xmonad-config/bin/xmonad.hs

693 lines
22 KiB
Haskell

{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE MultiWayIf #-}
module Main (main) where
import ACPI
import DBus.Common
import DBus.IntelBacklight
import DBus.Screensaver
import Notify
import Process
import SendXMsg
import Shell
import qualified Theme as T
import WorkspaceMon
import Control.Arrow (first)
import Control.Concurrent
import Control.Monad
( forM
, forM_
, liftM2
, mapM_
, void
, when
)
import Data.List
( find
, isPrefixOf
, sortBy
, sortOn
)
import qualified Data.Map.Lazy as M
import Data.Maybe (catMaybes, isJust)
import Data.Monoid (All (..))
import DBus.Client (Client)
import Graphics.X11.Types
import Graphics.X11.Xlib.Atom
import Graphics.X11.Xlib.Extras
import Graphics.X11.Xrandr
import System.Directory
import System.Exit
import System.IO
import System.Posix.IO
import System.Posix.Process
import System.Posix.Types
import Text.Read (readMaybe)
import Xmobar.Common
import XMonad
import XMonad.Actions.CopyWindow
import XMonad.Actions.CycleWS
import XMonad.Actions.DynamicWorkspaces
import XMonad.Actions.PhysicalScreens
import XMonad.Actions.Volume
import XMonad.Actions.Warp
import XMonad.Hooks.EwmhDesktops
import XMonad.Hooks.ManageDocks
import XMonad.Hooks.ManageHelpers
-- import XMonad.Layout.LayoutCombinators hiding ((|||))
-- import XMonad.Layout.Master
import XMonad.Layout.NoBorders
import XMonad.Layout.NoFrillsDecoration
import XMonad.Layout.PerWorkspace
import XMonad.Layout.Renamed
-- import XMonad.Layout.Simplest
import XMonad.Layout.Tabbed
import XMonad.Prompt
import XMonad.Prompt.ConfirmPrompt
import qualified XMonad.StackSet as W
import XMonad.Util.EZConfig
import XMonad.Util.NamedActions
import XMonad.Util.Run
main :: IO ()
main = do
dbClient <- startXMonadService
(barPID, h) <- spawnPipe' "xmobar"
_ <- forkIO runPowermon
_ <- forkIO runWorkspaceMon'
launch
$ ewmh
$ addDescrKeys' ((myModMask, xK_F1), showKeybindings) (mkKeys [barPID] dbClient)
$ def { terminal = myTerm
, modMask = myModMask
, layoutHook = myLayouts
, manageHook = myManageHook <+> manageDocks <+> manageHook def
, handleEventHook = myEventHook <+> docksEventHook <+> handleEventHook def
, startupHook = docksStartupHook <+> startupHook def
, workspaces = myWorkspaces
, logHook = myLoghook h
, clickJustFocuses = False
, focusFollowsMouse = False
, normalBorderColor = T.bordersColor
, focusedBorderColor = T.selectedBordersColor
}
runWorkspaceMon' :: IO ()
runWorkspaceMon' = runWorkspaceMon
$ fromList [ (myGimpClass, myGimpWorkspace)
, (myVMClass, myVMWorkspace)
, (myXSaneClass, myXSaneWorkspace)
]
spawnPipe' :: MonadIO m => String -> m (ProcessID, Handle)
spawnPipe' x = io $ do
(rd, wr) <- createPipe
setFdOption wr CloseOnExec True
h <- fdToHandle wr
hSetBuffering h LineBuffering
p <- xfork $ do
_ <- dupTo rd stdInput
executeFile "/bin/sh" False ["-c", x] Nothing
closeFd rd
return (p, h)
myWorkspaces :: [String]
myWorkspaces = map show [1..10 :: Int]
myLayouts = onWorkspace myVMWorkspace vmLayout
$ onWorkspace myGimpWorkspace gimpLayout
$ tall ||| single ||| full
where
addTopBar = noFrillsDeco shrinkText T.tabbedTheme
tall = renamed [Replace "Tall"]
$ avoidStruts
$ addTopBar
$ noBorders
$ Tall 1 0.03 0.5
single = renamed [Replace "Tabbed"]
$ avoidStruts
$ noBorders
$ tabbedAlways shrinkText T.tabbedTheme
full = renamed [Replace "Full"]
$ noBorders Full
