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Circle cleanups

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This commit is contained in:
Peter De Wachter 2007-06-21 19:11:25 +00:00
parent 13e2a456e9
commit f292474f20
1 changed files with 9 additions and 8 deletions
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17
Circle.hs
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@ -28,19 +28,20 @@ import StackSet (integrate)
-- > import XMonadContrib.Circle -- > import XMonadContrib.Circle
circle :: Layout a circle :: Layout a
circle = Layout { doLayout = \r -> circleLayout r . integrate, circle = Layout { doLayout = \r -> return . circleLayout r . integrate,
modifyLayout = return . const Nothing } modifyLayout = return . const Nothing }
circleLayout :: Rectangle -> [a] -> X [(a, Rectangle)] circleLayout :: Rectangle -> [a] -> [(a, Rectangle)]
circleLayout _ [] = return [] circleLayout _ [] = []
circleLayout r (w:ws) = return $ (w, center r) : (zip ws sats) circleLayout r (w:ws) = master : rest
where sats = map (satellite r) $ take (length ws) [0, pi * 2 / fromIntegral (length ws) ..] where master = (w, center r)
rest = zip ws $ map (satellite r) [0, pi * 2 / fromIntegral (length ws) ..]
center :: Rectangle -> Rectangle center :: Rectangle -> Rectangle
center (Rectangle sx sy sw sh) = Rectangle x y w h center (Rectangle sx sy sw sh) = Rectangle x y w h
where s = sqrt 2 where s = sqrt 2 :: Double
w = round ((fromIntegral sw / s) :: Double) w = round (fromIntegral sw / s)
h = round ((fromIntegral sh / s) :: Double) h = round (fromIntegral sh / s)
x = sx + fromIntegral (sw - w) `div` 2 x = sx + fromIntegral (sw - w) `div` 2
y = sy + fromIntegral (sh - h) `div` 2 y = sy + fromIntegral (sh - h) `div` 2