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64 lines
2.1 KiB
Haskell
64 lines
2.1 KiB
Haskell
{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, PatternGuards #-}
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-----------------------------------------------------------------------------
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-- |
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-- Module : XMonad.Layout.ResizeScreen
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-- Copyright : (c) 2007 Andrea Rossato
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-- License : BSD-style (see xmonad/LICENSE)
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--
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-- Maintainer : 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 layout transformer to have a layout respect a given screen
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-- geometry
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-----------------------------------------------------------------------------
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module XMonad.Layout.ResizeScreen
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( -- * Usage:
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-- $usage
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resizeHorizontal
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, resizeVertical
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, withNewRectangle
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, ResizeScreen (..)
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) where
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import XMonad
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import XMonad.Util.XUtils (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
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-- @~\/.xmonad\/xmonad.hs@ file:
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--
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-- > import XMonad.Layout.ResizeScreen
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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 = resizeHorizontal 40 Full
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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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resizeHorizontal :: Int -> l a -> ModifiedLayout ResizeScreen l a
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resizeHorizontal i = ModifiedLayout (ResizeScreen H i)
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resizeVertical :: Int -> l a -> ModifiedLayout ResizeScreen l a
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resizeVertical i = ModifiedLayout (ResizeScreen V i)
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withNewRectangle :: Rectangle -> l a -> ModifiedLayout ResizeScreen l a
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withNewRectangle r = ModifiedLayout (WithNewScreen r)
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data ResizeScreen a = ResizeScreen ResizeMode Int
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| WithNewScreen Rectangle
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deriving (Read, Show)
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data ResizeMode = H | V deriving (Read, Show)
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instance LayoutModifier ResizeScreen a where
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modifyLayout m l re@(Rectangle x y w h) s
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| ResizeScreen H i <- m = resize (Rectangle (x + fi i) y (w - fi i) h)
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| ResizeScreen V i <- m = resize (Rectangle x (y + fi i) w (h - fi i))
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| WithNewScreen r <- m = resize r
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| otherwise = resize re
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where resize nr = doLayout l nr s
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