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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
97 lines
3.5 KiB
Haskell
97 lines
3.5 KiB
Haskell
{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, PatternGuards #-}
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-----------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Layout.WorkspaceDir
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-- Copyright : (c) 2007 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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-- WorkspaceDir is an extension to set the current directory in a workspace.
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--
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-- Actually, it sets the current directory in a layout, since there's no way I
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-- know of to attach a behavior to a workspace. This means that any terminals
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-- (or other programs) pulled up in that workspace (with that layout) will
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-- execute in that working directory. Sort of handy, I think.
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--
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-- Note this extension requires the 'directory' package to be installed.
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--
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-----------------------------------------------------------------------------
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module XMonad.Layout.WorkspaceDir (
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-- * Usage
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-- $usage
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workspaceDir,
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changeDir,
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WorkspaceDir,
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Chdir(Chdir),
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) where
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import System.Directory ( setCurrentDirectory, getCurrentDirectory )
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import XMonad.Prelude ( when )
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import XMonad hiding ( focus )
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import XMonad.Prompt ( XPConfig )
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import XMonad.Prompt.Directory ( directoryPrompt )
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import XMonad.Layout.LayoutModifier
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import XMonad.StackSet ( tag, currentTag )
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-- $usage
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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.Layout.WorkspaceDir
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--
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-- Then edit your @layoutHook@ by adding the Workspace layout modifier
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-- to some layout:
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--
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-- > myLayout = workspaceDir "~" (Tall 1 (3/100) (1/2)) ||| Full ||| etc..
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-- > main = xmonad def { layoutHook = myLayout }
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--
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-- For more detailed instructions on editing the layoutHook see:
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--
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-- "XMonad.Doc.Extending#Editing_the_layout_hook"
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--
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-- WorkspaceDir provides also a prompt. To use it you need to import
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-- "XMonad.Prompt" and add something like this to your key bindings:
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--
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-- > , ((modm .|. shiftMask, xK_x ), changeDir def)
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--
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-- If you prefer a prompt with case-insensitive completion:
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--
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-- > , ((modm .|. shiftMask, xK_x ),
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-- changeDir def {complCaseSensitivity = CaseInSensitive})
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--
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-- For detailed instruction on editing the key binding see:
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--
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-- "XMonad.Doc.Extending#Editing_key_bindings".
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newtype Chdir = Chdir String
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instance Message Chdir
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newtype WorkspaceDir a = WorkspaceDir String deriving ( Read, Show )
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instance LayoutModifier WorkspaceDir Window where
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modifyLayout (WorkspaceDir d) w r = do tc <- gets (currentTag.windowset)
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when (tc == tag w) $ scd d
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runLayout w r
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handleMess (WorkspaceDir _) m
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| Just (Chdir wd) <- fromMessage m = do wd' <- cleanDir wd
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return $ Just $ WorkspaceDir wd'
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| otherwise = return Nothing
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workspaceDir :: LayoutClass l a => String -> l a
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-> ModifiedLayout WorkspaceDir l a
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workspaceDir s = ModifiedLayout (WorkspaceDir s)
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cleanDir :: String -> X String
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cleanDir x = scd x >> io getCurrentDirectory
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scd :: String -> X ()
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scd x = catchIO $ setCurrentDirectory x
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changeDir :: XPConfig -> X ()
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changeDir c = directoryPrompt c "Set working directory: " (sendMessage . Chdir)
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