Xmonad/Config archive/adamvo's xmonad.hs: Difference between revisions

From HaskellWiki
(update to use ezconfig for most bindings, and checkKeymap)
(update to move Chords out)
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<haskell>
<haskell>
{-# OPTIONS_GHC -Wall -fno-warn-missing-signatures #-}
{-# OPTIONS_GHC -W -fno-warn-missing-signatures #-}
{-# LANGUAGE NoMonomorphismRestriction, ImplicitParams, FlexibleInstances #-}
{-# LANGUAGE NoMonomorphismRestriction, ImplicitParams, FlexibleInstances #-}
-- module Main where
import XMonad
import XMonad
import qualified XMonad.StackSet as W
import qualified XMonad.StackSet as W
Line 18: Line 20:
                             promptSearch)
                             promptSearch)
import XMonad.Actions.SpawnOn(manageSpawn, mkSpawner,
import XMonad.Actions.SpawnOn(manageSpawn, mkSpawner,
                               shellPromptHere, spawnHere)
                               shellPromptHere, spawnDescendantHere)
import XMonad.Actions.Submap(submap)
import XMonad.Actions.Submap(submap)
import XMonad.Actions.TopicSpace(TopicConfig(..), Topic, (>*>),
import XMonad.Actions.TopicSpace(TopicConfig(..), Topic, (>*>),
Line 61: Line 63:
import Graphics.X11.Xinerama(getScreenInfo)
import Graphics.X11.Xinerama(getScreenInfo)
import XMonad
import XMonad
import Control.Applicative(Applicative((<*>)), (<*), liftA2)
import Control.Applicative(Applicative((<*>)), (<*), (<$), liftA2)
import Control.Monad(Monad(return, (>>=), (>>)), Functor(..),
import Control.Monad(Monad(return, (>>=), (>>)), Functor(..),
                     (=<<), mapM, sequence, (<=<), guard, liftM, zipWithM_)
                     (=<<), mapM, sequence, (<=<), guard, liftM, zipWithM_)
Line 74: Line 76:
import System.IO(IO, Handle, hPutStrLn)
import System.IO(IO, Handle, hPutStrLn)


import XMonad.Util.Timer
import XMonad.Layout.Reflect
-- import XMonad.Layout.WMII
import Data.Traversable (traverse)
import Data.Foldable (traverse_)
-- import XMonad.Layout.Manual
import Data.IORef


import qualified Data.Set as S


import XMonad.Layout.WMII
-- import Chords
-- import XMonad.Layout.Manual


main :: IO ()
main :: IO ()
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     spawner <- mkSpawner
     spawner <- mkSpawner
     pressedKeys <- newIORef M.empty; let ?pressedKeys = pressedKeys
     pressedKeys <- newIORef M.empty; let ?pressedKeys = pressedKeys
    delay <- newIORef Nothing; let ?delay = delay
     let ?spawner = spawner
     let ?spawner = spawner
     checkTopicConfig myTopics myTopicConfig
     checkTopicConfig myTopics myTopicConfig
Line 90: Line 101:
       layoutHook = myLayout
       layoutHook = myLayout
     , focusedBorderColor = "#ff0000"
     , focusedBorderColor = "#ff0000"
     , startupHook = return () >> checkKeymap (myConfig []) (myKeys c) -- grabChords chords
     , startupHook = do
        return ()
        checkKeymap (myConfig []) (myKeys c)
    --   grabChords sampleChords
     , terminal = "urxvt"
     , terminal = "urxvt"
     , modMask = mod4Mask
     , modMask = mod4Mask
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         updatePointer (TowardsCentre 0.2 0.2)
         updatePointer (TowardsCentre 0.2 0.2)
     , handleEventHook = mconcat [
     , handleEventHook = mconcat [
    --       manageKeypresses True $ mkChords 500 300 chords,
            -- evHook 0.05 1000 sampleChords,
             ewmhDesktopsEventHook]
             ewmhDesktopsEventHook]
     , workspaces = myTopics
     , workspaces = myTopics
Line 130: Line 144:
             $ boringAuto
             $ boringAuto
             $ subLayout [] Simplest
             $ subLayout [] Simplest
             $ mosaic 1.5 [5,4,2]
             $ mosaic 1.5 [7,5,2]
             -- $ wmii 0.03 1.3
             -- $ wmii 0.03 1.3
--            $ manual 0.2
--            $ manual 0.2
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     , ("M-S-<Down>" , withFocused $ snapGrow  D Nothing)
     , ("M-S-<Down>" , withFocused $ snapGrow  D Nothing)


