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ResizeScreen has been rewritten as a layout modifier

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This commit is contained in:
Andrea Rossato 2008-01-27 14:08:37 +00:00
parent 0f0a99e355
commit 18921e16c9
1 changed files with 17 additions and 35 deletions
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50
XMonad/Layout/ResizeScreen.hs
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@ -22,11 +22,9 @@ module XMonad.Layout.ResizeScreen
, ResizeScreen (..)
) where
import Control.Arrow (second)
import Control.Applicative ((<$>))
import XMonad
import XMonad.Util.XUtils (fi)
import XMonad.Layout.LayoutModifier
-- $usage
-- You can use this module by importing it into your
@ -42,40 +40,24 @@ import XMonad.Util.XUtils (fi)
--
-- "XMonad.Doc.Extending#Editing_the_layout_hook"
resizeHorizontal :: Int -> l a -> ResizeScreen l a
resizeHorizontal = ResizeScreen H
resizeHorizontal :: Int -> l a -> ModifiedLayout ResizeScreen l a
resizeHorizontal i = ModifiedLayout (ResizeScreen H i)
resizeVertical :: Int -> l a -> ResizeScreen l a
resizeVertical = ResizeScreen V
resizeVertical :: Int -> l a -> ModifiedLayout ResizeScreen l a
resizeVertical i = ModifiedLayout (ResizeScreen V i)
withNewRectangle :: Rectangle -> l a -> ResizeScreen l a
withNewRectangle = WithNewScreen
withNewRectangle :: Rectangle -> l a -> ModifiedLayout ResizeScreen l a
withNewRectangle r = ModifiedLayout (WithNewScreen r)
data ResizeScreen l a = ResizeScreen ResizeMode Int (l a)
| WithNewScreen Rectangle (l a)
data ResizeScreen a = ResizeScreen ResizeMode Int
| WithNewScreen Rectangle
deriving (Read, Show)
data ResizeMode = H | V deriving (Read, Show)
instance (LayoutClass l a) => LayoutClass (ResizeScreen l) a where
doLayout m (Rectangle x y w h ) s
| ResizeScreen H i l <- m = resize (ResizeScreen V i) l (Rectangle (x + fi i) y (w - fi i) h)
| ResizeScreen V i l <- m = resize (ResizeScreen H i) l (Rectangle x (y + fi i) w (h - fi i))
| WithNewScreen r l <- m = resize (WithNewScreen r) l r
| otherwise = return ([],Nothing)
where resize t l' nr = second (fmap t) <$> doLayout l' nr s
handleMessage rs m
| ResizeScreen t i l <- rs = go (ResizeScreen t i) l
| WithNewScreen r l <- rs = go (WithNewScreen r) l
| otherwise = return Nothing
where go tp lay = do ml' <- handleMessage lay m
return (tp `fmap` ml')
emptyLayout rs re
| ResizeScreen t i l <- rs = go (ResizeScreen t i) l
| WithNewScreen r l <- rs = go (WithNewScreen r) l
| otherwise = return ([],Nothing)
where go tp lay = do (wrs,ml) <- emptyLayout lay re
return (wrs, tp `fmap` ml)
description _ = []
instance LayoutModifier ResizeScreen a where
modifyLayout m l re@(Rectangle x y w h) s
| ResizeScreen H i <- m = resize (Rectangle (x + fi i) y (w - fi i) h)
| ResizeScreen V i <- m = resize (Rectangle x (y + fi i) w (h - fi i))
| WithNewScreen r <- m = resize r
| otherwise = resize re
where resize nr = doLayout l nr s