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<title>XMonad/Actions/DynamicWorkspaceOrder.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE DeriveDataTypeable #-}</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.Actions.DynamicWorkspaceOrder</span>
<a name="line-6"></a><span class='hs-comment'>-- Copyright : (c) Brent Yorgey 2009</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 : <byorgey@gmail.com></span>
<a name="line-10"></a><span class='hs-comment'>-- Stability : experimental</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'>-- Remember a dynamically updateable ordering on workspaces, together</span>
<a name="line-14"></a><span class='hs-comment'>-- with tools for using this ordering with "XMonad.Actions.CycleWS"</span>
<a name="line-15"></a><span class='hs-comment'>-- and "XMonad.Hooks.DynamicLog".</span>
<a name="line-16"></a><span class='hs-comment'>--</span>
<a name="line-17"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-18"></a>
<a name="line-19"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Actions</span><span class='hs-varop'>.</span><span class='hs-conid'>DynamicWorkspaceOrder</span>
<a name="line-20"></a> <span class='hs-layout'>(</span> <span class='hs-comment'>-- * Usage</span>
<a name="line-21"></a> <span class='hs-comment'>-- $usage</span>
<a name="line-22"></a>
<a name="line-23"></a> <span class='hs-varid'>getWsCompareByOrder</span>
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>getSortByOrder</span>
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>swapWith</span>
<a name="line-26"></a>
<a name="line-27"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>moveTo</span>
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>moveToGreedy</span>
<a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>shiftTo</span>
<a name="line-30"></a>
<a name="line-31"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>withNthWorkspace</span>
<a name="line-32"></a>
<a name="line-33"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-34"></a>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span>
<a name="line-36"></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-37"></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'>Util</span><span class='hs-varop'>.</span><span class='hs-conid'>ExtensibleState</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>XS</span>
<a name="line-38"></a>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Util</span><span class='hs-varop'>.</span><span class='hs-conid'>WorkspaceCompare</span> <span class='hs-layout'>(</span><span class='hs-conid'>WorkspaceCompare</span><span class='hs-layout'>,</span> <span class='hs-conid'>WorkspaceSort</span><span class='hs-layout'>,</span> <span class='hs-varid'>mkWsSort</span><span class='hs-layout'>)</span>
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Actions</span><span class='hs-varop'>.</span><span class='hs-conid'>CycleWS</span> <span class='hs-layout'>(</span><span class='hs-varid'>findWorkspace</span><span class='hs-layout'>,</span> <span class='hs-conid'>WSType</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Direction1D</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>doTo</span><span class='hs-layout'>)</span>
<a name="line-41"></a>
<a name="line-42"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>M</span>
<a name="line-43"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Set</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>S</span>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromJust</span><span class='hs-layout'>,</span> <span class='hs-varid'>fromMaybe</span><span class='hs-layout'>)</span>
<a name="line-45"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Ord</span> <span class='hs-layout'>(</span><span class='hs-varid'>comparing</span><span class='hs-layout'>)</span>
<a name="line-46"></a>
<a name="line-47"></a><span class='hs-comment'>-- $usage</span>
<a name="line-48"></a><span class='hs-comment'>-- You can use this module by importing it into your ~\/.xmonad\/xmonad.hs file:</span>
<a name="line-49"></a><span class='hs-comment'>--</span>
<a name="line-50"></a><span class='hs-comment'>-- > import qualified XMonad.Actions.DynamicWorkspaceOrder as DO</span>
<a name="line-51"></a><span class='hs-comment'>--</span>
<a name="line-52"></a><span class='hs-comment'>-- Then add keybindings to swap the order of workspaces (these</span>
<a name="line-53"></a><span class='hs-comment'>-- examples use "XMonad.Util.EZConfig" emacs-style keybindings):</span>
<a name="line-54"></a><span class='hs-comment'>--</span>
<a name="line-55"></a><span class='hs-comment'>-- > , ("M-C-<R>", DO.swapWith Next NonEmptyWS)</span>
<a name="line-56"></a><span class='hs-comment'>-- > , ("M-C-<L>", DO.swapWith Prev NonEmptyWS)</span>
<a name="line-57"></a><span class='hs-comment'>--</span>
