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|
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Actions.WindowBringer
-- Copyright : Devin Mullins <me@twifkak.com>
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Devin Mullins <me@twifkak.com>
-- Stability : stable
-- 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 XMonad.Actions.WindowBringer (
-- * Usage
-- $usage
gotoMenu, gotoMenu', bringMenu, windowMap,
bringWindow
) where
import Data.Char (toLower)
import qualified Data.Map as M
import qualified XMonad.StackSet as W
import XMonad
import qualified XMonad as X
import XMonad.Util.Dmenu (menuMap)
import XMonad.Util.NamedWindows (getName)
-- $usage
--
-- Import the module into your @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Actions.WindowBringer
--
-- and define appropriate key bindings:
--
-- > , ((modm .|. shiftMask, xK_g ), gotoMenu)
-- > , ((modm .|. shiftMask, xK_b ), bringMenu)
--
-- For detailed instructions on editing your key bindings, see
-- "XMonad.Doc.Extending#Editing_key_bindings".
-- | Pops open a dmenu with window titles. Choose one, and you will be
-- taken to the corresponding workspace.
gotoMenu :: X ()
gotoMenu = actionMenu W.focusWindow
gotoMenu' :: String -> X ()
gotoMenu' menuCmd = actionMenu' menuCmd W.focusWindow
-- | Pops open a dmenu with window titles. Choose one, and it will be
-- dragged, kicking and screaming, into your current workspace.
bringMenu :: X ()
bringMenu = actionMenu bringWindow
-- | Brings the specified window into the current workspace.
bringWindow :: Window -> X.WindowSet -> X.WindowSet
bringWindow w ws = W.shiftWin (W.currentTag ws) w ws
-- | Calls dmenuMap to grab the appropriate Window, and hands it off to action
-- if found.
actionMenu :: (Window -> X.WindowSet -> X.WindowSet) -> X()
actionMenu action = actionMenu' "dmenu" action
actionMenu' :: String -> (Window -> X.WindowSet -> X.WindowSet) -> X()
actionMenu' menuCmd action = windowMap >>= menuMapFunction >>= flip X.whenJust (windows . action)
where
menuMapFunction :: M.Map String a -> X (Maybe a)
menuMapFunction selectionMap = menuMap menuCmd selectionMap
-- | A map from window names to Windows.
windowMap :: X (M.Map String Window)
windowMap = do
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 (,) 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 ++ "]"
|
