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| -rw-r--r-- | Circle.hs | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/Circle.hs b/Circle.hs new file mode 100644 index 0000000..cf0bcb8 --- /dev/null +++ b/Circle.hs @@ -0,0 +1,30 @@ +module XMonadContrib.Circle (circle) where -- actually it's an ellipse + +import Graphics.X11.Xlib +import XMonad + +circle :: Layout +circle = Layout { doLayout = circleLayout, + modifyLayout = const Nothing } + +circleLayout :: Rectangle -> [Window] -> X [(Window, Rectangle)] +circleLayout _ [] = return [] +circleLayout r (w:ws) = return $ (w, center r) : (zip ws sats) + where sats = map (satellite r) $ take (length ws) [0, pi * 2 / fromIntegral (length ws) ..] + +center :: Rectangle -> Rectangle +center (Rectangle sx sy sw sh) = Rectangle x y w h + where w = round ((fromIntegral sw / sqrt 2) :: Double) + h = round ((fromIntegral sh / sqrt 2) :: Double) + x = sx + fromIntegral (sw - w) `div` 2 + y = sy + fromIntegral (sh - h) `div` 2 + +satellite :: Rectangle -> Double -> Rectangle +satellite (Rectangle sx sy sw sh) a = Rectangle (sx + round (rx + rx * cos a)) + (sy + round (ry + ry * sin a)) + w h + where rx = fromIntegral (sw - w) / 2 + ry = fromIntegral (sh - h) / 2 + w = sw * 10 `div` 25 + h = sh * 10 `div` 25 + |