newline)
|
||||
(char=? code #\return))) ; CR or LF
|
||||
(do-ok)]
|
||||
|
||||
[(and (char? code)
|
||||
(char=? code #\tab))
|
||||
(set-focus-to-directory-edit)]
|
||||
|
||||
; look for letter at beginning of a filename
|
||||
|
||||
[(char? code)
|
||||
(letrec
|
||||
([loop
|
||||
(lambda (pos)
|
||||
(unless
|
||||
(>= pos num-items)
|
||||
(let ([first-char (string-ref (get-string pos) 0)])
|
||||
(if (char=? code first-char)
|
||||
(set-selection-and-edit pos)
|
||||
(loop (add1 pos))))))])
|
||||
(loop (add1 curr-pos)))]
|
||||
|
||||
; movement keys
|
||||
|
||||
[(and (eq? code 'up)
|
||||
(> curr-pos 0))
|
||||
(set-selection-and-edit (sub1 curr-pos))]
|
||||
|
||||
[(and (eq? code 'down)
|
||||
(< curr-pos (sub1 num-items)))
|
||||
(let* ([num-vis (number-of-visible-items)]
|
||||
[curr-first (get-first-item)]
|
||||
[new-curr-pos (add1 curr-pos)]
|
||||
[new-first (if (< new-curr-pos (+ curr-first num-vis))
|
||||
curr-first ; no scroll needed
|
||||
(add1 curr-first))])
|
||||
(set-first-item new-first)
|
||||
(set-selection-and-edit new-curr-pos))]
|
||||
|
||||
[(and (eq? code 'prior)
|
||||
(> curr-pos 0))
|
||||
(let* ([num-vis (number-of-visible-items)]
|
||||
[new-first (- (get-first-item) num-vis)])
|
||||
(set-first-item (max new-first 0))
|
||||
(set-selection-and-edit (max 0 (- curr-pos num-vis))))]
|
||||
|
||||
[(and (eq? code 'next)
|
||||
(< curr-pos (sub1 num-items)))
|
||||
(let* ([num-vis (number-of-visible-items)]
|
||||
[new-first (+ (get-first-item) num-vis)])
|
||||
(set-first-item (min new-first (- (number) num-vis)))
|
||||
(set-selection-and-edit
|
||||
(min (sub1 num-items) (+ curr-pos num-vis))))]
|
||||
|
||||
[else #f])))]
|
||||
|
||||
[on-default-action
|
||||
(lambda ()
|
||||
(when (> (send name-list number) 0)
|
||||
(let* ([which (send name-list get-string-selection)]
|
||||
[dir (build-path current-dir
|
||||
(make-relative which))])
|
||||
(if (directory-exists? dir)
|
||||
(set-directory (mzlib:file:normalize-path dir))
|
||||
(if multi-mode?
|
||||
(do-add)
|
||||
(do-ok))))))]))]
|
||||
|
||||
[name-list (make-object name-list%
|
||||
#f left-middle-panel do-name-list
|
||||
'(single))]
|
||||
|
||||
[set-focus-to-name-list
|
||||
(lambda ()
|
||||
(send name-list set-focus))]
|
||||
[set-focus-to-directory-edit
|
||||
(lambda ()
|
||||
(send directory-panel set-focus))]
|
||||
|
||||
[save-panel (when save-mode? (make-object horizontal-panel% main-panel))]
|
||||
|
||||
[directory-panel (make-object horizontal-panel% main-panel)]
|
||||
|
||||
[directory-edit
|
||||
(make-object (class-asi text%
|
||||
(rename [super-on-local-char on-local-char])
|
||||
(public
|
||||
[on-local-char
|
||||
(lambda (key)
|
||||
(let ([code (send key get-key-code)])
|
||||
(cond
|
||||
[(or (equal? code #\return)
|
||||
(equal? code #\newline))
|
||||
(do-ok)
|
||||
(set-focus-to-name-list)]
|
||||
[(equal? code #\tab)
|
||||
(set-focus-to-name-list)]
|
||||
[else
|
||||
(super-on-local-char key)])))])))]
|
||||
|
||||
[dot-panel (when (eq? 'unix (system-type))
|
||||
(make-object horizontal-panel% main-panel))]
|
||||
|
||||
[bottom-panel (make-object horizontal-panel% main-panel)]
|
||||
|
||||
[result-list
|
||||
(when multi-mode?
