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-rw-r--r--Main.hs2
-rw-r--r--XMonad.hs298
-rw-r--r--XMonad/Config.hs4
-rw-r--r--XMonad/Core.hs517
-rw-r--r--XMonad/Layouts.hs2
-rw-r--r--XMonad/Main.hs277
-rw-r--r--XMonad/Operations.hs2
-rw-r--r--xmonad.cabal5
8 files changed, 560 insertions, 547 deletions
diff --git a/Main.hs b/Main.hs
index 40578f6..56df3cd 100644
--- a/Main.hs
+++ b/Main.hs
@@ -14,7 +14,7 @@
module Main (main) where
-import XMonad.Core
+import XMonad.Main
import XMonad.Config
import Control.Exception (handle)
diff --git a/XMonad.hs b/XMonad.hs
index 97e80be..4d1d21c 100644
--- a/XMonad.hs
+++ b/XMonad.hs
@@ -1,294 +1,12 @@
-{-# LANGUAGE ExistentialQuantification, FlexibleInstances, GeneralizedNewtypeDeriving,
- MultiParamTypeClasses, TypeSynonymInstances #-}
--- required for deriving Typeable
-{-# OPTIONS_GHC -fglasgow-exts #-}
-
------------------------------------------------------------------------------
--- |
--- Module : XMonad.hs
--- Copyright : (c) Spencer Janssen 2007
--- License : BSD3-style (see LICENSE)
---
--- Maintainer : sjanssen@cse.unl.edu
--- Stability : unstable
--- Portability : not portable, uses cunning newtype deriving
---
--- The X monad, a state monad transformer over IO, for the window
--- manager state, and support routines.
---
------------------------------------------------------------------------------
-
module XMonad (
- X, WindowSet, WindowSpace, WorkspaceId, ScreenId(..), ScreenDetail(..), XState(..), XConf(..), XConfig(..), LayoutClass(..), Layout(..), readsLayout, Typeable, Message, SomeMessage(..), fromMessage, runLayout, LayoutMessages(..),
- runX, catchX, userCode, io, catchIO, withDisplay, withWindowSet, isRoot, getAtom, spawn, restart, trace, whenJust, whenX,
- atom_WM_STATE, atom_WM_PROTOCOLS, atom_WM_DELETE_WINDOW
- ) where
-
-import XMonad.StackSet
-
-import Prelude hiding ( catch )
-import Control.Exception (catch, throw, Exception(ExitException))
-import Control.Monad.State
-import Control.Monad.Reader
-import System.IO
-import System.Posix.Process (executeFile, forkProcess, getProcessStatus, createSession)
-import System.Exit
-import System.Environment
-import Graphics.X11.Xlib
-import Graphics.X11.Xlib.Extras (Event)
-import Data.Typeable
-
-import qualified Data.Map as M
-import qualified Data.Set as S
-
--- | XState, the window manager state.
--- Just the display, width, height and a window list
-data XState = XState
- { windowset :: !WindowSet -- ^ workspace list
- , mapped :: !(S.Set Window) -- ^ the Set of mapped windows
- , waitingUnmap :: !(M.Map Window Int) -- ^ the number of expected UnmapEvents
- , dragging :: !(Maybe (Position -> Position -> X (), X ())) }
-
-data XConf = XConf
- { display :: Display -- ^ the X11 display
- , config :: !XConfig -- ^ initial user configuration
- , theRoot :: !Window -- ^ the root window
- , normalBorder :: !Pixel -- ^ border color of unfocused windows
- , focusedBorder :: !Pixel -- ^ border color of the focused window
- , keyActions :: !(M.Map (KeyMask, KeySym) (X ()))
- -- ^ a mapping of key presses to actions
- , buttonActions :: !(M.Map (KeyMask, Button) (Window -> X ()))
- -- ^ a mapping of button presses to actions
- }
-
--- todo, better name
-data XConfig = XConfig
- { normalBorderColor :: !String
- , focusedBorderColor :: !String
- , terminal :: !String
- , layoutHook :: !(Layout Window)
- , manageHook :: Window -> String -> String -> String -> X (WindowSet -> WindowSet)
- , workspaces :: [String]
- , defaultGaps :: [(Int,Int,Int,Int)]
- , numlockMask :: !KeyMask
- , modMask :: !KeyMask
- , keys :: XConfig -> M.Map (ButtonMask,KeySym) (X ())
- , mouseBindings :: XConfig -> M.Map (ButtonMask, Button) (Window -> X ())
- , borderWidth :: !Dimension
- , logHook :: X ()
- }
-
-type WindowSet = StackSet WorkspaceId (Layout Window) Window ScreenId ScreenDetail
-type WindowSpace = Workspace WorkspaceId (Layout Window) Window
-
--- | Virtual workspace indicies
-type WorkspaceId = String
-
--- | Physical screen indicies
-newtype ScreenId = S Int deriving (Eq,Ord,Show,Read,Enum,Num,Integral,Real)
-
--- | TODO Comment me
-data ScreenDetail = SD { screenRect :: !Rectangle
- , statusGap :: !(Int,Int,Int,Int) -- ^ width of status bar on the screen
- } deriving (Eq,Show, Read)
-
-------------------------------------------------------------------------
-
--- | The X monad, a StateT transformer over IO encapsulating the window
--- manager state
---
--- Dynamic components may be retrieved with 'get', static components
--- with 'ask'. With newtype deriving we get readers and state monads
--- instantiated on XConf and XState automatically.
---
-newtype X a = X (ReaderT XConf (StateT XState IO) a)
- deriving (Functor, Monad, MonadIO, MonadState XState, MonadReader XConf)
-
--- | Run the X monad, given a chunk of X monad code, and an initial state
--- Return the result, and final state
-runX :: XConf -> XState -> X a -> IO (a, XState)
-runX c st (X a) = runStateT (runReaderT a c) st
-
--- | Run in the X monad, and in case of exception, and catch it and log it
--- to stderr, and run the error case.
-catchX :: X a -> X a -> X a
-catchX job errcase = do
- st <- get
- c <- ask
- (a, s') <- io $ runX c st job `catch` \e -> case e of
- ExitException {} -> throw e
- _ -> do hPrint stderr e; runX c st errcase
- put s'
- return a
-
--- | Execute the argument, catching all exceptions. Either this function or
--- catchX should be used at all callsites of user customized code.