     , ("M-p",  shellPromptHere ?spawner myXPConfig)
     -- , ("M-p",  shellPromptHere ?spawner myXPConfig)
    , ("M4-p",  shellPromptHere ?spawner myXPConfig)
    -- , ("M3-p",  shellPromptHere ?spawner myXPConfig)


     -- , ((modm, xK_v), sendMessage $ Split 0.5 U)
     -- , ((modm, xK_v), sendMessage $ Split 0.5 U)
Line 160: Line 176:
     ,("M-o", sendMessage Wider )
     ,("M-o", sendMessage Wider )


    ,("M-p",  shellPromptHere ?spawner myXPConfig)
     ,("M-x", submap $ M.fromList subMaps)
     ,("M-x", submap $ M.fromList subMaps)
     ,("M-s", submap $ defaultSublMap c  )
     ,("M-r", submap $ defaultSublMap c  )


     ,("M-S-.", focusDown)
     ,("M-S-.", focusDown)
Line 167: Line 184:


     ,("M-S-a", currentTopicAction myTopicConfig)
     ,("M-S-a", currentTopicAction myTopicConfig)
     ,("M-a", gets (W.screen . W.current . windowset) >>= \x -> warpToScreen x  0.5 0.5 >> goToSelected gsConfig)
     ,("M-a", warpToCentre >> goToSelected gsConfig)
     ,("M-<Tab>", switchNthLastFocused myTopicConfig 1)
     ,("M-<Tab>", switchNthLastFocused myTopicConfig 1)


     ,("M-g"  , promptedGoto )
     ,("M-g"  , warpToCentre >> promptedGoto )
     ,("M-S-g", promptedShift)
     ,("M-S-g", warpToCentre >> promptedShift)
     ,("M-r"  , promptedGoto )
     ,("M-s"  , warpToCentre >> promptedGoto )
     ,("M-S-r", promptedShift)
     ,("M-S-s", warpToCentre >> promptedShift)


     ,("M-b", sendMessage ToggleStruts)
     ,("M-b", sendMessage ToggleStruts)
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           ((0, xK_f), withFocused $ windows . W.sink),
           ((0, xK_f), withFocused $ windows . W.sink),
           ((0, xK_v), refresh),
           ((0, xK_v), refresh),
           ((0, xK_c), asks config >>= spawnHere ?spawner . terminal),
           ((0, xK_c), asks config >>= spawnDescendantHere ?spawner . terminal),
           ((0, xK_k), kill)
           ((0, xK_k), kill)
           ]
           ]
Line 246: Line 263:
           f x = withDisplay $ \d -> setStringProp d mpdHost x
           f x = withDisplay $ \d -> setStringProp d mpdHost x
--------------------------------------------------------------
--------------------------------------------------------------
warpToCentre = gets (W.screen . W.current . windowset) >>= \x -> warpToScreen x  0.5 0.5