vmLayout = noBorders Full
-- TODO use a tabbed layout for multiple master windows
gimpLayout = renamed [Replace "Gimp Layout"]
$ avoidStruts
$ noBorders
$ addTopBar
$ Tall 1 0.025 0.8
-- | Format workspace and layout in loghook
-- The format will be like "[<1> 2 3] 4 5 | LAYOUT" where each digit
-- is the workspace and LAYOUT is the current layout. Each workspace
-- in the brackets is currently visible and the order reflects the
-- physical location of each screen. The "<>" is the workspace
-- that currently has focus
myLoghook :: Handle -> X ()
myLoghook h = withWindowSet $ io . hPutStrLn h . myWindowSetXinerama
myWindowSetXinerama
:: LayoutClass layout a1 =>
W.StackSet String (layout a1) a2 ScreenId ScreenDetail -> String
myWindowSetXinerama ws = wsString ++ sep ++ layout
where
wsString = wrapColorBg T.backdropFgColor "" $ onscreen ++ offscreen'
offscreen' = if null offscreen then "" else " " ++ offscreen
sep = wrapColorBg T.backdropFgColor "" " : "
onscreen = wrapColorBg hilightFgColor hilightBgColor
$ (\s -> " " ++ s ++ " ")
$ unwords
$ map (fmtTags . W.tag . W.workspace)
. sortBy compareXCoord
$ W.current ws : W.visible ws
fmtTags t = if t == W.currentTag ws
then wrapColorBg T.fgColor hilightBgColor t
else t
offscreen = unwords
$ map W.tag
. filter (isJust . W.stack)
. sortOn W.tag
$ W.hidden ws
hilightBgColor = "#8fc7ff"
hilightFgColor = T.blend' 0.5 hilightBgColor T.fgColor
layout = description . W.layout . W.workspace . W.current $ ws
compareXCoord s0 s1 = compare x0 x1
where
(_, Rectangle x0 _ _ _) = getScreenIdAndRectangle s0
(_, Rectangle x1 _ _ _) = getScreenIdAndRectangle s1
viewShift = doF . liftM2 (.) W.view W.shift
appendViewShift tag = liftX (appendWorkspace tag) >> viewShift tag
($?) :: Query a -> (a -> Bool) -> Query Bool
($?) q f = f <$> q
matchGimpRole :: String -> Query Bool
matchGimpRole role = stringProperty "WM_WINDOW_ROLE" $? isPrefixOf role
<&&> className =? myGimpClass
moveBottom :: W.StackSet i l a s sd -> W.StackSet i l a s sd
moveBottom = W.modify' $ \(W.Stack f t b) -> W.Stack f (reverse b ++ t) []
myManageHook :: ManageHook
myManageHook = composeOne
[ isDialog -?> doCenterFloat
-- VM window
, className =? myVMClass -?> appendViewShift myVMWorkspace
-- GIMP
, matchGimpRole "gimp-image-window" -?> appendViewShift myGimpWorkspace
, matchGimpRole "gimp-dock" -?> doF (moveBottom . W.focusMaster)
, matchGimpRole "gimp-toolbox" -?> doF (moveBottom . W.focusMaster)
, className =? myGimpClass -?> appendViewShift myGimpWorkspace
-- XSane
, className =? myXSaneClass -?> appendViewShift myXSaneWorkspace >> doFloat
-- the seafile applet
, className =? "Seafile Client" -?> doFloat
-- gnucash
, (className =? "Gnucash" <&&> title =? "Transaction Import Assistant") -?> doFloat
-- plots and graphics created by R
, className =? "R_x11" -?> doFloat
, className =? "mpv" -?> doFloat
-- the floating windows created by the brave browser
, stringProperty "WM_NAME" =? "Brave" -?> doFloat
, (stringProperty "WM_WINDOW_ROLE" =? "pop-up"
<&&> className =? "Brave-browser") -?> doFloat
-- the dialog windows created by the zotero addon in Google Docs
, (className =? "Zotero" <&&> resource =? "Toplevel") -?> doFloat
]
myEventHook :: Event -> X All
myEventHook ClientMessageEvent { ev_message_type = t, ev_data = d }
| t == bITMAP = do
let (xtype, tag) = splitXMsg d
case xtype of