-userCode :: X () -> X ()
-userCode a = catchX (a >> return ()) (return ())
-
--- ---------------------------------------------------------------------
--- Convenient wrappers to state
-
--- | Run a monad action with the current display settings
-withDisplay :: (Display -> X a) -> X a
-withDisplay f = asks display >>= f
-
--- | Run a monadic action with the current stack set
-withWindowSet :: (WindowSet -> X a) -> X a
-withWindowSet f = gets windowset >>= f
-
--- | True if the given window is the root window
-isRoot :: Window -> X Bool
-isRoot w = liftM (w==) (asks theRoot)
-
--- | Wrapper for the common case of atom internment
-getAtom :: String -> X Atom
-getAtom str = withDisplay $ \dpy -> io $ internAtom dpy str False
-
--- | Common non-predefined atoms
-atom_WM_PROTOCOLS, atom_WM_DELETE_WINDOW, atom_WM_STATE :: X Atom
-atom_WM_PROTOCOLS = getAtom "WM_PROTOCOLS"
-atom_WM_DELETE_WINDOW = getAtom "WM_DELETE_WINDOW"
-atom_WM_STATE = getAtom "WM_STATE"
-
-------------------------------------------------------------------------
--- | LayoutClass handling. See particular instances in Operations.hs
-
--- | An existential type that can hold any object that is in Read and LayoutClass.
-data Layout a = forall l. (LayoutClass l a, Read (l a)) => Layout (l a)
-
--- | Using the 'Layout' as a witness, parse existentially wrapped windows
--- from a 'String'
-readsLayout :: Layout a -> String -> [(Layout a, String)]
-readsLayout (Layout l) s = [(Layout (asTypeOf x l), rs) | (x, rs) <- reads s]
-
--- | The different layout modes
---
--- 'doLayout': given a Rectangle and a Stack, layout the stack elements
--- inside the given Rectangle. If an element is not given a Rectangle
--- by 'doLayout', then it is not shown on screen. Windows are restacked
--- according to the order they are returned by 'doLayout'.
---
-class Show (layout a) => LayoutClass layout a where
-
- -- | Given a Rectangle in which to place the windows, and a Stack of
- -- windows, return a list of windows and their corresponding Rectangles.
- -- The order of windows in this list should be the desired stacking order.
- -- Also return a modified layout, if this layout needs to be modified
- -- (e.g. if we keep track of the windows we have displayed).
- doLayout :: layout a -> Rectangle -> Stack a -> X ([(a, Rectangle)], Maybe (layout a))
- doLayout l r s = return (pureLayout l r s, Nothing)
-
- -- | This is a pure version of doLayout, for cases where we don't need
- -- access to the X monad to determine how to layou out the windows, and
- -- we don't need to modify our layout itself.
- pureLayout :: layout a -> Rectangle -> Stack a -> [(a, Rectangle)]
- pureLayout _ r s = [(focus s, r)]
-
- -- | 'handleMessage' performs message handling for that layout. If
- -- 'handleMessage' returns Nothing, then the layout did not respond to
- -- that message and the screen is not refreshed. Otherwise, 'handleMessage'
- -- returns an updated 'LayoutClass' and the screen is refreshed.
- --
- handleMessage :: layout a -> SomeMessage -> X (Maybe (layout a))
- handleMessage l = return . pureMessage l
-
- -- | Respond to a message by (possibly) changing our layout, but taking
- -- no other action. If the layout changes, the screen will be refreshed.
- pureMessage :: layout a -> SomeMessage -> Maybe (layout a)
- pureMessage _ _ = Nothing
-
- -- | This should be a human-readable string that is used when selecting
- -- layouts by name.
- description :: layout a -> String
- description = show
-
-instance LayoutClass Layout Window where
- doLayout (Layout l) r s = fmap (fmap Layout) `liftM` doLayout l r s
- handleMessage (Layout l) = fmap (fmap Layout) . handleMessage l
- description (Layout l) = description l
-
-instance Show (Layout a) where show (Layout l) = show l
-
--- | This calls doLayout if there are any windows to be laid out.
-runLayout :: LayoutClass l a => l a -> Rectangle -> Maybe (Stack a) -> X ([(a, Rectangle)], Maybe (l a))
-runLayout l r = maybe (return ([], Nothing)) (doLayout l r)
-
--- | Based on ideas in /An Extensible Dynamically-Typed Hierarchy of Exceptions/,
--- Simon Marlow, 2006. Use extensible messages to the handleMessage handler.
---
--- User-extensible messages must be a member of this class.
---
-class Typeable a => Message a
-
--- |
--- A wrapped value of some type in the Message class.
---
-data SomeMessage = forall a. Message a => SomeMessage a
-
--- |
--- And now, unwrap a given, unknown Message type, performing a (dynamic)
--- type check on the result.
---
-fromMessage :: Message m => SomeMessage -> Maybe m
-fromMessage (SomeMessage m) = cast m
-
--- | X Events are valid Messages
-instance Message Event
-
--- | LayoutMessages are core messages that all layouts (especially stateful
--- layouts) should consider handling.
-data LayoutMessages = Hide -- ^ sent when a layout becomes non-visible
- | ReleaseResources -- ^ sent when xmonad is exiting or restarting
- deriving (Typeable, Eq)
-
-instance Message LayoutMessages
-
--- ---------------------------------------------------------------------
--- | General utilities
---
--- Lift an IO action into the X monad
-io :: IO a -> X a
-io = liftIO
-
--- | Lift an IO action into the X monad. If the action results in an IO
--- exception, log the exception to stderr and continue normal execution.
-catchIO :: IO () -> X ()
-catchIO f = liftIO (f `catch` \e -> hPrint stderr e >> hFlush stderr)
-
--- | spawn. Launch an external application
-spawn :: String -> X ()
-spawn x = io $ do
- pid <- forkProcess $ do
- forkProcess (createSession >> executeFile "/bin/sh" False ["-c", x] Nothing)
- exitWith ExitSuccess
- getProcessStatus True False pid
- return ()
-
--- | Restart xmonad via exec().
---
--- If the first parameter is 'Just name', restart will attempt to execute the
--- program corresponding to 'name'. Otherwise, xmonad will attempt to execute
--- the name of the current program.
---
--- When the second parameter is 'True', xmonad will attempt to resume with the
--- current window state.
