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authorSpencer Janssen <sjanssen@cse.unl.edu>2007-11-01 21:10:59 +0100
committerSpencer Janssen <sjanssen@cse.unl.edu>2007-11-01 21:10:59 +0100
commit4866f2e367dfcf22a9591231ba40948826a1b438 (patch)
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------------------------------------------------------------------------------
--- |
--- Module : XMonadContrib.FindEmptyWorkspace
--- Copyright : (c) Miikka Koskinen 2007
--- License : BSD3-style (see LICENSE)
---
--- Maintainer : arcatan@kapsi.fi
--- Stability : unstable
--- Portability : unportable
---
--- Find an empty workspace in XMonad.
---
------------------------------------------------------------------------------
-
-module XMonadContrib.FindEmptyWorkspace (
- -- * Usage
- -- $usage
- viewEmptyWorkspace, tagToEmptyWorkspace
- ) where
-
-import Control.Monad.State
-import Data.List
-import Data.Maybe ( isNothing )
-
-import XMonad
-import XMonad.StackSet
-
-import XMonad.Operations
-
--- $usage
---
--- 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-m. Mod-shift-m will
--- tag the current window to an empty workspace and view it.
-
--- %import XMonadContrib.FindEmptyWorkspace
--- %keybind , ((modMask, xK_m ), viewEmptyWorkspace)
--- %keybind , ((modMask .|. shiftMask, xK_m ), tagToEmptyWorkspace)
-
-
--- | 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