-------------------- Support for per-screen xmobars ---------
-------------------- Support for per-screen xmobars ---------
Line 343: Line 362:
       , ("music",      spawn "urxvt -e ncmpc" >> spawn "export MPD_HOST=192.168.1.2; mpc && urxvt -e ncmpc -h 192.168.1.2")
       , ("music",      spawn "urxvt -e ncmpc" >> spawn "export MPD_HOST=192.168.1.2; mpc && urxvt -e ncmpc -h 192.168.1.2")
       , ("mail",      spawn "urxvt -e mutt")
       , ("mail",      spawn "urxvt -e mutt")
       , ("irc",        spawn "urxvt -e ssh engage.uwaterloo.ca")
       , ("irc",        spawn "urxvt -e ssh engage")
       , ("dashboard",  spawnShell)
       , ("dashboard",  spawnShell)
       , ("web",        spawnHere ?spawner "firefox")
       , ("web",        spawnDescendantHere ?spawner "firefox")
       , ("movie",      spawnShell)
       , ("movie",      spawnShell)
       , ("pdf",        spawn "okular")
       , ("pdf",        spawn "okular")
       , ("gimp",      spawnHere ?spawner "gimp")
       , ("gimp",      spawnDescendantHere ?spawner "gimp")
       ]
       ]
   }
   }
Line 358: Line 377:
     -- color <- randomBg' (HSV 255 255)
     -- color <- randomBg' (HSV 255 255)
     t <- asks (terminal . config)
     t <- asks (terminal . config)
     spawnHere ?spawner $ "cd " ++ dir ++ " && " ++ t -- ++ " -bg " ++ color
     spawnDescendantHere ?spawner $ "cd " ++ dir ++ " && " ++ t -- ++ " -bg " ++ color


wsgrid = gridselect gsConfig { gs_colorizer = defaultColorizer }
wsgrid = gridselect gsConfig { gs_colorizer = defaultColorizer }
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promptedShift = wsgrid >>= \x -> whenJust x $ \y -> windows (W.greedyView y . W.shift y)
promptedShift = wsgrid >>= \x -> whenJust x $ \y -> windows (W.greedyView y . W.shift y)
------------------- Chords -----------------------------------------------------
-- a failure since xmonad isn't -threaded yet, so we can't reasonably use
-- threaddelay to send the keys that didn't turn out to be part of a chord
-- (waiting for xcb/xhb port)
mkChords :: (?pressedKeys::IORef (M.Map (KeyMask,KeyCode) Time))
        => Time -- ^ expire older keypresses than this time
        -> Time -- ^ maximum delay between consecutive keypresses in miliseconds
        -> [([(KeyMask,KeySym)],X ())]
        -> M.Map (KeyMask,KeyCode) Time
        -> X ()
mkChords oldest tdiff chords' m = do
  chords <- mkKeyCodes chords'
  let nothingIfNull [] = Nothing
      nothingIfNull xs = Just xs
  let newest = maximum $ M.elems m
      (olds,oks) = M.partition (< newest - oldest) m
  disp <- asks display
  -- this send has to happen some other time...
  let send = do
        mapM_ (\(m,ks) -> sendKey m =<< io (keycodeToKeysym disp ks 0)) $ M.keys olds
        io $ modifyIORef ?pressedKeys (foldr (.) id (map M.delete $ M.keys olds))
  maybe send (snd . maximumBy (compare `on` fst)) $ nothingIfNull $ do
  (ks,act) <- chords
  times <- maybeToList $ mapM (flip M.lookup oks) ks
  guard $ all (\x -> x<tdiff && x>=0)
            $ zipWith subtract <*> tail $ map fromIntegral times
  return (length ks,act)
mkKeyCodes :: [([(a, KeySym)], b)] -> X [([(a, KeyCode)], b)]
mkKeyCodes y = do
    d <- asks display
    mapM (\(x,y) -> let (masks,syms) = unzip x
        in liftM (flip (,) y . zip masks) $ mapM (liftIO . keysymToKeycode d) syms) y
manageKeypresses :: (?pressedKeys::IORef (M.Map (KeyMask, KeyCode) Time), MonadIO m) =>Bool -> (M.Map (KeyMask, KeyCode) Time -> m b) -> Event -> m All
manageKeypresses ignoreRelease checkMap (KeyEvent { ev_event_type = ty, ev_keycode = k, ev_time = t, ev_state = mod } )
    | ty == keyPress = do
        modKs $ M.filterWithKey (flip $ const ((k/=) . snd))
        modKs $ M.insert (mod,k) t
        checkMap =<< liftIO (readIORef ?pressedKeys)
        return (All True)
    | not ignoreRelease && ty == keyRelease = do
        modKs $ M.filterWithKey (flip $ const ((k/=) . snd))
        return (All True)
  where modKs = io . modifyIORef ?pressedKeys
manageKeypresses _ _ _ = return (All True)
-- addSendKeys :: [([(KeyMask, KeySym)], X ())] -> [([(KeyMask, KeySym)], X ())]
chords ::  [([(KeyMask, KeySym)], X ())]
chords = [([(mod4Mask,xK_z),(mod4Mask,xK_c)],spawn "xmessage hahaahah it works" :: X ())]
-- Ripped out of XMonad.Main.grabKeys
grabChords :: [([(ButtonMask, KeySym)], X())] -> X ()
grabChords c = do
    XConf { display = dpy, theRoot = rootw } <- ask
    let grab m ks = do
            kc <- keysymToKeycode dpy ks
            grabKey dpy kc m rootw True grabModeAsync grabModeAsync
    mapM_ (io . uncurry grab) $ concatMap fst c
--------------------------------------------------------------------------------
</haskell>
</haskell>

