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make TwoPane work with Layout class

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This commit is contained in:
Andrea Rossato
2007-09-22 12:42:10 +00:00
parent 62f6884423
commit 4c841078b3
1 changed files with 22 additions and 16 deletions
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22
TwoPane.hs
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@@ -17,7 +17,7 @@
module XMonadContrib.TwoPane ( module XMonadContrib.TwoPane (
-- * Usage -- * Usage
-- $usage -- $usage
twoPane TwoPane (..)
) where ) where
import XMonad import XMonad
@@ -32,13 +32,17 @@ import StackSet ( focus, up, down)
-- --
-- and add, to the list of layouts: -- and add, to the list of layouts:
-- --
-- > twoPane delta (1%2) -- > ,("twopane", SomeLayout $ TwoPane 0.03 0.5)
-- %import XMonadContrib.TwoPane -- %import XMonadContrib.TwoPane
-- %layout , twoPane delta (1%2) -- %layout , ,("twopane", SomeLayout $ TwoPane 0.03 0.5)
twoPane :: Rational -> Rational -> Layout a data TwoPane a =
twoPane delta split = Layout { doLayout = \r s -> return (arrange r s,Nothing), modifyLayout = message } TwoPane Rational Rational
deriving ( Show, Read )
instance Layout TwoPane a where
doLayout (TwoPane _ split) r s = return (arrange r s,Nothing)
where where
arrange rect st = case reverse (up st) of arrange rect st = case reverse (up st) of
(master:_) -> [(master,left),(focus st,right)] (master:_) -> [(master,left),(focus st,right)]
@@ -47,7 +51,9 @@ twoPane delta split = Layout { doLayout = \r s -> return (arrange r s,Nothing),
[] -> [(focus st, rect)] [] -> [(focus st, rect)]
where (left, right) = splitHorizontallyBy split rect where (left, right) = splitHorizontallyBy split rect
message x = return $ case fromMessage x of modifyLayout (TwoPane delta split) x =
Just Shrink -> Just (twoPane delta (split - delta)) return $ case fromMessage x of
Just Expand -> Just (twoPane delta (split + delta)) Just Shrink -> Just (TwoPane delta (split - delta))
Just Expand -> Just (TwoPane delta (split + delta))
_ -> Nothing _ -> Nothing