introduce idModify which is just "const (return Nothing)".

darcs-hash:20070623143542-72aca-b1bc6ffaf524ee9c1f4ac7e04d8224e02bba0b1b.gz

2 files changed, 10 insertions, 2 deletions

diff --git a/LayoutHelpers.hs b/LayoutHelpers.hs
index e134deb..86cd295 100644
--- a/LayoutHelpers.hs
+++ b/LayoutHelpers.hs
@@ -16,7 +16,7 @@ module XMonadContrib.LayoutHelpers (
     -- $usage
     DoLayout, ModDo, ModMod, ModLay,
     layoutModify,
-    l2lModDo,
+    l2lModDo, idModify,
     idModMod,
     ) where
 
@@ -58,5 +58,8 @@ l2lModDo :: (Rectangle -> [a] -> [(a,Rectangle)]) -> DoLayout a
 --l2lModDo dl r s = return (dl r $ integrate s, Nothing)
 l2lModDo dl r s = return (dl r $ integrate s)
 
+idModify :: ModifyLayout a
+idModify _ = return Nothing
+
 idModMod :: ModMod a
 idModMod _ = return Nothing
diff --git a/Square.hs b/Square.hs
index 4da5130..389b2f2 100644
--- a/Square.hs
+++ b/Square.hs
@@ -40,8 +40,13 @@ import XMonadContrib.LayoutHelpers ( l2lModDo )
 -- >                    ,(combo [(twoPane 0.03 0.8,1),(square,1)]
 -- >                                (mirror $ twoPane 0.03 0.85),1)] (twoPane 0.03 0.5) )
 
+import XMonad
+import Graphics.X11.Xlib
+import StackSet ( integrate )
+import XMonadContrib.LayoutHelpers ( l2lModDo )
+
 square :: Layout a
-square = Layout { doLayout = l2lModDo arrange, modifyLayout = const (return Nothing) }
+square = Layout { doLayout = l2lModDo arrange, modifyLayout = idModify }
  where arrange :: Rectangle -> [a] -> [(a, Rectangle)]
        arrange rect ws@(_:_) = map (\w->(w,rest)) (init ws) ++ [(last ws,sq)]
                  where (rest, sq) = splitSquare rect