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