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<title>XMonad/Layout/Roledex.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, TypeSynonymInstances #-}</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.Roledex</span>
<a name="line-6"></a><span class='hs-comment'>-- Copyright : (c) tim.thelion@gmail.com</span>
<a name="line-7"></a><span class='hs-comment'>-- License : BSD</span>
<a name="line-8"></a><span class='hs-comment'>--</span>
<a name="line-9"></a><span class='hs-comment'>-- Maintainer : tim.thelion@gmail.com</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'>-- This is a completely pointless layout which acts like Microsoft's Flip 3D</span>
<a name="line-14"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-15"></a>
<a name="line-16"></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'>Roledex</span> <span class='hs-layout'>(</span>
<a name="line-17"></a> <span class='hs-comment'>-- * Usage</span>
<a name="line-18"></a> <span class='hs-comment'>-- $usage</span>
<a name="line-19"></a>
<a name="line-20"></a> <span class='hs-comment'>-- * Screenshots</span>
<a name="line-21"></a> <span class='hs-comment'>-- $screenshot</span>
<a name="line-22"></a> <span class='hs-conid'>Roledex</span><span class='hs-layout'>(</span><span class='hs-conid'>Roledex</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-23"></a>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>StackSet</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>W</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Ratio</span>
<a name="line-27"></a>
<a name="line-28"></a><span class='hs-comment'>-- $usage</span>
<a name="line-29"></a><span class='hs-comment'>-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:</span>
<a name="line-30"></a><span class='hs-comment'>--</span>
<a name="line-31"></a><span class='hs-comment'>-- > import XMonad.Layout.Roledex</span>
<a name="line-32"></a><span class='hs-comment'>--</span>
<a name="line-33"></a><span class='hs-comment'>-- Then edit your @layoutHook@ by adding the Roledex layout:</span>
<a name="line-34"></a><span class='hs-comment'>--</span>
<a name="line-35"></a><span class='hs-comment'>-- > myLayout = Roledex ||| etc..</span>
<a name="line-36"></a><span class='hs-comment'>-- > main = xmonad defaultConfig { layoutHook = myLayout }</span>
<a name="line-37"></a><span class='hs-comment'>--</span>
<a name="line-38"></a><span class='hs-comment'>-- For more detailed instructions on editing the layoutHook see:</span>
<a name="line-39"></a><span class='hs-comment'>--</span>
<a name="line-40"></a><span class='hs-comment'>-- "XMonad.Doc.Extending#Editing_the_layout_hook"</span>
<a name="line-41"></a>
<a name="line-42"></a><span class='hs-comment'>-- $screenshot</span>
<a name="line-43"></a><span class='hs-comment'>-- <<<a href="http://www.timthelion.com/rolodex.png">http://www.timthelion.com/rolodex.png</a>>></span>
<a name="line-44"></a>
<a name="line-45"></a><a name="Roledex"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Roledex</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Roledex</span> <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>
<a name="line-46"></a>
<a name="line-47"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>LayoutClass</span> <span class='hs-conid'>Roledex</span> <span class='hs-conid'>Window</span> <span class='hs-keyword'>where</span>
<a name="line-48"></a> <span class='hs-varid'>doLayout</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>roledexLayout</span>
<a name="line-49"></a>
<a name="line-50"></a><a name="roledexLayout"></a><span class='hs-definition'>roledexLayout</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Rectangle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-conid'>Stack</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Rectangle</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>,</span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Roledex</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-51"></a><span class='hs-definition'>roledexLayout</span> <span class='hs-varid'>sc</span> <span class='hs-varid'>ws</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>focus</span> <span class='hs-varid'>ws</span><span class='hs-layout'>,</span> <span class='hs-varid'>mainPane</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span> <span class='hs-varop'>++</span>
<a name="line-52"></a> <span class='hs-layout'>(</span><span class='hs-varid'>zip</span> <span class='hs-varid'>ups</span> <span class='hs-varid'>tops</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span>
<a name="line-53"></a> <span class='hs-layout'>(</span><span class='hs-varid'>reverse</span> <span class='hs-layout'>(</span><span class='hs-varid'>zip</span> <span class='hs-varid'>dns</span> <span class='hs-varid'>bottoms</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-54"></a> <span class='hs-layout'>,</span><span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span>
<a name="line-55"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>ups</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>up</span> <span class='hs-varid'>ws</span>
<a name="line-56"></a> <span class='hs-varid'>dns</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>down</span> <span class='hs-varid'>ws</span>
<a name="line-57"></a> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>length</span> <span class='hs-varid'>ups</span> <span class='hs-varop'>+</span> <span class='hs-varid'>length</span> <span class='hs-varid'>dns</span>
