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Grid/HintedGrid: use an ncolumns formula inspired by dwm's "optimal" mode

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This commit is contained in:
Lukas Mai
2008-04-02 01:21:26 +00:00
parent 25c23eb79d
commit d2df9b329e
2 changed files with 2 additions and 5 deletions
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2
XMonad/Layout/Grid.hs
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@@ -46,7 +46,7 @@ arrange :: Rectangle -> [a] -> [(a, Rectangle)]
arrange (Rectangle rx ry rw rh) st = zip st rectangles
where
nwins = length st
ncols = ceiling . (sqrt :: Double -> Double) . fromIntegral $ nwins
ncols = max 1 . round . sqrt $ fromIntegral nwins * fromIntegral rw / (fromIntegral rh :: Double)
mincs = nwins `div` ncols
extrs = nwins - ncols * mincs
chop :: Int -> Dimension -> [(Position, Dimension)]

5
XMonad/Layout/HintedGrid.hs
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@@ -56,9 +56,6 @@ instance LayoutClass Grid Window where
adjBorders :: Dimension -> D -> D
adjBorders b (w, h) = (w + 2 * b, h + 2 * b)
isqrt :: (Integral a) => a -> a
isqrt = ceiling . (sqrt :: Double -> Double) . fromIntegral
replicateS :: Int -> (a -> (b, a)) -> a -> ([b], a)
replicateS n = runState . replicateM n . State
@@ -110,7 +107,7 @@ arrange' :: D -> [D -> D] -> [Rectangle]
arrange' (rw, rh) adjs = reverse $ doRect rh rw (fromIntegral ncolumns) (ecols ++ cols)
where
nwindows = length adjs
ncolumns = isqrt nwindows
ncolumns = max 1 . round . sqrt $ fromIntegral nwindows * fromIntegral rw / (fromIntegral rh :: Double)
nrows = nwindows `div` ncolumns
nextras = nwindows - ncolumns * nrows
(ecols, adjs') = replicateS nextras (splitAt (nrows + 1)) $ reverse adjs