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Diffstat (limited to 'examples/xmonadpropwrite.hs')
-rw-r--r-- | examples/xmonadpropwrite.hs | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/examples/xmonadpropwrite.hs b/examples/xmonadpropwrite.hs new file mode 100644 index 0000000..f3f4a5d --- /dev/null +++ b/examples/xmonadpropwrite.hs @@ -0,0 +1,41 @@ +-- Copyright Spencer Janssen <spencerjanssen@gmail.com> +-- Tomas Janousek <tomi@nomi.cz> +-- BSD3 (see LICENSE) +-- +-- Reads from standard input and writes to an X propery on root window. +-- To be used with XPropertyLog: +-- Add it to commands: +-- Run XPropertyLog "_XMONAD_LOG_CUSTOM" +-- Add it to the template: +-- template = "... %_XMONAD_LOG_CUSTOM% ..." +-- Run: +-- $ blah blah | xmonadpropwrite _XMONAD_LOG_CUSTOM + +import Control.Monad +import Graphics.X11 +import Graphics.X11.Xlib.Extras +import qualified Data.ByteString as B +import Foreign.C (CChar) +import System.IO +import System.Environment + +main = do + atom <- flip fmap getArgs $ \args -> case args of + [a] -> a + _ -> "_XMONAD_LOG" + + d <- openDisplay "" + xlog <- internAtom d atom False + ustring <- internAtom d "UTF8_STRING" False + + root <- rootWindow d (defaultScreen d) + + forever $ do + msg <- B.getLine + changeProperty8 d root xlog ustring propModeReplace (encodeCChar msg) + sync d True + + return () + +encodeCChar :: B.ByteString -> [CChar] +encodeCChar = map fromIntegral . B.unpack |