|
||||
(make-object list-box%
|
||||
#f
|
||||
do-result-list
|
||||
right-middle-panel
|
||||
void
|
||||
'(multiple)))]
|
||||
[add-panel
|
||||
(when multi-mode?
|
||||
(make-object horizontal-panel% left-middle-panel))]
|
||||
|
||||
[remove-panel
|
||||
(when multi-mode?
|
||||
(make-object horizontal-panel% right-middle-panel))]
|
||||
|
||||
[do-updir
|
||||
(lambda ()
|
||||
(set-directory (build-updir current-dir))
|
||||
(set-focus-to-name-list))
|
||||
])
|
||||
|
||||
(sequence
|
||||
|
||||
(when (eq? (system-type) 'unix)
|
||||
(let ([dot-cb
|
||||
(make-object
|
||||
check-box% dot-panel
|
||||
do-period-in/exclusion
|
||||
"Show files and directories that begin with a dot")])
|
||||
(send dot-panel stretchable-in-y #f)
|
||||
(send dot-cb set-value
|
||||
(preferences:get 'framework:show-periods-in-dirlist))))
|
||||
|
||||
(send directory-panel stretchable-in-y #f)
|
||||
|
||||
(let ([canvas (make-object editor-canvas% directory-panel #f
|
||||
(list 'hide-h-scroll 'v-scroll))])
|
||||
|
||||
(send* canvas
|
||||
(set-line-count 1)
|
||||
(set-media directory-edit)
|
||||
(set-focus)
|
||||
(user-min-height 20)))
|
||||
|
||||
(when multi-mode?
|
||||
(send add-panel stretchable-in-y #f)
|
||||
(send remove-panel stretchable-in-y #f)
|
||||
(send result-list stretchable-in-x #t))
|
||||
|
||||
(make-object button%
|
||||
"Up directory"
|
||||
top-panel
|
||||
(lambda (button evt) (do-updir)))
|
||||
|
||||
(send name-list stretchable-in-x #t)
|
||||
|
||||
(send top-panel stretchable-in-y #f)
|
||||
|
||||
(send bottom-panel stretchable-in-y #f)
|
||||
|
||||
(when save-mode?
|
||||
(send save-panel stretchable-in-y #f)))
|
||||
|
||||
(private
|
||||
|
||||
[add-button (when multi-mode?
|
||||
(make-object horizontal-panel% add-panel)
|
||||
(make-object button%
|
||||
"Add"
|
||||
add-panel
|
||||
do-add))]
|
||||
[add-all-button (when multi-mode?
|
||||
(begin0
|
||||
(make-object button%
|
||||
"Add all"
|
||||
add-panel do-add-all)
|
||||
(make-object horizontal-panel% add-panel)))]
|
||||
[remove-button (when multi-mode?
|
||||
(make-object horizontal-panel% remove-panel)
|
||||
(begin0
|
||||
(make-object button% "Remove" remove-panel do-remove)
|
||||
(make-object horizontal-panel% remove-panel)))])
|
||||
(sequence
|
||||
(make-object vertical-panel% bottom-panel))
|
||||
(private
|
||||
[cancel-button (make-object button% "Cancel" bottom-panel do-cancel)]
|
||||
[ok-button
|
||||
(make-object button%
|
||||
"OK"
|
||||
bottom-panel do-ok)])
|
||||
(sequence
|
||||
(cond
|
||||
[(and start-dir
|
||||
(not (null? start-dir))
|
||||
(directory-exists? start-dir))
|
||||
(set-directory (mzlib:file:normalize-path start-dir))]
|
||||
[last-directory (set-directory last-directory)]
|
||||
[else (set-directory (current-directory))])
|
||||
|
||||
(send ok-button min-width (send cancel-button get-width))
|
||||
|
||||
(center 'both)
|
||||
|
||||
(show #t))))
|
||||
|
||||
; make-common takes a dialog-maker
|
||||
; used to make one dialog object per session, now created each time
|
||||
|
||||
(define make-common
|
||||
(lambda (make-dialog)
|
||||
(lambda args
|
||||
(let ([result-box (box #f)])
|
||||
(apply make-dialog result-box args)
|
||||
(unbox result-box)))))
|
||||
|
||||
; the common versions of these functions have their visual
|
||||
; interfaces under Scheme control
|
||||
|
||||
(define common-put-file
|
||||
(make-common
|
||||
(opt-lambda (result-box
|
||||
[name ()]
|
||||
[directory ()]
|
||||
[replace? #f]
|
||||
[prompt "Select file"]
|
||||
[filter #f]
|
||||
[filter-msg "Invalid form"]
|
||||
[parent-win (dialog-parent-parameter)])
|
||||
(let* ([directory (if (and (null? directory)
|
||||
(string? name))
|
||||
(or (mzlib:file:path-only name) null)
|
||||
directory)]
|
||||
[name (or (and (string? name)
|
||||
(mzlib:file:file-name-from-path name))
|
||||
name)])
|
||||
(make-object finder-dialog%
|
||||
parent-win
|
||||
#t
|
||||
replace?
