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