6 files changed, 0 insertions, 749 deletions
diff --git a/src/lib/Xmobar/System/DBus.hs b/src/lib/Xmobar/System/DBus.hs
deleted file mode 100644
index 103a5a9..0000000
--- a/src/lib/Xmobar/System/DBus.hs
+++ /dev/null
@@ -1,73 +0,0 @@
------------------------------------------------------------------------------
--- |
--- Module      :  DBus
--- Copyright   :  (c) Jochen Keil
--- License     :  BSD-style (see LICENSE)
---
--- Maintainer  :  Jochen Keil <jochen dot keil at gmail dot com>
--- Stability   :  unstable
--- Portability :  unportable
---
--- DBus IPC module for Xmobar
---
------------------------------------------------------------------------------
-
-module Xmobar.System.DBus (runIPC) where
-
-import DBus
-import DBus.Client hiding (interfaceName)
-import qualified DBus.Client as DC
-import Data.Maybe (isNothing)
-import Control.Concurrent.STM
-import Control.Exception (handle)
-import System.IO (stderr, hPutStrLn)
-import Control.Monad.IO.Class (liftIO)
-
-import Xmobar.System.Signal
-
-busName :: BusName
-busName = busName_ "org.Xmobar.Control"
-
-objectPath :: ObjectPath
-objectPath = objectPath_ "/org/Xmobar/Control"
-
-interfaceName :: InterfaceName
-interfaceName = interfaceName_ "org.Xmobar.Control"
-
-runIPC :: TMVar SignalType -> IO ()
-runIPC mvst = handle printException exportConnection
-    where
-    printException :: ClientError -> IO ()
-    printException = hPutStrLn stderr . clientErrorMessage
-    exportConnection = do
-        client <- connectSession
-        requestName client busName [ nameDoNotQueue ]
-        export client objectPath defaultInterface
-          { DC.interfaceName = interfaceName
-          , DC.interfaceMethods = [ sendSignalMethod mvst ]
-          }
-
-sendSignalMethod :: TMVar SignalType -> Method
-sendSignalMethod mvst = makeMethod sendSignalName
-    (signature_ [variantType $ toVariant (undefined :: SignalType)])
-    (signature_ [])
-    sendSignalMethodCall
-    where
-    sendSignalName :: MemberName
-    sendSignalName = memberName_ "SendSignal"
-
-    sendSignalMethodCall :: MethodCall -> DBusR Reply
-    sendSignalMethodCall mc = liftIO $
-        if methodCallMember mc == sendSignalName
-          then do
-            let signals :: [Maybe SignalType]
-                signals = map fromVariant (methodCallBody mc)
-            mapM_ sendSignal signals
-            if any isNothing signals
-              then return ( ReplyError errorInvalidParameters [] )
-              else return ( ReplyReturn [] )
-          else
-            return ( ReplyError errorUnknownMethod [] )
-
-    sendSignal :: Maybe SignalType -> IO ()
-    sendSignal = maybe (return ()) (atomically . putTMVar mvst)
diff --git a/src/lib/Xmobar/System/Environment.hs b/src/lib/Xmobar/System/Environment.hs
deleted file mode 100644
index 86197db..0000000
--- a/src/lib/Xmobar/System/Environment.hs
+++ /dev/null
@@ -1,49 +0,0 @@
------------------------------------------------------------------------------
--- |
--- Module      :  XMobar.Environment
--- Copyright   :  (c) William Song
--- License     :  BSD-style (see LICENSE)
---