-restart :: Maybe String -> Bool -> X ()
-restart mprog resume = do
- prog <- maybe (io getProgName) return mprog
- args <- if resume then gets (("--resume":) . return . showWs . windowset) else return []
- catchIO (executeFile prog True args Nothing)
- where showWs = show . mapLayout show
--- | Run a side effecting action with the current workspace. Like 'when' but
-whenJust :: Maybe a -> (a -> X ()) -> X ()
-whenJust mg f = maybe (return ()) f mg
+ module XMonad.Main,
+ module XMonad.Core,
+ module XMonad.Config
--- | Conditionally run an action, using a X event to decide
-whenX :: X Bool -> X () -> X ()
-whenX a f = a >>= \b -> when b f
+ ) where
--- | A 'trace' for the X monad. Logs a string to stderr. The result may
--- be found in your .xsession-errors file
-trace :: String -> X ()
-trace msg = io $! do hPutStrLn stderr msg; hFlush stderr
+import XMonad.Main
+import XMonad.Core
+import XMonad.Config
+-- import XMonad.StackSet -- conflicts with 'workspaces' defined in XMonad.hs
diff --git a/XMonad/Config.hs b/XMonad/Config.hs
index 5021328..5c988c9 100644
--- a/XMonad/Config.hs
+++ b/XMonad/Config.hs
@@ -20,10 +20,10 @@ module XMonad.Config (defaultConfig) where
--
-- Useful imports
--
-import XMonad hiding
+import XMonad.Core as XMonad hiding
(workspaces,manageHook,numlockMask,keys,logHook,borderWidth,mouseBindings
,defaultGaps,layoutHook,modMask,terminal,normalBorderColor,focusedBorderColor)
-import qualified XMonad
+import qualified XMonad.Core as XMonad
(workspaces,manageHook,numlockMask,keys,logHook,borderWidth,mouseBindings
,defaultGaps,layoutHook,modMask,terminal,normalBorderColor,focusedBorderColor)
diff --git a/XMonad/Core.hs b/XMonad/Core.hs
index edf7530..728fb61 100644
--- a/XMonad/Core.hs
+++ b/XMonad/Core.hs
@@ -1,277 +1,294 @@
-{-# LANGUAGE MultiParamTypeClasses #-}
-----------------------------------------------------------------------------
+{-# LANGUAGE ExistentialQuantification, FlexibleInstances, GeneralizedNewtypeDeriving,
+ MultiParamTypeClasses, TypeSynonymInstances #-}
+-- required for deriving Typeable
+{-# OPTIONS_GHC -fglasgow-exts #-}
+
+-----------------------------------------------------------------------------
-- |
--- Module : Core.hs
+-- Module : XMonad/Core.hs
-- Copyright : (c) Spencer Janssen 2007
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : sjanssen@cse.unl.edu
-- Stability : unstable
--- Portability : not portable, uses mtl, X11, posix
+-- Portability : not portable, uses cunning newtype deriving
--
--- xmonad, a minimalist, tiling window manager for X11
+-- The X monad, a state monad transformer over IO, for the window
+-- manager state, and support routines.
--
-----------------------------------------------------------------------------
-module XMonad.Core (xmonad) where
+module XMonad.Core (
+ X, WindowSet, WindowSpace, WorkspaceId, ScreenId(..), ScreenDetail(..), XState(..), XConf(..), XConfig(..), LayoutClass(..), Layout(..), readsLayout, Typeable, Message, SomeMessage(..), fromMessage, runLayout, LayoutMessages(..),
+ runX, catchX, userCode, io, catchIO, withDisplay, withWindowSet, isRoot, getAtom, spawn, restart, trace, whenJust, whenX,
+ atom_WM_STATE, atom_WM_PROTOCOLS, atom_WM_DELETE_WINDOW
+ ) where
+
+import XMonad.StackSet
+
+import Prelude hiding ( catch )
+import Control.Exception (catch, throw, Exception(ExitException))
+import Control.Monad.State
+import Control.Monad.Reader
+import System.IO
+import System.Posix.Process (executeFile, forkProcess, getProcessStatus, createSession)
+import System.Exit
+import System.Environment
+import Graphics.X11.Xlib
+import Graphics.X11.Xlib.Extras (Event)
+import Data.Typeable
-import Data.Bits
import qualified Data.Map as M
import qualified Data.Set as S
-import Control.Monad.Reader
-import Control.Monad.State
-import Data.Maybe (fromMaybe)
-import System.Environment (getArgs)
+-- | XState, the window manager state.
+-- Just the display, width, height and a window list
+data XState = XState
+ { windowset :: !WindowSet -- ^ workspace list
+ , mapped :: !(S.Set Window) -- ^ the Set of mapped windows
+ , waitingUnmap :: !(M.Map Window Int) -- ^ the number of expected UnmapEvents
+ , dragging :: !(Maybe (Position -> Position -> X (), X ())) }
+
+data XConf = XConf
+ { display :: Display -- ^ the X11 display
+ , config :: !XConfig -- ^ initial user configuration
+ , theRoot :: !Window -- ^ the root window
+ , normalBorder :: !Pixel -- ^ border color of unfocused windows
+ , focusedBorder :: !Pixel -- ^ border color of the focused window
+ , keyActions :: !(M.Map (KeyMask, KeySym) (X ()))
+ -- ^ a mapping of key presses to actions
+ , buttonActions :: !(M.Map (KeyMask, Button) (Window -> X ()))
+ -- ^ a mapping of button presses to actions
+ }
+
+-- todo, better name
+data XConfig = XConfig
+ { normalBorderColor :: !String
+ , focusedBorderColor :: !String
+ , terminal :: !String
+ , layoutHook :: !(Layout Window)
+ , manageHook :: Window -> String -> String -> String -> X (WindowSet -> WindowSet)
+ , workspaces :: [String]
+ , defaultGaps :: [(Int,Int,Int,Int)]
+ , numlockMask :: !KeyMask
+ , modMask :: !KeyMask
+ , keys :: XConfig -> M.Map (ButtonMask,KeySym) (X ())
+ , mouseBindings :: XConfig -> M.Map (ButtonMask, Button) (Window -> X ())
+ , borderWidth :: !Dimension
+ , logHook :: X ()
+ }
+
+type WindowSet = StackSet WorkspaceId (Layout Window) Window ScreenId ScreenDetail
+type WindowSpace = Workspace WorkspaceId (Layout Window) Window
+
+-- | Virtual workspace indicies
+type WorkspaceId = String
+
+-- | Physical screen indicies
+newtype ScreenId = S Int deriving (Eq,Ord,Show,Read,Enum,Num,Integral,Real)
+
+-- | TODO Comment me
+data ScreenDetail = SD { screenRect :: !Rectangle
+ , statusGap :: !(Int,Int,Int,Int) -- ^ width of status bar on the screen
+ } deriving (Eq,Show, Read)
+
+------------------------------------------------------------------------
+
+-- | The X monad, a StateT transformer over IO encapsulating the window
+-- manager state
+--
+-- Dynamic components may be retrieved with 'get', static components
+-- with 'ask'. With newtype deriving we get readers and state monads
+-- instantiated on XConf and XState automatically.
