modifyLayout -> handleMessage.

Combo.hs

@@ -79,7 +79,7 @@ instance (Eq a, Show a, Read a, ReadableSomeLayout a, Layout l (SomeLayout a, In
                                                                    , down = tail $ dropWhile (/=z) xs }
                                       | otherwise = differentiate zs xs
               differentiate [] xs = W.differentiate xs
-    modifyLayout (Combo f super origls) m =
+    handleMessage (Combo f super origls) m =
                       do mls <- broadcastPrivate m (map fst origls)
                          let mls' = (\x->zipWith first (map const x) origls) `fmap` mls
                          msuper <- broadcastPrivate m [super]
@@ -92,4 +92,4 @@ broadcastPrivate a ol = do nml <- mapM f ol
                            if any isJust nml
                               then return $ Just $ zipWith ((flip maybe) id) ol nml
                               else return Nothing
-    where f l = modifyLayout l a `catchX` return Nothing
+    where f l = handleMessage l a `catchX` return Nothing

LayoutModifier.hs

@@ -45,8 +45,8 @@ instance (LayoutModifier m a, Layout l a) => Layout (ModifiedLayout m l) a where
                       Just m' -> Just $ (ModifiedLayout m') $ maybe l id ml'
                       Nothing -> ModifiedLayout m `fmap` ml'
            return (ws', ml'')
-    modifyLayout (ModifiedLayout m l) mess =
-        do ml' <- modifyLayout l mess
+    handleMessage (ModifiedLayout m l) mess =
+        do ml' <- handleMessage l mess
            mm' <- modifyModify m mess
            return $ case mm' of
                     Just m' -> Just $ (ModifiedLayout m') $ maybe l id ml'

NewTabbed.hs

@@ -95,7 +95,7 @@ data Tabbed a =
 
 instance Layout Tabbed Window where
     doLayout (Tabbed mst conf) = doLay mst conf
-    modifyLayout l m           = modLay l m
+    handleMessage l m           = modLay l m
 
 instance Read FontStruct where
     readsPrec _ _ = []

ThreeColumns.hs

@@ -48,7 +48,7 @@ instance Layout ThreeCol a where
     doLayout (ThreeCol nmaster _ frac) r =
         return . (\x->(x,Nothing)) .
         ap zip (tile3 frac r nmaster . length) . W.integrate
-    modifyLayout (ThreeCol nmaster delta frac) m =
+    handleMessage (ThreeCol nmaster delta frac) m =
         return $ msum [fmap resize     (fromMessage m)
                       ,fmap incmastern (fromMessage m)]
             where resize Shrink = ThreeCol nmaster delta (max 0 $ frac-delta)

TwoPane.hs

@@ -51,7 +51,7 @@ instance Layout TwoPane a where
                                       [] -> [(focus st, rect)]
               where (left, right) = splitHorizontallyBy split rect
 
-    modifyLayout (TwoPane delta split) x = 
+    handleMessage (TwoPane delta split) x = 
         return $ case fromMessage x of
                    Just Shrink -> Just (TwoPane delta (split - delta))
                    Just Expand -> Just (TwoPane delta (split + delta))