--- Maintainer  :  Will Song <incertia@incertia.net>
--- Stability   :  stable
--- Portability :  portable
---
--- A function to expand environment variables in strings
---
------------------------------------------------------------------------------
-module Xmobar.System.Environment(expandEnv) where
-
-import Control.Applicative  ((<$>))
-import Data.Maybe (fromMaybe)
-import System.Environment   (lookupEnv)
-
-expandEnv :: String -> IO String
-expandEnv "" = return ""
-expandEnv (c:s) = case c of
-  '$'       -> do
-    envVar <- fromMaybe "" <$> lookupEnv e
-    remainder <- expandEnv s'
-    return $ envVar ++ remainder
-    where (e, s') = getVar s
-          getVar "" = ("", "")
-          getVar ('{':s'') = (takeUntil "}" s'', drop 1 . dropUntil "}" $ s'')
-          getVar s'' = (takeUntil filterstr s'', dropUntil filterstr s'')
-          filterstr = ",./? \t;:\"'~`!@#$%^&*()<>-+=\\|"
-          takeUntil f = takeWhile (not . flip elem f)
-          dropUntil f = dropWhile (not . flip elem f)
-
-  '\\' -> case s == "" of
-    True  -> return "\\"
-    False -> do
-      remainder <- expandEnv $ drop 1 s
-      return $ escString s ++ remainder
-      where escString s' = let (cc:_) = s' in
-              case cc of
-                't' -> "\t"
-                'n' -> "\n"
-                '$' -> "$"
-                _   -> [cc]
-
-  _    -> do
-    remainder <- expandEnv s
-    return $ c : remainder
diff --git a/src/lib/Xmobar/System/Kbd.hsc b/src/lib/Xmobar/System/Kbd.hsc
deleted file mode 100644
index b9e1d57..0000000
--- a/src/lib/Xmobar/System/Kbd.hsc
+++ /dev/null
@@ -1,321 +0,0 @@
-{-# LANGUAGE ScopedTypeVariables, ForeignFunctionInterface, MultiParamTypeClasses, DeriveDataTypeable, FlexibleInstances, PatternGuards #-}
------------------------------------------------------------------------------
--- |
--- Module      :  Plugins.Kbd
--- Copyright   :  (c) Martin Perner
--- License     :  BSD-style (see LICENSE)
---
--- Maintainer  :  Martin Perner <martin@perner.cc>
--- Stability   :  unstable
--- Portability :  unportable
---
--- A keyboard layout indicator for Xmobar
---
------------------------------------------------------------------------------
-
-module Xmobar.System.Kbd where
-
-import Foreign
-import Foreign.C.Types
-import Foreign.C.String
-
-import Graphics.X11.Xlib
-
-#include <X11/XKBlib.h>
-#include <X11/extensions/XKB.h>
-#include <X11/extensions/XKBstr.h>
-
---
--- Definition for XkbStaceRec and getKbdLayout taken from
--- XMonad.Layout.XKBLayout
---
-data XkbStateRec = XkbStateRec {
-    group :: CUChar,
-    locked_group :: CUChar,
-    base_group :: CUShort,
-    latched_group :: CUShort,
-    mods :: CUChar,
-    base_mods :: CUChar,
-    latched_mods :: CUChar,
-    locked_mods :: CUChar,
-    compat_state :: CUChar,
-    grab_mods :: CUChar,
-    compat_grab_mods :: CUChar,
-    lookup_mods :: CUChar,
-    compat_lookup_mods :: CUChar,
-    ptr_buttons :: CUShort
-}
-
-instance Storable XkbStateRec where
-    sizeOf _ = (#size XkbStateRec)
-    alignment _ = alignment (undefined :: CUShort)
-    poke _ _ = undefined
-    peek ptr = do
-        r_group <- (#peek XkbStateRec, group) ptr
