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This is a convenience module in order to have less import noise. It
re-exports the following:
a) Commonly used modules in full (Data.Foldable, Data.Applicative, and
so on); though only those that play nicely with each other, so that
XMonad.Prelude can be imported unqualified without any problems.
This prevents things like `Prelude.(.)` and `Control.Category.(.)`
fighting with each other.
b) Helper functions that don't necessarily fit in any other module;
e.g., the often used abbreviation `fi = fromIntegral`.
53 lines
1.7 KiB
Haskell
53 lines
1.7 KiB
Haskell
----------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Hooks.WorkspaceByPos
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-- Copyright : (c) Jan Vornberger 2009
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-- License : BSD3-style (see LICENSE)
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--
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-- Maintainer : jan.vornberger@informatik.uni-oldenburg.de
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-- Stability : unstable
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-- Portability : not portable
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--
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-- Useful in a dual-head setup: Looks at the requested geometry of
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-- new windows and moves them to the workspace of the non-focused
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-- screen if necessary.
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--
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-----------------------------------------------------------------------------
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module XMonad.Hooks.WorkspaceByPos (
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-- * Usage
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-- $usage
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workspaceByPos
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) where
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import XMonad
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import XMonad.Prelude
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import qualified XMonad.StackSet as W
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import Control.Monad.Except (lift, runExceptT, throwError)
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-- $usage
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-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:
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--
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-- > import XMonad.Hooks.WorkspaceByPos
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-- >
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-- > myManageHook = workspaceByPos <+> manageHook def
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-- >
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-- > main = xmonad def { manageHook = myManageHook }
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workspaceByPos :: ManageHook
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workspaceByPos = (maybe idHook doShift <=< liftX . needsMoving) =<< ask
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needsMoving :: Window -> X (Maybe WorkspaceId)
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needsMoving w = withDisplay $ \d -> do
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-- only relocate windows with non-zero position
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wa <- io $ getWindowAttributes d w
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fmap (const Nothing `either` Just) . runExceptT $ do
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guard $ wa_x wa /= 0 || wa_y wa /= 0
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ws <- gets windowset
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sc <- lift $ fromMaybe (W.current ws)
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<$> pointScreen (fi $ wa_x wa) (fi $ wa_y wa)
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Just wkspc <- lift $ screenWorkspace (W.screen sc)
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guard $ W.currentTag ws /= wkspc
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return wkspc `asTypeOf` throwError ""
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