Revision as of 18:55, 19 September 2009

Xmonad/Config archive/adamvo's xmobarrc (0.9.2)

{-# OPTIONS_GHC -W -fno-warn-missing-signatures #-}
{-# LANGUAGE NoMonomorphismRestriction, ImplicitParams, FlexibleInstances #-}
-- module Main where

import XMonad
import qualified XMonad.StackSet as W
import qualified Data.Map as M

-- Update these with:  ghc -ddump-minimal-imports
import XMonad.Actions.DwmPromote(dwmpromote)
import XMonad.Actions.FloatSnap(Direction(..), snapGrow, snapMove,
                                snapShrink)
import XMonad.Actions.GridSelect(defaultColorizer, gridselect,
                                 GSConfig(gs_colorizer, gs_navigate), defaultGSConfig, goToSelected)
import XMonad.Actions.Search(mathworld, wikipedia, multi,
                             promptSearch)
import XMonad.Actions.SpawnOn(manageSpawn, mkSpawner,
                              shellPromptHere, spawnDescendantHere)
import XMonad.Actions.Submap(submap)
import XMonad.Actions.TopicSpace(TopicConfig(..), Topic, (>*>),
                                 checkTopicConfig, currentTopicAction, currentTopicDir,
                                 pprWindowSet, shiftNthLastFocused, switchNthLastFocused,
                                 switchTopic)
import XMonad.Actions.UpdatePointer(PointerPosition(TowardsCentre),
                                    updatePointer)
import XMonad.Actions.Warp(warpToScreen)
import XMonad.Hooks.DynamicLog(PP(ppSep, ppCurrent, ppHidden,
                                  ppVisible, ppLayout, ppTitle),
                               dynamicLogString, defaultPP, xmobarColor, sjanssenPP)
import XMonad.Hooks.EwmhDesktops(ewmhDesktopsEventHook,
                                 ewmhDesktopsLogHook)
import XMonad.Hooks.ManageDocks(ToggleStruts(ToggleStruts),
                                avoidStruts, manageDocks)
import XMonad.Hooks.ManageHelpers(doFullFloat, isFullscreen)
import XMonad.Hooks.UrgencyHook(FocusHook(..), withUrgencyHook)
import XMonad.Layout.BoringWindows(boringAuto, focusDown, focusUp)
import XMonad.Layout.LayoutHints(layoutHintsToCenter)
import XMonad.Layout.Mosaic(Aspect(Wider, Taller), mosaic)
import XMonad.Layout.Named(named)
import XMonad.Layout.NoBorders(Ambiguity(Screen), lessBorders,
                               noBorders)
import XMonad.Layout.Simplest(Simplest(..))
import XMonad.Layout.SubLayouts(GroupMsg(UnMergeAll, UnMerge,
                                         MergeAll),
                                defaultSublMap, onGroup, pullGroup, pushWindow, subLayout)
import XMonad.Layout.Tabbed(defaultTheme, shrinkText, addTabs)
import XMonad.Layout.WindowNavigation(Navigate(Swap, Go),
                                      configurableNavigation, navigateColor)
import XMonad.Prompt(XPConfig(font), XPrompt(showXPrompt),
                     greenXPConfig, mkXPrompt)
import XMonad.Prompt.RunOrRaise(runOrRaisePrompt)
import XMonad.Prompt.Ssh(sshPrompt)
import XMonad.Prompt.Window(windowPromptGoto)
import XMonad.Prompt.XMonad(xmonadPrompt)
import XMonad.Util.EZConfig(additionalKeysP, checkKeymap)
import XMonad.Util.StringProp(setStringProp, getStringProp)
import XMonad.Util.Run(spawnPipe)
import XMonad.Util.Paste(sendKey)
import Graphics.X11.Xinerama(getScreenInfo)
import XMonad
import Control.Applicative(Applicative((<*>)), (<*), (<$), liftA2)
import Control.Monad(Monad(return, (>>=), (>>)), Functor(..),
                     (=<<), mapM, sequence, (<=<), guard, liftM, zipWithM_)
import Data.Function((.), const, ($), flip, id, on)
import Data.IORef(IORef, newIORef, readIORef, modifyIORef)
import Data.List((++), foldr, filter, zip, map, all, concatMap,
                 length, repeat, tail, unzip, zipWith, maximum, unwords, isPrefixOf,
                 intercalate, maximumBy, nub)
import Data.Maybe(Maybe(..), maybe, catMaybes, fromMaybe,
                  maybeToList)
import Data.Monoid(Monoid(mconcat), All(All))
import System.IO(IO, Handle, hPutStrLn)