-        r_locked_group <- (#peek XkbStateRec, locked_group) ptr
-        r_base_group <- (#peek XkbStateRec, base_group) ptr
-        r_latched_group <- (#peek XkbStateRec, latched_group) ptr
-        r_mods <- (#peek XkbStateRec, mods) ptr
-        r_base_mods <- (#peek XkbStateRec, base_mods) ptr
-        r_latched_mods <- (#peek XkbStateRec, latched_mods) ptr
-        r_locked_mods <- (#peek XkbStateRec, locked_mods) ptr
-        r_compat_state <- (#peek XkbStateRec, compat_state) ptr
-        r_grab_mods <- (#peek XkbStateRec, grab_mods) ptr
-        r_compat_grab_mods <- (#peek XkbStateRec, compat_grab_mods) ptr
-        r_lookup_mods <- (#peek XkbStateRec, lookup_mods) ptr
-        r_compat_lookup_mods <- (#peek XkbStateRec, compat_lookup_mods) ptr
-        r_ptr_buttons <- (#peek XkbStateRec, ptr_buttons) ptr
-        return XkbStateRec {
-            group = r_group,
-            locked_group = r_locked_group,
-            base_group = r_base_group,
-            latched_group = r_latched_group,
-            mods = r_mods,
-            base_mods = r_base_mods,
-            latched_mods = r_latched_mods,
-            locked_mods = r_locked_mods,
-            compat_state = r_compat_state,
-            grab_mods = r_grab_mods,
-            compat_grab_mods = r_compat_grab_mods,
-            lookup_mods = r_lookup_mods,
-            compat_lookup_mods = r_compat_lookup_mods,
-            ptr_buttons = r_ptr_buttons
-        }
-
-foreign import ccall unsafe "X11/XKBlib.h XkbGetState"
-    xkbGetState :: Display -> CUInt -> Ptr XkbStateRec -> IO CInt
-
-
-getKbdLayout :: Display -> IO Int
-getKbdLayout d = alloca $ \stRecPtr -> do
-    xkbGetState d 0x100 stRecPtr
-    st <- peek stRecPtr
-    return $ fromIntegral (group st)
-
-data XkbKeyNameRec = XkbKeyNameRec {
-    name :: Ptr CChar -- array
-}
-
---
--- the t_ before alias is just because of name collisions
---
-data XkbKeyAliasRec = XkbKeyAliasRec {
-    real  :: Ptr CChar, -- array
-    t_alias :: Ptr CChar  -- array
-}
-
---
--- the t_ before geometry is just because of name collisions
---
-data XkbNamesRec = XkbNamesRec {
-    keycodes :: Atom,
-    t_geometry :: Atom,
-    symbols :: Atom,
-    types :: Atom,
-    compat :: Atom,
-    vmods :: Ptr Atom,
-    indicators :: Ptr Atom, -- array
-    groups :: Ptr Atom, -- array
-    keys :: Ptr XkbKeyNameRec,
-    key_aliases :: Ptr CChar, -- dont care XkbKeyAliasRec,
-    radio_groups :: Ptr Atom,
-    phys_symbols :: Atom,
-    num_keys :: CUChar,
-    num_key_aliases :: CUChar,
-    num_rg :: CUShort
-}
-
---
--- the t_ before map, indicators and compat are just because of name collisions
---
-data XkbDescRec = XkbDescRec {
-    t_dpy :: Ptr CChar, -- struct _XDisplay* ; don't care
-    flags :: CUShort,
-    device_spec :: CUShort,
-    min_key_code :: KeyCode,
-    max_key_code :: KeyCode,
-    ctrls :: Ptr CChar, -- XkbControlsPtr ;  dont' care
-    server :: Ptr CChar, -- XkbServerMapPtr ;  dont' care
-    t_map :: Ptr CChar, --XkbClientMapPtr ;  dont' care
-    t_indicators :: Ptr CChar, -- XkbIndicatorPtr ;  dont' care
-    names :: Ptr XkbNamesRec, -- array
