diff options
Diffstat (limited to 'XMonad/Layout/LayoutModifier.hs')
| -rw-r--r-- | XMonad/Layout/LayoutModifier.hs | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/XMonad/Layout/LayoutModifier.hs b/XMonad/Layout/LayoutModifier.hs index 7d8c615..15b0619 100644 --- a/XMonad/Layout/LayoutModifier.hs +++ b/XMonad/Layout/LayoutModifier.hs @@ -11,7 +11,7 @@ -- Stability : unstable -- Portability : portable -- --- A module for writing easy Layouts +-- A module for writing easy Llayouts and layout modifiers ----------------------------------------------------------------------------- module XMonad.Layout.LayoutModifier ( @@ -25,13 +25,19 @@ import XMonad import XMonad.StackSet ( Stack ) -- $usage --- Use LayoutHelpers to help write easy Layouts. +-- Use LayoutModifier to help write easy Layouts. +-- +-- LayouModifier defines a class 'LayoutModifier'. Each method as a +-- default implementation. +-- +-- For usage examples you can see "XMonad.Layout.WorkspaceDir", +-- "XMonad.Layout.Magnifier", "XMonad.Layout.NoBorder", class (Show (m a), Read (m a)) => LayoutModifier m a where handleMess :: m a -> SomeMessage -> X (Maybe (m a)) handleMess m mess | Just Hide <- fromMessage mess = doUnhook - | Just ReleaseResources <- fromMessage mess = doUnhook - | otherwise = return Nothing + | Just ReleaseResources <- fromMessage mess = doUnhook + | otherwise = return Nothing where doUnhook = do unhook m; return Nothing handleMessOrMaybeModifyIt :: m a -> SomeMessage -> X (Maybe (Either (m a) SomeMessage)) handleMessOrMaybeModifyIt m mess = do mm' <- handleMess m mess |