some renaming of classes and data types.

Accordion.hs

@@ -10,7 +10,7 @@
 -- Stability   :  unstable
 -- Portability :  unportable
 --
--- Layout that puts non-focused windows in ribbons at the top and bottom
+-- LayoutClass that puts non-focused windows in ribbons at the top and bottom
 -- of the screen.
 -----------------------------------------------------------------------------
 
@@ -34,7 +34,7 @@ import Data.Ratio
 
 data Accordion a = Accordion deriving ( Read, Show )
 
-instance Layout Accordion Window where
+instance LayoutClass Accordion Window where
     pureLayout _ sc ws = zip ups tops ++ [(W.focus ws, mainPane)] ++ zip dns bottoms
      where
        ups    = W.up ws

Circle.hs

@@ -33,7 +33,7 @@ import StackSet (integrate, peek)
 
 data Circle a = Circle deriving ( Read, Show )
 
-instance Layout Circle Window where
+instance LayoutClass Circle Window where
     doLayout Circle r s = do layout <- raiseFocus $ circleLayout r $ integrate s
                              return (layout, Nothing)
 

Combo.hs

@@ -50,15 +50,15 @@ import qualified StackSet as W ( differentiate )
 -- %import XMonadContrib.Combo
 -- %layout , combo (twoPane 0.03 0.5) [(full,1),(tabbed shrinkText defaultTConf,1)]
 
-combo :: (Eq a, Show a, Read a, ReadableSomeLayout a, Layout l (SomeLayout a, Int))
+combo :: (Eq a, Show a, Read a, ReadableLayout a, LayoutClass l (Layout a, Int))
-         => (l (SomeLayout a, Int)) -> [(SomeLayout a, Int)] -> Combo l a
+         => (l (Layout a, Int)) -> [(Layout a, Int)] -> Combo l a
 combo = Combo []
 
-data Combo l a = Combo [a] (l (SomeLayout a, Int)) [(SomeLayout a, Int)]
+data Combo l a = Combo [a] (l (Layout a, Int)) [(Layout a, Int)]
                  deriving ( Show, Read )
 
-instance (Eq a, Show a, Read a, ReadableSomeLayout a, Layout l (SomeLayout a, Int))
+instance (Eq a, Show a, Read a, ReadableLayout a, LayoutClass l (Layout a, Int))
-    => Layout (Combo l) a where
+    => LayoutClass (Combo l) a where
     doLayout (Combo f super origls) rinput s = arrange (integrate s)
         where arrange [] = return ([], Just $ Combo [] super origls)
               arrange [w] = return ([(w,rinput)], Just $ Combo [w] super origls)
@@ -89,7 +89,7 @@ instance (Eq a, Show a, Read a, ReadableSomeLayout a, Layout l (SomeLayout a, In
                            Just [super'] -> return $ Just $ Combo f super' $ maybe origls id mls'
                            _ -> return $ Combo f super `fmap` mls'
 
-broadcastPrivate :: Layout l b => SomeMessage -> [l b] -> X (Maybe [l b])
+broadcastPrivate :: LayoutClass l b => SomeMessage -> [l b] -> X (Maybe [l b])
 broadcastPrivate a ol = do nml <- mapM f ol
                            if any isJust nml
                               then return $ Just $ zipWith ((flip maybe) id) ol nml

DragPane.hs

@@ -63,7 +63,7 @@ data DragPane a =
 
 data DragType = Horizontal | Vertical deriving ( Show, Read )
 
-instance Layout DragPane Window where
+instance LayoutClass DragPane Window where
     doLayout d@(DragPane _ Vertical   _ _) = doLay id d
     doLayout d@(DragPane _ Horizontal _ _) = doLay mirrorRect d
     handleMessage = handleMess

DynamicWorkspaces.hs

@@ -21,7 +21,7 @@ module XMonadContrib.DynamicWorkspaces (
 
 import Control.Monad.State ( gets )
 
-import XMonad ( X, XState(..), SomeLayout, WorkspaceId )
+import XMonad ( X, XState(..), Layout, WorkspaceId )
 import Operations
 import StackSet hiding (filter, modify, delete)
 import Graphics.X11.Xlib ( Window )
@@ -37,7 +37,7 @@ import Graphics.X11.Xlib ( Window )
 allPossibleTags :: [WorkspaceId]
 allPossibleTags = map (:"") ['0'..]
 
