mirror of
https://github.com/xmonad/xmonad-contrib.git
synced 2025-05-19 03:20:21 -07:00
3268312b15
Windows are arranged in a circle around the master window. Rather nice to use with a mouse, if you got many windows open. Screenshot: http://caladan.rave.org/circle.png
31 lines
1.2 KiB
Haskell
31 lines
1.2 KiB
Haskell
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
|
|
|