|
||||
#f
|
||||
result-box
|
||||
directory
|
||||
name
|
||||
prompt
|
||||
filter
|
||||
filter-msg)))))
|
||||
|
||||
(define common-get-file
|
||||
(make-common
|
||||
(opt-lambda
|
||||
(result-box
|
||||
[directory ()]
|
||||
[prompt "Select file"]
|
||||
[filter #f]
|
||||
[filter-msg "Bad name"]
|
||||
[parent-win (dialog-parent-parameter)])
|
||||
(make-object finder-dialog%
|
||||
parent-win ; parent window
|
||||
#f ; save-mode?
|
||||
#f ; replace-ok?
|
||||
#f ; multi-mode?
|
||||
result-box ; boxed results
|
||||
directory ; start-dir
|
||||
'() ; start-name
|
||||
prompt ; prompt
|
||||
filter ; file-filter
|
||||
filter-msg ; file-filter-msg
|
||||
))))
|
||||
|
||||
(define common-get-file-list
|
||||
(make-common
|
||||
(opt-lambda (result-box
|
||||
[directory ()]
|
||||
[prompt "Select files"]
|
||||
[filter #f]
|
||||
[filter-msg "Bad name"]
|
||||
[parent-win (dialog-parent-parameter)])
|
||||
(make-object
|
||||
finder-dialog%
|
||||
parent-win ; parent window
|
||||
#f ; save-mode?
|
||||
#f ; replace-ok?
|
||||
#t ; multi-mode?
|
||||
result-box ; boxed results
|
||||
directory ; directory
|
||||
'() ; start-name
|
||||
prompt ; prompt
|
||||
filter ; file-filter
|
||||
filter-msg ; file-filter-msg
|
||||
))))
|
||||
|
||||
; the std- and common- forms both have opt-lambda's, with the same
|
||||
; list of args. Should the opt-lambda's be placed in the dispatching function?
|
||||
|
||||
(define std-put-file
|
||||
(opt-lambda ([name ()]
|
||||
[directory ()]
|
||||
[replace? #f]
|
||||
[prompt "Select file"]
|
||||
[filter #f]
|
||||
[filter-msg "That filename does not have the right form."]
|
||||
[parent-win (dialog-parent-parameter)])
|
||||
(let* ([directory (if (and (null? directory)
|
||||
(string? name))
|
||||
(or (mzlib:file:path-only name) null)
|
||||
directory)]
|
||||
[name (or (and (string? name)
|
||||
(mzlib:file:file-name-from-path name))
|
||||
name)]
|
||||
[f (wx:put-file
|
||||
prompt
|
||||
parent-win
|
||||
directory
|
||||
name
|
||||
".ss")])
|
||||
(if (or (null? f)
|
||||
(and filter
|
||||
(not (filter-match? filter
|
||||
f
|
||||
filter-msg))))
|
||||
#f
|
||||
(let* ([f (mzlib:file:normalize-path f)]
|
||||
[dir (mzlib:file:path-only f)]
|
||||
[name (mzlib:file:file-name-from-path f)])
|
||||
(cond
|
||||
[(not (and (string? dir) (directory-exists? dir)))
|
||||
(message-box "That directory does not exist." "Error")
|
||||
#f]
|
||||
[(or (not name) (equal? name ""))
|
||||
(message-box "Empty filename." "Error")
|
||||
#f]
|
||||
[else f]))))))
|
||||
|
||||
(define std-get-file
|
||||
(opt-lambda ([directory ()]
|
||||
[prompt "Select file"]
|
||||
[filter #f]
|
||||
[filter-msg "That filename does not have the right form."]
