My XMonad configuration

xmonad.hs

-----------------------------------------------------------------------------
-- |
-- Copyright   :  (c) Dirley Rodrigues 2012
-- License     :  BSD3-style (see LICENSE)
--
-- Maintainer  :  dirleyrls@gmail.com
-- Stability   :  experimental
--
-- This module specifies my personal configuration values for xmonad
-- and declares it's main function.
--
-----------------------------------------------------------------------------
import XMonad
import XMonad.Actions.DwmPromote (dwmpromote)
import XMonad.Actions.CopyWindow (copyToAll)
import XMonad.Config.Gnome (gnomeConfig)
import XMonad.Hooks.ManageDocks (avoidStruts)
import XMonad.Hooks.ManageHelpers (isDialog, doCenterFloat, isFullscreen, doFullFloat)
import XMonad.Layout.Grid
import XMonad.Layout.IM
import XMonad.Layout.Named (named)
import XMonad.Layout.NoBorders (noBorders, smartBorders)
import XMonad.Layout.PerWorkspace (onWorkspace)
import XMonad.Layout.Reflect (reflectHoriz)
import XMonad.Util.EZConfig (additionalKeysP)
import XMonad.Hooks.SetWMName (setWMName)
import XMonad.Hooks.ManageDocks (manageDocks)
import Control.Monad (liftM2, filterM)
import Data.Ratio ((%))
import System.IO
import qualified Data.Map as M
import qualified XMonad.StackSet as W
 
 
myWorkspaces = ["1:dev", "2:web", "3:im"] ++ map show [4..8] ++ ["9:full"]
 
 
myManageHook = composeAll 
    [ (className =? "Google-chrome") --> viewShift "2:web"
    , (className =? "Pidgin") --> doShift "3:im"
    , (className =? "Vlc") --> viewShift "9:full"
    , (className =? "Unity-2d-panel") --> doFloat
    , (className =? "Unity-2d-launcher") --> doFloat
    , isDialog --> doCenterFloat
    , isFullscreen --> (doF W.focusDown <+> doFullFloat)] 
  where 
    viewShift = doF . liftM2 (.) W.greedyView W.shift
 
 
-- my custom layout. i dont know where this came from, but i'm used to it.
basicLayout = Tall nmaster delta ratio where
    nmaster = 1
    delta   = 3/100
    ratio   = 1/2

tallLayout = named "tall" $ avoidStruts $ basicLayout

wideLayout = named "wide" $ avoidStruts $ Mirror basicLayout

singleLayout = named "single" $ avoidStruts $ noBorders Full

fullscreenLayout = named "fullscreen" $ noBorders Full

imLayout = named "im" $ avoidStruts $ reflectHoriz $ withIM ratio roster chatLayout
  where
    chatLayout      = Grid
    ratio           = 1%6
    roster          = And (ClassName "Pidgin") (Role "buddy_list")

myLayoutHook = smartBorders $ fullscreen $ im $ normal
  where
    normal      = tallLayout ||| wideLayout ||| singleLayout
    fullscreen  = onWorkspace "9:full" fullscreenLayout
    im          = onWorkspace "3:im" imLayout
 

-- keys configuration. i'm trying to keep it small.
myKeys :: XConfig Layout -> M.Map (KeyMask, KeySym) (X ())
myKeys conf@(XConfig {XMonad.modMask = modMask}) = M.fromList $
    [ ((mod1Mask, xK_Tab),              windows W.focusDown)
    , ((modMask, xK_KP_F4),             kill)
    , ((modMask, xK_KP_Enter),          dwmpromote)
    ]
  
 
------------------------------------------------------------------------
-- Startup hook
-- Perform an arbitrary action each time xmonad starts or is restarted
-- with mod-q.  Used by, e.g., XMonad.Layout.PerWorkspace to initialize
-- per-workspace layout choices.
--
myStartupHook = setWMName "LG3D"
 
 
------------------------------------------------------------------------
-- Finally, run xmonad like we set up.
main = do xmonad myConfig
 
 
------------------------------------------------------------------------
-- Combine all configuration.
 
myConfig = gnomeConfig {
    -- simple stuff
    terminal            = "gnome-terminal",
    -- set the Windows key as the mod key
    modMask             = mod4Mask,
    workspaces          = myWorkspaces,
    -- border configuration
    -- the border colors are currently based on the ir_black theme
    normalBorderColor   = "#7c7c7c",
    focusedBorderColor  = "#ffb6b0",
    borderWidth         = 0,
    -- hooks and layouts
    layoutHook          = myLayoutHook,
    manageHook          = manageDocks <+> myManageHook,
    startupHook         = myStartupHook,
    keys                = myKeys <+> keys gnomeConfig
}