-addWorkspace :: SomeLayout Window -> X ()
+addWorkspace :: Layout Window -> X ()
 addWorkspace l = do s <- gets windowset
                     let newtag:_ = filter (not . (`tagMember` s)) allPossibleTags
                     windows (addWorkspace' newtag l)

LayoutHints.hs

@@ -34,7 +34,7 @@ import XMonadContrib.LayoutModifier
 -- %layout , layoutHints $ tiled
 -- %layout , layoutHints $ mirror tiled
 
-layoutHints :: (Layout l a) => l a -> ModifiedLayout LayoutHints l a
+layoutHints :: (LayoutClass l a) => l a -> ModifiedLayout LayoutHints l a
 layoutHints = ModifiedLayout LayoutHints
 
 -- | Expand a size by the given multiple of the border width.  The

LayoutModifier.hs

@@ -28,8 +28,8 @@ import Operations ( LayoutMessages(Hide, ReleaseResources) )
 -- Use LayoutHelpers to help write easy Layouts.
 
 class (Show (m a), Read (m a)) => LayoutModifier m a where
-    modifyModify :: m a -> SomeMessage -> X (Maybe (m a))
+    handleMess :: m a -> SomeMessage -> X (Maybe (m a))
-    modifyModify m mess | Just Hide <- fromMessage mess             = doUnhook
+    handleMess m mess | Just Hide <- fromMessage mess             = doUnhook
                         | Just ReleaseResources <- fromMessage mess = doUnhook
                         | otherwise = return Nothing
      where doUnhook = do unhook m; return Nothing
@@ -43,7 +43,7 @@ class (Show (m a), Read (m a)) => LayoutModifier m a where
     modifierDescription :: m a -> String
     modifierDescription = show
 
-instance (LayoutModifier m a, Layout l a) => Layout (ModifiedLayout m l) a where
+instance (LayoutModifier m a, LayoutClass l a) => LayoutClass (ModifiedLayout m l) a where
     doLayout (ModifiedLayout m l) r s =
         do (ws, ml') <- doLayout l r s
            (ws', mm') <- redoLayout m r s ws
@@ -53,7 +53,7 @@ instance (LayoutModifier m a, Layout l a) => Layout (ModifiedLayout m l) a where
            return (ws', ml'')
     handleMessage (ModifiedLayout m l) mess =
         do ml' <- handleMessage l mess
-           mm' <- modifyModify m mess
+           mm' <- handleMess m mess
            return $ case mm' of
                     Just m' -> Just $ (ModifiedLayout m') $ maybe l id ml'
                     Nothing -> (ModifiedLayout m) `fmap` ml'

LayoutScreens.hs

@@ -56,7 +56,7 @@ import Graphics.X11.Xlib.Extras
 -- %keybind , ((modMask .|. shiftMask, xK_space), layoutScreens 2 (twoPane 0.5 0.5))
 -- %keybind , ((controlMask .|. modMask .|. shiftMask, xK_space), rescreen)
 
-layoutScreens :: Layout l Int => Int -> l Int -> X ()
+layoutScreens :: LayoutClass l Int => Int -> l Int -> X ()
 layoutScreens nscr _ | nscr < 1 = trace $ "Can't layoutScreens with only " ++ show nscr ++ " screens."
 layoutScreens nscr l =
     do rtrect <- asks theRoot >>= getWindowRectangle
@@ -77,7 +77,7 @@ getWindowRectangle w = withDisplay $ \d ->
 
 data FixedLayout a = FixedLayout [Rectangle] deriving (Read,Show)
 
-instance Layout FixedLayout a where
+instance LayoutClass FixedLayout a where
     doLayout (FixedLayout rs) _ s = return (zip (W.integrate s) rs, Nothing)
 
 fixedLayout :: [Rectangle] -> FixedLayout a

MagicFocus.hs

@@ -34,10 +34,10 @@ import StackSet
 
 data MagicFocus l a = MagicFocus (l a) deriving ( Show , Read )
 
-instance (Layout l Window) => Layout (MagicFocus l) Window where
+instance (LayoutClass l Window) => LayoutClass (MagicFocus l) Window where
           doLayout = magicFocus
 
-magicFocus :: Layout l Window => MagicFocus l Window -> Rectangle
+magicFocus :: LayoutClass l Window => MagicFocus l Window -> Rectangle
            -> Stack Window -> X ([(Window, Rectangle)], Maybe (MagicFocus l Window))
 magicFocus (MagicFocus l) r s = 
     withWindowSet $ \wset -> do

NoBorders.hs

@@ -63,10 +63,10 @@ instance LayoutModifier WithBorder Window where
      where
         ws = map fst wrs
 
-noBorders :: Layout l Window => l Window -> ModifiedLayout WithBorder l Window
+noBorders :: LayoutClass l Window => l Window -> ModifiedLayout WithBorder l Window
 noBorders = ModifiedLayout $ WithBorder 0 []
 
-withBorder :: Layout l a => Dimension -> l a -> ModifiedLayout WithBorder l a
+withBorder :: LayoutClass l a => Dimension -> l a -> ModifiedLayout WithBorder l a
 withBorder b = ModifiedLayout $ WithBorder b []
 
 setBorders :: Dimension -> [Window] -> X ()

Roledex.hs

@@ -36,7 +36,7 @@ import Data.Ratio
 
 data Roledex a = Roledex deriving ( Show, Read )
 
-instance Layout Roledex Window where
+instance LayoutClass Roledex Window where
     doLayout _ = roledexLayout
 
 roledexLayout :: Eq a => Rectangle -> W.Stack a -> X ([(a, Rectangle)], Maybe (Roledex a))

Spiral.hs

@@ -55,11 +55,11 @@ blend scale ratios = zipWith (+) ratios scaleFactors
       step = (scale - (1 % 1)) / (fromIntegral len)
       scaleFactors = map (* step) . reverse . take len $ [0..]
 
