Files
xmonad-contrib/EwmhDesktops.hs
mail 0d7daf4e27 Better EWMH support
Yay, SetWMName contains just what I need! Thanks Ivan, that saved me quite
some work. Now the panel switch should work even when you start with xmonad
right away, and don’t run it after metacity has run before :-]

Greetings,
Joachim
2007-10-07 09:16:48 +00:00

131 lines
3.7 KiB
Haskell

-----------------------------------------------------------------------------
-- |
-- Module : XMonadContrib.EwmhDesktops
-- Copyright : (c) Joachim Breitner <mail@joachim-breitner.de>
-- License : BSD
--
-- Maintainer : Joachim Breitner <mail@joachim-breitner.de>
-- Stability : unstable
-- Portability : unportable
--
-- Makes xmonad use the EWMH hints to tell panel applications about its
-- workspaces and the windows therein.
-----------------------------------------------------------------------------
module XMonadContrib.EwmhDesktops (
-- * Usage
-- $usage
ewmhDesktopsLogHook
) where
import Data.List (elemIndex, sortBy)
import Data.Ord (comparing)
import Data.Maybe (fromMaybe)
import Control.Monad.Reader
import XMonad
import qualified StackSet as W
import Graphics.X11.Xlib
import Graphics.X11.Xlib.Extras
import XMonadContrib.SetWMName
-- $usage
-- Add the imports to your configuration file and add the logHook:
--
-- > import XMonadContrib.EwmhDesktops
--
-- > logHook :: X()
-- > logHook = do ewmhDesktopsLogHook
-- > return ()
-- %import XMonadContrib.EwmhDesktops
-- %def -- comment out default logHook definition above if you uncomment this:
-- %def logHook = ewmhDesktopsLogHook
-- |
-- Notifies pagers and window lists, such as those in the gnome-panel
-- of the current state of workspaces and windows.
ewmhDesktopsLogHook :: X ()
ewmhDesktopsLogHook = withWindowSet $ \s -> do
-- Bad hack because xmonad forgets the original order of things, it seems
-- see http://code.google.com/p/xmonad/issues/detail?id=53
let ws = sortBy (comparing W.tag) $ W.workspaces s
let wins = W.allWindows s
setSupported
-- Number of Workspaces
setNumberOfDesktops (length ws)
-- Names thereof
setDesktopNames (map W.tag ws)
-- Current desktop
fromMaybe (return ()) $ do
n <- W.lookupWorkspace 0 s
i <- elemIndex n $ map W.tag ws
return $ setCurrentDesktop i
setClientList wins
-- Per window Desktop
forM (zip ws [(0::Int)..]) $ \(w, wn) ->
forM (W.integrate' (W.stack w)) $ \win -> do
setWindowDesktop win wn
return ()
setNumberOfDesktops :: (Integral a) => a -> X ()
setNumberOfDesktops n = withDisplay $ \dpy -> do
a <- getAtom "_NET_NUMBER_OF_DESKTOPS"
c <- getAtom "CARDINAL"
r <- asks theRoot
io $ changeProperty32 dpy r a c propModeReplace [fromIntegral n]
setCurrentDesktop :: (Integral a) => a -> X ()
setCurrentDesktop i = withDisplay $ \dpy -> do
a <- getAtom "_NET_CURRENT_DESKTOP"
c <- getAtom "CARDINAL"
r <- asks theRoot
io $ changeProperty32 dpy r a c propModeReplace [fromIntegral i]
setDesktopNames :: [String] -> X ()
setDesktopNames names = withDisplay $ \dpy -> do
-- Names thereof
r <- asks theRoot
a <- getAtom "_NET_DESKTOP_NAMES"
c <- getAtom "UTF8_STRING"
let names' = map (fromIntegral.fromEnum) $
concatMap (("Workspace "++) . (++['\0'])) names
io $ changeProperty8 dpy r a c propModeReplace names'
setClientList :: [Window] -> X ()
setClientList wins = withDisplay $ \dpy -> do
-- (What order do we really need? Something about age and stacking)
r <- asks theRoot
c <- getAtom "WINDOW"
a <- getAtom "_NET_CLIENT_LIST"
io $ changeProperty32 dpy r a c propModeReplace wins
a' <- getAtom "_NET_CLIENT_LIST_STACKING"
io $ changeProperty32 dpy r a' c propModeReplace wins
setWindowDesktop :: (Integral a) => Window -> a -> X ()
setWindowDesktop win i = withDisplay $ \dpy -> do
a <- getAtom "_NET_WM_DESKTOP"
c <- getAtom "CARDINAL"
io $ changeProperty32 dpy win a c propModeReplace [fromIntegral i]
setSupported :: X ()
setSupported = withDisplay $ \dpy -> do
r <- asks theRoot
a <- getAtom "_NET_SUPPORTED"
c <- getAtom "ATOM"
supp <- mapM getAtom ["_NET_WM_STATE_HIDDEN"]
io $ changeProperty32 dpy r a c propModeReplace supp
setWMName "xmonad"