-    t_compat :: Ptr CChar, -- XkbCompatMap ;  dont' care
-    geom :: Ptr CChar -- XkbGeometryPtr ;  dont' care
-
-}
-
-instance Storable XkbKeyNameRec where
-    sizeOf _ = (#size XkbKeyNameRec)
-    alignment _ = alignment (undefined :: CUShort)
-    poke _ _ = undefined
-    peek ptr = do
-        r_name <- (#peek XkbKeyNameRec, name) ptr
-
-        return XkbKeyNameRec {
-            name = r_name
-        }
-
-instance Storable XkbKeyAliasRec where
-    sizeOf _ = (#size XkbKeyAliasRec)
-    alignment _ = alignment (undefined :: CUShort)
-    poke _ _ = undefined
-    peek ptr = do
-        r_real <- (#peek XkbKeyAliasRec, real) ptr
-        r_alias <- (#peek XkbKeyAliasRec, alias) ptr
-
-        return XkbKeyAliasRec {
-            real = r_real,
-            t_alias = r_alias
-        }
-
-instance Storable XkbNamesRec where
-    sizeOf _ = (#size XkbNamesRec)
-    alignment _ = alignment (undefined :: CUShort)
-    poke _ _ = undefined
-    peek ptr = do
-        r_keycodes <- (#peek XkbNamesRec, keycodes) ptr
-        r_geometry <- (#peek XkbNamesRec, geometry) ptr
-        r_symbols <- (#peek XkbNamesRec, symbols ) ptr
-        r_types <- (#peek XkbNamesRec, types ) ptr
-        r_compat <- (#peek XkbNamesRec, compat ) ptr
-        r_vmods <- (#peek XkbNamesRec,  vmods ) ptr
-        r_indicators <- (#peek XkbNamesRec, indicators ) ptr
-        r_groups <- (#peek XkbNamesRec, groups ) ptr
-        r_keys <- (#peek XkbNamesRec, keys ) ptr
-        r_key_aliases <- (#peek XkbNamesRec, key_aliases  ) ptr
-        r_radio_groups <- (#peek XkbNamesRec, radio_groups  ) ptr
-        r_phys_symbols <- (#peek XkbNamesRec, phys_symbols ) ptr
-        r_num_keys <- (#peek XkbNamesRec,num_keys  ) ptr
-        r_num_key_aliases <- (#peek XkbNamesRec, num_key_aliases  ) ptr
-        r_num_rg <- (#peek XkbNamesRec, num_rg ) ptr
-
-        return XkbNamesRec {
-            keycodes = r_keycodes,
-            t_geometry = r_geometry,
-            symbols = r_symbols,
-            types = r_types,
-            compat = r_compat,
-            vmods = r_vmods,
-            indicators = r_indicators,
-            groups = r_groups,
-            keys = r_keys,
-            key_aliases = r_key_aliases,
-            radio_groups = r_radio_groups,
-            phys_symbols = r_phys_symbols,
-            num_keys = r_num_keys,
-            num_key_aliases = r_num_key_aliases,
-            num_rg = r_num_rg
-       }
-
-instance Storable XkbDescRec where
-    sizeOf _ = (#size XkbDescRec)
-    alignment _ = alignment (undefined :: CUShort)
-    poke _ _ = undefined
-    peek ptr = do
-        r_dpy <- (#peek XkbDescRec, dpy) ptr
-        r_flags <- (#peek XkbDescRec, flags) ptr
-        r_device_spec <- (#peek XkbDescRec, device_spec) ptr
-        r_min_key_code <- (#peek XkbDescRec, min_key_code) ptr
-        r_max_key_code <- (#peek XkbDescRec, max_key_code) ptr
-        r_ctrls <- (#peek XkbDescRec, ctrls) ptr
-        r_server <- (#peek XkbDescRec, server) ptr
-        r_map <- (#peek XkbDescRec, map) ptr
-        r_indicators <- (#peek XkbDescRec, indicators) ptr