<a name="line-58"></a><span class='hs-comment'>-- See "XMonad.Actions.CycleWS" for information on the possible</span>
<a name="line-59"></a><span class='hs-comment'>-- arguments to 'swapWith'.</span>
<a name="line-60"></a><span class='hs-comment'>--</span>
<a name="line-61"></a><span class='hs-comment'>-- However, by itself this will do nothing; 'swapWith' does not change</span>
<a name="line-62"></a><span class='hs-comment'>-- the actual workspaces in any way. It simply keeps track of an</span>
<a name="line-63"></a><span class='hs-comment'>-- auxiliary ordering on workspaces. Anything which cares about the</span>
<a name="line-64"></a><span class='hs-comment'>-- order of workspaces must be updated to use the auxiliary ordering.</span>
<a name="line-65"></a><span class='hs-comment'>--</span>
<a name="line-66"></a><span class='hs-comment'>-- To change the order in which workspaces are displayed by</span>
<a name="line-67"></a><span class='hs-comment'>-- "XMonad.Hooks.DynamicLog", use 'getSortByOrder' in your</span>
<a name="line-68"></a><span class='hs-comment'>-- 'XMonad.Hooks.DynamicLog.ppSort' field, for example:</span>
<a name="line-69"></a><span class='hs-comment'>--</span>
<a name="line-70"></a><span class='hs-comment'>-- > ... dynamicLogWithPP $ byorgeyPP {</span>
<a name="line-71"></a><span class='hs-comment'>-- > ...</span>
<a name="line-72"></a><span class='hs-comment'>-- > , ppSort = DO.getSortByOrder</span>
<a name="line-73"></a><span class='hs-comment'>-- > ...</span>
<a name="line-74"></a><span class='hs-comment'>-- > }</span>
<a name="line-75"></a><span class='hs-comment'>--</span>
<a name="line-76"></a><span class='hs-comment'>-- To use workspace cycling commands like those from</span>
<a name="line-77"></a><span class='hs-comment'>-- "XMonad.Actions.CycleWS", use the versions of 'moveTo',</span>
<a name="line-78"></a><span class='hs-comment'>-- 'moveToGreedy', and 'shiftTo' exported by this module. For example:</span>
<a name="line-79"></a><span class='hs-comment'>--</span>
<a name="line-80"></a><span class='hs-comment'>-- > , ("M-S-<R>", DO.shiftTo Next HiddenNonEmptyWS)</span>
<a name="line-81"></a><span class='hs-comment'>-- > , ("M-S-<L>", DO.shiftTo Prev HiddenNonEmptyWS)</span>
<a name="line-82"></a><span class='hs-comment'>-- > , ("M-<R>", DO.moveTo Next HiddenNonEmptyWS)</span>
<a name="line-83"></a><span class='hs-comment'>-- > , ("M-<L>", DO.moveTo Prev HiddenNonEmptyWS)</span>
<a name="line-84"></a><span class='hs-comment'>--</span>
<a name="line-85"></a><span class='hs-comment'>-- For slight variations on these, use the source for examples and</span>
<a name="line-86"></a><span class='hs-comment'>-- tweak as desired.</span>
<a name="line-87"></a>
<a name="line-88"></a><a name="WSOrderStorage"></a><span class='hs-comment'>-- | Extensible state storage for the workspace order.</span>
<a name="line-89"></a><a name="WSOrderStorage"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>WSOrderStorage</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>WSO</span> <span class='hs-layout'>{</span> <span class='hs-varid'>unWSO</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-conid'>WorkspaceId</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span> <span class='hs-layout'>}</span>
<a name="line-90"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>)</span>
<a name="line-91"></a>
<a name="line-92"></a><a name="instance%20ExtensionClass%20WSOrderStorage"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>ExtensionClass</span> <span class='hs-conid'>WSOrderStorage</span> <span class='hs-keyword'>where</span>
<a name="line-93"></a> <span class='hs-varid'>initialValue</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>WSO</span> <span class='hs-conid'>Nothing</span>
<a name="line-94"></a> <span class='hs-varid'>extensionType</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>PersistentExtension</span>
<a name="line-95"></a>
<a name="line-96"></a><a name="withWSO"></a><span class='hs-comment'>-- | Lift a Map function to a function on WSOrderStorage.</span>
<a name="line-97"></a><span class='hs-definition'>withWSO</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-conid'>WorkspaceId</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-conid'>WorkspaceId</span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span>
<a name="line-98"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>WSOrderStorage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>WSOrderStorage</span><span class='hs-layout'>)</span>
<a name="line-99"></a><span class='hs-definition'>withWSO</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>WSO</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unWSO</span>
<a name="line-100"></a>
