Merge emptyLayoutMod into redoLayout

This removes the emptyLayoutMod method from the LayoutModifier class, and
change the Stack parameter to redoLayout to a Maybe Stack one. It also changes
all affected code. This should should be a refactoring without any change in
program behaviour.

darcs-hash:20081005190220-23c07-4701517e3433ecff8c999da75ac582f6f1b65c19.gz

1 files changed, 2 insertions, 1 deletions

diff --git a/XMonad/Layout/LayoutHints.hs b/XMonad/Layout/LayoutHints.hs
index 3558cc2..d263f3c 100644
--- a/XMonad/Layout/LayoutHints.hs
+++ b/XMonad/Layout/LayoutHints.hs
@@ -46,7 +46,8 @@ data LayoutHints a = LayoutHints deriving (Read, Show)
 
 instance LayoutModifier LayoutHints Window where
     modifierDescription _ = "Hinted"
-    redoLayout _ _ s xs = do
+    redoLayout _ _ Nothing  xs = return (xs, Nothing)
+    redoLayout _ _ (Just s) xs = do
                             xs' <- mapM applyHint xs
                             return (xs', Nothing)
      where