mirror of
https://github.com/xmonad/xmonad-contrib.git
synced 2025-05-19 11:30:22 -07:00
bd5b969d9b
All hints are applied in one single commit, as a commit per hint would result in 80+ separate commits—tihs is really just too much noise. Related: https://github.com/xmonad/xmonad-contrib/issues/537
73 lines
2.3 KiB
Haskell
Executable File
73 lines
2.3 KiB
Haskell
Executable File
#!/usr/bin/env runhaskell
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-- Copyright: (c) Peter Olson 2013 and Andrea Rossato and David Roundy 2007
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-- License: BSD-style (see xmonad/LICENSE)
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--
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-- Compile with @ghc --make xmonadctl.hs@
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-- For usage help, do @xmonadctl -h@
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import Graphics.X11.Xlib
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import Graphics.X11.Xlib.Extras
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import System.Environment
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import System.IO
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import Data.Char
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main :: IO ()
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main = parse True "XMONAD_COMMAND" =<< getArgs
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parse :: Bool -> String -> [String] -> IO ()
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parse input addr args = case args of
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["--"] | input -> repl addr
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| otherwise -> return ()
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("--":xs) -> sendAll addr xs
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("-a":a:xs) -> parse input a xs
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("-h":_) -> showHelp
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("--help":_) -> showHelp
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("-?":_) -> showHelp
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(a@('-':_):_) -> hPutStrLn stderr ("Unknown option " ++ a)
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(x:xs) -> sendCommand addr x >> parse False addr xs
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[] | input -> repl addr
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| otherwise -> return ()
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repl :: String -> IO ()
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repl addr = do e <- isEOF
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unless e $ do
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l <- getLine
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sendCommand addr l
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repl addr
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sendAll :: String -> [String] -> IO ()
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sendAll addr = foldr (\a b -> sendCommand addr a >> b) (return ())
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sendCommand :: String -> String -> IO ()
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sendCommand addr s = do
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d <- openDisplay ""
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rw <- rootWindow d $ defaultScreen d
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a <- internAtom d addr False
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m <- internAtom d s False
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allocaXEvent $ \e -> do
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setEventType e clientMessage
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setClientMessageEvent e rw a 32 m 0
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sendEvent d rw False structureNotifyMask e
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sync d False
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showHelp :: IO ()
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showHelp = do
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pn <- getProgName
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mapM_ putStrLn
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[ "Send commands to a running instance of xmonad."
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, "(xmonad.hs must be configured with XMonad.Hooks.ServerMode to work.)"
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, ""
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, "-a atomname can be used at any point in the command line arguments to"
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, "change which atom it is sending on. The atom defaults to XMONAD_COMMAND."
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, ""
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, "If sent with no arguments or only -a atom arguments, it will read commands from stdin."
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, ""
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, "Ex:"
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, pn ++ " cmd1 cmd2"
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, pn ++ " -a XMONAD_COMMAND cmd1 cmd2 cmd3 -a XMONAD_PRINT hello world"
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, pn ++ " -a XMONAD_PRINT # will read data from stdin."
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]
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