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re-arranged exit callbacks to fix bugs

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original commit: 698d9f5722deb10dcff6299cbc8c9e8e63eb0ae3
This commit is contained in:
Robby Findler 1997-05-19 16:54:32 +00:00
parent aed196dd52
commit 5854cf6ec5
1 changed files with 14 additions and 15 deletions
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29
collects/mred/exit.ss
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@ -34,28 +34,27 @@
[else (loop (cdr cb-list))])))))
(define -exit
(let ([exiting? #f])
(let*-values ([(exiting?) #f]
[(w capW)
(if (eq? wx:platform 'macintosh)
(values "quit" "Quit")
(values "exit" "Exit"))]
[(message)
(string-append "Are you sure you want to "
w
"?")])
(lambda ()
(unless exiting?
(dynamic-wind
(lambda () (set! exiting? #t))
(lambda ()
(let/ec k
(when (and (mred:preferences:get-preference 'mred:verify-exit)
(not (let ([w (if (eq? wx:platform 'macintosh)
"quit"
"exit")]
[capW (if (eq? wx:platform 'macintosh)
"Quit"
"Exit")])
(mred:gui-utils:get-choice
(string-append "Are you sure you want to " w "?")
capW "Cancel"))))
(k #f))
(when (mred:preferences:get-preference 'mred:verify-exit)
(unless (mred:gui-utils:get-choice
message capW "Cancel")
(k #f)))
(run-exit-callbacks)
(if (null? exit-callbacks)
(exit)
#f)))
(lambda () (set! exiting? #f))))))))
(lambda () (set! exiting? #f))))))))