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55 lines
1.6 KiB
Haskell
55 lines
1.6 KiB
Haskell
{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses #-}
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-----------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Layout.Spacing
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-- Copyright : (c) Brent Yorgey
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-- License : BSD-style (see LICENSE)
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--
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-- Maintainer : <byorgey@gmail.com>
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-- Stability : unstable
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-- Portability : portable
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--
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-- Add a configurable amount of space around windows.
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-----------------------------------------------------------------------------
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module XMonad.Layout.Spacing (
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-- * Usage
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-- $usage
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spacing, Spacing,
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) where
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import Graphics.X11 (Rectangle(..))
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import Control.Arrow (second)
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import XMonad.Util.Font (fi)
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import XMonad.Layout.LayoutModifier
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-- $usage
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-- You can use this module by importing it into your @~\/.xmonad\/xmonad.hs@ file:
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--
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-- > import XMonad.Layout.Spacing
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--
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-- and modifying your layoutHook as follows (for example):
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--
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-- > layoutHook = spacing 2 $ Tall 1 (3/100) (1/2)
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-- > -- put a 2px space around every window
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--
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-- | Surround all windows by a certain number of pixels of blank space.
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spacing :: Int -> l a -> ModifiedLayout Spacing l a
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spacing p = ModifiedLayout (Spacing p)
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data Spacing a = Spacing Int deriving (Show, Read)
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instance LayoutModifier Spacing a where
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pureModifier (Spacing p) _ _ wrs = (map (second $ shrinkRect p) wrs, Nothing)
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modifierDescription (Spacing p) = "Spacing " ++ show p
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shrinkRect :: Int -> Rectangle -> Rectangle
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shrinkRect p (Rectangle x y w h) = Rectangle (x+fi p) (y+fi p) (w-2*fi p) (h-2*fi p)
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