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103 lines
3.3 KiB
Haskell
103 lines
3.3 KiB
Haskell
{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, PatternGuards, TypeSynonymInstances #-}
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-----------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Layout.Tabbed
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-- Copyright : (c) 2007 David Roundy, Andrea Rossato
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-- License : BSD-style (see xmonad/LICENSE)
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--
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-- Maintainer : droundy@darcs.net, andrea.rossato@unibz.it
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-- Stability : unstable
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-- Portability : unportable
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--
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-- A tabbed layout for the Xmonad Window Manager
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--
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-----------------------------------------------------------------------------
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module XMonad.Layout.Tabbed
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( -- * Usage:
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-- $usage
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simpleTabbed, tabbed, addTabs
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, Theme (..)
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, defaultTheme
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, TabbedDecoration (..)
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, shrinkText, CustomShrink(CustomShrink)
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, Shrinker(..)
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) where
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import Data.Maybe
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import Data.List
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import XMonad
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import qualified XMonad.StackSet as S
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import XMonad.Layout.Decoration
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import XMonad.Layout.Simplest ( Simplest(Simplest) )
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-- $usage
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-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:
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--
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-- > import XMonad.Layout.Tabbed
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--
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-- Then edit your @layoutHook@ by adding the Tabbed layout:
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--
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-- > myLayouts = simpleTabbed ||| Full ||| etc..
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--
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-- or, if you want a specific theme for you tabbed layout:
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--
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-- > myLayouts = tabbed shrinkText defaultTheme ||| Full ||| etc..
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--
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-- and then:
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--
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-- > main = xmonad defaultConfig { layoutHook = myLayouts }
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--
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-- For more detailed instructions on editing the layoutHook see:
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--
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-- "XMonad.Doc.Extending#Editing_the_layout_hook"
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--
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-- You can also edit the default configuration options.
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--
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-- > myTabConfig = defaultTheme { inactiveBorderColor = "#FF0000"
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-- > , activeTextColor = "#00FF00"}
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--
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-- and
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--
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-- > mylayout = tabDeco shrinkText myTabConfig ||| Full ||| etc..
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-- | A tabbed layout with the default xmonad Theme. Here's a screen
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-- shot:
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--
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-- <http://code.haskell.org/~arossato/xmonadShots/simpleTabbed.png>
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--
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-- This is a minimal working configuration:
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--
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-- > import XMonad
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-- > import XMonad.Layout.DecorationMadness
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-- > main = xmonad defaultConfig { layoutHook = simpleTabbed }
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simpleTabbed :: ModifiedLayout (Decoration TabbedDecoration DefaultShrinker) Simplest Window
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simpleTabbed = decoration shrinkText defaultTheme Tabbed Simplest
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-- | A layout decorated with tabs and the possibility to set a custom
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-- shrinker and a custom theme.
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tabbed :: (Eq a, Shrinker s) => s -> Theme
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-> ModifiedLayout (Decoration TabbedDecoration s) Simplest a
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tabbed s c = decoration s c Tabbed Simplest
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addTabs :: (Eq a, LayoutClass l a, Shrinker s) => s -> Theme -> l a
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-> ModifiedLayout (Decoration TabbedDecoration s) l a
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addTabs s c l = decoration s c Tabbed l
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data TabbedDecoration a = Tabbed deriving (Read, Show)
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instance Eq a => DecorationStyle TabbedDecoration a where
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describeDeco _ = "Tabbed"
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decorateFirst _ = True
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pureDecoration _ _ ht _ s wrs (w,r@(Rectangle x y wh _)) =
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if length wrs' <= 1 then Nothing
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else Just $ Rectangle nx y nwh (fi ht)
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where wrs' = filter ((==r) . snd) wrs
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ws = map fst wrs'
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nwh = wh `div` max 1 (fi $ length wrs')
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nx = case elemIndex w $ filter (`elem` ws) (S.integrate s) of
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Just i -> x + (fi nwh * fi i)
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Nothing -> x
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