+--
+newtype X a = X (ReaderT XConf (StateT XState IO) a)
+ deriving (Functor, Monad, MonadIO, MonadState XState, MonadReader XConf)
+
+-- | Run the X monad, given a chunk of X monad code, and an initial state
+-- Return the result, and final state
+runX :: XConf -> XState -> X a -> IO (a, XState)
+runX c st (X a) = runStateT (runReaderT a c) st
+
+-- | Run in the X monad, and in case of exception, and catch it and log it
+-- to stderr, and run the error case.
+catchX :: X a -> X a -> X a
+catchX job errcase = do
+ st <- get
+ c <- ask
+ (a, s') <- io $ runX c st job `catch` \e -> case e of
+ ExitException {} -> throw e
+ _ -> do hPrint stderr e; runX c st errcase
+ put s'
+ return a
+
+-- | Execute the argument, catching all exceptions. Either this function or
+-- catchX should be used at all callsites of user customized code.
+userCode :: X () -> X ()
+userCode a = catchX (a >> return ()) (return ())
-import Graphics.X11.Xlib hiding (refreshKeyboardMapping)
-import Graphics.X11.Xlib.Extras
-import Graphics.X11.Xinerama (getScreenInfo)
+-- ---------------------------------------------------------------------
+-- Convenient wrappers to state
-import XMonad
-import XMonad.StackSet (new, floating, member)
-import qualified XMonad.StackSet as W
-import XMonad.Operations
+-- | Run a monad action with the current display settings
+withDisplay :: (Display -> X a) -> X a
+withDisplay f = asks display >>= f
-import System.IO
+-- | Run a monadic action with the current stack set
+withWindowSet :: (WindowSet -> X a) -> X a
+withWindowSet f = gets windowset >>= f
--- |
--- The main entry point
---
-xmonad :: XConfig -> IO ()
-xmonad xmc = do
- dpy <- openDisplay ""
- let dflt = defaultScreen dpy
-
- rootw <- rootWindow dpy dflt
- xinesc <- getScreenInfo dpy
- nbc <- initColor dpy $ normalBorderColor xmc
- fbc <- initColor dpy $ focusedBorderColor xmc
- hSetBuffering stdout NoBuffering
- args <- getArgs
-
- let layout = layoutHook xmc
- lreads = readsLayout layout
- initialWinset = new layout (workspaces xmc) $ zipWith SD xinesc gaps
-
- maybeRead reads' s = case reads' s of
- [(x, "")] -> Just x
- _ -> Nothing
-
- winset = fromMaybe initialWinset $ do
- ("--resume" : s : _) <- return args
- ws <- maybeRead reads s
- return . W.ensureTags layout (workspaces xmc)
- $ W.mapLayout (fromMaybe layout . maybeRead lreads) ws
-
- gaps = take (length xinesc) $ defaultGaps xmc ++ repeat (0,0,0,0)
-
- cf = XConf
- { display = dpy
- , config = xmc
- , theRoot = rootw
- , normalBorder = nbc
- , focusedBorder = fbc
- , keyActions = keys xmc xmc
- , buttonActions = mouseBindings xmc xmc }
- st = XState
- { windowset = initialWinset
- , mapped = S.empty
- , waitingUnmap = M.empty
- , dragging = Nothing }
-
- xSetErrorHandler -- in C, I'm too lazy to write the binding: dons
-
- -- setup initial X environment
- sync dpy False
- selectInput dpy rootw $ substructureRedirectMask .|. substructureNotifyMask
- .|. enterWindowMask .|. leaveWindowMask .|. structureNotifyMask
-
- allocaXEvent $ \e ->
- runX cf st $ do
-
- grabKeys
- grabButtons
-
- io $ sync dpy False
-
- -- bootstrap the windowset, Operations.windows will identify all
- -- the windows in winset as new and set initial properties for
- -- those windows
- windows (const winset)
-
- -- scan for all top-level windows, add the unmanaged ones to the
- -- windowset
- ws <- io $ scan dpy rootw
- mapM_ manage ws
-
- -- main loop, for all you HOF/recursion fans out there.
- forever_ $ handle =<< io (nextEvent dpy e >> getEvent e)
+-- | True if the given window is the root window
+isRoot :: Window -> X Bool
+isRoot w = liftM (w==) (asks theRoot)
- return ()
- where forever_ a = a >> forever_ a
+-- | Wrapper for the common case of atom internment
+getAtom :: String -> X Atom
+getAtom str = withDisplay $ \dpy -> io $ internAtom dpy str False
+-- | Common non-predefined atoms
+atom_WM_PROTOCOLS, atom_WM_DELETE_WINDOW, atom_WM_STATE :: X Atom
+atom_WM_PROTOCOLS = getAtom "WM_PROTOCOLS"
+atom_WM_DELETE_WINDOW = getAtom "WM_DELETE_WINDOW"
+atom_WM_STATE = getAtom "WM_STATE"
--- ---------------------------------------------------------------------
--- | Event handler. Map X events onto calls into Operations.hs, which
--- modify our internal model of the window manager state.
+------------------------------------------------------------------------
+-- | LayoutClass handling. See particular instances in Operations.hs
+
+-- | An existential type that can hold any object that is in Read and LayoutClass.
+data Layout a = forall l. (LayoutClass l a, Read (l a)) => Layout (l a)
+
+-- | Using the 'Layout' as a witness, parse existentially wrapped windows
+-- from a 'String'
+readsLayout :: Layout a -> String -> [(Layout a, String)]
+readsLayout (Layout l) s = [(Layout (asTypeOf x l), rs) | (x, rs) <- reads s]
+
+-- | The different layout modes
--
--- Events dwm handles that we don't:
+-- 'doLayout': given a Rectangle and a Stack, layout the stack elements
+-- inside the given Rectangle. If an element is not given a Rectangle
+-- by 'doLayout', then it is not shown on screen. Windows are restacked
+-- according to the order they are returned by 'doLayout'.
