On 12/03/13 08:18, edw...@kenworthy.info wrote:
(def current-live-cells (atom starting-live-cells))
(defn cells-changed
; called when current-live-cells changes
[k r o n]
(print "cells-changed called."))
(add-watch current-live-cells :log cells-changed)
yes that is close...mind you, it's better if you give a meaningful name
to your watch. I used :log because I'm logging boards...you should use
:on-update or :repaint or something along these lines for your use-case....
On a side note, if you plan to bother with a gui, then you must have a
look at seesaw...you won't have to use watchers there as you can specify
what to 'listen' for and how to react on events with higher order
functions...this is exactly the reason my board-history atom doesn't
have a :on-update watch and only bothers with logging...I'm taking care
of repainting logic elsewhere....
Jim
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