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<title>XMonad/Layout/Renamed.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses #-}</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-4"></a><span class='hs-comment'>-- |</span>
<a name="line-5"></a><span class='hs-comment'>-- Module : XMonad.Layout.Groups</span>
<a name="line-6"></a><span class='hs-comment'>-- Copyright : Quentin Moser <moserq@gmail.com></span>
<a name="line-7"></a><span class='hs-comment'>-- License : BSD-style (see LICENSE)</span>
<a name="line-8"></a><span class='hs-comment'>--</span>
<a name="line-9"></a><span class='hs-comment'>-- Maintainer : orphaned</span>
<a name="line-10"></a><span class='hs-comment'>-- Stability : unstable</span>
<a name="line-11"></a><span class='hs-comment'>-- Portability : unportable</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-- Layout modifier that can modify the description of its underlying</span>
<a name="line-14"></a><span class='hs-comment'>-- layout on a (hopefully) flexible way.</span>
<a name="line-15"></a><span class='hs-comment'>--</span>
<a name="line-16"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
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<a name="line-18"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Layout</span><span class='hs-varop'>.</span><span class='hs-conid'>Renamed</span> <span class='hs-layout'>(</span> <span class='hs-comment'>-- * Usage</span>
<a name="line-19"></a> <span class='hs-comment'>-- $usage</span>
<a name="line-20"></a> <span class='hs-varid'>renamed</span>
<a name="line-21"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Rename</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
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<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Layout</span><span class='hs-varop'>.</span><span class='hs-conid'>LayoutModifier</span>
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<a name="line-26"></a><span class='hs-comment'>-- $usage</span>
<a name="line-27"></a><span class='hs-comment'>-- You can use this module by adding</span>
<a name="line-28"></a><span class='hs-comment'>--</span>
<a name="line-29"></a><span class='hs-comment'>-- > import XMonad.Layout.Renamed</span>
<a name="line-30"></a><span class='hs-comment'>--</span>
<a name="line-31"></a><span class='hs-comment'>-- to your @~\/.xmonad\/xmonad.hs@.</span>
<a name="line-32"></a><span class='hs-comment'>--</span>
<a name="line-33"></a><span class='hs-comment'>-- You can then use 'renamed' to modify the description of your</span>
<a name="line-34"></a><span class='hs-comment'>-- layouts. For example:</span>
<a name="line-35"></a><span class='hs-comment'>--</span>
<a name="line-36"></a><span class='hs-comment'>-- > myLayout = renamed [PrependWords "Awesome"] $ tiled ||| Mirror tiled ||| Full</span>
<a name="line-37"></a>
<a name="line-38"></a><a name="renamed"></a><span class='hs-comment'>-- | Apply a list of 'Rename' values to a layout, from left to right.</span>
<a name="line-39"></a><span class='hs-definition'>renamed</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Rename</span> <span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ModifiedLayout</span> <span class='hs-conid'>Rename</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span>
<a name="line-40"></a><span class='hs-definition'>renamed</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ModifiedLayout</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Chain</span>
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<a name="line-42"></a><a name="Rename"></a><span class='hs-comment'>-- | The available renaming operations</span>
<a name="line-43"></a><a name="Rename"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Rename</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CutLeft</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Remove a number of characters from the left</span>
<a name="line-44"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CutRight</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Remove a number of characters from the right</span>
<a name="line-45"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Append</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Add a string on the right</span>
<a name="line-46"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Prepend</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Add a string on the left</span>
<a name="line-47"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CutWordsLeft</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Remove a number of words from the left</span>
<a name="line-48"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>CutWordsRight</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Remove a number of words from the right</span>
<a name="line-49"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AppendWords</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Add a string to the right, prepending a space to it</span>
<a name="line-50"></a> <span class='hs-comment'>-- if necessary</span>
<a name="line-51"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PrependWords</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Add a string to the left, appending a space to it if</span>
<a name="line-52"></a> <span class='hs-comment'>-- necessary</span>
<a name="line-53"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Replace</span> <span class='hs-conid'>String</span> <span class='hs-comment'>-- ^ Repace with another wtring</span>
<a name="line-54"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Chain</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Rename</span> <span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ Apply a list of modifications in left-to-right order</span>
<a name="line-55"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>)</span>
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<a name="line-57"></a><a name="apply"></a><span class='hs-definition'>apply</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Rename</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-58"></a><span class='hs-definition'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>CutLeft</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>drop</span> <span class='hs-varid'>i</span> <span class='hs-varid'>s</span>
<a name="line-59"></a><span class='hs-definition'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>CutRight</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>take</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>s</span> <span class='hs-comment'>-</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span>
<a name="line-60"></a><span class='hs-definition'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>CutWordsLeft</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unwords</span> <span class='hs-varop'>$</span> <span class='hs-varid'>drop</span> <span class='hs-varid'>i</span> <span class='hs-varop'>$</span> <span class='hs-varid'>words</span> <span class='hs-varid'>s</span>
<a name="line-61"></a><span class='hs-definition'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>CutWordsRight</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>ws</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>words</span> <span class='hs-varid'>s</span>
<a name="line-62"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>unwords</span> <span class='hs-varop'>$</span> <span class='hs-varid'>take</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>ws</span> <span class='hs-comment'>-</span> <span class='hs-varid'>i</span><span class='hs-layout'>)</span> <span class='hs-varid'>ws</span>
<a name="line-63"></a><span class='hs-definition'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>Replace</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s</span>
<a name="line-64"></a><span class='hs-definition'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>Append</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s</span> <span class='hs-varop'>++</span> <span class='hs-varid'>s'</span>
<a name="line-65"></a><span class='hs-definition'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>Prepend</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s'</span> <span class='hs-varop'>++</span> <span class='hs-varid'>s</span>
<a name="line-66"></a><span class='hs-definition'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>AppendWords</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unwords</span> <span class='hs-varop'>$</span> <span class='hs-varid'>words</span> <span class='hs-varid'>s</span> <span class='hs-varop'>++</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>s'</span><span class='hs-keyglyph'>]</span>
<a name="line-67"></a><span class='hs-definition'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>PrependWords</span> <span class='hs-varid'>s'</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unwords</span> <span class='hs-varop'>$</span> <span class='hs-varid'>s'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>words</span> <span class='hs-varid'>s</span>
<a name="line-68"></a><span class='hs-definition'>apply</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chain</span> <span class='hs-varid'>rs</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varop'>$</span><span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-varid'>flip</span> <span class='hs-layout'>(</span><span class='hs-varop'>.</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>id</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>apply</span> <span class='hs-varid'>rs</span>
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<a name="line-70"></a><a name="instance%20LayoutModifier%20Rename%20a"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>LayoutModifier</span> <span class='hs-conid'>Rename</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>where</span>
<a name="line-71"></a> <span class='hs-varid'>modifyDescription</span> <span class='hs-varid'>r</span> <span class='hs-varid'>l</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>apply</span> <span class='hs-varid'>r</span> <span class='hs-layout'>(</span><span class='hs-varid'>description</span> <span class='hs-varid'>l</span><span class='hs-layout'>)</span>
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