import XMonad.Util.Timer
import XMonad.Layout.Reflect

-- import XMonad.Layout.WMII
import Data.Traversable (traverse)
import Data.Foldable (traverse_)
-- import XMonad.Layout.Manual
import Data.IORef

import qualified Data.Set as S

-- import Chords

main :: IO ()
main = do
    spawner <- mkSpawner
    pressedKeys <- newIORef M.empty; let ?pressedKeys = pressedKeys
    delay <- newIORef Nothing; let ?delay = delay
    let ?spawner = spawner
    checkTopicConfig myTopics myTopicConfig
    xmonad . withUrgencyHook FocusHook . myConfig =<< mapM xmobarScreen =<< getScreens

myConfig hs = let c = defaultConfig {
      layoutHook = myLayout
    , focusedBorderColor = "#ff0000"
    , startupHook = do
        return ()
        checkKeymap (myConfig []) (myKeys c)
    --    grabChords sampleChords
    , terminal = "urxvt"
    , modMask = mod4Mask
    , logHook = do
        ewmhDesktopsLogHook
        multiPP'
            (mergePPOutputs [pprWindowSet myTopicConfig,dynamicLogString . onlyTitle])
            myPP
            myPP { ppTitle = const "" }
            hs
        updatePointer (TowardsCentre 0.2 0.2)
    , handleEventHook = mconcat [
            -- evHook 0.05 1000 sampleChords,
            ewmhDesktopsEventHook]
    , workspaces = myTopics
    , manageHook = composeAll [
                    -- fmap ("Shiretoko" `isInfixOf`) className --> doShift "web" <+> ,
                    manageSpawn ?spawner,
                    isFullscreen --> doFullFloat,
                    manageDocks]
    } in additionalKeysP c (myKeys c)

myXPConfig :: XPConfig
myXPConfig = greenXPConfig { font = "xft:Profont:pixelsize=15:autohint=true" }

gsConfig = defaultGSConfig { gs_navigate = neiu `M.union` gs_navigate defaultGSConfig }
    where neiu = M.map (\(x,y) (a,b) -> (x+a,y+b)) $ M.fromList
            [((0,xK_n),(-1,0))
            ,((0,xK_e),(0,1))
            ,((0,xK_i),(1,0))
            ,((0,xK_u),(0,-1))]

