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f732082fdc
Typeable has been automatically derived for every type since GHC 7.10, so remove these obsolete derivations. This also allows us to get rid of the `DeriveDataTypeable` pragma quite naturally. Related: https://github.com/xmonad/xmonad/pull/299 (xmonad/xmonad@9e5b16ed8a) Related: bd5b969d9ba24236c0d5ef521c0397390dbc4b37 Fixes: https://github.com/xmonad/xmonad-contrib/issues/548
49 lines
1.7 KiB
Haskell
49 lines
1.7 KiB
Haskell
-----------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Actions.PerWorkspaceKeys
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-- Copyright : (c) Roman Cheplyaka, 2008
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-- License : BSD3-style (see LICENSE)
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--
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-- Maintainer : Roman Cheplyaka <roma@ro-che.info>
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-- Stability : unstable
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-- Portability : unportable
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--
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-- Define key-bindings on per-workspace basis.
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--
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-----------------------------------------------------------------------------
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module XMonad.Actions.PerWorkspaceKeys (
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-- * Usage
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-- $usage
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chooseAction,
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bindOn
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) where
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import XMonad
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import XMonad.StackSet as S
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-- $usage
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--
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-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:
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--
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-- > import XMonad.Actions.PerWorkspaceKeys
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--
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-- > ,((0, xK_F2), bindOn [("1", spawn "rxvt"), ("2", spawn "xeyes"), ("", spawn "xmessage hello")])
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--
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-- For detailed instructions on editing your key bindings, see
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-- "XMonad.Doc.Extending#Editing_key_bindings".
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-- | Uses supplied function to decide which action to run depending on current workspace name.
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chooseAction :: (String->X()) -> X()
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chooseAction f = withWindowSet (f . S.currentTag)
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-- | If current workspace is listed, run appropriate action (only the first match counts!)
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-- If it isn't listed, then run default action (marked with empty string, \"\"), or do nothing if default isn't supplied.
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bindOn :: [(String, X())] -> X()
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bindOn bindings = chooseAction chooser where
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chooser ws = case lookup ws bindings of
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Just action -> action
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Nothing -> case lookup "" bindings of
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Just action -> action
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Nothing -> return ()
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