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add a hook to LayoutHelpers.

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David Roundy
2007-09-23 12:17:23 +00:00
parent 92834a2493
commit 89f89021ab
1 changed files with 3 additions and 1 deletions
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4
LayoutHelpers.hs
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@@ -33,7 +33,9 @@ class (Show (m l a), Read (m l a), Layout l a) => LayoutModifier m l a where
modifyModify _ _ = return Nothing
redoLayout :: m l a -> Rectangle -> Stack a -> [(a, Rectangle)]
-> X ([(a, Rectangle)], Maybe (l a -> m l a))
redoLayout _ _ _ wrs = return (wrs, Nothing)
redoLayout m _ _ wrs = do hook m; return (wrs, Nothing)
hook :: m l a -> X ()
hook _ = return ()
instance LayoutModifier m l a => Layout (m l) a where
doLayout m r s = do (ws, ml') <- doLayout (extractLayout m) r s