remove ScratchWorkspace.

It's ugly code, and I'd be surprised if anyone actually uses it.  I see no
reason to continue to maintain it.

XMonad/Layout/ScratchWorkspace.hs

@@ -1,95 +0,0 @@
-{-# OPTIONS -fglasgow-exts #-}
------------------------------------------------------------------------------
--- |
--- Module      :  XMonad.Layout.ScratchWorkspace
--- Copyright   :  (c) Braden Shepherdson, David Roundy 2008
--- License     :  BSD-style (as xmonad)
---
--- Maintainer  :  Braden.Shepherdson@gmail.com
--- Stability   :  unstable
--- Portability :  unportable
-
-module XMonad.Layout.ScratchWorkspace ( toggleScratchWorkspace ) where
-
-import Data.List ( partition )
-import Control.Monad ( guard )
-
-import XMonad
-import XMonad.Core
-import qualified XMonad.StackSet as W
-
-hiddenRect :: Rectangle
-hiddenRect = Rectangle (-1) (-1) 0 0
-
-scratchName :: String
-scratchName = "*scratch*"
-
--- This module uses an ugly hack, which is to create a special screen for
--- the scratch workspace.  This screen is then moved onto a visible area or
--- away when you ask for the scratch workspace to be shown or hidden.
-
--- This is a workaround for the fact that we don't have anything like
--- proper support for hierarchical workspaces, so I use the only hierarchy
--- we've got, which is at the screen level.
-
-toggleScratchWorkspace :: LayoutClass l Int => l Int -> X ()
-toggleScratchWorkspace l =
-    do s <- gets windowset
-       defaultl <- asks (layoutHook . config)
-       srs <- withDisplay getCleanedScreenInfo
-       if length srs == 1 + length (W.visible s)
-         then -- we don't yet have a scratch screen!
-             if scratchName `W.tagMember` s
-             then return () -- We'll just bail out of scratchName already exists...
-             else do let scratchscreen = W.Screen scratch (-1) (SD hiddenRect)
-                         scratch = W.Workspace scratchName defaultl Nothing
-                         s' = s { W.visible = scratchscreen: W.visible s }
-                     modify $ \st -> st { windowset = s' }
-                     refresh
-         else -- We've already got a scratch (we think)
-           if length srs /= length (W.visible s)
-           then -- Something is odd... too many screens are visible! Do nothing.
-                return ()
-           else -- Yes, it does seem there's a scratch screen already
-              case partition ((/= -1) . W.screen) $ W.current s : W.visible s of
-              (others@(c:vs),[scratchscreen]) ->
-                  if screenRect (W.screenDetail scratchscreen) == hiddenRect
-                  then -- we're hidden now, so let's display ourselves
-                      do let r = screenRect $ W.screenDetail c
-                         (rs,_) <- runLayout (W.Workspace "" l (Just $ W.Stack 0 [1] [])) r
-                         let (r0, r1) = case rs of
-                                        [(0,ra),(1,rb)] -> (ra,rb)
-                                        [(1,ra),(0,rb)] -> (rb,ra)
-                                        [(1,ra)] -> (r,ra)
-                                        [(0,ra)] -> (ra,r)
-                                        _ -> (r,r)
-                             s' = s { W.current = setrect r0 scratchscreen,
-                                      W.visible = setrect r1 c : vs }
-                         modify $ \st -> st { windowset = s' }
-                         refresh
-                  else -- we're visible, so now we want to hide
-                       do ml <- handleMessage (W.layout $ W.workspace scratchscreen) (SomeMessage Hide)
-                          let scratchscreen' = case ml of
-                                               Nothing -> scratchscreen
-                                               Just l' -> scratchscreen
-                                                          { W.workspace =
-                                                            (W.workspace scratchscreen) { W.layout = l' } }
-                          mapM_ hide $ W.integrate' $ W.stack $ W.workspace scratchscreen
-                          let modscr scr = do guard $ scratchName /= W.tag (W.workspace scr)
-                                              r' <- pickRect (W.screen scr) srs
-                                              Just $ setrect r' scr
-                              pickRect _ [z] = Just z
-                              pickRect i (z:zs) | i < 1 = Just z
-                                                | otherwise = pickRect (i-1) zs
-                              pickRect _ [] = Nothing
-                          case mapM modscr others of
-                            Just (c':vs') ->
-                                do let s' = s { W.current = c',
-                                                W.visible = setrect hiddenRect scratchscreen' : vs' }
-                                   modify $ \st -> st { windowset = s' }
-                                   refresh
-                            _ -> return () -- weird error!
-              _ -> -- Something is odd... there doesn't seem to *really* be a scratch screen...
-                   return ()
-    where setrect :: Rectangle -> W.Screen i l a sid ScreenDetail -> W.Screen i l a sid ScreenDetail
-          setrect x scr = scr {W.screenDetail = (W.screenDetail scr) {screenRect = x}}

xmonad-contrib.cabal

@@ -147,7 +147,6 @@ library
                         XMonad.Layout.ResizableTile
                         XMonad.Layout.ResizeScreen
                         XMonad.Layout.Roledex
-                        XMonad.Layout.ScratchWorkspace
                         XMonad.Layout.Simplest
                         XMonad.Layout.SimpleDecoration
                         XMonad.Layout.SimpleFloat