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|
{-# OPTIONS -fglasgow-exts #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonadContrib.GreedyView
-- Copyright : (c) Spencer Janssen <sjanssen@cse.unl.edu>
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : Spencer Janssen <sjanssen@cse.unl.edu>
-- Stability : unstable
-- Portability : unportable
--
-- GreedyView is an alternative to standard workspace switching. When a
-- workspace is already visible on another screen, GreedyView swaps the
-- contents of that other screen with the current screen.
--
-----------------------------------------------------------------------------
module XMonadContrib.GreedyView (
-- * Usage
-- $usage
greedyView
) where
import StackSet as W hiding (filter)
import XMonad
import Operations
import Data.List (find)
-- $usage
-- To use GreedyView as your default workspace switcher
--
-- Add this import:
--
-- > import XMonadContrib.GreedyView
--
-- And replace the function call used to switch workspaces,
--
-- this:
--
-- > [((m .|. modMask, k), f i)
-- > | (i, k) <- zip [0 .. fromIntegral workspaces - 1] [xK_1 ..]
-- > , (f, m) <- [(view, 0), (shift, shiftMask)]]
--
-- becomes this :
--
-- > [((m .|. modMask, k), f i)
-- > | (i, k) <- zip [0 .. fromIntegral workspaces - 1] [xK_1 ..]
-- > , (f, m) <- [(greedyView, 0), (shift, shiftMask)]]
--
greedyView :: WorkspaceId -> X ()
greedyView = windows . greedyView'
greedyView' :: WorkspaceId -> WindowSet -> WindowSet
greedyView' w ws
| any wTag (hidden ws) = W.view w ws
| (Just s) <- find (wTag . workspace) (visible ws) = ws { current = setScreen s (screen $ current ws)
, visible = setScreen (current ws) (screen s)
: filter (not . wTag . workspace) (visible ws)
}
| otherwise = ws
where
setScreen s i = s { screen = i }
wTag = (w == ) . tag
|
