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80 lines
2.8 KiB
Haskell
80 lines
2.8 KiB
Haskell
-----------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Util.Dmenu
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-- Copyright : (c) Spencer Janssen <spencerjanssen@gmail.com>
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-- License : BSD-style (see LICENSE)
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--
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-- Maintainer : Spencer Janssen <spencerjanssen@gmail.com>
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-- Stability : unstable
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-- Portability : unportable
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--
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-- A convenient binding to dmenu.
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--
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-- Requires the process-1.0 package
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--
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-----------------------------------------------------------------------------
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module XMonad.Util.Dmenu (
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-- * Usage
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-- $usage
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dmenu, dmenuXinerama, dmenuMap, menu, menuArgs, menuMap, menuMapArgs
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) where
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import XMonad
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import qualified XMonad.StackSet as W
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import qualified Data.Map as M
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import XMonad.Util.Run
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import Control.Monad (liftM)
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-- $usage
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-- You can use this module with the following in your Config.hs file:
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--
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-- > import XMonad.Util.Dmenu
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--
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-- These functions block xmonad's event loop until dmenu exits; this means that
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-- programs will not be able to open new windows and you will not be able to
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-- change workspaces or input focus until you have responded to the prompt one
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-- way or another.
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-- %import XMonad.Util.Dmenu
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-- | Starts dmenu on the current screen. Requires this patch to dmenu:
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-- <http://www.jcreigh.com/dmenu/dmenu-3.2-xinerama.patch>
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dmenuXinerama :: [String] -> X String
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dmenuXinerama opts = do
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curscreen <-
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(fromIntegral . W.screen . W.current) <$> gets windowset :: X Int
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_ <-
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runProcessWithInput "dmenu" ["-xs", show (curscreen+1)] (unlines opts)
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menuArgs "dmenu" ["-xs", show (curscreen+1)] opts
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-- | Run dmenu to select an option from a list.
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dmenu :: MonadIO m => [String] -> m String
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dmenu opts = menu "dmenu" opts
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-- | like 'dmenu' but also takes the command to run.
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menu :: MonadIO m => String -> [String] -> m String
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menu menuCmd opts = menuArgs menuCmd [] opts
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-- | Like 'menu' but also takes a list of command line arguments.
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menuArgs :: MonadIO m => String -> [String] -> [String] -> m String
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menuArgs menuCmd args opts = fmap (filter (/='\n')) $
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runProcessWithInput menuCmd args (unlines opts)
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-- | Like 'dmenuMap' but also takes the command to run.
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menuMap :: MonadIO m => String -> M.Map String a -> m (Maybe a)
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menuMap menuCmd selectionMap = menuMapArgs menuCmd [] selectionMap
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-- | Like 'menuMap' but also takes a list of command line arguments.
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menuMapArgs :: MonadIO m => String -> [String] -> M.Map String a ->
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m (Maybe a)
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menuMapArgs menuCmd args selectionMap = do
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selection <- menuFunction (M.keys selectionMap)
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return $ M.lookup selection selectionMap
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where
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menuFunction = menuArgs menuCmd args
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-- | Run dmenu to select an entry from a map based on the key.
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dmenuMap :: MonadIO m => M.Map String a -> m (Maybe a)
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dmenuMap selectionMap = menuMap "dmenu" selectionMap
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