--
--- [ButtonPress] = buttonpress,
--- [Expose] = expose,
--- [PropertyNotify] = propertynotify,
+class Show (layout a) => LayoutClass layout a where
+
+ -- | Given a Rectangle in which to place the windows, and a Stack of
+ -- windows, return a list of windows and their corresponding Rectangles.
+ -- The order of windows in this list should be the desired stacking order.
+ -- Also return a modified layout, if this layout needs to be modified
+ -- (e.g. if we keep track of the windows we have displayed).
+ doLayout :: layout a -> Rectangle -> Stack a -> X ([(a, Rectangle)], Maybe (layout a))
+ doLayout l r s = return (pureLayout l r s, Nothing)
+
+ -- | This is a pure version of doLayout, for cases where we don't need
+ -- access to the X monad to determine how to layou out the windows, and
+ -- we don't need to modify our layout itself.
+ pureLayout :: layout a -> Rectangle -> Stack a -> [(a, Rectangle)]
+ pureLayout _ r s = [(focus s, r)]
+
+ -- | 'handleMessage' performs message handling for that layout. If
+ -- 'handleMessage' returns Nothing, then the layout did not respond to
+ -- that message and the screen is not refreshed. Otherwise, 'handleMessage'
+ -- returns an updated 'LayoutClass' and the screen is refreshed.
+ --
+ handleMessage :: layout a -> SomeMessage -> X (Maybe (layout a))
+ handleMessage l = return . pureMessage l
+
+ -- | Respond to a message by (possibly) changing our layout, but taking
+ -- no other action. If the layout changes, the screen will be refreshed.
+ pureMessage :: layout a -> SomeMessage -> Maybe (layout a)
+ pureMessage _ _ = Nothing
+
+ -- | This should be a human-readable string that is used when selecting
+ -- layouts by name.
+ description :: layout a -> String
+ description = show
+
+instance LayoutClass Layout Window where
+ doLayout (Layout l) r s = fmap (fmap Layout) `liftM` doLayout l r s
+ handleMessage (Layout l) = fmap (fmap Layout) . handleMessage l
+ description (Layout l) = description l
+
+instance Show (Layout a) where show (Layout l) = show l
+
+-- | This calls doLayout if there are any windows to be laid out.
+runLayout :: LayoutClass l a => l a -> Rectangle -> Maybe (Stack a) -> X ([(a, Rectangle)], Maybe (l a))
+runLayout l r = maybe (return ([], Nothing)) (doLayout l r)
+
+-- | Based on ideas in /An Extensible Dynamically-Typed Hierarchy of Exceptions/,
+-- Simon Marlow, 2006. Use extensible messages to the handleMessage handler.
--
-handle :: Event -> X ()
-
--- run window manager command
-handle (KeyEvent {ev_event_type = t, ev_state = m, ev_keycode = code})
- | t == keyPress = withDisplay $ \dpy -> do
- s <- io $ keycodeToKeysym dpy code 0
- mClean <- cleanMask m
- ks <- asks keyActions
- userCode $ whenJust (M.lookup (mClean, s) ks) id
-
--- manage a new window
-handle (MapRequestEvent {ev_window = w}) = withDisplay $ \dpy -> do
- wa <- io $ getWindowAttributes dpy w -- ignore override windows
- -- need to ignore mapping requests by managed windows not on the current workspace
- managed <- isClient w
- when (not (wa_override_redirect wa) && not managed) $ do manage w
-
--- window destroyed, unmanage it
--- window gone, unmanage it
-handle (DestroyWindowEvent {ev_window = w}) = whenX (isClient w) $ unmanage w
-
--- We track expected unmap events in waitingUnmap. We ignore this event unless
--- it is synthetic or we are not expecting an unmap notification from a window.
-handle (UnmapEvent {ev_window = w, ev_send_event = synthetic}) = whenX (isClient w) $ do
- e <- gets (fromMaybe 0 . M.lookup w . waitingUnmap)
- if (synthetic || e == 0)
- then unmanage w
- else modify (\s -> s { waitingUnmap = M.adjust pred w (waitingUnmap s) })
-
--- set keyboard mapping
-handle e@(MappingNotifyEvent {}) = do
- io $ refreshKeyboardMapping e
- when (ev_request e == mappingKeyboard) grabKeys
-
--- handle button release, which may finish dragging.
-handle e@(ButtonEvent {ev_event_type = t})
- | t == buttonRelease = do
- drag <- gets dragging
- case drag of
- -- we're done dragging and have released the mouse:
- Just (_,f) -> modify (\s -> s { dragging = Nothing }) >> f
- Nothing -> broadcastMessage e
-
--- handle motionNotify event, which may mean we are dragging.
-handle e@(MotionEvent {ev_event_type = _t, ev_x = x, ev_y = y}) = do
- drag <- gets dragging
- case drag of
- Just (d,_) -> d (fromIntegral x) (fromIntegral y) -- we're dragging
- Nothing -> broadcastMessage e
-
--- click on an unfocused window, makes it focused on this workspace
-handle e@(ButtonEvent {ev_window = w,ev_event_type = t,ev_button = b })
- | t == buttonPress = do
- -- If it's the root window, then it's something we
- -- grabbed in grabButtons. Otherwise, it's click-to-focus.
- isr <- isRoot w
- m <- cleanMask $ ev_state e
- ba <- asks buttonActions
- if isr then userCode $ whenJust (M.lookup (m, b) ba) ($ ev_subwindow e)
- else focus w
- sendMessage e -- Always send button events.
-
--- entered a normal window, makes this focused.
