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adjust changes in 8027e48 so that we see intermediate

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output during flushes instead of collecting the entire
contents of the buffer before flushing (at least in the
more common case)
This commit is contained in:
Robby Findler 2014-11-25 22:15:57 -06:00
parent 0083f1c9ae
commit a12f77f36e
1 changed files with 16 additions and 13 deletions
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23
pkgs/gui-pkgs/gui-lib/framework/private/text.rkt
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@ -2647,21 +2647,24 @@
(split-queue converter q))
(cond
[flush-keep-trying?
(cons viable-bytes (loop next-remaining-queue))]
[else
(set! remaining-queue next-remaining-queue)
(list viable-bytes)])))
(cond
[(channel? return-evt/to-insert-chan)
(channel-put return-evt/to-insert-chan viable-bytess)]
(cons viable-bytes (loop next-remaining-queue))]
[else
(let loop ([viable-bytess viable-bytess])
(define c (make-channel))
(queue-insertion viable-bytes c)
(channel-put c #f)
(loop next-remaining-queue)])]
[else
(set! remaining-queue next-remaining-queue)
(cond
[(null? (cdr viable-bytess))
(queue-insertion (car viable-bytess) return-evt/to-insert-chan)]
[(channel? return-evt/to-insert-chan)
(list viable-bytes)]
[else
(queue-insertion (car viable-bytess) always-evt)
(loop (cdr viable-bytess))]))])
(queue-insertion viable-bytes return-evt/to-insert-chan)
#f])])))
(when (channel? return-evt/to-insert-chan)
(channel-put return-evt/to-insert-chan viable-bytess))
(loop remaining-queue (current-inexact-milliseconds))))
(handle-evt
clear-output-chan