|
||||
[parent-win (dialog-parent-parameter)])
|
||||
(let ([f (wx:file-selector
|
||||
prompt
|
||||
directory
|
||||
null
|
||||
null
|
||||
"*"
|
||||
wx:const-open
|
||||
parent-win)])
|
||||
(if (null? f)
|
||||
#f
|
||||
(if (or (not filter) (filter-match? filter f filter-msg))
|
||||
(let ([f (mzlib:file:normalize-path f)])
|
||||
(cond
|
||||
[(directory-exists? f)
|
||||
(message-box "That is a directory name." "Error")
|
||||
#f]
|
||||
[(not (file-exists? f))
|
||||
(message-box "File does not exist.")
|
||||
#f]
|
||||
[else f]))
|
||||
#f)))))
|
||||
|
||||
; external interfaces to file functions
|
||||
|
||||
(define put-file
|
||||
(lambda args
|
||||
(let ([actual-fun
|
||||
(case (preferences:get 'framework:file-dialogs)
|
||||
[(std) std-put-file]
|
||||
[(common) common-put-file])])
|
||||
(apply actual-fun args))))
|
||||
|
||||
(define get-file
|
||||
(lambda args
|
||||
(let ([actual-fun
|
||||
(case (preferences:get 'framework:file-dialogs)
|
||||
[(std) std-get-file]
|
||||
[(common) common-get-file])])
|
||||
(apply actual-fun args)))))
|
||||
|
||||
|
||||
|
||||
|
|
@ -45,3 +45,237 @@ when adding a frame, do this:
|
|||
(set-close-menu-item-state! a-frame #t)))))
|
||||
|
||||
|
||||
(unit/sig mred:group^
|
||||
(import [mred:preferences : mred:preferences^]
|
||||
[mred:editor-frame : mred:editor-frame^]
|
||||
[mred:gui-utils : mred:gui-utils^]
|
||||
[mred:exit : mred:exit^]
|
||||
[mred:autosave : mred:autosave^]
|
||||
[mred:handler : mred:handler^]
|
||||
[mzlib:function : mzlib:function^]
|
||||
[mzlib:file : mzlib:file^])
|
||||
|
||||
(mred:debug:printf 'invoke "mred:group@")
|
||||
|
||||
(define frame-group%
|
||||
(let-struct frame (frame id)
|
||||
(class null ()
|
||||
(private
|
||||
[active-frame #f]
|
||||
[frame-counter 0]
|
||||
[frames null]
|
||||
[todo-to-new-frames void]
|
||||
[empty-close-down (lambda () (void))]
|
||||
[empty-test (lambda () #t)]
|
||||
|
||||
[windows-menus null])
|
||||
|
||||
(private
|
||||
[get-windows-menu
|
||||
(lambda (frame)
|
||||
(and (ivar-in-class? 'windows-menu (object-class frame))
|
||||
(ivar frame windows-menu)))]
|
||||
[insert-windows-menu
|
||||
(lambda (frame)
|
||||
(let ([menu (get-windows-menu frame)])
|
||||
(when menu
|
||||
(set! windows-menus (cons (list menu) windows-menus)))))]
|
||||
[remove-windows-menu
|
||||
(lambda (frame)
|
||||
(let* ([menu (get-windows-menu frame)])
|
||||
(set! windows-menus
|
||||
(mzlib:function:remove
|
||||
menu
|
||||
windows-menus
|
||||
(lambda (x y)
|
||||
(eq? x (car y)))))))]
|
||||
|
||||
[update-windows-menus
|
||||
(lambda ()
|
||||
(let* ([windows (length windows-menus)]
|
||||
[get-name (lambda (frame) (send (frame-frame frame) get-title))]
|
||||
[sorted-frames
|
||||
(mzlib:function:quicksort
|
||||
frames
|
||||
(lambda (f1 f2)
|
||||
(string-ci<=? (get-name f1)
|
||||
(get-name f2))))])
|
||||
(set!
