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|
-----------------------------------------------------------------------------
-- |
-- Module : XMonadContrib.WindowBringer
-- Copyright : Devin Mullins <me@twifkak.com>
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Devin Mullins <me@twifkak.com>
-- Stability : unstable
-- Portability : unportable
--
-- dmenu operations to bring windows to you, and bring you to windows.
-- That is to say, it pops up a dmenu with window names, in case you forgot
-- where you left your XChat.
--
-----------------------------------------------------------------------------
module XMonadContrib.WindowBringer (
-- * Usage
-- $usage
gotoMenu, bringMenu, windowMapWith
) where
import Control.Monad.State (gets)
import Data.Char (toLower)
import qualified Data.Map as M
import Graphics.X11.Xlib (Window())
import XMonad.Operations (windows)
import qualified XMonad.StackSet as W
import XMonad (X)
import qualified XMonad as X
import XMonadContrib.Dmenu (dmenuMap)
import XMonadContrib.NamedWindows (getName)
-- $usage
--
-- Place in your Config.hs:
--
-- > import XMonadContrib.WindowBringer
--
-- and in the keys definition:
--
-- > , ((modMask .|. shiftMask, xK_g ), gotoMenu)
-- > , ((modMask .|. shiftMask, xK_b ), bringMenu)
-- %import XMonadContrib.WindowBringer
-- %keybind , ((modMask .|. shiftMask, xK_g ), gotoMenu)
-- %keybind , ((modMask .|. shiftMask, xK_b ), bringMenu)
-- | Pops open a dmenu with window titles. Choose one, and you will be
-- taken to the corresponding workspace.
gotoMenu :: X ()
gotoMenu = workspaceMap >>= actionMenu (windows . W.greedyView)
where workspaceMap = windowMapWith (W.tag . fst)
-- | Pops open a dmenu with window titles. Choose one, and it will be
-- dragged, kicking and screaming, into your current workspace.
bringMenu :: X ()
bringMenu = windowMap >>= actionMenu (windows . bringWindow)
where windowMap = windowMapWith snd
bringWindow w ws = W.shiftWin (W.tag . W.workspace . W.current $ ws) w ws
-- | Calls dmenuMap to grab the appropriate element from the Map, and hands it
-- off to action if found.
actionMenu :: (a -> X ()) -> M.Map String a -> X ()
actionMenu action windowMap = dmenuMap windowMap >>= flip X.whenJust action
-- | Generates a Map from window name to <whatever you specify>. For use with
-- dmenuMap.
windowMapWith :: ((X.WindowSpace, Window) -> a) -> X (M.Map String a)
windowMapWith value = do -- TODO: extract the pure, creamy center.
ws <- gets X.windowset
M.fromList `fmap` concat `fmap` mapM keyValuePairs (W.workspaces ws)
where keyValuePairs ws = mapM (keyValuePair ws) $ W.integrate' (W.stack ws)
keyValuePair ws w = flip (,) (value (ws, w)) `fmap` decorateName ws w
-- | Returns the window name as will be listed in dmenu.
-- Lowercased, for your convenience (since dmenu is case-sensitive).
-- Tagged with the workspace ID, to guarantee uniqueness, and to let the user
-- know where he's going.
decorateName :: X.WindowSpace -> Window -> X String
decorateName ws w = do
name <- fmap (map toLower . show) $ getName w
return $ name ++ " [" ++ W.tag ws ++ "]"
|
