use XPrompt in WorkspaceDir.

DirectoryPrompt.hs

@@ -0,0 +1,59 @@
+-----------------------------------------------------------------------------
+-- |
+-- Module      :  XMonadContrib.DirectoryPrompt
+-- Copyright   :  (C) 2007 Andrea Rossato, David Roundy
+-- License     :  BSD3
+-- 
+-- Maintainer  :  droundy@darcs.net
+-- Stability   :  unstable
+-- Portability :  unportable
+--
+-- A directory prompt for XMonad
+--
+-----------------------------------------------------------------------------
+
+module XMonadContrib.DirectoryPrompt (
+                             -- * Usage
+                             -- $usage
+                             directoryPrompt
+                              ) where
+
+import XMonad
+import XMonadContrib.XPrompt
+import XMonadContrib.Dmenu ( runProcessWithInput )
+
+-- $usage
+--
+-- 1. In xmonad.cabal change: 
+--
+-- > build-depends:      base>=2.0, X11>=1.2.1, X11-extras>=0.2, mtl>=1.0, unix>=1.0
+--
+-- to
+--
+-- > build-depends:      base>=2.0, X11>=1.2.1, X11-extras>=0.2, mtl>=1.0, unix>=1.0, readline >= 1.0
+--
+-- 2. In Config.hs add:
+--
+-- > import XMonadContrib.XPrompt
+-- > import XMonadContrib.ShellPrompt
+--
+-- 3. In your keybindings add something like:
+--
+-- >   , ((modMask .|. controlMask, xK_x), shellPrompt defaultXPConfig)
+--
+
+data Dir = Dir String
+
+instance XPrompt Dir where
+    showXPrompt (Dir x) = x
+
+directoryPrompt :: XPConfig -> String -> (String -> X ()) -> X ()
+directoryPrompt c prom job = mkXPrompt (Dir prom) c getDirCompl job
+
+getDirCompl :: String -> IO [String]
+getDirCompl s = (filter notboring . lines) `fmap`
+                runProcessWithInput "/bin/bash" [] ("compgen -A directory " ++ s ++ "\n")
+
+notboring ('.':'.':_) = True
+notboring ('.':_) = False
+notboring _ = True

MetaModule.hs

@@ -28,6 +28,7 @@ import XMonadContrib.Combo ()
 import XMonadContrib.CopyWindow ()
 import XMonadContrib.Decoration ()
 import XMonadContrib.DeManage ()
+import XMonadContrib.DirectoryPrompt ()
 import XMonadContrib.Dmenu ()
 import XMonadContrib.DwmPromote ()
 import XMonadContrib.DynamicLog ()

WorkspaceDir.hs

@@ -25,13 +25,15 @@ module XMonadContrib.WorkspaceDir (
                                    changeDir
                                   ) where
 
-import System.Directory ( setCurrentDirectory, getCurrentDirectory )
-import Data.List ( nub )
+import System.Directory ( setCurrentDirectory )
 
 import XMonad
 import Operations ( sendMessage )
-import XMonadContrib.Dmenu ( dmenu, runProcessWithInput )
+import XMonadContrib.Dmenu ( runProcessWithInput )
+import XMonadContrib.XPrompt ( XPConfig )
+import XMonadContrib.DirectoryPrompt ( directoryPrompt )
 import XMonadContrib.LayoutHelpers ( layoutModify )
+import XMonadContrib.XPrompt ( defaultXPConfig )
 
 -- $usage
 -- You can use this module with the following in your Config.hs file:
@@ -42,7 +44,7 @@ import XMonadContrib.LayoutHelpers ( layoutModify )
 --
 -- In keybindings:
 --
--- >  , ((modMask .|. shiftMask, xK_x     ), changeDir ["~","/tmp"])
+-- >  , ((modMask .|. shiftMask, xK_x     ), changeDir defaultXPConfig)
 
 
 data Chdir = Chdir String deriving ( Typeable )
@@ -58,7 +60,5 @@ scd :: String -> X ()
 scd x = do x' <- io (runProcessWithInput "bash" [] ("echo -n " ++ x) `catch` \_ -> return x)
            catchIO $ setCurrentDirectory x'
 
-changeDir :: [String] -> X ()
-changeDir dirs = do thisd <- io getCurrentDirectory
-                    dir <- dmenu (nub (thisd:dirs))
-                    sendMessage (Chdir dir)
+changeDir :: XPConfig -> X ()
+changeDir c = directoryPrompt c "Set working directory: " (sendMessage . Chdir)