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Prompt: clean up and optimize moveWord a bit

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This commit is contained in:
Andrea Rossato 2008-01-13 16:47:45 +00:00
parent 06b3767cae
commit 1e7cd73544
1 changed files with 6 additions and 10 deletions
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16
XMonad/Prompt.hs
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@ -404,17 +404,13 @@ moveWord d = do
c <- gets command
o <- gets offset
let (f,ss) = splitAt o c
lp = length . reverse . fst . break isSpace
ln = length . fst . break isSpace
prev s = case reverse s of
' ':x -> 1 + (lp x)
x -> lp x
next s = case s of
' ':x -> 1 + (ln x)
x -> ln x
lenToS = length . fst . break isSpace
ln p s = case p s of
' ':x -> 1 + lenToS x
x -> lenToS x
newoff = case d of
Prev -> o - prev f
_ -> o + next ss
Prev -> o - (ln reverse f )
_ -> o + (ln id ss)
modify $ \s -> s { offset = newoff }
moveHistory :: Direction -> XP ()