|
||||
windows-menus
|
||||
(map
|
||||
(lambda (menu-list)
|
||||
(let ([menu (car menu-list)]
|
||||
[old-ids (cdr menu-list)])
|
||||
(for-each (lambda (id) (send menu delete id))
|
||||
old-ids)
|
||||
(let ([new-ids
|
||||
(map
|
||||
(lambda (frame)
|
||||
(let ([frame (frame-frame frame)]
|
||||
[default-name "Untitled"])
|
||||
(send menu append-item
|
||||
(let ([title (send frame get-title)])
|
||||
(if (string=? title "")
|
||||
(if (ivar-in-class? 'get-entire-title (object-class frame))
|
||||
(let ([title (send frame get-entire-title)])
|
||||
(if (string=? title "")
|
||||
default-name
|
||||
title))
|
||||
default-name)
|
||||
title))
|
||||
(lambda ()
|
||||
(send frame show #t)))))
|
||||
sorted-frames)])
|
||||
(cons menu new-ids))))
|
||||
windows-menus))))])
|
||||
|
||||
|
||||
(public
|
||||
[set-empty-callbacks
|
||||
(lambda (test close-down)
|
||||
(set! empty-test test)
|
||||
(set! empty-close-down close-down))]
|
||||
[get-frames (lambda () (map frame-frame frames))]
|
||||
[frame% mred:editor-frame:editor-frame%]
|
||||
[get-frame% (lambda () frame%)]
|
||||
|
||||
[frame-title-changed
|
||||
(lambda (frame)
|
||||
(when (member frame (map frame-frame frames))
|
||||
(update-windows-menus)))]
|
||||
|
||||
[for-each-frame
|
||||
(lambda (f)
|
||||
(for-each (lambda (x) (f (frame-frame x))) frames)
|
||||
(set! todo-to-new-frames
|
||||
(let ([old todo-to-new-frames])
|
||||
(lambda (frame) (old frame) (f frame)))))]
|
||||
[get-active-frame
|
||||
(lambda ()
|
||||
(cond
|
||||
[active-frame active-frame]
|
||||
[(null? frames) #f]
|
||||
[else (frame-frame (car frames))]))]
|
||||
[set-active-frame
|
||||
(lambda (f)
|
||||
(set! active-frame f))]
|
||||
[insert-frame
|
||||
(lambda (f)
|
||||
(set! frame-counter (add1 frame-counter))
|
||||
(let ([new-frames (cons (make-frame f frame-counter)
|
||||
frames)])
|
||||
(set! frames new-frames)
|
||||
(insert-windows-menu f)
|
||||
(update-windows-menus))
|
||||
(todo-to-new-frames f))]
|
||||
|
||||
[can-remove-frame?
|
||||
(opt-lambda (f)
|
||||
(let ([new-frames
|
||||
(mzlib:function:remove
|
||||
f frames
|
||||
(lambda (f fr) (eq? f (frame-frame fr))))])
|
||||
(if (null? new-frames)
|
||||
(empty-test)
|
||||
#t)))]
|
||||
[remove-frame
|
||||
(opt-lambda (f)
|
||||
(when (eq? f active-frame)
|
||||
(set! active-frame #f))
|
||||
(let ([new-frames
|
||||
(mzlib:function:remove
|
||||
f frames
|
||||
(lambda (f fr) (eq? f (frame-frame fr))))])
|
||||
(set! frames new-frames)
|
||||
(remove-windows-menu f)
|
||||
(update-windows-menus)
|
||||
(when (null? frames)
|
||||
(empty-close-down))))]
|
||||
[clear
|
||||
(lambda ()
|
||||
(and (empty-test)
|
||||
(begin (set! frames null)
|
||||
(empty-close-down)
|
||||
#t)))]
|
||||
[close-all
|
||||
(lambda ()
|
||||
(let/ec escape
|
||||
(for-each (lambda (f)
|
||||
(let ([frame (frame-frame f)])
|
||||
(if (send frame on-close)
|
||||
(send frame show #f)
|
||||
(escape #f))))
|
||||
frames)
|
||||
#t))]
|
||||
[new-frame
|
||||
(lambda (filename)
|
||||
(if (string? filename)
|
||||
(mred:handler:edit-file filename this #f
|
||||
(lambda (fn group)
|
||||
(make-object (get-frame%)
|
||||
fn #t group)))
|
||||
(make-object (get-frame%) filename #t this)))]
|
||||
[locate-file
|
||||
(lambda (name)
|
||||
(let* ([normalized
|
||||
;; allow for the possiblity of filenames that are urls
|
||||
(with-handlers ([(lambda (x) #t)
|
||||
(lambda (x) name)])
|
||||
(mzlib:file:normalize-path name))]
|
||||
[test-frame
|
||||
(lambda (frame)
|
||||
(and (ivar-in-class? 'get-edit (object-class frame))
|
||||
(let* ([edit (send frame get-edit)]
|
||||
[filename (send edit get-filename)])
|
||||
(and (ivar edit editing-this-file?)