-        r_names <- (#peek XkbDescRec, names) ptr
-        r_compat <- (#peek XkbDescRec, compat) ptr
-        r_geom <- (#peek XkbDescRec, geom) ptr
-
-        return XkbDescRec {
-            t_dpy = r_dpy,
-            flags = r_flags,
-            device_spec = r_device_spec,
-            min_key_code = r_min_key_code,
-            max_key_code = r_max_key_code,
-            ctrls = r_ctrls,
-            server = r_server,
-            t_map = r_map,
-            t_indicators = r_indicators,
-            names = r_names,
-            t_compat = r_compat,
-            geom = r_geom
-        }
-
---
--- C bindings
---
-
-foreign import ccall unsafe "X11/XKBlib.h XkbAllocKeyboard"
-    xkbAllocKeyboard :: IO (Ptr XkbDescRec)
-
-foreign import ccall unsafe "X11/XKBlib.h XkbGetNames"
-    xkbGetNames :: Display -> CUInt -> (Ptr XkbDescRec)  -> IO Status
-
-foreign import ccall unsafe "X11/XKBlib.h XGetAtomName"
-    xGetAtomName :: Display -> Atom -> IO CString
-
-foreign import ccall unsafe "X11/XKBlib.h XkbFreeNames"
-    xkbFreeNames :: (Ptr XkbDescRec) -> CUInt -> CInt -> IO ()
-
-foreign import ccall unsafe "X11/XKBlib.h XkbFreeKeyboard"
-    xkbFreeKeyboard :: (Ptr XkbDescRec) -> CUInt -> CInt -> IO ()
-
-foreign import ccall unsafe "X11/XKBlib.h XkbSelectEventDetails"
-    xkbSelectEventDetails :: Display -> CUInt -> CUInt -> CULong -> CULong -> IO CUInt
-
-foreign import ccall unsafe "X11/XKBlib.h XkbSelectEvents"
-    xkbSelectEvents :: Display -> CUInt -> CUInt -> CUInt -> IO CUInt
-
-
-xkbUseCoreKbd :: CUInt
-xkbUseCoreKbd = #const XkbUseCoreKbd
-
-xkbStateNotify :: CUInt
-xkbStateNotify = #const XkbStateNotify
-
-xkbIndicatorStateNotify :: CUInt
-xkbIndicatorStateNotify = #const XkbIndicatorStateNotify
-
-xkbMapNotify :: CUInt
-xkbMapNotify = #const XkbMapNotify
-
-xkbMapNotifyMask :: CUInt
-xkbMapNotifyMask = #const XkbMapNotifyMask
-
-xkbNewKeyboardNotifyMask :: CUInt
-xkbNewKeyboardNotifyMask  = #const XkbNewKeyboardNotifyMask
-
-xkbAllStateComponentsMask :: CULong
-xkbAllStateComponentsMask = #const XkbAllStateComponentsMask
-
-xkbGroupStateMask :: CULong
-xkbGroupStateMask = #const XkbGroupStateMask
-
-xkbSymbolsNameMask :: CUInt
-xkbSymbolsNameMask = #const XkbSymbolsNameMask
-
-xkbGroupNamesMask :: CUInt
-xkbGroupNamesMask = #const XkbGroupNamesMask
-
-type KbdOpts = [(String, String)]
-
-getLayoutStr :: Display -> IO String
-getLayoutStr dpy =  do
-        kbdDescPtr <- xkbAllocKeyboard
-        status <- xkbGetNames dpy xkbSymbolsNameMask kbdDescPtr
-        str <- getLayoutStr' status dpy kbdDescPtr
-        xkbFreeNames kbdDescPtr xkbGroupNamesMask 1
-        xkbFreeKeyboard kbdDescPtr 0 1
-        return str
-
-getLayoutStr' :: Status -> Display -> (Ptr XkbDescRec) -> IO String
-getLayoutStr' st dpy kbdDescPtr =
-        if st == 0 then -- Success
-            do
-            kbdDesc <- peek kbdDescPtr
-            nameArray <- peek (names kbdDesc)
-            atom <- xGetAtomName dpy (symbols nameArray)
-            str <- peekCString atom
-            return str
-        else -- Behaviour on error
-            do
-                return "Error while requesting layout!"
