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|
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Actions.FocusNth
-- Copyright : (c) Karsten Schoelzel <kuser@gmx.de>
-- License : BSD
--
-- Maintainer : Karsten Schoelzel <kuser@gmx.de>
-- Stability : stable
-- Portability : unportable
--
-- Focus the nth window of the current workspace.
-----------------------------------------------------------------------------
module XMonad.Actions.FocusNth (
-- * Usage
-- $usage
focusNth,focusNth') where
import XMonad.StackSet
import XMonad
-- $usage
-- Add the import to your @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Actions.FocusNth
--
-- Then add appropriate keybindings, for example:
--
-- > -- mod4-[1..9] @@ Switch to window N
-- > ++ [((modm, k), focusNth i)
-- > | (i, k) <- zip [0 .. 8] [xK_1 ..]]
--
-- For detailed instructions on editing your key bindings, see
-- "XMonad.Doc.Extending#Editing_key_bindings".
-- | Give focus to the nth window of the current workspace.
focusNth :: Int -> X ()
focusNth = windows . modify' . focusNth'
focusNth' :: Int -> Stack a -> Stack a
focusNth' n s@(Stack _ ls rs) | (n < 0) || (n > length(ls) + length(rs)) = s
| otherwise = listToStack n (integrate s)
listToStack :: Int -> [a] -> Stack a
listToStack n l = Stack t ls rs
where
(t:rs) = drop n l
ls = reverse (take n l)
|
