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|
-----------------------------------------------------------------------------
-- |
-- Module : XMonad.Actions.FindEmptyWorkspace
-- Copyright : (c) Miikka Koskinen 2007
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : arcatan@kapsi.fi
-- Stability : stable
-- Portability : unportable
--
-- Find an empty workspace.
--
-----------------------------------------------------------------------------
module XMonad.Actions.FindEmptyWorkspace (
-- * Usage
-- $usage
viewEmptyWorkspace, tagToEmptyWorkspace, sendToEmptyWorkspace
) where
import Data.List
import Data.Maybe ( isNothing )
import XMonad
import XMonad.StackSet
-- $usage
--
-- To use, import this module into your @~\/.xmonad\/xmonad.hs@:
--
-- > import XMonad.Actions.FindEmptyWorkspace
--
-- and add the desired keybindings, for example:
--
-- > , ((modm, xK_m ), viewEmptyWorkspace)
-- > , ((modm .|. shiftMask, xK_m ), tagToEmptyWorkspace)
--
-- Now you can jump to an empty workspace with @mod-m@. @Mod-shift-m@
-- will tag the current window to an empty workspace and view it.
--
-- For detailed instructions on editing your key bindings, see
-- "XMonad.Doc.Extending#Editing_key_bindings".
-- | 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 l a s sd -> Maybe (Workspace i l a)
findEmptyWorkspace = find (isNothing . stack) . allWorkspaces
where
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 (windows . view)
-- | Tag current window to an empty workspace and view it. Do nothing if
-- all workspaces are in use.
tagToEmptyWorkspace :: X ()
tagToEmptyWorkspace = withEmptyWorkspace $ \w -> windows $ view w . shift w
-- | Send current window to an empty workspace. Do nothing if
-- all workspaces are in use.
sendToEmptyWorkspace :: X ()
sendToEmptyWorkspace = withEmptyWorkspace $ \w -> windows $ shift w
|