-------------------- Layout ----------------------------------
myLayout = avoidStruts $ named "M" m ||| named "F" (noBorders Full)
    where m = lessBorders Screen
            $ layoutHintsToCenter
            $ addTabs shrinkText defaultTheme
            $ configurableNavigation (navigateColor "#ffff00")
            $ boringAuto
            $ subLayout [] Simplest
            $ mosaic 1.5 [7,5,2]
            -- $ wmii 0.03 1.3
--            $ manual 0.2
--------------------------------------------------------------
-------------------- Keys ------------------------------------
myKeys c =
    [ ("M-<Left>"   , withFocused $ snapMove L Nothing  )
    , ("M-<Right>"  , withFocused $ snapMove R Nothing  )
    , ("M-<Up>"     , withFocused $ snapMove U Nothing  )
    , ("M-<Down>"   , withFocused $ snapMove D Nothing  )
    , ("M-S-<Left>" , withFocused $ snapShrink R Nothing)
    , ("M-S-<Right>", withFocused $ snapGrow   R Nothing)
    , ("M-S-<Up>"   , withFocused $ snapShrink D Nothing)
    , ("M-S-<Down>" , withFocused $ snapGrow   D Nothing)

    -- , ("M-p",  shellPromptHere ?spawner myXPConfig)
    , ("M4-p",  shellPromptHere ?spawner myXPConfig)
    -- , ("M3-p",  shellPromptHere ?spawner myXPConfig)

    -- , ((modm, xK_v), sendMessage $ Split 0.5 U)
    -- , ((modm .|. shiftMask, xK_v), addLeft)
    -- , ((modm .|. controlMask, xK_v), addRight)

    ,("M-S-o"  , withFocused $ sendMessage . UnMerge   )
    ,("M-S-C-o", withFocused $ sendMessage . UnMergeAll)
    ,("M-C-m"  , withFocused $ sendMessage . MergeAll  )
    ,("M-C-."  , onGroup W.focusDown')
    ,("M-C-,"  , onGroup W.focusUp'  )

    ,("M-;", sendMessage Taller)
    ,("M-o", sendMessage Wider )

    ,("M-p",  shellPromptHere ?spawner myXPConfig)
    ,("M-x", submap $ M.fromList subMaps)
    ,("M-r", submap $ defaultSublMap c  )

    ,("M-S-.", focusDown)
    ,("M-S-,", focusUp  )

    ,("M-S-a", currentTopicAction myTopicConfig)
    ,("M-a", warpToCentre >> goToSelected gsConfig)
    ,("M-<Tab>", switchNthLastFocused myTopicConfig 1)

    ,("M-g"  , warpToCentre >> promptedGoto )
    ,("M-S-g", warpToCentre >> promptedShift)
    ,("M-s"  , warpToCentre >> promptedGoto )
    ,("M-S-s", warpToCentre >> promptedShift)

    ,("M-b", sendMessage ToggleStruts)
    ,("M-<Return>", dwmpromote)
    ,("M-S-<Return>", spawnShell)
    -- don't force a recompile, if nothing has changed (xmonad --recompile runs XMonad.recompile True)
    ,("M-q", spawn $ "ghc -e 'XMonad.recompile False >>= flip Control.Monad.unless System.Exit.exitFailure'"
                            ++ "&& xmonad --restart")
    ,("M-S-q", spawn "~/wip/x11-wm/xmonad/rebuild.sh")
    ,("<Print>",  spawn "scrot")
    ]
    ++
    concatMap (\(m,f) -> lrud ("M-"++m) f)
        [("S-"  , sendMessage . Swap)
        ,("C-"  , sendMessage . pullGroup)
        ,("S-C-", sendMessage . pushWindow)
        ,(""    , sendMessage . Go)]
    ++ mediaKeys ++
    [("M-"++m++[key], screenWorkspace sc >>= flip whenJust (windows . f)) |
        (f, m) <- [(W.view, ""), (W.shift, "S-")],
        (key, sc) <- zip "fw" [0 .. ]]
    ++
    [ ("M-"++m++[k], a i)
        | (a, m) <- [(switchNthLastFocused myTopicConfig,""),(shiftNthLastFocused, "S-")]
        , (i, k) <- zip [1..] "123456789"]