-handle e@(CrossingEvent {ev_window = w, ev_event_type = t})
- | t == enterNotify && ev_mode e == notifyNormal
- && ev_detail e /= notifyInferior = focus w
-
--- left a window, check if we need to focus root
-handle e@(CrossingEvent {ev_event_type = t})
- | t == leaveNotify
- = do rootw <- asks theRoot
- when (ev_window e == rootw && not (ev_same_screen e)) $ setFocusX rootw
-
--- configure a window
-handle e@(ConfigureRequestEvent {ev_window = w}) = withDisplay $ \dpy -> do
- ws <- gets windowset
- wa <- io $ getWindowAttributes dpy w
-
- bw <- asks (borderWidth . config)
-
- if M.member w (floating ws)
- || not (member w ws)
- then do io $ configureWindow dpy w (ev_value_mask e) $ WindowChanges
- { wc_x = ev_x e
- , wc_y = ev_y e
- , wc_width = ev_width e
- , wc_height = ev_height e
- , wc_border_width = fromIntegral bw
- , wc_sibling = ev_above e
- , wc_stack_mode = ev_detail e }
- when (member w ws) (float w)
- else io $ allocaXEvent $ \ev -> do
- setEventType ev configureNotify
- setConfigureEvent ev w w
- (wa_x wa) (wa_y wa) (wa_width wa)
- (wa_height wa) (ev_border_width e) none (wa_override_redirect wa)
- sendEvent dpy w False 0 ev
- io $ sync dpy False
-
--- configuration changes in the root may mean display settings have changed
-handle (ConfigureEvent {ev_window = w}) = whenX (isRoot w) rescreen
-
--- property notify
-handle PropertyEvent { ev_event_type = t, ev_atom = a }
- | t == propertyNotify && a == wM_NAME = userCode =<< asks (logHook . config)
-
-handle e = broadcastMessage e -- trace (eventName e) -- ignoring
+-- User-extensible messages must be a member of this class.
+--
+class Typeable a => Message a
+-- |
+-- A wrapped value of some type in the Message class.
+--
+data SomeMessage = forall a. Message a => SomeMessage a
+
+-- |
+-- And now, unwrap a given, unknown Message type, performing a (dynamic)
+-- type check on the result.
+--
+fromMessage :: Message m => SomeMessage -> Maybe m
+fromMessage (SomeMessage m) = cast m
+
+-- | X Events are valid Messages
+instance Message Event
+
+-- | LayoutMessages are core messages that all layouts (especially stateful
+-- layouts) should consider handling.
+data LayoutMessages = Hide -- ^ sent when a layout becomes non-visible
+ | ReleaseResources -- ^ sent when xmonad is exiting or restarting
+ deriving (Typeable, Eq)
+
+instance Message LayoutMessages
-- ---------------------------------------------------------------------
--- IO stuff. Doesn't require any X state
--- Most of these things run only on startup (bar grabkeys)
-
--- | scan for any new windows to manage. If they're already managed,
--- this should be idempotent.
-scan :: Display -> Window -> IO [Window]
-scan dpy rootw = do
- (_, _, ws) <- queryTree dpy rootw
- filterM ok ws
- -- TODO: scan for windows that are either 'IsViewable' or where WM_STATE ==
- -- Iconic
- where ok w = do wa <- getWindowAttributes dpy w
- a <- internAtom dpy "WM_STATE" False
- p <- getWindowProperty32 dpy a w
- let ic = case p of
- Just (3:_) -> True -- 3 for iconified
- _ -> False
- return $ not (wa_override_redirect wa)
- && (wa_map_state wa == waIsViewable || ic)
-
--- | Grab the keys back
-grabKeys :: X ()
-grabKeys = do
- XConf { display = dpy, theRoot = rootw } <- ask
- let grab kc m = io $ grabKey dpy kc m rootw True grabModeAsync grabModeAsync
- io $ ungrabKey dpy anyKey anyModifier rootw
- ks <- asks keyActions
- forM_ (M.keys ks) $ \(mask,sym) -> do
- kc <- io $ keysymToKeycode dpy sym
- -- "If the specified KeySym is not defined for any KeyCode,
- -- XKeysymToKeycode() returns zero."
- when (kc /= '\0') $ mapM_ (grab kc . (mask .|.)) =<< extraModifiers
-
--- | XXX comment me
-grabButtons :: X ()
-grabButtons = do
- XConf { display = dpy, theRoot = rootw } <- ask
- let grab button mask = io $ grabButton dpy button mask rootw False buttonPressMask
- grabModeAsync grabModeSync none none
- io $ ungrabButton dpy anyButton anyModifier rootw
- ems <- extraModifiers
- ba <- asks buttonActions
- mapM_ (\(m,b) -> mapM_ (grab b . (m .|.)) ems) (M.keys $ ba)
+-- | General utilities
+--
+-- Lift an IO action into the X monad
+io :: IO a -> X a
+io = liftIO
+
+-- | Lift an IO action into the X monad. If the action results in an IO
+-- exception, log the exception to stderr and continue normal execution.
+catchIO :: IO () -> X ()
+catchIO f = liftIO (f `catch` \e -> hPrint stderr e >> hFlush stderr)
+
+-- | spawn. Launch an external application
+spawn :: String -> X ()
+spawn x = io $ do
+ pid <- forkProcess $ do
+ forkProcess (createSession >> executeFile "/bin/sh" False ["-c", x] Nothing)
+ exitWith ExitSuccess
+ getProcessStatus True False pid
+ return ()
+
+-- | Restart xmonad via exec().
+--
+-- If the first parameter is 'Just name', restart will attempt to execute the
+-- program corresponding to 'name'. Otherwise, xmonad will attempt to execute
+-- the name of the current program.
+--
+-- When the second parameter is 'True', xmonad will attempt to resume with the
+-- current window state.
+restart :: Maybe String -> Bool -> X ()
+restart mprog resume = do
+ prog <- maybe (io getProgName) return mprog
+ args <- if resume then gets (("--resume":) . return . showWs . windowset) else return []
+ catchIO (executeFile prog True args Nothing)
+ where showWs = show . mapLayout show
+
+-- | Run a side effecting action with the current workspace. Like 'when' but
+whenJust :: Maybe a -> (a -> X ()) -> X ()
+whenJust mg f = maybe (return ()) f mg
+
+-- | Conditionally run an action, using a X event to decide
+whenX :: X Bool -> X () -> X ()
+whenX a f = a >>= \b -> when b f
+
+-- | A 'trace' for the X monad. Logs a string to stderr. The result may
+-- be found in your .xsession-errors file
+trace :: String -> X ()
+trace msg = io $! do hPutStrLn stderr msg; hFlush stderr
diff --git a/XMonad/Layouts.hs b/XMonad/Layouts.hs
index ed85ffe..5d8d2bd 100644
--- a/XMonad/Layouts.hs
+++ b/XMonad/Layouts.hs
@@ -19,7 +19,7 @@ module XMonad.Layouts (ChangeLayout(..), Choose, (|||), Resize(..), IncMasterN(.
