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|
{-# LANGUAGE TypeSynonymInstances, MultiParamTypeClasses, DeriveDataTypeable #-}
{-# LANGUAGE PatternGuards, FlexibleContexts, FlexibleInstances #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Layout.BoringWindows
-- Copyright : (c) 2008 David Roundy <droundy@darcs.net>
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : Adam Vogt <vogt.adam@gmail.com>
-- Stability : unstable
-- Portability : unportable
--
-- BoringWindows is an extension to allow windows to be marked boring
--
-----------------------------------------------------------------------------
module XMonad.Layout.BoringWindows (
-- * Usage
-- $usage
boringWindows, boringAuto,
markBoring, clearBoring,
focusUp, focusDown, focusMaster,
UpdateBoring(UpdateBoring),
BoringMessage(Replace,Merge),
BoringWindows()
-- * Tips
-- ** variant of 'Full'
-- $simplest
) where
import XMonad.Layout.LayoutModifier(ModifiedLayout(..),
LayoutModifier(handleMessOrMaybeModifyIt, redoLayout))
import XMonad(Typeable, LayoutClass, Message, X, fromMessage,
sendMessage, windows, withFocused, Window)
import Control.Applicative((<$>))
import Data.List((\\), union)
import Data.Maybe(fromMaybe, listToMaybe, maybeToList)
import qualified Data.Map as M
import qualified XMonad.StackSet as W
-- $usage
-- You can use this module with the following in your
-- @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Layout.BoringWindows
--
-- Then edit your @layoutHook@ by adding the layout modifier:
--
-- > myLayout = boringWindows (Full ||| etc..)
-- > main = xmonad def { layoutHook = myLayout }
--
-- Then to your keybindings, add:
--
-- > , ((modm, xK_j), focusUp)
-- > , ((modm, xK_k), focusDown)
-- > , ((modm, xK_m), focusMaster)
--
-- For more detailed instructions on editing the layoutHook see:
--
-- "XMonad.Doc.Extending#Editing_the_layout_hook"
data BoringMessage = FocusUp | FocusDown | FocusMaster | IsBoring Window | ClearBoring
| Replace String [Window]
| Merge String [Window]
deriving ( Read, Show, Typeable )
instance Message BoringMessage
-- | UpdateBoring is sent before attempting to view another boring window, so
-- that layouts have a chance to mark boring windows.
data UpdateBoring = UpdateBoring
deriving (Typeable)
instance Message UpdateBoring
markBoring, clearBoring, focusUp, focusDown, focusMaster :: X ()
markBoring = withFocused (sendMessage . IsBoring)
clearBoring = sendMessage ClearBoring
focusUp = sendMessage UpdateBoring >> sendMessage FocusUp
focusDown = sendMessage UpdateBoring >> sendMessage FocusDown
focusMaster = sendMessage UpdateBoring >> sendMessage FocusMaster
data BoringWindows a = BoringWindows
{ namedBoring :: M.Map String [a] -- ^ store borings with a specific source
, chosenBoring :: [a] -- ^ user-chosen borings
, hiddenBoring :: Maybe [a] -- ^ maybe mark hidden windows
} deriving (Show,Read,Typeable)
boringWindows :: (LayoutClass l a, Eq a) => l a -> ModifiedLayout BoringWindows l a
boringWindows = ModifiedLayout (BoringWindows M.empty [] Nothing)
-- | Mark windows that are not given rectangles as boring
boringAuto :: (LayoutClass l a, Eq a) => l a -> ModifiedLayout BoringWindows l a
boringAuto = ModifiedLayout (BoringWindows M.empty [] (Just []))
instance LayoutModifier BoringWindows Window where
redoLayout (b@BoringWindows { hiddenBoring = bs }) _r mst arrs = do
let bs' = W.integrate' mst \\ map fst arrs
return (arrs, Just $ b { hiddenBoring = const bs' <$> bs } )
handleMessOrMaybeModifyIt bst@(BoringWindows nbs cbs lbs) m
| Just (Replace k ws) <- fromMessage m
, maybe True (ws/=) (M.lookup k nbs) =
let nnb = if null ws then M.delete k nbs
else M.insert k ws nbs
in rjl bst { namedBoring = nnb }
| Just (Merge k ws) <- fromMessage m
, maybe True (not . null . (ws \\)) (M.lookup k nbs) =
rjl bst { namedBoring = M.insertWith union k ws nbs }
| Just (IsBoring w) <- fromMessage m , w `notElem` cbs =
rjl bst { chosenBoring = w:cbs }
| Just ClearBoring <- fromMessage m, not (null cbs) =
rjl bst { namedBoring = M.empty, chosenBoring = []}
| Just FocusUp <- fromMessage m =
do windows $ W.modify' $ skipBoring W.focusUp'
return Nothing
| Just FocusDown <- fromMessage m =
do windows $ W.modify' $ skipBoring W.focusDown'
return Nothing
| Just FocusMaster <- fromMessage m =
do windows $ W.modify'
$ skipBoring W.focusDown' -- wiggle focus to make sure
. skipBoring W.focusUp' -- no boring window gets the focus
. focusMaster'
return Nothing
where skipBoring f st = fromMaybe st $ listToMaybe
$ filter ((`notElem` W.focus st:bs) . W.focus)
$ take (length $ W.integrate st)
$ iterate f st
bs = concat $ cbs:maybeToList lbs ++ M.elems nbs
rjl = return . Just . Left
handleMessOrMaybeModifyIt _ _ = return Nothing
-- | Variant of 'focusMaster' that works on a
-- 'Stack' rather than an entire 'StackSet'.
focusMaster' :: W.Stack a -> W.Stack a
focusMaster' c@(W.Stack _ [] _) = c
focusMaster' (W.Stack t ls rs) = W.Stack x [] (xs ++ t : rs) where (x:xs) = reverse ls
{- $simplest
An alternative to 'Full' is "XMonad.Layout.Simplest". Less windows are
ignored by 'focusUp' and 'focusDown'. This may be helpful when you want windows
to be uninteresting by some other layout modifier (ex.
"XMonad.Layout.Minimize")
-}
|