|
||||
(string? filename)
|
||||
(string=? normalized
|
||||
(with-handlers ([(lambda (x) #t)
|
||||
(lambda (x) filename)])
|
||||
(mzlib:file:normalize-path
|
||||
filename)))))))])
|
||||
(let loop ([frames frames])
|
||||
(cond
|
||||
[(null? frames) #f]
|
||||
[else
|
||||
(let* ([frame (frame-frame (car frames))])
|
||||
(if (test-frame frame)
|
||||
frame
|
||||
(loop (cdr frames))))]))))]))))
|
||||
|
||||
(define the-frame-group (make-object frame-group%))
|
||||
|
||||
(define at-most-one-maker
|
||||
(lambda ()
|
||||
(let ([s (make-semaphore 1)]
|
||||
[test #f])
|
||||
(lambda (return thunk)
|
||||
(semaphore-wait s)
|
||||
(if test
|
||||
(begin (semaphore-post s)
|
||||
return)
|
||||
(begin
|
||||
(set! test #t)
|
||||
(semaphore-post s)
|
||||
(begin0 (thunk)
|
||||
(semaphore-wait s)
|
||||
(set! test #f)
|
||||
(semaphore-post s))))))))
|
||||
|
||||
(define at-most-one (at-most-one-maker))
|
||||
|
||||
(send the-frame-group set-empty-callbacks
|
||||
(lambda ()
|
||||
(at-most-one (void)
|
||||
(lambda () (mred:exit:exit #t))))
|
||||
(lambda ()
|
||||
(at-most-one #t
|
||||
(lambda ()
|
||||
(mred:exit:run-exit-callbacks)))))
|
||||
|
||||
(mred:exit:insert-exit-callback
|
||||
(lambda ()
|
||||
(at-most-one
|
||||
#t
|
||||
(lambda ()
|
||||
(send the-frame-group close-all))))))
|
||||
|
|
|
|||
|
|
@ -4,22 +4,31 @@
|
|||
|
||||
;; preferences
|
||||
|
||||
(preferences:set-default 'mred:autosave-delay 300 number?)
|
||||
(preferences:set-default 'mred:autosaving-on? #t
|
||||
(preferences:set-default 'framework:autosave-delay 300 number?)
|
||||
(preferences:set-default 'framework:autosaving-on? #t
|
||||
(lambda (x)
|
||||
(or (not x)
|
||||
(eq? x #t))))
|
||||
(preferences:set-default 'mred:verify-exit #t
|
||||
(preferences:set-default 'framework:verify-exit #t
|
||||
(lambda (x)
|
||||
(or (not x)
|
||||
(eq? x #t))))
|
||||
|
||||
|
||||
(preferences:set-default 'mred:delete-forward?
|
||||
(preferences:set-default 'framework:delete-forward?
|
||||
(not (eq? (system-type) 'unix))
|
||||
(lambda (x)
|
||||
(or (not x)
|
||||
(eq? x #t))))
|
||||
(preferences:set 'framework:show-periods-in-dirlist #f
|
||||
(lambda (x)
|
||||
(or (not x)
|
||||
(eq? x #t))))
|
||||
(preferences:set 'framework:file-dialogs
|
||||
(if (eq? wx:platform 'unix)
|
||||
'common
|
||||
'std)
|
||||
(lambda (x)
|
||||
(or (eq? x 'common)
|
||||
(eq? x 'std))))
|
||||
|
||||
(preferences:read)
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user