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|
-----------------------------------------------------------------------------
-- |
-- Module : XMonadContrib.FindEmptyWorkspace
-- Copyright : (c) Miikka Koskinen 2007
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : arcatan@kapsi.fi
--
-----------------------------------------------------------------------------
--
-- Find an empty workspace in xmonad.
--
-- To use, modify your Config.hs to:
--
-- import XMonadContrib.FindEmptyWorkspace
--
-- and add a keybinding:
--
-- , ((modMask, xK_m ), viewEmptyWorkspace)
-- , ((modMask .|. shiftMask, xK_m ), tagToEmptyWorkspace)
--
-- Now you can jump to an empty workspace with mod-n. Mod-shift-n will
-- tag the current window to an empty workspace and view it.
--
module XMonadContrib.FindEmptyWorkspace (
viewEmptyWorkspace, tagToEmptyWorkspace
) where
import Control.Monad.State
import Data.List
import XMonad
import StackSet
import qualified Operations as O
-- | Find the first hidden empty workspace in a StackSet. Returns
-- Nothing if all workspaces are in use. Function searches currently
-- focused workspace, other visible workspaces (when in Xinerama) and
-- hidden workspaces in this order.
findEmptyWorkspace :: StackSet i a s -> Maybe (Workspace i a)
findEmptyWorkspace = find (isEmpty . stack) . allWorkspaces
where
isEmpty Empty = True
isEmpty _ = False
allWorkspaces ss = (workspace . current) ss :
(map workspace . visible) ss ++ hidden ss
withEmptyWorkspace :: (WorkspaceId -> X ()) -> X ()
withEmptyWorkspace f = do
ws <- gets windowset
whenJust (findEmptyWorkspace ws) (f . tag)
-- | Find and view an empty workspace. Do nothing if all workspaces are
-- in use.
viewEmptyWorkspace :: X ()
viewEmptyWorkspace = withEmptyWorkspace O.view
-- | Tag current window to an empty workspace and view it. Do nothing if
-- all workspaces are in use.
tagToEmptyWorkspace :: X ()
tagToEmptyWorkspace = withEmptyWorkspace $ \w -> O.shift w >> O.view w
|
