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|
-----------------------------------------------------------------------------
-- |
-- Module : XMonadContrib.LayoutHints
-- Copyright : (c) David Roundy <droundy@darcs.net>
-- License : BSD
--
-- Maintainer : David Roundy <droundy@darcs.net>
-- Stability : unstable
-- Portability : portable
--
-- Make layouts respect size hints.
-----------------------------------------------------------------------------
module XMonadContrib.LayoutHints (
-- * usage
-- $usage
layoutHints) where
import Operations ( applySizeHints, D )
import Graphics.X11.Xlib
import Graphics.X11.Xlib.Extras ( getWMNormalHints )
import {-#SOURCE#-} Config (borderWidth)
import XMonad hiding ( trace )
-- $usage
-- > import XMonadContrib.LayoutHints
-- > defaultLayouts = [ layoutHints tiled , layoutHints $ mirror tiled ]
-- | Expand a size by the given multiple of the border width. The
-- multiple is most commonly 1 or -1.
adjBorders :: Dimension -> D -> D
adjBorders mult (w,h) = (w+2*mult*borderWidth, h+2*mult*borderWidth)
layoutHints :: Layout Window -> Layout Window
layoutHints l = l { doLayout = \r x -> doLayout l r x >>= applyHints
, modifyLayout = \x -> fmap layoutHints `fmap` modifyLayout l x }
applyHints :: [(Window, Rectangle)] -> X [(Window, Rectangle)]
applyHints xs = mapM applyHint xs
where applyHint (w,Rectangle a b c d) =
withDisplay $ \disp ->
do sh <- io $ getWMNormalHints disp w
let (c',d') = adjBorders 1 . applySizeHints sh . adjBorders (-1) $ (c,d)
return (w, Rectangle a b c' d')
|