Workspace -> removeEmptyWorkspaceByTag tag
ACPI -> do
let acpiTag = toEnum <$> readMaybe tag :: Maybe ACPIEvent
forM_ acpiTag $ \case
Power -> runPowerPrompt
Sleep -> confirmPrompt T.promptTheme "suspend?" runSuspend
LidClose -> do
status <- io isDischarging
forM_ status $ \s -> runScreenLock >> when s runSuspend
return (All True)
myEventHook _ = return (All True)
data PowerPrompt = PowerPrompt
instance XPrompt PowerPrompt where
showXPrompt PowerPrompt = "(P)oweroff (S)uspend (H)ibernate (R)eboot:"
runScreenLock :: X ()
runScreenLock = spawn "screenlock"
runPowerOff :: X ()
runPowerOff = spawn "systemctl poweroff"
runSuspend :: X ()
runSuspend = spawn "systemctl suspend"
runHibernate :: X ()
runHibernate = spawn "systemctl hibernate"
runReboot :: X ()
runReboot = spawn "systemctl reboot"
data PowerAction = Poweroff
| Shutdown
| Hibernate
| Reboot
deriving (Eq)
instance Enum PowerAction where
toEnum 0 = Poweroff
toEnum 1 = Shutdown
toEnum 2 = Hibernate
toEnum 3 = Reboot
toEnum _ = errorWithoutStackTrace "Main.Enum.PowerAction.toEnum: bad argument"
fromEnum Poweroff = 0
fromEnum Shutdown = 1
fromEnum Hibernate = 2
fromEnum Reboot = 3
runPowerPrompt :: X ()
runPowerPrompt = mkXPrompt PowerPrompt theme comp executeAction
where
comp = mkComplFunFromList []
theme = T.promptTheme { promptKeymap = keymap }
keymap = M.fromList
$ ((controlMask, xK_g), quit) :
map (first $ (,) 0)
[ (xK_p, sendAction Poweroff)
, (xK_s, sendAction Shutdown)
, (xK_h, sendAction Hibernate)
, (xK_r, sendAction Reboot)
, (xK_Return, quit)
, (xK_Escape, quit)
]
sendAction a = setInput (show $ fromEnum a) >> setSuccess True >> setDone True
executeAction a = case toEnum $ read a of
Poweroff -> runPowerOff
Shutdown -> runScreenLock >> runSuspend
Hibernate -> runScreenLock >> runHibernate
Reboot -> runReboot
runQuitPrompt :: X ()
runQuitPrompt = confirmPrompt T.promptTheme "quit?" $ io exitSuccess
-- TODO for some reason the screen never wakes up after suspend when
-- the nvidia card is up, so block suspend if nvidia card is running
-- and warn user
isUsingNvidia :: IO Bool
isUsingNvidia = doesDirectoryExist "/sys/module/nvidia"
runOptimusPrompt :: X ()
runOptimusPrompt = do
nvidiaOn <- io isUsingNvidia
switch $ if nvidiaOn then "intel" else "nvidia"
where
switch mode = confirmPrompt T.promptTheme (prompt mode) (cmd mode)
prompt mode = "gpu switch to " ++ mode ++ "?"
cmd mode = spawnCmd "optimus-manager"
["--switch", mode, "--no-confirm"]
>> io exitSuccess
-- shell commands
myTerm :: String
myTerm = "urxvt"
runTerm :: X ()
runTerm = spawn myTerm
runCalc :: X ()
runCalc = spawnCmd myTerm ["-e", "R"]
myDmenuCmd :: String
myDmenuCmd = "rofi"
-- | Focus rofi on the current workspace always
-- Apparently xrandr and xinerama order monitors differently, which
-- means they have different indices. Since rofi uses the former and
-- xmonad uses the latter, this function is to figure out the xrandr
-- screen name based on the xinerama screen that is currently in
-- focus. The steps to do this:
-- 1) get the coordinates of the currently focuses xinerama screen
-- 2) get list of Xrandr outputs and filter which ones are connected
-- 3) match the coordinates of the xinerama screen with the xrandr
-- output and return the latter's name (eg "DP-0") which can be
-- fed to Rofi
getMonitorName :: X (Maybe String)
getMonitorName = do
dpy <- asks display
