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All hints are applied in one single commit, as a commit per hint would result in 80+ separate commits—tihs is really just too much noise. Related: https://github.com/xmonad/xmonad-contrib/issues/537
111 lines
4.3 KiB
Haskell
111 lines
4.3 KiB
Haskell
-----------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Actions.Workscreen
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-- Copyright : (c) 2012 kedals0
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-- License : BSD3-style (see LICENSE)
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--
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-- Maintainer : Dal <kedasl0@gmail.com>
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-- Stability : unstable
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-- Portability: unportable
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--
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-- A workscreen permits to display a set of workspaces on several
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-- screens. In xinerama mode, when a workscreen is viewed, workspaces
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-- associated to all screens are visible.
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--
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-- The first workspace of a workscreen is displayed on first screen,
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-- second on second screen, etc. Workspace position can be easily
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-- changed. If the current workscreen is called again, workspaces are
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-- shifted.
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--
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-- This also permits to see all workspaces of a workscreen even if just
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-- one screen is present, and to move windows from workspace to workscreen.
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-----------------------------------------------------------------------------
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{-# LANGUAGE DeriveDataTypeable #-}
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module XMonad.Actions.Workscreen (
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-- * Usage
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-- $usage
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configWorkscreen
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,viewWorkscreen
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,Workscreen(..)
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,shiftToWorkscreen
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,fromWorkspace
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,expandWorkspace
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,WorkscreenId
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) where
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import XMonad hiding (workspaces)
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import qualified XMonad.StackSet as W
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import qualified XMonad.Util.ExtensibleState as XS
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import XMonad.Actions.OnScreen
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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.Actions.Workscreen
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-- > myWorkspaces = let myOldWorkspaces = ["adm","work","mail"]
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-- > in Workscreen.expandWorkspace 2 myOldWorkspaces
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-- > myStartupHook = do Workscreen.configWorkscreen (Workscreen.fromWorkspace 2 myWorkspaces)
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-- > return ()
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--
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-- Then, replace normal workspace view and shift keybinding:
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--
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-- > [((m .|. modm, k), f i)
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-- > | (i, k) <- zip [0..] [1..12]
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-- > , (f, m) <- [(Workscreen.viewWorkscreen, 0), (Workscreen.shiftToWorkscreen, shiftMask)]]
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--
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-- For detailed instructions on editing your key bindings, see
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-- "XMonad.Doc.Extending#Editing_key_bindings".
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data Workscreen = Workscreen{workscreenId::Int,workspaces::[WorkspaceId]} deriving (Show,Typeable)
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type WorkscreenId=Int
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data WorkscreenStorage = WorkscreenStorage WorkscreenId [Workscreen] deriving (Show,Typeable)
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instance ExtensionClass WorkscreenStorage where
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initialValue = WorkscreenStorage 0 []
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-- | Helper to group workspaces. Multiply workspace by screens number.
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expandWorkspace :: Int -> [WorkspaceId] -> [WorkspaceId]
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expandWorkspace nscr = concatMap expandId
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where expandId wsId = let t = wsId ++ "_"
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in map ((++) t . show ) [1..nscr]
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-- | Create workscreen list from workspace list. Group workspaces to
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-- packets of screens number size.
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fromWorkspace :: Int -> [WorkspaceId] -> [Workscreen]
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fromWorkspace n ws = zipWith Workscreen [0..] (fromWorkspace' n ws)
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fromWorkspace' :: Int -> [WorkspaceId] -> [[WorkspaceId]]
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fromWorkspace' _ [] = []
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fromWorkspace' n ws = take n ws : fromWorkspace' n (drop n ws)
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-- | Initial configuration of workscreens
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configWorkscreen :: [Workscreen] -> X ()
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configWorkscreen wscrn = XS.put (WorkscreenStorage 0 wscrn)
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-- | View workscreen of index @WorkscreenId@. If current workscreen is asked
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-- workscreen, workscreen's workspaces are shifted.
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viewWorkscreen :: WorkscreenId -> X ()
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viewWorkscreen wscrId = do (WorkscreenStorage c a) <- XS.get
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let wscr = if wscrId == c
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then Workscreen wscrId $ shiftWs (workspaces $ a !! wscrId)
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else a !! wscrId
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(x,_:ys) = splitAt wscrId a
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newWorkscreenStorage = WorkscreenStorage wscrId (x ++ [wscr] ++ ys)
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windows (viewWorkscreen' wscr)
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XS.put newWorkscreenStorage
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viewWorkscreen' :: Workscreen -> WindowSet -> WindowSet
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viewWorkscreen' (Workscreen _ ws) = \s -> foldl wsToSc' s (zip [0..] ws)
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where wsToSc' s (scr,wsId) = greedyViewOnScreen scr wsId s
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shiftWs :: [WorkspaceId] -> [WorkspaceId]
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shiftWs a = drop 1 a ++ take 1 a
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-- | Shift a window on the first workspace of workscreen
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-- @WorkscreenId@.
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shiftToWorkscreen :: WorkscreenId -> X ()
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shiftToWorkscreen wscrId = do (WorkscreenStorage _ a) <- XS.get
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let ws = head . workspaces $ a !! wscrId
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windows $ W.shift ws
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