blob: 164ddd8229cd98e737e0ef3b38a21401b1ea3358 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
{-# LANGUAGE LambdaCase #-}
module XMonad.Stockholm.Shutdown
( sendShutdownEvent
, handleShutdownEvent
, shutdown
)
where
import qualified Data.Map as Map
import qualified XMonad.StackSet as W
import Control.Monad
import Data.Maybe (catMaybes)
import Data.Monoid
import System.Environment (getEnv)
import System.Exit (exitSuccess)
import XMonad
sendShutdownEvent :: IO ()
sendShutdownEvent = do
dpy <- openDisplay ""
rw <- rootWindow dpy $ defaultScreen dpy
a <- internAtom dpy "XMONAD_SHUTDOWN" False
allocaXEvent $ \e -> do
setEventType e clientMessage
setClientMessageEvent e rw a 32 0 currentTime
sendEvent dpy rw False structureNotifyMask e
sync dpy False
handleShutdownEvent :: Event -> X All
handleShutdownEvent = \case
ClientMessageEvent { ev_message_type = mt } -> do
c <- (mt ==) <$> getAtom "XMONAD_SHUTDOWN"
when c shutdown
return (All c)
_ ->
return (All True)
shutdown :: X ()
shutdown = do
broadcastMessage ReleaseResources
io . flush =<< asks display
let wsData = show . W.mapLayout show . windowset
maybeShow (t, Right (PersistentExtension ext)) = Just (t, show ext)
maybeShow (t, Left str) = Just (t, str)
maybeShow _ = Nothing
extState =
return . show . catMaybes . map maybeShow . Map.toList . extensibleState
s <- gets (\s -> (wsData s : extState s))
_ <- io $ do
path <- getEnv "XMONAD_STATE"
writeFile path (unlines s)
exitSuccess
return ()
|
