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better file-extension support for Mac OS X put-file dialog

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svn: r12638

original commit: 7f4ddbe5fa8d9d604dccc3fe3c96450497579245
This commit is contained in:
Matthew Flatt 2008-11-29 18:52:25 +00:00
parent 2372874c40
commit 2d0a0481b4
1 changed files with 13 additions and 11 deletions
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24
collects/scribblings/gui/dialog-funcs.scrbl
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@ -118,22 +118,24 @@ Under Windows, if @scheme[extension] is not @scheme[#f], the returned path
is @scheme[(string-append "*." extension)], then the result pathname is guaranteed
to have an extension mapping @scheme[extension].
Under Mac OS X, if @scheme[extension] is not @scheme[#f]
and @scheme[filters] contains the single
pattern @scheme[(string-append "*." extension)], then the result pathname is
guaranteed to have an extension mapping @scheme[extension]. Otherwise,
@scheme[extension] and @scheme[filters] are ignored.
Under Mac OS X, if @scheme[extension] is not @scheme[#f], the returned
path will get a default extension if the user does not supply one.
If @scheme[filters] contains as @scheme["*.*"] pattern, then the user
can supply any extension that is recognized by the system; otherwise,
the extension on the returned path will be either @scheme[extension]
or @scheme[_other-extension] for any @scheme[(string-append "*."
_other-extension)] pattern in @scheme[filters]. In particular, if the
only pattern in @scheme[filters] is empty or contains only
@scheme[(string-append "*." extension)], then the result pathname is
guaranteed to have an extension mapping @scheme[extension].
The @scheme[extension] argument is ignored under X, and @scheme[filters]
can be used to specify glob-patterns.
The @scheme[extension] argument is ignored under X, and
@scheme[filters] can be used to specify glob-patterns.
The @scheme[style] list is treated as for
@scheme[get-file].
The @scheme[style] list is treated as for @scheme[get-file].
See also @scheme[path-dialog%].
}
@defproc[(get-directory [message (or/c string? false/c) #f]