Add SinkAll module.

Provides a means of pushing all windows on the current workspace back into
tiling. Not all that useful, but might be preferable to restarting or manually
pushing windows.

SinkAll.hs

@@ -0,0 +1,34 @@
+-----------------------------------------------------------------------------
+-- |
+-- Module       : XmonadContrib.SinkAll
+-- License      : BSD3-style (see LICENSE)
+-- Stability    : unstable
+-- Portability  : unportable
+--
+-- Provides a simple binding that pushes all floating windows on the current
+-- workspace back into tiling.
+-----------------------------------------------------------------------------
+
+module XMonadContrib.SinkAll (
+    -- * Usage
+    -- $usage
+    sinkAll) where
+
+import Operations
+import XMonad
+import StackSet hiding (sink)
+
+import Control.Monad.State
+import Graphics.X11.Xlib
+
+-- $usage
+-- > import XMonadContrib.SinkAll
+-- > keys = [ ((modMask .|. shiftMask, xK_t), sinkAll) ]
+
+sinkAll :: X ()
+sinkAll = withAll sink
+
+-- Apply a function to all windows on current workspace.
+withAll :: (Window -> X a) -> X ()
+withAll f = gets (integrate' . stack . workspace . current . windowset) >>=
+    mapM_ f