add modules to deal with Workspaces (select, etc) by name using XPrompt.

WorkspacePrompt.hs

@@ -0,0 +1,45 @@
+-----------------------------------------------------------------------------
+-- |
+-- Module      :  XMonadContrib.WorkspacePrompt
+-- Copyright   :  (C) 2007 Andrea Rossato, David Roundy
+-- License     :  BSD3
+-- 
+-- Maintainer  :  droundy@darcs.net
+-- Stability   :  unstable
+-- Portability :  unportable
+--
+-- A directory prompt for XMonad
+--
+-----------------------------------------------------------------------------
+
+module XMonadContrib.WorkspacePrompt (
+                             -- * Usage
+                             -- $usage
+                             workspacePrompt
+                              ) where
+
+import Control.Monad.State ( gets )
+import Data.List ( sort )
+import XMonad
+import XMonadContrib.XPrompt
+import StackSet ( workspaces, tag )
+
+-- $usage
+-- You can use this module with the following in your Config.hs file:
+-- 
+-- > import XMonadContrib.WorkspacePrompt
+--
+-- >   , ((modMask .|. shiftMask, xK_m     ), workspacePrompt myXPConfig (windows . W.shift))
+
+data Wor = Wor String
+
+instance XPrompt Wor where
+    showXPrompt (Wor x) = x
+
+workspacePrompt :: XPConfig -> (String -> X ()) -> X ()
+workspacePrompt c job = do ws <- gets (workspaces . windowset)
+                           let ts = sort $ map tag ws
+                           mkXPrompt (Wor "") c (mkCompl ts) job
+
+mkCompl :: [String] -> String -> IO [String]
+mkCompl l s = return $ filter (\x -> take (length s) x == s) l