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