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some performance improvements for the new drracket blueboxes

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specifically, it doesn't trigger redrawing of the screen
as aggressively, which seems to make a little difference
under mac os x.

I'd have liked to be more sophisticated in the way redraws
are triggered, but I don't see how (see long comment in this
commit for details)
This commit is contained in:
Robby Findler 2012-08-16 19:15:26 -05:00
parent 25e4115f32
commit 01e7edeff1
1 changed files with 74 additions and 24 deletions
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98
collects/drracket/private/syncheck/contract-gui.rkt
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@ -195,7 +195,9 @@
(class %
(inherit get-canvas get-admin get-style-list
dc-location-to-editor-location get-dc
get-start-position get-end-position)
get-start-position get-end-position
begin-edit-sequence end-edit-sequence
invalidate-bitmap-cache)
(define locked? (preferences:get 'drracket:syncheck:contracts-locked?))
(define mouse-in-blue-box? #f)
@ -211,33 +213,72 @@
(define/public (get-show-docs?) (and the-strs (or locked? mouse-in-blue-box?)))
(define/public (toggle-syncheck-docs)
(when locked?
(set! mouse-in-blue-box? #f)
(define c (get-canvas))
(when c (send c refresh)))
(begin-edit-sequence)
(invalidate-blue-box-region)
(cond
[locked?
(set! mouse-in-blue-box? #f)]
[else
(update-the-strs)])
(update-locked (not locked?))
(when last-evt-seen
(update-mouse-in-blue-box (in-blue-box? last-evt-seen))
(define-values (is-in-lock? is-in-read-more?) (in-lock/in-read-more? last-evt-seen))
(update-mouse-in-lock-icon/read-more? is-in-lock? is-in-read-more?)))
(update-mouse-in-lock-icon/read-more? is-in-lock? is-in-read-more?))
(invalidate-blue-box-region)
(end-edit-sequence))
(define/public (update-mouse-in-blue-box b)
(unless (equal? b mouse-in-blue-box?)
(begin-edit-sequence)
(invalidate-blue-box-region)
(set! mouse-in-blue-box? b)
(define c (get-canvas))
(when c (send c refresh))))
(invalidate-blue-box-region)
(end-edit-sequence)))
(define/public (update-locked b)
(preferences:set 'drracket:syncheck:contracts-locked? b)
(unless (equal? b locked?)
(begin-edit-sequence)
(invalidate-blue-box-region)
(set! locked? b)
(define c (get-canvas))
(when c (send c refresh))))
(invalidate-blue-box-region)
(end-edit-sequence)))
(define/public (update-mouse-in-lock-icon/read-more? lk? rm?)
(unless (and (equal? lk? mouse-in-lock-icon?)
(equal? rm? mouse-in-read-more?))
(begin-edit-sequence)
(invalidate-blue-box-region)
(set! mouse-in-lock-icon? lk?)
(set! mouse-in-read-more? rm?)
(define c (get-canvas))
(when c (send c refresh))))
(invalidate-blue-box-region)
(end-edit-sequence)))
(define/private (invalidate-blue-box-region)
(define c (get-canvas))
(when c (send c refresh))
;; the code below is what I'd like to do here,
;; but this doesn't redraw the margin (the part
;; of the editor-canvas that is always outside
;; of th editor) and it doesn't seem possible to
;; trigger a redraw of that part without also
;; triggering a redraw of the entire editor
;; so we just do that instead (above)
#;
(begin
(define-values (br bt _1 _2) (get-box-upper-right-and-lock-coordinates))
(when (and bt br)
(cond
[(get-show-docs?)
(define-values (box-width box-height label-overlap?)
(get-blue-box-size (get-dc) (get-style-list) the-strs))
(define x (- br box-width shadow-size))
(invalidate-bitmap-cache (max x 0)
(max bt 0)
(+ box-width shadow-size)
(+ box-height shadow-size))]
[the-strs
(define size (+ corner-radius shadow-size))
(invalidate-bitmap-cache (max 0 (- br size)) (max 0 bt) size size)]))))
(define bx (box 0))
(define by (box 0))
@ -246,16 +287,12 @@
(define docs-im (make-interval-map))
(define/public (syncheck:reset-docs-im)
(set! docs-im (make-interval-map))
(define c (get-canvas))
(when c (send c refresh)))
(set! docs-im (make-interval-map)))
(define/public (syncheck:add-docs-range start end tag visit-docs-url)
;; the +1 to end is effectively assuming that there
;; are no abutting identifiers with documentation
(define rng (list start (+ end 1) tag visit-docs-url))
(interval-map-set! docs-im start (+ end 1) rng)
(define c (get-canvas))
(when c (send c refresh)))
(interval-map-set! docs-im start (+ end 1) rng))
(define/override (on-paint before? dc left top right bottom dx dy draw-caret)
(super on-paint before? dc left top right bottom dx dy draw-caret)
@ -339,9 +376,19 @@
[else
(super on-event evt)]))
(define timer (new timer%
[notify-callback
(λ ()
(set! timer-running? #f)
(update-the-strs))]))
(define timer-running? #f)
(define/augment (after-set-position)
(inner (void) after-set-position)
(update-the-strs))
(when (or locked?
(not the-strs))
(unless timer-running?
(set! timer-running? #t)
(send timer start 300 #t))))
(define/public (syncheck:update-blue-boxes)
(update-the-strs))
@ -357,6 +404,8 @@
(define new-visit-docs-url (list-ref tag+rng 3))
(define new-strs (fetch-strs tag))
(when new-strs
(begin-edit-sequence)
(invalidate-blue-box-region)
(set! the-strs new-strs)
(set! the-strs-id-start ir-start)
(set! the-strs-id-end ir-end)
@ -365,8 +414,8 @@
(update-mouse-in-blue-box (in-blue-box? last-evt-seen))
(define-values (is-in-lock? is-in-read-more?) (in-lock/in-read-more? last-evt-seen))
(update-mouse-in-lock-icon/read-more? is-in-lock? is-in-read-more?))
(define c (get-canvas))
(when c (send c refresh))))))
(invalidate-blue-box-region)
(end-edit-sequence)))))
(define/augment (on-insert where len)
(clear-im-range where len)
@ -395,11 +444,13 @@
(< where the-strs-id-end))
(and delete? (<= the-strs-id-start (+ where len) the-strs-id-end)))
(when the-strs
(begin-edit-sequence)
(invalidate-blue-box-region)
(set! the-strs #f)
(set! the-strs-id-start #f)
(set! the-strs-id-end #f)
(define c (get-canvas))
(when c (send c refresh)))))
(invalidate-blue-box-region)
(end-edit-sequence))))
(define/private (clear-im-range where len)
(for ([x (in-range len)])
@ -542,7 +593,6 @@
show-lock? mouse-in-lock-icon? mouse-in-read-more? locked?
left top right bottom)
(define-values (box-width box-height label-overlap?)
(get-blue-box-size dc sl strs))