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78 lines
2.5 KiB
Haskell
78 lines
2.5 KiB
Haskell
-----------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Util.NamedWindows
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-- Copyright : (c) David Roundy <droundy@darcs.net>
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-- License : BSD3-style (see LICENSE)
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--
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-- Maintainer : none
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-- Stability : unstable
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-- Portability : unportable
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--
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-- This module allows you to associate the X titles of windows with
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-- them.
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--
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-----------------------------------------------------------------------------
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module XMonad.Util.NamedWindows (
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-- * Usage
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-- $usage
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NamedWindow,
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getName,
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getNameWMClass,
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withNamedWindow,
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unName
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) where
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import Control.Exception.Extensible as E
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import Data.Maybe ( fromMaybe, listToMaybe )
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import qualified XMonad.StackSet as W ( peek )
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import XMonad
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-- $usage
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-- See "XMonad.Layout.Tabbed" for an example of its use.
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data NamedWindow = NW !String !Window
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instance Eq NamedWindow where
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(NW s _) == (NW s' _) = s == s'
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instance Ord NamedWindow where
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compare (NW s _) (NW s' _) = compare s s'
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instance Show NamedWindow where
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show (NW n _) = n
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getName :: Window -> X NamedWindow
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getName w = withDisplay $ \d -> do
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-- TODO, this code is ugly and convoluted -- clean it up
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let getIt = bracket getProp (xFree . tp_value) (fmap (`NW` w) . copy)
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getProp = (internAtom d "_NET_WM_NAME" False >>= getTextProperty d w)
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`E.catch` \(SomeException _) -> getTextProperty d w wM_NAME
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copy prop = fromMaybe "" . listToMaybe <$> wcTextPropertyToTextList d prop
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io $ getIt `E.catch` \(SomeException _) -> ((`NW` w) . resName) <$> getClassHint d w
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-- | Get 'NamedWindow' using 'wM_CLASS'
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getNameWMClass :: Window -> X NamedWindow
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getNameWMClass w =
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withDisplay $ \d
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-- TODO, this code is ugly and convoluted -- clean it up
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-> do
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let getIt = bracket getProp (xFree . tp_value) (fmap (`NW` w) . copy)
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getProp = getTextProperty d w wM_CLASS
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copy prop =
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fromMaybe "" . listToMaybe <$> wcTextPropertyToTextList d prop
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io $
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getIt `E.catch` \(SomeException _) ->
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((`NW` w) . resName) <$> getClassHint d w
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unName :: NamedWindow -> Window
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unName (NW _ w) = w
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withNamedWindow :: (NamedWindow -> X ()) -> X ()
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withNamedWindow f = do ws <- gets windowset
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whenJust (W.peek ws) $ \w -> getName w >>= f
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