diff --git a/src/lib/Xmobar/System/Localize.hsc b/src/lib/Xmobar/System/Localize.hsc
deleted file mode 100644
index eec5e3b..0000000
--- a/src/lib/Xmobar/System/Localize.hsc
+++ /dev/null
@@ -1,89 +0,0 @@
-{-# LANGUAGE ForeignFunctionInterface #-}
------------------------------------------------------------------------------
--- |
--- Module      :  Localize
--- Copyright   :  (C) 2011, 2018 Martin Perner
--- License     :  BSD-style (see LICENSE)
---
--- Maintainer  :  Martin Perner <martin@perner.cc>
--- Stability   :  unstable
--- Portability :  unportable
---
--- This module provides an interface to locale information e.g. for DateL
---
------------------------------------------------------------------------------
-
-module Xmobar.System.Localize
-    ( setupTimeLocale,
-      getTimeLocale
-    ) where
-
-import Foreign.C
-#if ! MIN_VERSION_time(1,5,0)
-import qualified System.Locale as L
-#else
-import qualified Data.Time.Format as L
-#endif
-
-#ifdef UTF8
-import Codec.Binary.UTF8.String
-#endif
-
---  get localized strings
-type NlItem = CInt
-
-#include <langinfo.h>
-foreign import ccall unsafe "langinfo.h nl_langinfo"
-  nl_langinfo :: NlItem -> IO CString
-
-#{enum NlItem,
-  , AM_STR , PM_STR \
-  , D_T_FMT , D_FMT , T_FMT , T_FMT_AMPM \
-  , ABDAY_1, ABDAY_7 \
-  , DAY_1, DAY_7 \
-  , ABMON_1, ABMON_12 \
-  , MON_1, MON_12\
- }
-
-getLangInfo :: NlItem -> IO String
-getLangInfo item = do
-  itemStr <- nl_langinfo item
-#ifdef UTF8
-  str <- peekCString itemStr
-  return $ if isUTF8Encoded str then decodeString str else str
-#else
-  peekCString itemStr
-#endif
-
-#include <locale.h>
-foreign import ccall unsafe "locale.h setlocale"
-    setlocale :: CInt -> CString -> IO CString
-
-setupTimeLocale :: String -> IO ()
-setupTimeLocale l = withCString l (setlocale #const LC_TIME) >> return ()
-
-getTimeLocale :: IO L.TimeLocale
-getTimeLocale = do
-  -- assumes that the defined values are increasing by exactly one.
-  -- as they are defined consecutive in an enum this is reasonable
-  days   <- mapM getLangInfo [day1 .. day7]
-  abdays <- mapM getLangInfo [abday1 .. abday7]
-
-  mons   <- mapM getLangInfo [mon1 .. mon12]
-  abmons <- mapM getLangInfo [abmon1 .. abmon12]
-
-  amstr <- getLangInfo amStr
-  pmstr <- getLangInfo pmStr
-  dtfmt <- getLangInfo dTFmt
-  dfmt  <- getLangInfo dFmt
-  tfmt  <- getLangInfo tFmt
-  tfmta <- getLangInfo tFmtAmpm
-
-  let t =  L.defaultTimeLocale {L.wDays  = zip days abdays
-                               ,L.months = zip mons abmons
-                               ,L.amPm = (amstr, pmstr)
-                               ,L.dateTimeFmt = dtfmt
-                               ,L.dateFmt = dfmt
-                               ,L.timeFmt = tfmt
-                               ,L.time12Fmt = tfmta}
-  return t
diff --git a/src/lib/Xmobar/System/Signal.hs b/src/lib/Xmobar/System/Signal.hs
deleted file mode 100644
index ce39e10..0000000
--- a/src/lib/Xmobar/System/Signal.hs
+++ /dev/null
@@ -1,134 +0,0 @@
-{-# LANGUAGE DeriveDataTypeable, CPP #-}
-
------------------------------------------------------------------------------
--- |
--- Module      :  Signal
--- Copyright   :  (c) Andrea Rosatto
---             :  (c) Jose A. Ortega Ruiz
---             :  (c) Jochen Keil
--- License     :  BSD-style (see LICENSE)
---
--- Maintainer  :  Jose A. Ortega Ruiz <jao@gnu.org>
--- Stability   :  unstable
--- Portability :  unportable
---
--- Signal handling, including DBUS when available
---
------------------------------------------------------------------------------
-
-module Xmobar.System.Signal where
-
-import Data.Foldable (for_)
-import Data.Typeable (Typeable)
-import Control.Concurrent
-import Control.Concurrent.STM
-import Control.Exception
-import System.Posix.Signals
-import Graphics.X11.Types (Button)
-import Graphics.X11.Xlib.Types (Position)
-import System.IO
-
-#ifdef DBUS
-import DBus (IsVariant(..))
