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Diffstat (limited to 'scripts/xmonad-status.hs')
-rw-r--r-- | scripts/xmonad-status.hs | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/scripts/xmonad-status.hs b/scripts/xmonad-status.hs deleted file mode 100644 index 4bd47b0..0000000 --- a/scripts/xmonad-status.hs +++ /dev/null @@ -1,125 +0,0 @@ -{-# OPTIONS -fglasgow-exts #-} ------------------------------------------------------------------------------ --- | --- Module : xmonad-status.hs --- Copyright : (c) Don Stewart 2007 --- License : BSD3-style --- Maintainer : dons@cse.unsw.edu.au --- --- An external statusbar-client for xmonad. --- --- Prints the workspaces in a simple form, read from the logging output --- of xmonad. --- --- An example use: --- --- xmonad | xmonad-status | dzen2 -ta l -fg '#a8a3f7' -bg '#3f3c6d' --- --- Creates a workspace table on the left side of the screen. --- --- A version that perfectly emulates wmii or dwm could be distributed. --- ------------------------------------------------------------------------------ - -import Data.List -import StackSet -import XMonad -import System.IO -import Text.PrettyPrint -import Graphics.X11.Types (Window) - --- --- parse the StackSet output, and print it in the form: --- --- *[1] 2 *3 *4 5 6 7 8 --- --- It's an example of how to write a Haskell script to hack --- the structure defined in StackSet.hs --- - -main = forever $ getLine >>= readIO >>= draw - where - forever a = a >> forever a - --- --- All the magic is in the 'ppr' instances, below. --- -draw :: WindowSet -> IO () -draw s = do putStrLn . render . ppr $ s - hFlush stdout - --- --------------------------------------------------------------------- --- --- A simple recursive descent pretty printer for the StackSet type. --- -class Pretty a where - ppr :: a -> Doc - --- --- And instances for the StackSet layers --- -instance Pretty WindowSet where - ppr (StackSet { current = cws -- the different workspaces - , visible = vws - , hidden = hws }) = ppr (sortBy tags workspaces) - where - -- tag each workspace with its flavour - workspaces = C (workspace cws) : map (V . workspace) vws ++ map H hws - - -- sort them by their tags - tags a b = (tag.unWrap) a `compare` (tag.unWrap) b - --- --- How to print each workspace kind --- -instance Pretty TaggedW where - ppr (C w) = brackets (ppr w) -- [1] - ppr (V w) = parens (ppr w) -- <2> - ppr (H w) = char ' ' <> ppr w <> char ' ' -- 3 - --- tags are printed as integers (or map them to strings) -instance Pretty W where --- Just print int tags: - ppr (Workspace i s) = int (1 + fromIntegral i) <> ppr s - -{- - ppr (Workspace i s) = - hcat [ppr s - ,int (1 + fromIntegral i) - ,char ':' - ,text tag] - where - tag | Just t <- lookup i tags = t - | otherwise = "dev" - - tags = zip [0..8] ["irc","web","ghc"] --} - - --- non-empty stacks get a '*' -instance Pretty (Stack Window) where - ppr Empty = empty - ppr _ = char '*' - --- lists are printed with whitespace -instance Pretty a => Pretty [a] where - ppr [] = empty - ppr (x:xs) = ppr x <> ppr xs - - --- --------------------------------------------------------------------- --- Some type information for the pretty printer - --- We have a fixed workspace type -type W = Workspace WorkspaceId Window - --- Introduce a newtype to distinguish different workspace flavours -data TaggedW = C W -- current - | V W -- visible - | H W -- hidden - --- And the ability to unwrap tagged workspaces -unWrap :: TaggedW -> W -unWrap (C w) = w -unWrap (V w) = w -unWrap (H w) = w |