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|
{-# LANGUAGE MultiParamTypeClasses #-}
-----------------------------------------------------------------------------
-- |
-- Module : XMonadContrib.Square
-- Copyright : (c) David Roundy <droundy@darcs.net>
-- License : BSD3-style (see LICENSE)
--
-- Maintainer : David Roundy <droundy@darcs.net>
-- Stability : unstable
-- Portability : unportable
--
-- A layout that splits the screen into a square area and the rest of the
-- screen.
-- This is probably only ever useful in combination with
-- "XMonadContrib.Combo".
-- It sticks one window in a square region, and makes the rest
-- of the windows live with what's left (in a full-screen sense).
--
-----------------------------------------------------------------------------
module XMonadContrib.Square (
-- * Usage
-- $usage
Square(..) ) where
import XMonad
import Graphics.X11.Xlib
import StackSet ( integrate )
-- $usage
-- You can use this module with the following in your Config.hs file:
--
-- > import XMonadContrib.Square
--
-- An example layout using square together with "XMonadContrib.Combo"
-- to make the very last area square:
--
-- > , combo (combo (mirror $ twoPane 0.03 0.85),1)] (twoPane 0.03 0.5) )
-- > [(twoPane 0.03 0.2,1),(combo [(twoPane 0.03 0.8,1),(square,1)]
-- > [(tabbed,3),(tabbed,30),(tabbed,1),(tabbed,1)]
-- %import XMonadContrib.Square
data Square a = Square deriving ( Read, Show )
instance LayoutClass Square a where
pureLayout Square r s = arrange (integrate s)
where arrange ws@(_:_) = map (\w->(w,rest)) (init ws) ++ [(last ws,sq)]
arrange [] = [] -- actually, this is an impossible case
(rest, sq) = splitSquare r
splitSquare :: Rectangle -> (Rectangle, Rectangle)
splitSquare (Rectangle x y w h)
| w > h = (Rectangle x y (w - h) h, Rectangle (x+fromIntegral (w-h)) y h h)
| otherwise = (Rectangle x y w (h-w), Rectangle x (y+fromIntegral (h-w)) w w)
|