-import Control.Monad ((>=>))
-#endif
-
-safeHead :: [a] -> Maybe a
-safeHead    [] = Nothing
-safeHead (x:_) = Just x
-
-data WakeUp = WakeUp deriving (Show,Typeable)
-instance Exception WakeUp
-
-data SignalType = Wakeup
-                | Reposition
-                | ChangeScreen
-                | Hide   Int
-                | Reveal Int
-                | Toggle Int
-                | TogglePersistent
-                | Action Button Position
-    deriving (Read, Show)
-
-#ifdef DBUS
-instance IsVariant SignalType where
-    toVariant   = toVariant . show
-    fromVariant = fromVariant >=> parseSignalType
-#endif
-
-parseSignalType :: String -> Maybe SignalType
-parseSignalType = fmap fst . safeHead . reads
-
--- | Signal handling
-setupSignalHandler :: IO (TMVar SignalType)
-setupSignalHandler = do
-   tid   <- newEmptyTMVarIO
-   installHandler sigUSR2 (Catch $ updatePosHandler tid) Nothing
-   installHandler sigUSR1 (Catch $ changeScreenHandler tid) Nothing
-   return tid
-
-updatePosHandler :: TMVar SignalType -> IO ()
-updatePosHandler sig = do
-   atomically $ putTMVar sig Reposition
-   return ()
-
-changeScreenHandler :: TMVar SignalType -> IO ()
-changeScreenHandler sig = do
-   atomically $ putTMVar sig ChangeScreen
-   return ()
-
-
--- | Ensures that the given IO action runs its cleanup actions ('bracket' etc.),
--- even if a signal is caught.
---
--- An exception will be thrown on the thread that called this function when a
--- signal is caught.
-withDeferSignals :: IO a -> IO a
-withDeferSignals thing = do
-  threadId <- myThreadId
-  caughtSignal <- newEmptyMVar
-
-  let signals =
-        filter (not . flip inSignalSet reservedSignals)
-          [ sigQUIT
-          , sigTERM
-          --, sigINT -- Handler already installed by GHC
-          --, sigPIPE -- Handler already installed by GHC
-          --, sigUSR1 -- Handled by setupSignalHandler
-          --, sigUSR2 -- Handled by setupSignalHandler
-
-          -- One of the following appears to cause instability, see #360
-          --, sigHUP
-          --, sigILL
-          --, sigABRT
-          --, sigFPE
-          --, sigSEGV
-          --, sigALRM
-          --, sigBUS
-          --, sigPOLL
-          --, sigPROF
-          --, sigSYS
-          --, sigTRAP
-          --, sigVTALRM
-          --, sigXCPU
-          --, sigXFSZ
-          ]
-
-  for_ signals $ \s ->
-
-      installHandler s
-        (Catch $ do
-          tryPutMVar caughtSignal s
-          hPutStrLn stderr ("xmobar: Caught signal "++show s++"; exiting...")
