I'm writing a crossword editor that provides a list of suggestions to
fill in the current word. This is displayed in a listbox to the right
of the grid, and every time the cursor is moved, I update it via
(def update-wlist #(let [w (take 26 (words-with (current-word)))]
(. words setListData (to-array w))))
This is slowing my UI down very badly - there is a noticeable lag
between hitting a key and having the cursor move. The bottleneck seems
to be to-array, since replacing it with
(def update-wlist #(let [w (take 26 (words-with (current-word)))]
(to-array w)))
is still slow, but dropping down to
(def wlistdata (to-array (take 26 (words-with "..............."))))
(def update-wlist #(let [w (take 26 (words-with (current-word)))]
(. words setListData wlistdata)))
leaves everything running smoothly. Is there a more efficient way to do this?
This is the definition of words-with:
(def wordlist (split (slurp "csw.txt") #"\n"))
(defn words-with [re]
(filter #(re-matches (re-pattern re) %) wordlist))
so if there's some equivalent that directly outputs a java array, that
would likely solve my problem. I'm open to all suggestions, though.
martin
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