-spiral :: Rational -> Layout a
+spiral :: Rational -> LayoutClass a
 spiral = spiralWithDir East CW
 
-spiralWithDir :: Direction -> Rotation -> Rational -> Layout a
+spiralWithDir :: Direction -> Rotation -> Rational -> LayoutClass a
-spiralWithDir dir rot scale = Layout { doLayout = l2lModDo fibLayout,
+spiralWithDir dir rot scale = LayoutClass { doLayout = l2lModDo fibLayout,
                                        modifyLayout = \m -> return $ fmap resize $ fromMessage m }
     where
       fibLayout sc ws = zip ws rects

Square.hs

@@ -42,7 +42,7 @@ import StackSet ( integrate )
 
 data Square a = Square deriving ( Read, Show )
 
-instance Layout Square a where
+instance LayoutClass Square a where
     pureLayout Square r s = arrange (integrate s)
         where arrange ws@(_:_) = map (\w->(w,rest)) (init ws) ++ [(last ws,sq)]
               arrange [] = [] -- actually, this is an impossible case

Tabbed.hs

@@ -99,7 +99,7 @@ data Tabbed a =
     Tabbed (Invisible Maybe TabState) (Invisible Maybe Shrinker) TConf
     deriving (Show, Read)
 
-instance Layout Tabbed Window where
+instance LayoutClass Tabbed Window where
     doLayout (Tabbed ist ishr conf) = doLay ist ishr conf
     handleMessage                   = handleMess
     description _                   = "Tabbed"

ThreeColumns.hs

@@ -46,7 +46,7 @@ import Graphics.X11.Xlib
 
 data ThreeCol a = ThreeCol Int Rational Rational deriving (Show,Read)
 
-instance Layout ThreeCol a where
+instance LayoutClass ThreeCol a where
     doLayout (ThreeCol nmaster _ frac) r =
         return . (\x->(x,Nothing)) .
         ap zip (tile3 frac r nmaster . length) . W.integrate

TwoPane.hs

@@ -43,7 +43,7 @@ data TwoPane a =
     TwoPane Rational Rational 
     deriving ( Show, Read )
 
-instance Layout TwoPane a where
+instance LayoutClass TwoPane a where
     doLayout (TwoPane _ split) r s = return (arrange r s,Nothing)
         where
           arrange rect st = case reverse (up st) of

WindowNavigation.hs

@@ -93,7 +93,7 @@ instance LayoutModifier WindowNavigation Window where
            --mapM_ (\(w,c) -> sc c w) wnavigablec
            return (wrs, Just $ WindowNavigation $ I $ Just $ NS pt wnavigable)
 
-    modifyModify (WindowNavigation (I (Just (NS pt wrs)))) m
+    handleMess (WindowNavigation (I (Just (NS pt wrs)))) m
         | Just (Go d) <- fromMessage m =
                          case sortby d $ filter (inr d pt . snd) wrs of
                          [] -> return Nothing
@@ -105,8 +105,8 @@ instance LayoutModifier WindowNavigation Window where
                           mapM_ (sc (Just nbc) . fst) wrs
                           return $ Just $ WindowNavigation $ I $ Just $ NS pt []
         | Just ReleaseResources <- fromMessage m =
-               modifyModify (WindowNavigation (I $ Just (NS pt wrs))) (SomeMessage Hide)
+               handleMess (WindowNavigation (I $ Just (NS pt wrs))) (SomeMessage Hide)
-    modifyModify _ _ = return Nothing
+    handleMess _ _ = return Nothing
 
 truncHead (x:_) = [x]
 truncHead [] = []

WorkspaceDir.hs

@@ -60,10 +60,10 @@ data WorkspaceDir a = WorkspaceDir String deriving ( Read, Show )
 
 instance LayoutModifier WorkspaceDir a where
     hook (WorkspaceDir s) = scd s
-    modifyModify (WorkspaceDir _) m = return $ do Chdir wd <- fromMessage m
+    handleMess (WorkspaceDir _) m = return $ do Chdir wd <- fromMessage m
-                                                  Just (WorkspaceDir wd)
+                                                Just (WorkspaceDir wd)
 
-workspaceDir :: Layout l a => String -> l a
+workspaceDir :: LayoutClass l a => String -> l a
              -> ModifiedLayout WorkspaceDir l a
 workspaceDir s = ModifiedLayout (WorkspaceDir s)