Initial import of xmonad contributions

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diff --git a/examples/dzen-status/Config.hs b/examples/dzen-status/Config.hs
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+-----------------------------------------------------------------------------
+-- |
+-- Module      :  Config.hs
+-- Copyright   :  (c) Spencer Janssen 2007
+-- License     :  BSD3-style (see LICENSE)
+-- 
+-- Maintainer  :  dons@cse.unsw.edu.au
+-- Stability   :  stable
+-- Portability :  portable
+--
+-----------------------------------------------------------------------------
+
+module Config where
+
+--
+-- xmonad bindings follow mostly the dwm/wmii conventions:
+-- 
+--     key combination         action
+--     
+--     mod-shift-return        new xterm
+--     mod-p                   launch dmenu
+--     mod-shift-p             launch gmrun
+-- 
+--     mod-space               switch tiling mode
+-- 
+--     mod-tab                 raise next window in stack
+--     mod-j
+--     mod-k
+-- 
+--     mod-h                   decrease the size of the master area
+--     mod-l                   increase the size of the master area
+-- 
+--     mod-shift-c             kill client
+--     mod-shift-q             exit window manager
+--     mod-shift-ctrl-q        restart window manager ('xmonad' must be in $PATH)
+-- 
+--     mod-return              cycle the current tiling order
+-- 
+--     mod-1..9                switch to workspace N
+--     mod-shift-1..9          move client to workspace N
+-- 
+--     mod-w,e,r               switch to physical/Xinerama screen 1, 2 or 3.
+-- 
+-- xmonad places each window into a "workspace." Each workspace can have
+-- any number of windows, which you can cycle though with mod-j and mod-k.
+-- Windows are either displayed full screen, tiled horizontally, or tiled
+-- vertically. You can toggle the layout mode with mod-space, which will
+-- cycle through the available modes.
+-- 
+-- You can switch to workspace N with mod-N. For example, to switch to
+-- workspace 5, you would press mod-5. Similarly, you can move the current
+-- window to another workspace with mod-shift-N.
+-- 
+-- When running with multiple monitors (Xinerama), each screen has exactly
+-- 1 workspace visible. When xmonad starts, workspace 1 is on screen 1,
+-- workspace 2 is on screen 2, etc. If you switch to a workspace which is
+-- currently visible on another screen, xmonad simply switches focus to
+-- that screen. If you switch to a workspace which is *not* visible, xmonad
+-- replaces the workspace on the *current* screen with the workspace you
+-- selected.
+-- 
+-- For example, if you have the following configuration:
+-- 
+-- Screen 1: Workspace 2
+-- Screen 2: Workspace 5 (current workspace)
+-- 
+-- and you wanted to view workspace 7 on screen 1, you would press:
+-- 
+-- mod-2 (to select workspace 2, and make screen 1 the current screen)
+-- mod-7 (to select workspace 7)
+-- 
+-- Since switching to the workspace currently visible on a given screen is
+-- such a common operation, shortcuts are provided: mod-{w,e,r} switch to
+-- the workspace currently visible on screens 1, 2, and 3 respectively.
+-- Likewise, shift-mod-{w,e,r} moves the current window to the workspace on
+-- that screen.  Using these keys, the above example would become mod-w
+-- mod-7.
+-- 
+
+import Data.Ratio
+import Data.Bits
+import qualified Data.Map as M
+import System.Exit
+import Graphics.X11.Xlib
+import XMonad
+import Operations
+
+-- The number of workspaces:
+workspaces :: Int
+workspaces = 9
+
+-- modMask lets you easily change which modkey you use. The default is mod1Mask
+-- ("left alt").  You may also consider using mod3Mask ("right alt"), which
+-- does not conflict with emacs keybindings. The "windows key" is usually
+-- mod4Mask.
+modMask :: KeyMask
+modMask = mod1Mask
+
+-- How much to change the horizontal/vertical split bar by defalut.
+defaultDelta :: Rational
+defaultDelta = 3%100
+
+-- The mask for the numlock key. You may need to change this on some systems.
+-- You can find the numlock modifier by running "xmodmap" and looking for a
+-- modifier with Num_Lock bound to it.
+numlockMask :: KeyMask
+numlockMask = mod2Mask
+
+-- What layout to start in, and what the default proportion for the
+-- left pane should be in the tiled layout.  See LayoutDesc and
+-- friends in XMonad.hs for options.
+startingLayoutDesc :: LayoutDesc
+startingLayoutDesc =
+    LayoutDesc { layoutType   = Full
+               , tileFraction = 1%2  }
+
+-- The keys list.
+keys :: M.Map (KeyMask, KeySym) (X ())
+keys = M.fromList $
+    [ ((modMask .|. shiftMask, xK_Return), spawn "xterm")
+    , ((modMask,               xK_p     ), spawn "exe=`dmenu_path | dmenu` && exec $exe")
+    , ((modMask .|. shiftMask, xK_p     ), spawn "gmrun")
+    , ((modMask,               xK_space ), switchLayout)
+
+    , ((modMask,               xK_Tab   ), raise GT)
+    , ((modMask,               xK_j     ), raise GT)
+    , ((modMask,               xK_k     ), raise LT)
+
+    , ((modMask,               xK_h     ), changeSplit (negate defaultDelta))
+    , ((modMask,               xK_l     ), changeSplit defaultDelta)
+
+    , ((modMask .|. shiftMask, xK_c     ), kill)
+
+    , ((modMask .|. shiftMask, xK_q                     ), io $ exitWith ExitSuccess)
+    , ((modMask .|. shiftMask .|. controlMask, xK_q     ), io restart)
+
+    -- Cycle the current tiling order
+    , ((modMask,               xK_Return), promote)
+
+    , ((modMask,               xK_s     ), spawn "/home/dons/bin/status")
+
+    ] ++
+    -- Keybindings to get to each workspace:
+    [((m .|. modMask, k), f i)
+        | (i, k) <- zip [0 .. fromIntegral workspaces - 1] [xK_1 ..]
+        , (f, m) <- [(view, 0), (tag, shiftMask)]]
+
+    -- Keybindings to each screen :
+    -- mod-wer (underneath 123) switches to physical/Xinerama screens 1 2 and 3
+    ++
+    [((m .|. modMask, key), screenWorkspace sc >>= f)
+        | (key, sc) <- zip [xK_w, xK_e, xK_r] [0..]
+        , (f, m) <- [(view, 0), (tag, shiftMask)]]
+