root <- asks theRoot
-- these are the focused screen coordinates according to xinerama
(sx, sy) <- getCoords
io $ do
res <- xrrGetScreenResourcesCurrent dpy root
outputs <- forM res $ \res' ->
forM (xrr_sr_outputs res') $ \output -> do
oi <- xrrGetOutputInfo dpy res' output
case oi of
-- connection: 0 == connected, 1 == disconnected
Just XRROutputInfo { xrr_oi_connection = 0
, xrr_oi_name = name
, xrr_oi_crtc = crtc
} -> do
ci <- xrrGetCrtcInfo dpy res' crtc
return $ (\ci' -> Just (name, xrr_ci_x ci', xrr_ci_y ci'))
=<< ci
_ -> return Nothing
return $ (\(name, _, _) -> Just name)
=<< find (\(_, x, y) -> x == sx && y == sy) . catMaybes
=<< outputs
where
getCoords = do
(Rectangle x y _ _) <- getFocusedScreen
return (fromIntegral x, fromIntegral y)
getFocusedScreen :: X Rectangle
getFocusedScreen = withWindowSet $ return . screenRect . W.screenDetail . W.current
spawnDmenuCmd :: String -> [String] -> X ()
spawnDmenuCmd cmd args = do
name <- getMonitorName
case name of
Just n -> spawnCmd cmd $ ["-m", n] ++ args
Nothing -> io $ putStrLn "fail"
spawnDmenuCmd' :: [String] -> X ()
spawnDmenuCmd' = spawnDmenuCmd myDmenuCmd
runCmdMenu :: X ()
runCmdMenu = spawnDmenuCmd' ["-show", "run"]
runAppMenu :: X ()
runAppMenu = spawnDmenuCmd' ["-show", "drun"]
runClipMenu :: X ()
runClipMenu = spawnDmenuCmd'
[ "-modi", "\"clipboard:greenclip print\""
, "-show", "clipboard"
, "-run-command", "'{cmd}'"
, "-theme-str", "'#element.selected.normal { background-color: #00c44e; }'"
]
runWinMenu :: X ()
runWinMenu = spawnDmenuCmd' ["-show", "window"]
runNetMenu :: X ()
runNetMenu = spawnDmenuCmd "networkmanager_dmenu" []
runDevMenu :: X ()
runDevMenu = spawnDmenuCmd "rofi-devices" []
runBrowser :: X ()
runBrowser = spawn "brave"
runEditor :: X ()
runEditor = spawnCmd "emacsclient"
["-c", "-e", "\"(select-frame-set-input-focus (selected-frame))\""]
runFileManager :: X ()
runFileManager = spawn "pcmanfm"
getScreenshotDir :: IO FilePath
getScreenshotDir = do
h <- getHomeDirectory
return $ h ++ "/Pictures/screenshots"
runFlameshot :: String -> X ()
runFlameshot mode = do
ssDir <- io getScreenshotDir
spawnCmd "flameshot" $ mode : ["-p", ssDir]
-- TODO this will steal focus from the current window (and puts it
-- in the root window?) ...need to fix
runAreaCapture :: X ()
runAreaCapture = runFlameshot "gui"
-- myWindowCap = "screencap -w" --external script
runScreenCapture :: X ()
runScreenCapture = runFlameshot "screen"
runDesktopCapture :: X ()
runDesktopCapture = runFlameshot "full"
runCleanup :: [ProcessID] -> Client -> X ()
runCleanup ps client = io $ do
mapM_ killPID ps
stopXMonadService client
runRestart :: X ()
runRestart = restart "xmonad" True
runRecompile :: X ()
runRecompile = do
-- assume that the conf directory contains a valid stack project
-- TODO this is hacky AF
confDir <- getXMonadDir
spawn $ cmd confDir
where
cmd c = fmtCmd "cd" [c]
#!&& fmtCmd "stack" ["install", ":xmonad"]
#!&& fmtNotifyCmd defNoteInfo { body = Just $ Text "compilation succeeded" }
#!|| fmtNotifyCmd defNoteError { body = Just $ Text "compilation failed" }
myMultimediaCtl :: String
myMultimediaCtl = "playerctl"
runTogglePlay :: X ()
runTogglePlay = spawnCmd myMultimediaCtl ["play-pause"]
runPrevTrack :: X ()
runPrevTrack = spawnCmd myMultimediaCtl ["previous"]
runNextTrack :: X ()
runNextTrack = spawnCmd myMultimediaCtl ["next"]
runStopPlay :: X ()
