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|
----------------------------------------------------------------------------
-- |
-- Module : XMonad.Hooks.WorkspaceByPos
-- Copyright : (c) Jan Vornberger 2009
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : jan.vornberger@informatik.uni-oldenburg.de
-- Stability : unstable
-- Portability : not portable
--
-- Useful in a dual-head setup: Looks at the requested geometry of
-- new windows and moves them to the workspace of the non-focused
-- screen if necessary.
--
-----------------------------------------------------------------------------
module XMonad.Hooks.WorkspaceByPos (
-- * Usage
-- $usage
workspaceByPos
) where
import XMonad
import qualified XMonad.StackSet as W
import XMonad.Util.XUtils (fi)
import Data.Maybe
import Control.Applicative((<$>))
import Control.Monad.Error ((<=<),guard,lift,runErrorT,throwError)
-- $usage
-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Hooks.WorkspaceByPos
-- >
-- > myManageHook = workspaceByPos <+> manageHook def
-- >
-- > main = xmonad def { manageHook = myManageHook }
workspaceByPos :: ManageHook
workspaceByPos = (maybe idHook doShift <=< liftX . needsMoving) =<< ask
needsMoving :: Window -> X (Maybe WorkspaceId)
needsMoving w = withDisplay $ \d -> do
-- only relocate windows with non-zero position
wa <- io $ getWindowAttributes d w
fmap (const Nothing `either` Just) . runErrorT $ do
guard $ wa_x wa /= 0 || wa_y wa /= 0
ws <- gets windowset
sc <- lift $ fromMaybe (W.current ws)
<$> pointScreen (fi $ wa_x wa) (fi $ wa_y wa)
Just wkspc <- lift $ screenWorkspace (W.screen sc)
guard $ W.currentTag ws /= wkspc
return wkspc `asTypeOf` throwError ""
|
