mirror of
https://github.com/xmonad/xmonad-contrib.git
synced 2025-05-19 03:20:21 -07:00
117 lines
5.4 KiB
Haskell
117 lines
5.4 KiB
Haskell
{-# LANGUAGE DeriveDataTypeable, FlexibleInstances, GeneralizedNewtypeDeriving, MultiParamTypeClasses #-}
|
|
|
|
-----------------------------------------------------------------------------
|
|
-- |
|
|
-- Module : XMonad.Layout.ResizableTile
|
|
-- Copyright : (c) MATSUYAMA Tomohiro <t.matsuyama.pub@gmail.com>
|
|
-- License : BSD-style (see LICENSE)
|
|
--
|
|
-- Maintainer : MATSUYAMA Tomohiro <t.matsuyama.pub@gmail.com>
|
|
-- Stability : unstable
|
|
-- Portability : unportable
|
|
--
|
|
-- More useful tiled layout that allows you to change a width\/height of window.
|
|
--
|
|
-----------------------------------------------------------------------------
|
|
|
|
module XMonad.Layout.ResizableTile (
|
|
-- * Usage
|
|
-- $usage
|
|
ResizableTall(..), MirrorResize(..)
|
|
) where
|
|
|
|
import XMonad hiding (tile, splitVertically, splitHorizontallyBy)
|
|
import qualified XMonad.StackSet as W
|
|
import Control.Monad
|
|
import qualified Data.Map as M
|
|
import Data.List ((\\))
|
|
|
|
-- $usage
|
|
-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:
|
|
--
|
|
-- > import XMonad.Layout.ResizableTile
|
|
--
|
|
-- Then edit your @layoutHook@ by adding the ResizableTile layout:
|
|
--
|
|
-- > myLayouts = ResizableTall 1 (3/100) (1/2) [] ||| etc..
|
|
-- > main = xmonad defaultConfig { layoutHook = myLayouts }
|
|
--
|
|
-- For more detailed instructions on editing the layoutHook see:
|
|
--
|
|
-- "XMonad.Doc.Extending#Editing_the_layout_hook"
|
|
--
|
|
-- You may also want to add the following key bindings:
|
|
--
|
|
-- > , ((modm, xK_a), sendMessage MirrorShrink)
|
|
-- > , ((modm, xK_z), sendMessage MirrorExpand)
|
|
--
|
|
-- For detailed instruction on editing the key binding see:
|
|
--
|
|
-- "XMonad.Doc.Extending#Editing_key_bindings".
|
|
|
|
data MirrorResize = MirrorShrink | MirrorExpand deriving Typeable
|
|
instance Message MirrorResize
|
|
|
|
data ResizableTall a = ResizableTall
|
|
{ _nmaster :: Int -- ^ number of master windows
|
|
, _delta :: Rational -- ^ change when resizing by 'Shrink', 'Expand',
|
|
-- 'MirrorShrink', 'MirrorExpand'
|
|
, _frac :: Rational -- ^ width of master
|
|
, _slaves :: [Rational] -- ^ fraction to multiply the window
|
|
-- height that would be given when divided equally.
|
|
--
|
|
-- slave windows are assigned their modified
|
|
-- heights in order, from top to bottom
|
|
--
|
|
-- unspecified values are replaced by 1
|
|
} deriving (Show, Read)
|
|
|
|
instance LayoutClass ResizableTall a where
|
|
doLayout (ResizableTall nmaster _ frac mfrac) r =
|
|
return . (\x->(x,Nothing)) .
|
|
ap zip (tile frac (mfrac ++ repeat 1) r nmaster . length) . W.integrate
|
|
handleMessage (ResizableTall nmaster delta frac mfrac) m =
|
|
do ms <- (W.stack . W.workspace . W.current) `fmap` gets windowset
|
|
fs <- (M.keys . W.floating) `fmap` gets windowset
|
|
return $ ms >>= unfloat fs >>= handleMesg
|
|
where handleMesg s = msum [fmap resize (fromMessage m)
|
|
,fmap (\x -> mresize x s) (fromMessage m)
|
|
,fmap incmastern (fromMessage m)]
|
|
unfloat fs s = if W.focus s `elem` fs
|
|
then Nothing
|
|
else Just (s { W.up = (W.up s) \\ fs
|
|
, W.down = (W.down s) \\ fs })
|
|
resize Shrink = ResizableTall nmaster delta (max 0 $ frac-delta) mfrac
|
|
resize Expand = ResizableTall nmaster delta (min 1 $ frac+delta) mfrac
|
|
mresize MirrorShrink s = mresize' s delta
|
|
mresize MirrorExpand s = mresize' s (0-delta)
|
|
mresize' s d = let n = length $ W.up s
|
|
total = n + (length $ W.down s) + 1
|
|
pos = if n == (nmaster-1) || n == (total-1) then n-1 else n
|
|
mfrac' = modifymfrac (mfrac ++ repeat 1) d pos
|
|
in ResizableTall nmaster delta frac $ take total mfrac'
|
|
modifymfrac [] _ _ = []
|
|
modifymfrac (f:fx) d n | n == 0 = f+d : fx
|
|
| otherwise = f : modifymfrac fx d (n-1)
|
|
incmastern (IncMasterN d) = ResizableTall (max 0 (nmaster+d)) delta frac mfrac
|
|
description _ = "ResizableTall"
|
|
|
|
tile :: Rational -> [Rational] -> Rectangle -> Int -> Int -> [Rectangle]
|
|
tile f mf r nmaster n = if n <= nmaster || nmaster == 0
|
|
then splitVertically mf n r
|
|
else splitVertically mf nmaster r1 ++ splitVertically (drop nmaster mf) (n-nmaster) r2 -- two columns
|
|
where (r1,r2) = splitHorizontallyBy f r
|
|
|
|
splitVertically :: RealFrac r => [r] -> Int -> Rectangle -> [Rectangle]
|
|
splitVertically [] _ r = [r]
|
|
splitVertically _ n r | n < 2 = [r]
|
|
splitVertically (f:fx) n (Rectangle sx sy sw sh) = Rectangle sx sy sw smallh :
|
|
splitVertically fx (n-1) (Rectangle sx (sy+fromIntegral smallh) sw (sh-smallh))
|
|
where smallh = min sh (floor $ fromIntegral (sh `div` fromIntegral n) * f) --hmm, this is a fold or map.
|
|
|
|
splitHorizontallyBy :: RealFrac r => r -> Rectangle -> (Rectangle, Rectangle)
|
|
splitHorizontallyBy f (Rectangle sx sy sw sh) =
|
|
( Rectangle sx sy leftw sh
|
|
, Rectangle (sx + fromIntegral leftw) sy (sw-fromIntegral leftw) sh)
|
|
where leftw = floor $ fromIntegral sw * f
|