<a name="line-101"></a><a name="updateOrder"></a><span class='hs-comment'>-- | Update the ordering storage: initialize if it doesn't yet exist;</span>
<a name="line-102"></a><span class='hs-comment'>-- add newly created workspaces at the end as necessary.</span>
<a name="line-103"></a><span class='hs-definition'>updateOrder</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-104"></a><span class='hs-definition'>updateOrder</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-105"></a> <span class='hs-conid'>WSO</span> <span class='hs-varid'>mm</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>XS</span><span class='hs-varop'>.</span><span class='hs-varid'>get</span>
<a name="line-106"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mm</span> <span class='hs-keyword'>of</span>
<a name="line-107"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-108"></a> <span class='hs-comment'>-- initialize using ordering of workspaces from the user's config</span>
<a name="line-109"></a> <span class='hs-varid'>ws</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-layout'>(</span><span class='hs-varid'>workspaces</span> <span class='hs-varop'>.</span> <span class='hs-varid'>config</span><span class='hs-layout'>)</span>
<a name="line-110"></a> <span class='hs-conid'>XS</span><span class='hs-varop'>.</span><span class='hs-varid'>put</span> <span class='hs-varop'>.</span> <span class='hs-conid'>WSO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>.</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>fromList</span> <span class='hs-varop'>$</span> <span class='hs-varid'>zip</span> <span class='hs-varid'>ws</span> <span class='hs-keyglyph'>[</span><span class='hs-num'>0</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-111"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-112"></a> <span class='hs-comment'>-- check for new workspaces and add them at the end</span>
<a name="line-113"></a> <span class='hs-varid'>curWs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>fromList</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>tag</span> <span class='hs-varop'>.</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>workspaces</span> <span class='hs-varop'>.</span> <span class='hs-varid'>windowset</span><span class='hs-layout'>)</span>
<a name="line-114"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>mappedWs</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>keysSet</span> <span class='hs-varid'>m</span>
<a name="line-115"></a> <span class='hs-varid'>newWs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>curWs</span> <span class='hs-varop'>`</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>difference</span><span class='hs-varop'>`</span> <span class='hs-varid'>mappedWs</span>
<a name="line-116"></a> <span class='hs-varid'>nextIndex</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>1</span> <span class='hs-varop'>+</span> <span class='hs-varid'>maximum</span> <span class='hs-layout'>(</span><span class='hs-comment'>-</span><span class='hs-num'>1</span> <span class='hs-conop'>:</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>elems</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span>
<a name="line-117"></a> <span class='hs-varid'>newWsIxs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>zip</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>toAscList</span> <span class='hs-varid'>newWs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>nextIndex</span><span class='hs-keyglyph'>..</span><span class='hs-keyglyph'>]</span>
<a name="line-118"></a> <span class='hs-conid'>XS</span><span class='hs-varop'>.</span><span class='hs-varid'>modify</span> <span class='hs-varop'>.</span> <span class='hs-varid'>withWSO</span> <span class='hs-varop'>.</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>union</span> <span class='hs-varop'>.</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>fromList</span> <span class='hs-varop'>$</span> <span class='hs-varid'>newWsIxs</span>
<a name="line-119"></a>
<a name="line-120"></a><a name="getWsCompareByOrder"></a><span class='hs-comment'>-- | A comparison function which orders workspaces according to the</span>
<a name="line-121"></a><span class='hs-comment'>-- stored dynamic ordering.</span>
<a name="line-122"></a><span class='hs-definition'>getWsCompareByOrder</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>X</span> <span class='hs-conid'>WorkspaceCompare</span>
<a name="line-123"></a><span class='hs-definition'>getWsCompareByOrder</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-124"></a> <span class='hs-varid'>updateOrder</span>
<a name="line-125"></a> <span class='hs-comment'>-- after the call to updateOrder we are guaranteed that the dynamic</span>
<a name="line-126"></a> <span class='hs-comment'>-- workspace order is initialized and contains all existing</span>
<a name="line-127"></a> <span class='hs-comment'>-- workspaces.</span>