-- helper for windowNavigation keys
--    note: with colemak neiu are placed where jkli are with qwerty layout
lrud :: String -> (Direction -> b) -> [(String, b)]
lrud m cmd = zip ks cmds
    where
      ks   = zipWith (++) (repeat m) $ map return "niue"
      cmds = zipWith ($) (repeat cmd) [L,R,U,D]

subMaps = [((0, xK_o),  runOrRaisePrompt myXPConfig),
           ((0, xK_p),  shellPromptHere ?spawner myXPConfig),
           ((0, xK_x), xmonadPrompt myXPConfig),
           ((0, xK_z), sshPrompt myXPConfig),
           ((shiftMask, xK_w), windowPromptGoto myXPConfig),
           ((0, xK_w), promptSearch myXPConfig wikipedia),
           ((0, xK_s), promptSearch myXPConfig multi),
           ((0, xK_m), promptSearch myXPConfig mathworld),
           ((0, xK_b), sendMessage ToggleStruts),
           ((0, xK_f), withFocused $ windows . W.sink),
           ((0, xK_v), refresh),
           ((0, xK_c), asks config >>= spawnDescendantHere ?spawner . terminal),
           ((0, xK_k), kill)
           ]

mediaKeys = [("<XF86AudioPlay>", mpcAct "toggle"),
             ("<XF86AudioStop>", hostPrompt),
             ("<XF86AudioNext>", mpcAct "next"),
             ("<XF86AudioPrev>", mpcAct "prev"),
             ("<XF86AudioMute>", spawn "ossmix vmix0-outvol 0"),
             ("S-<XF86AudioMute>", spawn "~/bin/speakers.sh"),
             ("<XF86AudioLowerVolume>",   spawn "ossmix vmix0-outvol -- -1"),
             ("S-<XF86AudioLowerVolume>", spawn "ossmix vmix0-outvol -- -0.1"),
             ("<XF86AudioRaiseVolume>",   spawn "ossmix vmix0-outvol +1"),
             ("S-<XF86AudioRaiseVolume>", spawn "ossmix vmix0-outvol +0.1"),
             ("<XF86Sleep>",              spawn "sudo sh -c 'echo mem > /sys/power/state'")]
    where mpcAct c = do
            h <- withDisplay $ flip getStringProp mpdHost
            spawn $ unwords ["export MPD_HOST="++fromMaybe "localhost" h,";","mpc",c]

mpdHost = "XMONAD_MPD_HOST"

-- Prompt for mpd host
data HostPrompt = HostPrompt
instance XPrompt HostPrompt where showXPrompt _ = "Pick MPD Host: "
hostPrompt = mkXPrompt HostPrompt myXPConfig (return . compl) f
    where compl s = nub $ filter (s `isPrefixOf`) ["localhost","dell"]
          f x = withDisplay $ \d -> setStringProp d mpdHost x
--------------------------------------------------------------

warpToCentre = gets (W.screen . W.current . windowset) >>= \x -> warpToScreen x  0.5 0.5

-------------------- Support for per-screen xmobars ---------
-- Some parts of this should be merged into contrib sometime
getScreens :: IO [Int]
getScreens = openDisplay "" >>= liftA2 (<*) f closeDisplay
    where f = fmap (zipWith const [0..]) . getScreenInfo

multiPP :: PP -- ^ The PP to use if the screen is focused
        -> PP -- ^ The PP to use otherwise
        -> [Handle] -- ^ Handles for the status bars, in order of increasing X
                    -- screen number
        -> X ()
multiPP = multiPP' dynamicLogString

multiPP' :: (PP -> X String) -> PP -> PP -> [Handle] -> X ()
multiPP' dynlStr focusPP unfocusPP handles = do
    state <- get
    let pickPP :: WorkspaceId -> X PP
        pickPP ws = do
            let foc = W.tag . W.workspace . W.current $ windowset state
            put state { windowset = W.view ws $ windowset state }
            return $ if ws == foc then focusPP else unfocusPP
    io . zipWithM_ hPutStrLn handles
            =<< mapM (dynlStr <=< pickPP) . catMaybes
            =<< mapM screenWorkspace (zipWith const [0..] handles)
    put state

mergePPOutputs :: [PP -> X String] -> PP -> X String
mergePPOutputs x pp = fmap (intercalate (ppSep pp)) . sequence $ map ($ pp) x

onlyTitle :: PP -> PP
onlyTitle pp = defaultPP { ppCurrent = const ""
                         , ppHidden = const ""
                         , ppVisible = const ""
                         , ppLayout = ppLayout pp
                         , ppTitle = ppTitle pp }

