Hierarchify

darcs-hash:20071101201059-a5988-fc1f1262bec1b69e13ba18ae7cefeafc8c4471d4.gz

1 files changed, 0 insertions, 114 deletions

diff --git a/Run.hs b/Run.hs
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--- a/Run.hs
+++ /dev/null
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------------------------------------------------------------------------------
--- |
--- Module      :  XMonadContrib.Run
--- Copyright   :  (C) 2007 Spencer Janssen, Andrea Rossato, glasser@mit.edu
--- License     :  BSD-style (see LICENSE)
---
--- Maintainer  :  Christian Thiemann <mail@christian-thiemann.de>
--- Stability   :  unstable
--- Portability :  unportable
---
--- This modules provides several commands to run an external process.
--- It is composed of functions formerly defined in XMonadContrib.Dmenu (by
--- Spenver Jannsen), XMonadContrib.Dzen (by glasser@mit.edu) and
--- XMonadContrib.RunInXTerm (by Andrea Rossato).
---
------------------------------------------------------------------------------
-
-module XMonadContrib.Run (
-                          -- * Usage
-                          -- $usage
-                          runProcessWithInput,
-                          runProcessWithInputAndWait,
-                          safeSpawn,
-                          unsafeSpawn,
-                          runInTerm,
-                          safeRunInTerm,
-                          seconds
-                         ) where
-
-import Control.Monad.Reader
-import System.Posix.Process (createSession, forkProcess, executeFile,
-                             getProcessStatus)
-import Control.Concurrent (threadDelay)
-import Control.Exception (try)
-import System.Exit (ExitCode(ExitSuccess), exitWith)
-import System.IO (IO, FilePath, hPutStr, hGetContents, hFlush, hClose)
-import System.Process (runInteractiveProcess, waitForProcess)
-import XMonad
-
--- $usage
--- For an example usage of runInTerm see XMonadContrib.SshPrompt
---
--- For an example usage of runProcessWithInput see
--- XMonadContrib.{DirectoryPrompt,Dmenu,ShellPrompt,WmiiActions,WorkspaceDir}
---
--- For an example usage of runProcessWithInputAndWait see XMonadContrib.Dzen
-
--- | Returns Just output if the command succeeded, and Nothing if it didn't.
--- This corresponds to dmenu's notion of exit code 1 for a cancelled invocation.
-runProcessWithInput :: FilePath -> [String] -> String -> IO String
-runProcessWithInput cmd args input = do
-    (pin, pout, perr, ph) <- runInteractiveProcess cmd args Nothing Nothing
-    hPutStr pin input
-    hClose pin
-    output <- hGetContents pout
-    when (output==output) $ return ()
-    hClose pout
-    hClose perr
-    waitForProcess ph
-    return output
-
--- wait is in us
-runProcessWithInputAndWait :: FilePath -> [String] -> String -> Int -> IO ()
-runProcessWithInputAndWait cmd args input timeout = do
-    pid <- forkProcess $ do
-       forkProcess $ do -- double fork it over to init
-         createSession
-         (pin, pout, perr, ph) <- runInteractiveProcess cmd args Nothing Nothing
-         hPutStr pin input
-         hFlush pin
-         threadDelay timeout
-         hClose pin
-         hClose pout
-         hClose perr
-         waitForProcess ph
-         return ()
-       exitWith ExitSuccess
-       return ()
-    getProcessStatus True False pid
-    return ()
-
-{- | Multiplies by ONE MILLION, for use with runProcessWithInputAndWait.
-     Use like:
-     > (5.5 `seconds`)
--}
-seconds :: Rational -> Int
-seconds = fromEnum . (* 1000000)
-
-{- | safeSpawn bypasses XMonad's 'spawn' command, because spawn passes strings to /bin/sh to be interpreted as shell
-   commands. This is often what one wants, but in many cases the passed string will contain shell metacharacters
-   which one does not want interpreted as such (URLs particularly often have shell metacharacters like '&' in them).
-   In this case, it is more useful to specify a file or program to be run and a string to give it as an argument so
-   as to bypass the shell and be certain the program will receive the string as you typed it.
-   unsafeSpawn is an alias for XMonad's 'spawn', to remind one that use of it can be, well, unsafe.
-   Examples:
-   >     , ((modMask,               xK_Print ), unsafeSpawn "import -window root png:$HOME/xwd-$(date +%s)$$.png")
-   >     , ((modMask,               xK_d     ), safeSpawn "firefox" "")
-
-   Note that the unsafeSpawn example must be unsafe and not safe because it makes use of shell interpretation by relying on
-   $HOME and interpolation, whereas the safeSpawn example can be safe because Firefox doesn't need any arguments if it is
-   just being started.
--}
-safeSpawn :: FilePath -> String -> X ()
-safeSpawn prog arg = io (try (forkProcess $ executeFile prog True [arg] Nothing) >> return ())
-unsafeSpawn :: String -> X ()
-unsafeSpawn = spawn
-
--- | Run a given program in the preferred terminal emulator. This uses safeSpawn.
-safeRunInTerm :: String -> X ()
-safeRunInTerm command = asks (terminal . config) >>= \t -> safeSpawn t ("-e " ++ command)
-
-unsafeRunInTerm, runInTerm :: String -> X ()
-unsafeRunInTerm command = asks (terminal . config) >>= \t -> unsafeSpawn $ t ++ " -e " ++ command
-runInTerm = unsafeRunInTerm