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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 : none
-- 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.
--
-- Note this extension requires the 'directory' package to be installed.
--
-----------------------------------------------------------------------------
module XMonad.Layout.WorkspaceDir (
-- * Usage
-- $usage
workspaceDir,
changeDir
) where
import System.Directory ( setCurrentDirectory, getCurrentDirectory )
import Control.Monad ( when )
import XMonad hiding ( focus )
import XMonad.Util.Run ( runProcessWithInput )
import XMonad.Prompt ( XPConfig )
import XMonad.Prompt.Directory ( directoryPrompt )
import XMonad.Layout.LayoutModifier
import XMonad.StackSet ( tag, current, workspace )
-- $usage
-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Layout.WorkspaceDir
--
-- Then edit your @layoutHook@ by adding the Workspace layout modifier
-- to some layout:
--
-- > myLayouts = workspaceDir "~" (Tall 1 (3/100) (1/2)) ||| Full ||| etc..
-- > main = xmonad defaultConfig { layoutHook = myLayouts }
--
-- For more detailed instructions on editing the layoutHook see:
--
-- "XMonad.Doc.Extending#Editing_the_layout_hook"
--
-- WorkspaceDir provides also a prompt. To use it you need to import
-- "XMonad.Prompt" and add something like this to your key bindings:
--
-- > , ((modMask x .|. shiftMask, xK_x ), changeDir defaultXPConfig)
--
-- For detailed instruction on editing the key binding see:
--
-- "XMonad.Doc.Extending#Editing_key_bindings".
data Chdir = Chdir String deriving ( Typeable )
instance Message Chdir
data WorkspaceDir a = WorkspaceDir String deriving ( Read, Show )
instance LayoutModifier WorkspaceDir Window where
modifyLayout (WorkspaceDir d) w r = do tc <- gets (tag.workspace.current.windowset)
when (tc == tag w) $ scd d
runLayout w r
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)
|