<a name="line-128"></a> <span class='hs-conid'>WSO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>XS</span><span class='hs-varop'>.</span><span class='hs-varid'>get</span>
<a name="line-129"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>comparing</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromMaybe</span> <span class='hs-num'>1000</span> <span class='hs-varop'>.</span> <span class='hs-varid'>flip</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span>
<a name="line-130"></a>
<a name="line-131"></a><a name="getSortByOrder"></a><span class='hs-comment'>-- | Sort workspaces according to the stored dynamic ordering.</span>
<a name="line-132"></a><span class='hs-definition'>getSortByOrder</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>X</span> <span class='hs-conid'>WorkspaceSort</span>
<a name="line-133"></a><span class='hs-definition'>getSortByOrder</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mkWsSort</span> <span class='hs-varid'>getWsCompareByOrder</span>
<a name="line-134"></a>
<a name="line-135"></a><a name="swapWith"></a><span class='hs-comment'>-- | Swap the current workspace with another workspace in the stored</span>
<a name="line-136"></a><span class='hs-comment'>-- dynamic order.</span>
<a name="line-137"></a><span class='hs-definition'>swapWith</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Direction1D</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>WSType</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-138"></a><span class='hs-definition'>swapWith</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>which</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>findWorkspace</span> <span class='hs-varid'>getSortByOrder</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>which</span> <span class='hs-num'>1</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>swapWithCurrent</span>
<a name="line-139"></a>
<a name="line-140"></a><a name="swapWithCurrent"></a><span class='hs-comment'>-- | Swap the given workspace with the current one.</span>
<a name="line-141"></a><span class='hs-definition'>swapWithCurrent</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>WorkspaceId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-142"></a><span class='hs-definition'>swapWithCurrent</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-143"></a> <span class='hs-varid'>cur</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-layout'>(</span><span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>currentTag</span> <span class='hs-varop'>.</span> <span class='hs-varid'>windowset</span><span class='hs-layout'>)</span>
<a name="line-144"></a> <span class='hs-varid'>swapOrder</span> <span class='hs-varid'>w</span> <span class='hs-varid'>cur</span>
<a name="line-145"></a>
<a name="line-146"></a><a name="swapOrder"></a><span class='hs-comment'>-- | Swap the two given workspaces in the dynamic order.</span>
<a name="line-147"></a><span class='hs-definition'>swapOrder</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>WorkspaceId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>WorkspaceId</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-148"></a><span class='hs-definition'>swapOrder</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>w2</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-149"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>print</span> <span class='hs-layout'>(</span><span class='hs-varid'>w1</span><span class='hs-layout'>,</span><span class='hs-varid'>w2</span><span class='hs-layout'>)</span>
<a name="line-150"></a> <span class='hs-conid'>WSO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>XS</span><span class='hs-varop'>.</span><span class='hs-varid'>get</span>
<a name="line-151"></a> <span class='hs-keyword'>let</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>i1</span><span class='hs-layout'>,</span><span class='hs-varid'>i2</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromJust</span> <span class='hs-varop'>.</span> <span class='hs-varid'>flip</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>lookup</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>w1</span><span class='hs-layout'>,</span><span class='hs-varid'>w2</span><span class='hs-keyglyph'>]</span>
<a name="line-152"></a> <span class='hs-conid'>XS</span><span class='hs-varop'>.</span><span class='hs-varid'>modify</span> <span class='hs-layout'>(</span><span class='hs-varid'>withWSO</span> <span class='hs-layout'>(</span><span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>insert</span> <span class='hs-varid'>w1</span> <span class='hs-varid'>i2</span> <span class='hs-varop'>.</span> <span class='hs-conid'>M</span><span class='hs-varop'>.</span><span class='hs-varid'>insert</span> <span class='hs-varid'>w2</span> <span class='hs-varid'>i1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-153"></a> <span class='hs-varid'>windows</span> <span class='hs-varid'>id</span> <span class='hs-comment'>-- force a status bar update</span>