runStopPlay = spawnCmd myMultimediaCtl ["stop"]
runVolumeDown :: X ()
runVolumeDown = void (lowerVolume 2)
runVolumeUp :: X ()
runVolumeUp = void (raiseVolume 2)
runVolumeMute :: X ()
runVolumeMute = void toggleMute
runToggleBluetooth :: X ()
runToggleBluetooth = spawn
$ "bluetoothctl show | grep -q \"Powered: no\""
#!&& "a=on"
#!|| "a=off"
#!>> fmtCmd "bluetoothctl" ["power", "$a", ">", "/dev/null"]
#!&& fmtNotifyCmd defNoteInfo { body = Just $ Text "bluetooth powered $a" }
runIncBacklight :: X ()
runIncBacklight = io $ void callIncBrightness
runDecBacklight :: X ()
runDecBacklight = io $ void callDecBrightness
runMinBacklight :: X ()
runMinBacklight = io $ void callMinBrightness
runMaxBacklight :: X ()
runMaxBacklight = io $ void callMaxBrightness
runToggleDPMS :: X ()
runToggleDPMS = io $ void callToggle
-- keybindings
showKeybindings :: [((KeyMask, KeySym), NamedAction)] -> NamedAction
showKeybindings x = addName "Show Keybindings" $ do
name <- getMonitorName
case name of
Just n -> do
h <- spawnPipe $ cmd n
io $ hPutStr h (unlines $ showKm x)
io $ hClose h
return ()
Nothing -> io $ putStrLn "fail"
where cmd name = fmtCmd myDmenuCmd
[ "-dmenu"
, "-m"
, name
, "-p"
, "commands"
, "-theme-str"
, "'#element.selected.normal { background-color: #a200ff; }'"
]
myVMWorkspace :: String
myVMWorkspace = "VM"
myVMClass :: String
myVMClass = "VirtualBoxVM"
myGimpWorkspace :: String
myGimpWorkspace = "GIMP"
-- TODO I don't feel like changing the version long term
myGimpClass :: String
myGimpClass = "Gimp-2.10"
myXSaneWorkspace :: String
myXSaneWorkspace = "XSANE"
myXSaneClass :: String
myXSaneClass = "Xsane"
wsOccupied :: Eq a1 => a1 -> W.StackSet a1 l a2 sid sd -> Bool
wsOccupied tag ws = elem tag $ map W.tag $ filter (isJust . W.stack)
-- list of all workspaces with windows on them
-- TODO is there not a better way to do this?
$ W.workspace (W.current ws) : W.hidden ws ++ map W.workspace (W.visible ws)
spawnOrSwitch :: WorkspaceId -> X () -> X ()
spawnOrSwitch tag cmd = do
occupied <- withWindowSet $ return . wsOccupied tag
if occupied then windows $ W.view tag else cmd
runVBox :: X ()
runVBox = spawnOrSwitch myVMWorkspace $ spawnCmd "vbox-start" ["win8raw"]
runGimp :: X ()
runGimp = spawnOrSwitch myGimpWorkspace $ spawnCmd "gimp-2.10" []
runXSane :: X ()
runXSane = spawnOrSwitch myXSaneWorkspace $ spawnCmd "xsane" []
myModMask :: KeyMask
myModMask = mod4Mask
mkNamedSubmap
:: XConfig l
-> String
-> [(String, String, X ())]
-> [((KeyMask, KeySym), NamedAction)]
mkNamedSubmap c sectionName bindings =
(subtitle sectionName:) $ mkNamedKeymap c
$ map (\(key, name, cmd) -> (key, addName name cmd)) bindings
mkKeys :: [ProcessID] -> Client -> XConfig Layout -> [((KeyMask, KeySym), NamedAction)]
mkKeys hs client c =
mkNamedSubmap c "Window Layouts"
[ ("M-j", "focus down", windows W.focusDown)
, ("M-k", "focus up", windows W.focusUp)
, ("M-m", "focus master", windows W.focusMaster)
, ("M-S-j", "swap down", windows W.swapDown)
, ("M-S-k", "swap up", windows W.swapUp)
, ("M-S-m", "swap master", windows W.swapMaster)
, ("M-<Return>", "next layout", sendMessage NextLayout)
, ("M-S-<Return>", "reset layout", setLayout $ layoutHook c)
, ("M-t", "sink tiling", withFocused $ windows . W.sink)
, ("M--", "shrink", sendMessage Shrink)
, ("M-=", "expand", sendMessage Expand)
, ("M-S--", "remove master window", sendMessage $ IncMasterN (-1))
