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now we tap our feet ...

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svn: r6825
This commit is contained in:
Robby Findler 2007-07-05 16:04:12 +00:00
parent 59cd498e8a
commit eb0a20f126
1 changed files with 27 additions and 5 deletions
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32
collects/drscheme/private/stick-figures.ss
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@ -65,17 +65,39 @@
(left-toe 14 146)
(right-toe 109 132)))
(define running-points/2 running-points)
(define running-canvas%
(class canvas%
(inherit get-dc refresh)
(inherit get-dc refresh get-client-size)
(define/public (set-running r?)
(unless (eq? r? is-running?)
(set! is-running? r?)
(refresh)))
(define is-running? #f)
(define toggle? #t)
(define timer #f)
(define inside? #f)
(define/override (on-event evt)
(let-values ([(w h) (get-client-size)])
(let ([new-inside?
(and (<= 0 (send evt get-x) w)
(<= 0 (send evt get-y) h))]
[old-inside? inside?])
(set! inside? new-inside?)
(cond
[(and new-inside? (not old-inside?))
(unless is-running?
(set! timer
(new timer%
[notify-callback
(λ ()
(printf ".") (flush-output)
(set! toggle? (not toggle?))
(refresh))]
[interval 200])))]
[(and (not new-inside?) old-inside? timer)
(send timer stop)
(set! timer #f)]))))
(define-values (w h running-dx running-dy waiting-dx waiting-dy)
(get-size-parameters))
@ -328,7 +350,6 @@
(send (get-running-bitmap) save-file (build-path (collection-path "icons") "run.png") 'png)
(send f show #t))
#;
(let ()
(define f (new frame% [label ""]))
(define c (new running-canvas% [parent f]))
@ -340,7 +361,8 @@
[label "Wait"]
[parent f]
[callback (λ (x y) (send c set-running #f))])
(send c set-running #t)
(send f show #t))
#;(edit-points waiting-points)
#;(edit-points running-points))
#;(edit-points running-points/2))