diff options
Diffstat (limited to 'src/lib/Xmobar/Plugins/Kbd.hs')
-rw-r--r-- | src/lib/Xmobar/Plugins/Kbd.hs | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/src/lib/Xmobar/Plugins/Kbd.hs b/src/lib/Xmobar/Plugins/Kbd.hs deleted file mode 100644 index f4dad36..0000000 --- a/src/lib/Xmobar/Plugins/Kbd.hs +++ /dev/null @@ -1,96 +0,0 @@ ------------------------------------------------------------------------------ --- | --- Module : Plugins.Kbd --- Copyright : (c) Martin Perner --- License : BSD-style (see LICENSE) --- --- Maintainer : Martin Perner <martin@perner.cc> --- Stability : unstable --- Portability : unportable --- --- A keyboard layout indicator for Xmobar --- ------------------------------------------------------------------------------ - -module Xmobar.Plugins.Kbd(Kbd(..)) where - -import Data.List (isPrefixOf, findIndex) -import Data.Maybe (fromJust) -import Control.Monad (forever) -import Graphics.X11.Xlib -import Graphics.X11.Xlib.Extras - -import Xmobar.Run.Commands -import Xmobar.Utils (nextEvent') -import Xmobar.System.Kbd - - --- 'Bad' prefixes of layouts -noLaySymbols :: [String] -noLaySymbols = ["group", "inet", "ctr", "pc", "ctrl"] - - --- splits the layout string into the actual layouts -splitLayout :: String -> [String] -splitLayout s = splitLayout' noLaySymbols $ split s '+' - -splitLayout' :: [String] -> [String] -> [String] --- end of recursion, remove empty strings -splitLayout' [] s = map (takeWhile (/= ':')) $ filter (not . null) s --- remove current string if it has a 'bad' prefix -splitLayout' bad s = - splitLayout' (tail bad) [x | x <- s, not $ isPrefixOf (head bad) x] - --- split String at each Char -split :: String -> Char -> [String] -split [] _ = [""] -split (c:cs) delim - | c == delim = "" : rest - | otherwise = (c : head rest) : tail rest - where - rest = split cs delim - --- replaces input string if on search list (exact match) with corresponding --- element on replacement list. --- --- if not found, return string unchanged -searchReplaceLayout :: KbdOpts -> String -> String -searchReplaceLayout opts s = let c = findIndex (\x -> fst x == s) opts in - case c of - Nothing -> s - x -> let i = fromJust x in snd $ opts!!i - --- returns the active layout -getKbdLay :: Display -> KbdOpts -> IO String -getKbdLay dpy opts = do - lay <- getLayoutStr dpy - curLay <- getKbdLayout dpy - return $ searchReplaceLayout opts $ splitLayout lay!!curLay - - - -newtype Kbd = Kbd [(String, String)] - deriving (Read, Show) - -instance Exec Kbd where - alias (Kbd _) = "kbd" - start (Kbd opts) cb = do - - dpy <- openDisplay "" - - -- initial set of layout - cb =<< getKbdLay dpy opts - - -- enable listing for - -- group changes - _ <- xkbSelectEventDetails dpy xkbUseCoreKbd xkbStateNotify xkbAllStateComponentsMask xkbGroupStateMask - -- layout/geometry changes - _ <- xkbSelectEvents dpy xkbUseCoreKbd xkbNewKeyboardNotifyMask xkbNewKeyboardNotifyMask - - allocaXEvent $ \e -> forever $ do - nextEvent' dpy e - _ <- getEvent e - cb =<< getKbdLay dpy opts - - closeDisplay dpy - return () |