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Wrap highlighting in an edit sequence.

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Speeds up display.
This commit is contained in:
Vincent St-Amour 2012-07-23 17:17:49 -04:00
parent 70f8f4d743
commit 73942fcfa8
1 changed files with 4 additions and 1 deletions
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5
collects/typed-racket/optimizer/tool/tool.rkt
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@ -63,7 +63,8 @@
(mixin (text:basic<%> drracket:unit:definitions-text<%>) ()
(inherit highlight-range unhighlight-range
get-tab get-canvas get-pos/text
position-line line-end-position)
position-line line-end-position
begin-edit-sequence end-edit-sequence)
(define highlights '()) ; (listof `(,start ,end ,popup-fun))
(define clear-thunks '()) ; list of thunks that clear highlights
@ -124,9 +125,11 @@
(apply max (cons 0 (map report-entry-badness report))))
(unless (= max-badness 0) ; no missed opts, color table code would error
(set! color-table (make-color-table max-badness)))
(begin-edit-sequence)
(set! clear-thunks (for/fold ([res '()])
([r (in-list report)])
(append (highlight-entry r) res)))
(end-edit-sequence)
(set! on? #t))
(define/public (clear-highlights)