-- | Requires a recent addition to xmobar (>0.9.2), otherwise you have to use
-- multiple configuration files, which gets messy
xmobarScreen :: Int -> IO Handle
xmobarScreen = spawnPipe . ("~/.cabal/bin/xmobar -x " ++) . show

myPP :: PP
myPP = sjanssenPP { ppLayout = xmobarColor "orange" "" }
--------------------------------------------------------------

-------------------- X.Actions.TopicSpace --------------------
myTopics :: [Topic]
myTopics =
  [ "dashboard"
  , "web"
  , "haskell"
  , "irc"
  , "admin"
  , "documents"
  , "gimp"
  , "gitit"
  , "mail"
  , "movie"
  , "music"
  , "pdf"
  , "xmonad-conf"
  , "xmonad-contrib"
  , "xmonad-extras"
  , "xmonad-newconfig"
  , "xmobar"
  , "wip"
  ]

myTopicConfig = TopicConfig
  { topicDirs = M.fromList $
      [ ("dashboard", "./")
      , ("haskell", "haskell")
      , ("xmonad-conf", ".xmonad")
      , ("xmonad-extras", "wip/x11-wm/xmonad/extras/xmonad-extras/XMonad")
      , ("xmonad-newconfig", "wip/x11-wm/xmonad/core/xmonad-newconfig")
      , ("xmonad-contrib", "wip/x11-wm/xmonad/contrib/XMonadContrib/XMonad")
      , ("xmobar", "wip/x11-wm/xmobar")
      , ("movie", "media/movie")
      , ("music", "media/music")
      , ("documents", "doc")
      , ("pdf", "ref")
      , ("gitit", "wip/gitit")
      , ("gimp", "./")
      , ("wip", "wip")
      ]
  , defaultTopicAction = const $ spawnShell >*> 2
  , defaultTopic = "dashboard"
  , maxTopicHistory = 10
  , topicActions = M.fromList $
      [ ("xmonad-conf", spawnShellIn ".xmonad/lib/XMonad/Layout" >>
                        spawn "urxvt -e vim ~/.xmonad/xmonad.hs")
      , ("xmonad-contrib", spawnShell >*> 2)
      , ("xmonad-newconfig", spawn "urxvt -e vim ~/wip/x11-wm/xmonad/core/xmonad-newconfig/XMonad/ConfigMonad.hs")
      , ("xmobar",     spawnShellIn "wip/x11-wm/xmobar/Plugins" >*> 2)
      , ("music",      spawn "urxvt -e ncmpc" >> spawn "export MPD_HOST=192.168.1.2; mpc && urxvt -e ncmpc -h 192.168.1.2")
      , ("mail",       spawn "urxvt -e mutt")
      , ("irc",        spawn "urxvt -e ssh engage")
      , ("dashboard",  spawnShell)
      , ("web",        spawnDescendantHere ?spawner "firefox")
      , ("movie",      spawnShell)
      , ("pdf",        spawn "okular")
      , ("gimp",       spawnDescendantHere ?spawner "gimp")
      ]
  }

-- From the sample config in TopicSpace, these should probably be exported from that module
spawnShell = currentTopicDir myTopicConfig >>= spawnShellIn

spawnShellIn dir = do
    -- color <- randomBg' (HSV 255 255)
    t <- asks (terminal . config)
    spawnDescendantHere ?spawner $ "cd " ++ dir ++ " && " ++ t -- ++ " -bg " ++ color

wsgrid = gridselect gsConfig { gs_colorizer = defaultColorizer }
          =<< asks (map (\x -> (x,x)) . workspaces . config)

promptedGoto = wsgrid >>= flip whenJust (switchTopic myTopicConfig)

promptedShift = wsgrid >>= \x -> whenJust x $ \y -> windows (W.greedyView y . W.shift y)