<a name="line-58"></a> <span class='hs-varid'>rect</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fst</span> <span class='hs-varop'>$</span> <span class='hs-varid'>splitHorizontallyBy</span> <span class='hs-layout'>(</span><span class='hs-num'>2</span><span class='hs-varop'>%</span><span class='hs-num'>3</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ratio</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fst</span> <span class='hs-layout'>(</span><span class='hs-varid'>splitVerticallyBy</span> <span class='hs-layout'>(</span><span class='hs-num'>2</span><span class='hs-varop'>%</span><span class='hs-num'>3</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ratio</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span> <span class='hs-varid'>sc</span><span class='hs-layout'>)</span>
<a name="line-59"></a> <span class='hs-varid'>gw</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>div'</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-comment'>-</span> <span class='hs-varid'>rw</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-60"></a> <span class='hs-keyword'>where</span>
<a name="line-61"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Rectangle</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>w</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sc</span>
<a name="line-62"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Rectangle</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>rw</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rect</span>
<a name="line-63"></a> <span class='hs-varid'>gh</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>div'</span> <span class='hs-layout'>(</span><span class='hs-varid'>h</span> <span class='hs-comment'>-</span> <span class='hs-varid'>rh</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-64"></a> <span class='hs-keyword'>where</span>
<a name="line-65"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Rectangle</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sc</span>
<a name="line-66"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Rectangle</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>rh</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rect</span>
<a name="line-67"></a> <span class='hs-varid'>mainPane</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mrect</span> <span class='hs-layout'>(</span><span class='hs-varid'>gw</span> <span class='hs-varop'>*</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>gh</span> <span class='hs-varop'>*</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span> <span class='hs-varid'>rect</span>
<a name="line-68"></a> <span class='hs-varid'>mrect</span> <span class='hs-varid'>mx</span> <span class='hs-varid'>my</span> <span class='hs-layout'>(</span><span class='hs-conid'>Rectangle</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Rectangle</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varop'>+</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>mx</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span> <span class='hs-varop'>+</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>my</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span>
<a name="line-69"></a> <span class='hs-varid'>tops</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-varid'>cd</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>dns</span><span class='hs-layout'>)</span>
<a name="line-70"></a> <span class='hs-varid'>bottoms</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-varid'>f</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>0</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>dns</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-71"></a> <span class='hs-varid'>f</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mrect</span> <span class='hs-layout'>(</span><span class='hs-varid'>gw</span> <span class='hs-varop'>*</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>gh</span> <span class='hs-varop'>*</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>n</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>rect</span>
<a name="line-72"></a> <span class='hs-varid'>cd</span> <span class='hs-varid'>n</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>n</span> <span class='hs-varop'>></span> <span class='hs-varid'>m</span>
<a name="line-73"></a> <span class='hs-keyword'>then</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-layout'>(</span><span class='hs-varid'>cd</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span><span class='hs-comment'>-</span><span class='hs-num'>1</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span>
<a name="line-74"></a> <span class='hs-keyword'>else</span> <span class='hs-conid'>[]</span>
<a name="line-75"></a>
<a name="line-76"></a><a name="div'"></a><span class='hs-definition'>div'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Integral</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-77"></a><span class='hs-definition'>div'</span> <span class='hs-keyword'>_</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>0</span>
<a name="line-78"></a><span class='hs-definition'>div'</span> <span class='hs-varid'>n</span> <span class='hs-varid'>o</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>div</span> <span class='hs-varid'>n</span> <span class='hs-varid'>o</span>
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