Full(..), Tall(..), Mirror(..), mirrorRect, splitVertically,
splitHorizontally, splitHorizontallyBy, splitVerticallyBy) where
-import XMonad
+import XMonad.Core
import Graphics.X11 (Rectangle(..))
import qualified XMonad.StackSet as W
diff --git a/XMonad/Main.hs b/XMonad/Main.hs
new file mode 100644
index 0000000..c40e45e
--- /dev/null
+++ b/XMonad/Main.hs
@@ -0,0 +1,277 @@
+{-# LANGUAGE MultiParamTypeClasses #-}
+----------------------------------------------------------------------------
+-- |
+-- Module : Core.hs
+-- Copyright : (c) Spencer Janssen 2007
+-- License : BSD3-style (see LICENSE)
+--
+-- Maintainer : sjanssen@cse.unl.edu
+-- Stability : unstable
+-- Portability : not portable, uses mtl, X11, posix
+--
+-- xmonad, a minimalist, tiling window manager for X11
+--
+-----------------------------------------------------------------------------
+
+module XMonad.Main (xmonad) where
+
+import Data.Bits
+import qualified Data.Map as M
+import qualified Data.Set as S
+import Control.Monad.Reader
+import Control.Monad.State
+import Data.Maybe (fromMaybe)
+
+import System.Environment (getArgs)
+
+import Graphics.X11.Xlib hiding (refreshKeyboardMapping)
+import Graphics.X11.Xlib.Extras
+import Graphics.X11.Xinerama (getScreenInfo)
+
+import XMonad.Core
+import XMonad.StackSet (new, floating, member)
+import qualified XMonad.StackSet as W
+import XMonad.Operations
+
+import System.IO
+
+-- |
+-- The main entry point
+--
+xmonad :: XConfig -> IO ()
+xmonad xmc = do
+ dpy <- openDisplay ""
+ let dflt = defaultScreen dpy
+
+ rootw <- rootWindow dpy dflt
+ xinesc <- getScreenInfo dpy
+ nbc <- initColor dpy $ normalBorderColor xmc
+ fbc <- initColor dpy $ focusedBorderColor xmc
+ hSetBuffering stdout NoBuffering
+ args <- getArgs
+
+ let layout = layoutHook xmc
+ lreads = readsLayout layout
+ initialWinset = new layout (workspaces xmc) $ zipWith SD xinesc gaps
+
+ maybeRead reads' s = case reads' s of
+ [(x, "")] -> Just x
+ _ -> Nothing
+
+ winset = fromMaybe initialWinset $ do
+ ("--resume" : s : _) <- return args
+ ws <- maybeRead reads s
+ return . W.ensureTags layout (workspaces xmc)
+ $ W.mapLayout (fromMaybe layout . maybeRead lreads) ws
+
+ gaps = take (length xinesc) $ defaultGaps xmc ++ repeat (0,0,0,0)
+
+ cf = XConf
+ { display = dpy
+ , config = xmc
+ , theRoot = rootw
+ , normalBorder = nbc
+ , focusedBorder = fbc
+ , keyActions = keys xmc xmc
+ , buttonActions = mouseBindings xmc xmc }
+ st = XState
+ { windowset = initialWinset
+ , mapped = S.empty
+ , waitingUnmap = M.empty
+ , dragging = Nothing }
+
+ xSetErrorHandler -- in C, I'm too lazy to write the binding: dons
+
+ -- setup initial X environment
+ sync dpy False
+ selectInput dpy rootw $ substructureRedirectMask .|. substructureNotifyMask
+ .|. enterWindowMask .|. leaveWindowMask .|. structureNotifyMask
+
+ allocaXEvent $ \e ->
+ runX cf st $ do
+
+ grabKeys
+ grabButtons
+
+ io $ sync dpy False
+
+ -- bootstrap the windowset, Operations.windows will identify all
+ -- the windows in winset as new and set initial properties for
+ -- those windows
+ windows (const winset)
+
+ -- scan for all top-level windows, add the unmanaged ones to the
+ -- windowset
+ ws <- io $ scan dpy rootw
+ mapM_ manage ws
+
+ -- main loop, for all you HOF/recursion fans out there.
+ forever_ $ handle =<< io (nextEvent dpy e >> getEvent e)
+
+ return ()
+ where forever_ a = a >> forever_ a
+
+
+-- ---------------------------------------------------------------------
+-- | Event handler. Map X events onto calls into Operations.hs, which
+-- modify our internal model of the window manager state.
+--
+-- Events dwm handles that we don't:
+--
+-- [ButtonPress] = buttonpress,
+-- [Expose] = expose,
+-- [PropertyNotify] = propertynotify,
+--
+handle :: Event -> X ()
+
+-- run window manager command
+handle (KeyEvent {ev_event_type = t, ev_state = m, ev_keycode = code})
+ | t == keyPress = withDisplay $ \dpy -> do
+ s <- io $ keycodeToKeysym dpy code 0
+ mClean <- cleanMask m
+ ks <- asks keyActions
+ userCode $ whenJust (M.lookup (mClean, s) ks) id
+
+-- manage a new window
+handle (MapRequestEvent {ev_window = w}) = withDisplay $ \dpy -> do
+ wa <- io $ getWindowAttributes dpy w -- ignore override windows
+ -- need to ignore mapping requests by managed windows not on the current workspace
+ managed <- isClient w
+ when (not (wa_override_redirect wa) && not managed) $ do manage w
+
+-- window destroyed, unmanage it
+-- window gone, unmanage it
+handle (DestroyWindowEvent {ev_window = w}) = whenX (isClient w) $ unmanage w
+
+-- We track expected unmap events in waitingUnmap. We ignore this event unless
+-- it is synthetic or we are not expecting an unmap notification from a window.
+handle (UnmapEvent {ev_window = w, ev_send_event = synthetic}) = whenX (isClient w) $ do
+ e <- gets (fromMaybe 0 . M.lookup w . waitingUnmap)
+ if (synthetic || e == 0)
+ then unmanage w
+ else modify (\s -> s { waitingUnmap = M.adjust pred w (waitingUnmap s) })
+
+-- set keyboard mapping
+handle e@(MappingNotifyEvent {}) = do
+ io $ refreshKeyboardMapping e
+ when (ev_request e == mappingKeyboard) grabKeys
+
+-- handle button release, which may finish dragging.
+handle e@(ButtonEvent {ev_event_type = t})
+ | t == buttonRelease = do
+ drag <- gets dragging
+ case drag of
+ -- we're done dragging and have released the mouse:
+ Just (_,f) -> modify (\s -> s { dragging = Nothing }) >> f
+ Nothing -> broadcastMessage e
+
+-- handle motionNotify event, which may mean we are dragging.
