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This is a convenience module in order to have less import noise. It
re-exports the following:
a) Commonly used modules in full (Data.Foldable, Data.Applicative, and
so on); though only those that play nicely with each other, so that
XMonad.Prelude can be imported unqualified without any problems.
This prevents things like `Prelude.(.)` and `Control.Category.(.)`
fighting with each other.
b) Helper functions that don't necessarily fit in any other module;
e.g., the often used abbreviation `fi = fromIntegral`.
64 lines
2.0 KiB
Haskell
64 lines
2.0 KiB
Haskell
{-# LANGUAGE TypeSynonymInstances, MultiParamTypeClasses #-}
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-----------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Layout.SimplestFloat
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-- Copyright : (c) 2008 Jussi Mäki
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-- License : BSD-style (see xmonad/LICENSE)
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--
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-- Maintainer : joamaki@gmail.com
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-- Stability : unstable
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-- Portability : unportable
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--
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-- A basic floating layout like SimpleFloat but without the decoration.
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-----------------------------------------------------------------------------
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module XMonad.Layout.SimplestFloat
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( -- * Usage:
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-- $usage
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simplestFloat
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, SimplestFloat
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) where
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import XMonad.Prelude (fi)
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import XMonad
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import qualified XMonad.StackSet as S
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import XMonad.Layout.WindowArranger
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import XMonad.Layout.LayoutModifier
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-- $usage
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-- You can use this module with the following in your
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-- @~\/.xmonad\/xmonad.hs@:
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--
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-- > import XMonad.Layout.SimplestFloat
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--
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-- Then edit your @layoutHook@ by adding the SimplestFloat layout:
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--
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-- > myLayout = simplestFloat ||| Full ||| etc..
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-- > main = xmonad def { layoutHook = myLayout }
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--
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-- For more detailed instructions on editing the layoutHook see:
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--
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-- "XMonad.Doc.Extending#Editing_the_layout_hook"
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-- | A simple floating layout where every window is placed according
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-- to the window's initial attributes.
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simplestFloat :: Eq a => (ModifiedLayout WindowArranger SimplestFloat) a
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simplestFloat = windowArrangeAll SF
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data SimplestFloat a = SF deriving (Show, Read)
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instance LayoutClass SimplestFloat Window where
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doLayout SF sc (S.Stack w l r) = fmap (flip (,) Nothing)
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$ mapM (getSize sc) (w : reverse l ++ r)
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description _ = "SimplestFloat"
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getSize :: Rectangle -> Window -> X (Window,Rectangle)
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getSize (Rectangle rx ry _ _) w = do
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d <- asks display
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bw <- asks (borderWidth . config)
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wa <- io $ getWindowAttributes d w
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let x = max rx $ fi $ wa_x wa
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y = max ry $ fi $ wa_y wa
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wh = (fi $ wa_width wa) + (bw * 2)
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ht = (fi $ wa_height wa) + (bw * 2)
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return (w, Rectangle x y wh ht)
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