, ("M-S-=", "add master window", sendMessage $ IncMasterN 1)
] ++
mkNamedSubmap c "Workspaces"
-- ASSUME standard workspaces only use numbers 0-9 (otherwise we won't get
-- valid keysyms)
([ (mods ++ n, msg ++ n, f n) | n <- myWorkspaces
, (mods, msg, f) <-
[ ("M-", "switch to workspace ", windows . W.view)
, ("M-S-", "move client to workspace ", windows . W.shift)
, ("M-C-", "follow client to workspace ", \n' -> do
windows $ W.shift n'
windows $ W.view n')
]
] ++
[ ("M-M1-l", "move up workspace", moveTo Next HiddenNonEmptyWS)
, ("M-M1-h", "move down workspace", moveTo Prev HiddenNonEmptyWS)
]) ++
mkNamedSubmap c "Screens"
[ ("M-l", "move up screen", nextScreen)
, ("M-h", "move down screen", prevScreen)
, ("M-C-l", "follow client up screen", shiftNextScreen >> nextScreen)
, ("M-C-h", "follow client down screen", shiftPrevScreen >> prevScreen)
, ("M-S-l", "shift workspace up screen", swapNextScreen >> nextScreen)
, ("M-S-h", "shift workspace down screen", swapPrevScreen >> prevScreen)
] ++
mkNamedSubmap c "Actions"
[ ("M-q", "close window", kill1)
, ("M-r", "run program", runCmdMenu)
, ("M-<Space>", "warp pointer", warpToWindow 0.5 0.5)
, ("M-C-s", "capture area", runAreaCapture)
, ("M-C-S-s", "capture screen", runScreenCapture)
, ("M-C-d", "capture desktop", runDesktopCapture)
-- , ("M-C-S-s", "capture focused window", spawn myWindowCap)
] ++
mkNamedSubmap c "Launchers"
[ ("<XF86Search>", "select/launch app", runAppMenu)
, ("M-g", "launch clipboard manager", runClipMenu)
, ("M-a", "launch network selector", runNetMenu)
, ("M-w", "launch window selector", runWinMenu)
, ("M-u", "launch device selector", runDevMenu)
, ("M-C-e", "launch editor", runEditor)
, ("M-C-w", "launch browser", runBrowser)
, ("M-C-t", "launch terminal", runTerm)
, ("M-C-q", "launch calc", runCalc)
, ("M-C-f", "launch file manager", runFileManager)
, ("M-C-v", "launch windows VM", runVBox)
, ("M-C-g", "launch GIMP", runGimp)
, ("M-C-x", "launch XSane", runXSane)
] ++
mkNamedSubmap c "Multimedia"
[ ("<XF86AudioPlay>", "toggle play/pause", runTogglePlay)
, ("<XF86AudioPrev>", "previous track", runPrevTrack)
, ("<XF86AudioNext>", "next track", runNextTrack)
, ("<XF86AudioStop>", "stop", runStopPlay)
, ("<XF86AudioLowerVolume>", "volume down", runVolumeDown)
, ("<XF86AudioRaiseVolume>", "volume up", runVolumeUp)
, ("<XF86AudioMute>", "volume mute", runVolumeMute)
] ++
-- dummy map for dunst commands (defined separately but this makes them show
-- up in the help menu)
mkNamedSubmap c "Dunst"
[ ("M-`", "dunst history", return ())
, ("M-S-`", "dunst close", return ())
, ("M-M1-`", "dunst context menu", return ())
, ("M-C-`", "dunst close all", return ())
] ++
mkNamedSubmap c "System"
[ ("M-.", "backlight up", runIncBacklight)
, ("M-,", "backlight down", runDecBacklight)
, ("M-M1-,", "backlight min", runMinBacklight)
, ("M-M1-.", "backlight max", runMaxBacklight)
, ("M-<End>", "power menu", runPowerPrompt)
, ("M-<Home>", "quit xmonad", runQuitPrompt)
, ("M-<Delete>", "lock screen", runScreenLock)
-- M-<F1> reserved for showing the keymap
, ("M-<F2>", "restart xmonad", runCleanup hs client >> runRestart)
, ("M-<F3>", "recompile xmonad", runRecompile)
, ("M-<F10>", "toggle bluetooth", runToggleBluetooth)
, ("M-<F11>", "toggle screensaver", runToggleDPMS)
, ("M-<F12>", "switch gpu", runOptimusPrompt)
]