<a name="line-154"></a>
<a name="line-155"></a><a name="moveTo"></a><span class='hs-comment'>-- | View the next workspace of the given type in the given direction,</span>
<a name="line-156"></a><span class='hs-comment'>-- where \"next\" is determined using the dynamic workspace order.</span>
<a name="line-157"></a><span class='hs-definition'>moveTo</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Direction1D</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>WSType</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-158"></a><span class='hs-definition'>moveTo</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>doTo</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>t</span> <span class='hs-varid'>getSortByOrder</span> <span class='hs-layout'>(</span><span class='hs-varid'>windows</span> <span class='hs-varop'>.</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>view</span><span class='hs-layout'>)</span>
<a name="line-159"></a>
<a name="line-160"></a><a name="moveToGreedy"></a><span class='hs-comment'>-- | Same as 'moveTo', but using 'greedyView' instead of 'view'.</span>
<a name="line-161"></a><span class='hs-definition'>moveToGreedy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Direction1D</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>WSType</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-162"></a><span class='hs-definition'>moveToGreedy</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>doTo</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>t</span> <span class='hs-varid'>getSortByOrder</span> <span class='hs-layout'>(</span><span class='hs-varid'>windows</span> <span class='hs-varop'>.</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>greedyView</span><span class='hs-layout'>)</span>
<a name="line-163"></a>
<a name="line-164"></a><a name="shiftTo"></a><span class='hs-comment'>-- | Shift the currently focused window to the next workspace of the</span>
<a name="line-165"></a><span class='hs-comment'>-- given type in the given direction, using the dynamic workspace order.</span>
<a name="line-166"></a><span class='hs-definition'>shiftTo</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Direction1D</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>WSType</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-167"></a><span class='hs-definition'>shiftTo</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>doTo</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>t</span> <span class='hs-varid'>getSortByOrder</span> <span class='hs-layout'>(</span><span class='hs-varid'>windows</span> <span class='hs-varop'>.</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>shift</span><span class='hs-layout'>)</span>
<a name="line-168"></a>
<a name="line-169"></a><a name="withNthWorkspace"></a><span class='hs-comment'>-- | Do something with the nth workspace in the dynamic order. The</span>
<a name="line-170"></a><span class='hs-comment'>-- callback is given the workspace's tag as well as the 'WindowSet'</span>
<a name="line-171"></a><span class='hs-comment'>-- of the workspace itself.</span>
<a name="line-172"></a><span class='hs-definition'>withNthWorkspace</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>WindowSet</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>WindowSet</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-173"></a><span class='hs-definition'>withNthWorkspace</span> <span class='hs-varid'>job</span> <span class='hs-varid'>wnum</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-174"></a> <span class='hs-varid'>sort</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSortByOrder</span>
<a name="line-175"></a> <span class='hs-varid'>ws</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>tag</span> <span class='hs-varop'>.</span> <span class='hs-varid'>sort</span> <span class='hs-varop'>.</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>workspaces</span> <span class='hs-varop'>.</span> <span class='hs-varid'>windowset</span><span class='hs-layout'>)</span>
<a name="line-176"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>drop</span> <span class='hs-varid'>wnum</span> <span class='hs-varid'>ws</span> <span class='hs-keyword'>of</span>
<a name="line-177"></a> <span class='hs-layout'>(</span><span class='hs-varid'>w</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>windows</span> <span class='hs-varop'>$</span> <span class='hs-varid'>job</span> <span class='hs-varid'>w</span>
<a name="line-178"></a> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
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