-          throwTo threadId ThreadKilled)
-        Nothing
-
-  thing `finally` do
-        s0 <- tryReadMVar caughtSignal
-        case s0 of
-          Nothing -> pure ()
-          Just s -> do
-            -- Run the default handler for the signal
-            -- hPutStrLn stderr ("xmobar: Running default handler for signal "++show s)
-            installHandler s Default Nothing
-            raiseSignal s
diff --git a/src/lib/Xmobar/System/StatFS.hsc b/src/lib/Xmobar/System/StatFS.hsc
deleted file mode 100644
index 529b16a..0000000
--- a/src/lib/Xmobar/System/StatFS.hsc
+++ /dev/null
@@ -1,83 +0,0 @@
------------------------------------------------------------------------------
--- |
--- Module      :  StatFS
--- Copyright   :  (c) Jose A Ortega Ruiz
--- License     :  BSD-style (see LICENSE)
---
--- Maintainer  :  Jose A Ortega Ruiz <jao@gnu.org>
--- Stability   :  unstable
--- Portability :  unportable
---
---  A binding to C's statvfs(2)
---
------------------------------------------------------------------------------
-
-{-# LANGUAGE CPP, ForeignFunctionInterface, EmptyDataDecls #-}
-
-
-module Xmobar.System.StatFS ( FileSystemStats(..), getFileSystemStats ) where
-
-import Foreign
-import Foreign.C.Types
-import Foreign.C.String
-import Data.ByteString (useAsCString)
-import Data.ByteString.Char8 (pack)
-
-#if  defined (__FreeBSD__) || defined (__OpenBSD__) ||  defined (__APPLE__) || defined (__DragonFly__)
-#define IS_BSD_SYSTEM
-#endif
-
-#ifdef IS_BSD_SYSTEM
-# include <sys/param.h>
-# include <sys/mount.h>
-#else
-# include <sys/vfs.h>
-#endif
-
-data FileSystemStats = FileSystemStats {
-  fsStatBlockSize :: Integer
-  -- ^ Optimal transfer block size.
-  , fsStatBlockCount :: Integer
-  -- ^ Total data blocks in file system.
-  , fsStatByteCount :: Integer
-  -- ^ Total bytes in file system.
-  , fsStatBytesFree :: Integer
-  -- ^ Free bytes in file system.
-  , fsStatBytesAvailable :: Integer
-  -- ^ Free bytes available to non-superusers.
-  , fsStatBytesUsed :: Integer
-  -- ^ Bytes used.
-  } deriving (Show, Eq)
-
-data CStatfs
-
-#ifdef IS_BSD_SYSTEM
-foreign import ccall unsafe "sys/mount.h statfs"
-#else
-foreign import ccall unsafe "sys/vfs.h statvfs"
-#endif
-  c_statfs :: CString -> Ptr CStatfs -> IO CInt
-
-toI :: CULong -> Integer
-toI = toInteger
-
-getFileSystemStats :: String -> IO (Maybe FileSystemStats)
-getFileSystemStats path =
-  allocaBytes (#size struct statfs) $ \vfs ->
-  useAsCString (pack path) $ \cpath -> do
-    res <- c_statfs cpath vfs
-    if res /= 0 then return Nothing
-      else do
-        bsize <- (#peek struct statfs, f_bsize) vfs
-        bcount <- (#peek struct statfs, f_blocks) vfs
-        bfree <- (#peek struct statfs, f_bfree) vfs
-        bavail <- (#peek struct statfs, f_bavail) vfs
-        let bpb = toI bsize
-        return $ Just FileSystemStats
-                       { fsStatBlockSize = bpb
-                       , fsStatBlockCount = toI bcount
-                       , fsStatByteCount = toI bcount * bpb
-                       , fsStatBytesFree = toI bfree * bpb
-                       , fsStatBytesAvailable = toI bavail * bpb
-                       , fsStatBytesUsed = toI (bcount - bfree) * bpb
-                       }