From 4866f2e367dfcf22a9591231ba40948826a1b438 Mon Sep 17 00:00:00 2001
From: Spencer Janssen <sjanssen@cse.unl.edu>
Date: Thu, 1 Nov 2007 21:10:59 +0100
Subject: Hierarchify

darcs-hash:20071101201059-a5988-fc1f1262bec1b69e13ba18ae7cefeafc8c4471d4.gz
---
 ThreeColumns.hs | 80 ---------------------------------------------------------
 1 file changed, 80 deletions(-)
 delete mode 100644 ThreeColumns.hs

(limited to 'ThreeColumns.hs')

diff --git a/ThreeColumns.hs b/ThreeColumns.hs
deleted file mode 100644
index 9b10cc4..0000000
--- a/ThreeColumns.hs
+++ /dev/null
@@ -1,80 +0,0 @@
-{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses #-}
-
------------------------------------------------------------------------------
--- |
--- Module      :  XMonadContrib.ThreeColumns
--- Copyright   :  (c) Kai Grossjohann <kai@emptydomain.de>
--- License     :  BSD3-style (see LICENSE)
--- 
--- Maintainer  :  ?
--- Stability   :  unstable
--- Portability :  unportable
---
--- A layout similar to tall but with three columns.
---
------------------------------------------------------------------------------
-
-module XMonadContrib.ThreeColumns (
-                              -- * Usage
-                              -- $usage
-                              ThreeCol(..)
-                             ) where
-
-import XMonad
-import qualified XMonad.StackSet as W
-import XMonad.Layouts ( Resize(..), IncMasterN(..), splitVertically, splitHorizontallyBy )
-
-import Data.Ratio
-
---import Control.Monad.State
-import Control.Monad.Reader
-
-import Graphics.X11.Xlib
-
--- $usage
---
--- You can use this module with the following in your Config.hs file:
---
--- > import XMonadContrib.ThreeColumns
---
---  and add, to the list of layouts:
---
--- > ThreeCol nmaster delta ratio
-
--- %import XMonadContrib.ThreeColumns
--- %layout , ThreeCol nmaster delta ratio
-
-data ThreeCol a = ThreeCol Int Rational Rational deriving (Show,Read)
-
-instance LayoutClass ThreeCol a where
-    doLayout (ThreeCol nmaster _ frac) r =
-        return . (\x->(x,Nothing)) .
-        ap zip (tile3 frac r nmaster . length) . W.integrate
-    handleMessage (ThreeCol nmaster delta frac) m =
-        return $ msum [fmap resize     (fromMessage m)
-                      ,fmap incmastern (fromMessage m)]
-            where resize Shrink = ThreeCol nmaster delta (max 0 $ frac-delta)
-                  resize Expand = ThreeCol nmaster delta (min 1 $ frac+delta)
-                  incmastern (IncMasterN d) = ThreeCol (max 0 (nmaster+d)) delta frac
-    description _ = "ThreeCol"
-
--- | tile3.  Compute window positions using 3 panes
-tile3 :: Rational -> Rectangle -> Int -> Int -> [Rectangle]
-tile3 f r nmaster n 
-    | n <= nmaster || nmaster == 0 = splitVertically n r
-    | n <= nmaster+1 = splitVertically nmaster s1 ++ splitVertically (n-nmaster) s2
-    | otherwise = splitVertically nmaster r1 ++ splitVertically nmid r2 ++ splitVertically nright r3
-  where (r1, r2, r3) = split3HorizontallyBy f r
-        (s1, s2) = splitHorizontallyBy f r
-        nslave = (n - nmaster)
-        nmid = ceiling (nslave % 2)
-        nright = (n - nmaster - nmid)
-
-split3HorizontallyBy :: Rational -> Rectangle -> (Rectangle, Rectangle, Rectangle)
-split3HorizontallyBy f (Rectangle sx sy sw sh) =
-    ( Rectangle sx sy leftw sh
-    , Rectangle (sx + fromIntegral leftw) sy midw sh
-    , Rectangle (sx + fromIntegral leftw + fromIntegral midw) sy rightw sh )
-  where leftw = ceiling $ fromIntegral sw * (2/3) * f
-        midw = ceiling ( (sw - leftw) % 2 )
-        rightw = sw - leftw - midw
-- 
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