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ManageDocks: implement AvoidStruts as a layout modifier

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This commit is contained in:
Andrea Rossato
2008-01-27 14:43:01 +00:00
parent 18921e16c9
commit 14d7231dd0
1 changed files with 11 additions and 17 deletions
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28
XMonad/Hooks/ManageDocks.hs
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@@ -26,6 +26,7 @@ import XMonad
import Foreign.C.Types (CLong) import Foreign.C.Types (CLong)
-- import Data.Maybe (catMaybes, fromMaybe) -- import Data.Maybe (catMaybes, fromMaybe)
import Control.Monad import Control.Monad
import XMonad.Layout.LayoutModifier
-- $usage -- $usage
-- To use this module, add the following import to @~\/.xmonad\/xmonad.hs@: -- To use this module, add the following import to @~\/.xmonad\/xmonad.hs@:
@@ -121,29 +122,22 @@ c2r :: RectC -> Rectangle
c2r (x1, y1, x2, y2) = Rectangle (fi x1) (fi y1) (fi $ x2 - x1) (fi $ y2 - y1) c2r (x1, y1, x2, y2) = Rectangle (fi x1) (fi y1) (fi $ x2 - x1) (fi $ y2 - y1)
-- | Adjust layout automagically. -- | Adjust layout automagically.
avoidStruts :: LayoutClass l a => l a -> AvoidStruts l a avoidStruts :: LayoutClass l a => l a -> ModifiedLayout AvoidStruts l a
avoidStruts = AvoidStruts True avoidStruts = ModifiedLayout (AvoidStruts True)
data AvoidStruts l a = AvoidStruts Bool (l a) deriving ( Read, Show ) data AvoidStruts a = AvoidStruts Bool deriving ( Read, Show )
data ToggleStruts = ToggleStruts deriving (Read,Show,Typeable) data ToggleStruts = ToggleStruts deriving (Read,Show,Typeable)
instance Message ToggleStruts instance Message ToggleStruts
instance LayoutClass l a => LayoutClass (AvoidStruts l) a where instance LayoutModifier AvoidStruts a where
doLayout (AvoidStruts True lo) r s = modifyLayout (AvoidStruts b) l r s = do
do rect <- fmap ($ r) calcGap nr <- if b then fmap ($ r) calcGap else return r
(wrs,mlo') <- doLayout lo rect s doLayout l nr s
return (wrs, AvoidStruts True `fmap` mlo')
doLayout (AvoidStruts False lo) r s = do (wrs,mlo') <- doLayout lo r s
return (wrs, AvoidStruts False `fmap` mlo')
handleMessage (AvoidStruts b l) m
| Just ToggleStruts <- fromMessage m = return $ Just $ AvoidStruts (not b) l
| otherwise = do ml' <- handleMessage l m
return (AvoidStruts b `fmap` ml')
description (AvoidStruts _ l) = description l
emptyLayout (AvoidStruts b l) r = do (wrs,ml) <- emptyLayout l r handleMess (AvoidStruts b ) m
return (wrs, AvoidStruts b `fmap` ml) | Just ToggleStruts <- fromMessage m = return $ Just $ AvoidStruts (not b)
| otherwise = return Nothing
data Side = L | R | T | B data Side = L | R | T | B