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|
{-# OPTIONS_GHC -fglasgow-exts #-} -- For deriving Data/Typeable
{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Layout.WorkspaceDir
-- Copyright : (c) 2007 David Roundy <droundy@darcs.net>
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : David Roundy <droundy@darcs.net>
-- Stability : unstable
-- Portability : unportable
--
-- WorkspaceDir is an extension to set the current directory in a workspace.
--
-- Actually, it sets the current directory in a layout, since there's no way I
-- know of to attach a behavior to a workspace. This means that any terminals
-- (or other programs) pulled up in that workspace (with that layout) will
-- execute in that working directory. Sort of handy, I think.
--
-- Requires the 'directory' package
--
-----------------------------------------------------------------------------
module XMonad.Layout.WorkspaceDir (
-- * Usage
-- $usage
workspaceDir,
changeDir
) where
import System.Directory ( setCurrentDirectory, getCurrentDirectory )
import XMonad
import XMonad.Operations ( sendMessage )
import XMonad.Util.Run ( runProcessWithInput )
import XMonad.Prompt ( XPConfig )
import XMonad.Prompt.Directory ( directoryPrompt )
import XMonad.Layout.LayoutModifier
-- $usage
-- You can use this module with the following in your Config.hs file:
--
-- > import XMonad.Layout.WorkspaceDir
-- >
-- > layouts = map (workspaceDir "~") [ tiled, ... ]
--
-- In keybindings:
--
-- > , ((modMask .|. shiftMask, xK_x ), changeDir defaultXPConfig)
-- %import XMonad.Layout.WorkspaceDir
-- %keybind , ((modMask .|. shiftMask, xK_x ), changeDir defaultXPConfig)
-- %layout -- prepend 'map (workspaceDir "~")' to layouts definition above,
-- %layout -- just before the list, like the following (don't uncomment next line):
-- %layout -- layouts = map (workspaceDir "~") [ tiled, ... ]
data Chdir = Chdir String deriving ( Typeable )
instance Message Chdir
data WorkspaceDir a = WorkspaceDir String deriving ( Read, Show )
instance LayoutModifier WorkspaceDir a where
hook (WorkspaceDir s) = scd s
handleMess (WorkspaceDir _) m
| Just (Chdir wd) <- fromMessage m = do wd' <- cleanDir wd
return $ Just $ WorkspaceDir wd'
| otherwise = return Nothing
workspaceDir :: LayoutClass l a => String -> l a
-> ModifiedLayout WorkspaceDir l a
workspaceDir s = ModifiedLayout (WorkspaceDir s)
cleanDir :: String -> X String
cleanDir x = scd x >> io getCurrentDirectory
scd :: String -> X ()
scd x = do x' <- io (runProcessWithInput "bash" [] ("echo -n " ++ x) `catch` \_ -> return x)
catchIO $ setCurrentDirectory x'
changeDir :: XPConfig -> X ()
changeDir c = directoryPrompt c "Set working directory: " (sendMessage . Chdir)
|
