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42 lines
1.2 KiB
Haskell
42 lines
1.2 KiB
Haskell
module XMonadContrib.Tabbed ( tabbed ) where
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-- This module defines a tabbed layout.
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-- You can use this module with the following in your config file:
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-- import XMonadContrib.Tabbed
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-- defaultLayouts :: [Layout]
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-- defaultLayouts = [ tabbed
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-- , ... ]
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import Control.Monad ( forM )
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import Graphics.X11.Xlib
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import XMonad
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import XMonadContrib.Decoration
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import Operations ( focus )
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tabbed :: Layout
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tabbed = Layout { doLayout = dolay, modifyLayout = const (return Nothing) }
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dolay :: Rectangle -> [Window] -> X [(Window, Rectangle)]
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dolay sc [w] = return [(w,sc)]
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dolay sc@(Rectangle x _ wid _) ws =
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do let ts = gentabs x wid (length ws)
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tws = zip ts ws
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forM tws $ \(t,w) -> newDecoration t 1 0xFF0000 0x00FFFF (trace "draw") (focus w)
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return [ (w,shrink sc) | w <- ws ]
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shrink :: Rectangle -> Rectangle
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shrink (Rectangle x y w h) = Rectangle x (y+tabsize) w (h-tabsize)
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gentabs :: Position -> Dimension -> Int -> [Rectangle]
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gentabs _ _ 0 = []
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gentabs x1 w num = Rectangle x1 0 (wid - 2) (tabsize - 2)
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: gentabs (x1 + fromIntegral wid) (w - wid) (num - 1)
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where wid = w `div` (fromIntegral num)
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tabsize :: Integral a => a
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tabsize = 30
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