+handle e@(MotionEvent {ev_event_type = _t, ev_x = x, ev_y = y}) = do
+ drag <- gets dragging
+ case drag of
+ Just (d,_) -> d (fromIntegral x) (fromIntegral y) -- we're dragging
+ Nothing -> broadcastMessage e
+
+-- click on an unfocused window, makes it focused on this workspace
+handle e@(ButtonEvent {ev_window = w,ev_event_type = t,ev_button = b })
+ | t == buttonPress = do
+ -- If it's the root window, then it's something we
+ -- grabbed in grabButtons. Otherwise, it's click-to-focus.
+ isr <- isRoot w
+ m <- cleanMask $ ev_state e
+ ba <- asks buttonActions
+ if isr then userCode $ whenJust (M.lookup (m, b) ba) ($ ev_subwindow e)
+ else focus w
+ sendMessage e -- Always send button events.
+
+-- entered a normal window, makes this focused.
+handle e@(CrossingEvent {ev_window = w, ev_event_type = t})
+ | t == enterNotify && ev_mode e == notifyNormal
+ && ev_detail e /= notifyInferior = focus w
+
+-- left a window, check if we need to focus root
+handle e@(CrossingEvent {ev_event_type = t})
+ | t == leaveNotify
+ = do rootw <- asks theRoot
+ when (ev_window e == rootw && not (ev_same_screen e)) $ setFocusX rootw
+
+-- configure a window
+handle e@(ConfigureRequestEvent {ev_window = w}) = withDisplay $ \dpy -> do
+ ws <- gets windowset
+ wa <- io $ getWindowAttributes dpy w
+
+ bw <- asks (borderWidth . config)
+
+ if M.member w (floating ws)
+ || not (member w ws)
+ then do io $ configureWindow dpy w (ev_value_mask e) $ WindowChanges
+ { wc_x = ev_x e
+ , wc_y = ev_y e
+ , wc_width = ev_width e
+ , wc_height = ev_height e
+ , wc_border_width = fromIntegral bw
+ , wc_sibling = ev_above e
+ , wc_stack_mode = ev_detail e }
+ when (member w ws) (float w)
+ else io $ allocaXEvent $ \ev -> do
+ setEventType ev configureNotify
+ setConfigureEvent ev w w
+ (wa_x wa) (wa_y wa) (wa_width wa)
+ (wa_height wa) (ev_border_width e) none (wa_override_redirect wa)
+ sendEvent dpy w False 0 ev
+ io $ sync dpy False
+
+-- configuration changes in the root may mean display settings have changed
+handle (ConfigureEvent {ev_window = w}) = whenX (isRoot w) rescreen
+
+-- property notify
+handle PropertyEvent { ev_event_type = t, ev_atom = a }
+ | t == propertyNotify && a == wM_NAME = userCode =<< asks (logHook . config)
+
+handle e = broadcastMessage e -- trace (eventName e) -- ignoring
+
+
+-- ---------------------------------------------------------------------
+-- IO stuff. Doesn't require any X state
+-- Most of these things run only on startup (bar grabkeys)
+
+-- | scan for any new windows to manage. If they're already managed,
+-- this should be idempotent.
+scan :: Display -> Window -> IO [Window]
+scan dpy rootw = do
+ (_, _, ws) <- queryTree dpy rootw
+ filterM ok ws
+ -- TODO: scan for windows that are either 'IsViewable' or where WM_STATE ==
+ -- Iconic
+ where ok w = do wa <- getWindowAttributes dpy w
+ a <- internAtom dpy "WM_STATE" False
+ p <- getWindowProperty32 dpy a w
+ let ic = case p of
+ Just (3:_) -> True -- 3 for iconified
+ _ -> False
+ return $ not (wa_override_redirect wa)
+ && (wa_map_state wa == waIsViewable || ic)
+
+-- | Grab the keys back
+grabKeys :: X ()
+grabKeys = do
+ XConf { display = dpy, theRoot = rootw } <- ask
+ let grab kc m = io $ grabKey dpy kc m rootw True grabModeAsync grabModeAsync
+ io $ ungrabKey dpy anyKey anyModifier rootw
+ ks <- asks keyActions
+ forM_ (M.keys ks) $ \(mask,sym) -> do
+ kc <- io $ keysymToKeycode dpy sym
+ -- "If the specified KeySym is not defined for any KeyCode,
+ -- XKeysymToKeycode() returns zero."
+ when (kc /= '\0') $ mapM_ (grab kc . (mask .|.)) =<< extraModifiers
+
+-- | XXX comment me
+grabButtons :: X ()
+grabButtons = do
+ XConf { display = dpy, theRoot = rootw } <- ask
+ let grab button mask = io $ grabButton dpy button mask rootw False buttonPressMask
+ grabModeAsync grabModeSync none none
+ io $ ungrabButton dpy anyButton anyModifier rootw
+ ems <- extraModifiers
+ ba <- asks buttonActions
+ mapM_ (\(m,b) -> mapM_ (grab b . (m .|.)) ems) (M.keys $ ba)
diff --git a/XMonad/Operations.hs b/XMonad/Operations.hs
index dc2d090..3d9a3b0 100644
--- a/XMonad/Operations.hs
+++ b/XMonad/Operations.hs
@@ -18,7 +18,7 @@
module XMonad.Operations where
-import XMonad
+import XMonad.Core
import XMonad.Layouts (Full(..))
import qualified XMonad.StackSet as W
diff --git a/xmonad.cabal b/xmonad.cabal
index 9587993..2884587 100644
--- a/xmonad.cabal
+++ b/xmonad.cabal
@@ -26,8 +26,9 @@ flag small_base
library
exposed-modules: XMonad
- XMonad.Config
+ XMonad.Main
XMonad.Core
+ XMonad.Config
XMonad.Layouts
XMonad.Operations
XMonad.StackSet
@@ -45,6 +46,6 @@ library
executable xmonad
main-is: Main.hs
- other-modules: XMonad.Core XMonad.Layouts XMonad.Operations XMonad.StackSet XMonad
+ other-modules: XMonad.Core XMonad.Main XMonad.Layouts XMonad.Operations XMonad.StackSet XMonad
ghc-options: -funbox-strict-fields -Wall -Werror -optl-Wl,-s
ghc-prof-options: -prof -auto-all