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Diffstat (limited to 'Circle.hs')
-rw-r--r-- | Circle.hs | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/Circle.hs b/Circle.hs deleted file mode 100644 index d0f343b..0000000 --- a/Circle.hs +++ /dev/null @@ -1,70 +0,0 @@ -{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, TypeSynonymInstances #-} - ------------------------------------------------------------------------------ --- | --- Module : XMonadContrib.Circle --- Copyright : (c) Peter De Wachter --- License : BSD-style (see LICENSE) --- --- Maintainer : Peter De Wachter <pdewacht@gmail.com> --- Stability : unstable --- Portability : unportable --- --- Circle is an elliptical, overlapping layout, by Peter De Wachter --- ------------------------------------------------------------------------------ - -module XMonadContrib.Circle ( - -- * Usage - -- $usage - Circle (..) - ) where -- actually it's an ellipse - -import Data.List -import Graphics.X11.Xlib -import XMonad -import XMonad.StackSet (integrate, peek) - --- $usage --- You can use this module with the following in your Config.hs file: --- --- > import XMonadContrib.Circle --- > layouts = [ Layout Circle ] - --- %import XMonadContrib.Circle - -data Circle a = Circle deriving ( Read, Show ) - -instance LayoutClass Circle Window where - doLayout Circle r s = do layout <- raiseFocus $ circleLayout r $ integrate s - return (layout, Nothing) - -circleLayout :: Rectangle -> [a] -> [(a, Rectangle)] -circleLayout _ [] = [] -circleLayout r (w:ws) = master : rest - where master = (w, center r) - rest = zip ws $ map (satellite r) [0, pi * 2 / fromIntegral (length ws) ..] - -raiseFocus :: [(Window, Rectangle)] -> X [(Window, Rectangle)] -raiseFocus xs = do focused <- withWindowSet (return . peek) - return $ case find ((== focused) . Just . fst) xs of - Just x -> x : delete x xs - Nothing -> xs - -center :: Rectangle -> Rectangle -center (Rectangle sx sy sw sh) = Rectangle x y w h - where s = sqrt 2 :: Double - w = round (fromIntegral sw / s) - h = round (fromIntegral sh / s) - 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 - |