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<title>XMonad/Hooks/XPropManage.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-2"></a><span class='hs-comment'>-- |</span>
<a name="line-3"></a><span class='hs-comment'>-- Module : XMonad.Hooks.XPropManage</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) Karsten Schoelzel <kuser@gmx.de></span>
<a name="line-5"></a><span class='hs-comment'>-- License : BSD</span>
<a name="line-6"></a><span class='hs-comment'>--</span>
<a name="line-7"></a><span class='hs-comment'>-- Maintainer : Karsten Schoelzel <kuser@gmx.de></span>
<a name="line-8"></a><span class='hs-comment'>-- Stability : unstable</span>
<a name="line-9"></a><span class='hs-comment'>-- Portability : unportable</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>-- A ManageHook matching on XProperties.</span>
<a name="line-12"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-13"></a>
<a name="line-14"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Hooks</span><span class='hs-varop'>.</span><span class='hs-conid'>XPropManage</span> <span class='hs-layout'>(</span>
<a name="line-15"></a> <span class='hs-comment'>-- * Usage</span>
<a name="line-16"></a> <span class='hs-comment'>-- $usage</span>
<a name="line-17"></a> <span class='hs-varid'>xPropManageHook</span><span class='hs-layout'>,</span> <span class='hs-conid'>XPropMatch</span><span class='hs-layout'>,</span> <span class='hs-varid'>pmX</span><span class='hs-layout'>,</span> <span class='hs-varid'>pmP</span>
<a name="line-18"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span> <span class='hs-layout'>(</span><span class='hs-varid'>chr</span><span class='hs-layout'>)</span>
<a name="line-21"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span><span class='hs-varid'>concat</span><span class='hs-layout'>)</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Monoid</span> <span class='hs-layout'>(</span><span class='hs-varid'>mconcat</span><span class='hs-layout'>,</span> <span class='hs-conid'>Endo</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-23"></a>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Trans</span> <span class='hs-layout'>(</span><span class='hs-varid'>lift</span><span class='hs-layout'>)</span>
<a name="line-25"></a>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>ManageHook</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'>--></span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-28"></a>
<a name="line-29"></a><span class='hs-comment'>-- $usage</span>
<a name="line-30"></a><span class='hs-comment'>-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:</span>
<a name="line-31"></a><span class='hs-comment'>--</span>
<a name="line-32"></a><span class='hs-comment'>-- > import XMonad.Hooks.XPropManage</span>
<a name="line-33"></a><span class='hs-comment'>-- > import qualified XMonad.StackSet as W</span>
<a name="line-34"></a><span class='hs-comment'>-- > import XMonad.Actions.TagWindows</span>
<a name="line-35"></a><span class='hs-comment'>-- > import Data.List</span>
<a name="line-36"></a><span class='hs-comment'>--</span>
<a name="line-37"></a><span class='hs-comment'>-- > manageHook = xPropManageHook xPropMatches</span>
<a name="line-38"></a><span class='hs-comment'>-- ></span>
<a name="line-39"></a><span class='hs-comment'>-- > xPropMatches :: [XPropMatch]</span>
<a name="line-40"></a><span class='hs-comment'>-- > xPropMatches = [ ([ (wM_CLASS, any ("gimp"==))], (\w -> float w >> return (W.shift "2")))</span>
<a name="line-41"></a><span class='hs-comment'>-- > , ([ (wM_COMMAND, any ("screen" ==)), (wM_CLASS, any ("xterm" ==))], pmX (addTag "screen"))</span>
<a name="line-42"></a><span class='hs-comment'>-- > , ([ (wM_NAME, any ("Iceweasel" `isInfixOf`))], pmP (W.shift "3"))</span>
<a name="line-43"></a><span class='hs-comment'>-- > ]</span>
<a name="line-44"></a><span class='hs-comment'>--</span>
<a name="line-45"></a><span class='hs-comment'>-- Properties known to work: wM_CLASS, wM_NAME, wM_COMMAND</span>
<a name="line-46"></a><span class='hs-comment'>--</span>
<a name="line-47"></a><span class='hs-comment'>-- A XPropMatch consists of a list of conditions and function telling what to do.</span>
<a name="line-48"></a><span class='hs-comment'>--</span>
<a name="line-49"></a><span class='hs-comment'>-- The list entries are pairs of an XProperty to match on (like wM_CLASS, wM_NAME)^1,</span>
<a name="line-50"></a><span class='hs-comment'>-- and an function which matches onto the value of the property (represented as a List</span>
<a name="line-51"></a><span class='hs-comment'>-- of Strings).</span>
<a name="line-52"></a><span class='hs-comment'>--</span>
<a name="line-53"></a><span class='hs-comment'>-- If a match succeeds the function is called immediately, can perform any action and then return</span>
<a name="line-54"></a><span class='hs-comment'>-- a function to apply in 'windows' (see Operations.hs). So if the action does only work on the</span>
<a name="line-55"></a><span class='hs-comment'>-- WindowSet use just 'pmP function'.</span>
<a name="line-56"></a><span class='hs-comment'>--</span>
<a name="line-57"></a><span class='hs-comment'>-- \*1 You can get the available properties of an application with the xprop utility. STRING properties</span>
<a name="line-58"></a><span class='hs-comment'>-- should work fine. Others might not work.</span>
<a name="line-59"></a><span class='hs-comment'>--</span>
<a name="line-60"></a>
<a name="line-61"></a><a name="XPropMatch"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>XPropMatch</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>Atom</span><span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</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'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-layout'>(</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-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-62"></a>
<a name="line-63"></a><a name="pmX"></a><span class='hs-definition'>pmX</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-layout'>(</span><span class='hs-conid'>WindowSet</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>WindowSet</span><span class='hs-layout'>)</span>
<a name="line-64"></a><span class='hs-definition'>pmX</span> <span class='hs-varid'>f</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>f</span> <span class='hs-varid'>w</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-varid'>id</span>
<a name="line-65"></a>
<a name="line-66"></a><a name="pmP"></a><span class='hs-definition'>pmP</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</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'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-layout'>(</span><span class='hs-conid'>WindowSet</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>WindowSet</span><span class='hs-layout'>)</span>
<a name="line-67"></a><span class='hs-definition'>pmP</span> <span class='hs-varid'>f</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varid'>f</span>
<a name="line-68"></a>
<a name="line-69"></a><a name="xPropManageHook"></a><span class='hs-definition'>xPropManageHook</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>XPropMatch</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ManageHook</span>
<a name="line-70"></a><span class='hs-definition'>xPropManageHook</span> <span class='hs-varid'>tms</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mconcat</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-varid'>propToHook</span> <span class='hs-varid'>tms</span>
<a name="line-71"></a> <span class='hs-keyword'>where</span>
<a name="line-72"></a> <span class='hs-varid'>propToHook</span> <span class='hs-layout'>(</span><span class='hs-varid'>ms</span><span class='hs-layout'>,</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>and</span> <span class='hs-layout'>(</span><span class='hs-varid'>mapM</span> <span class='hs-varid'>mkQuery</span> <span class='hs-varid'>ms</span><span class='hs-layout'>)</span> <span class='hs-varop'>--></span> <span class='hs-varid'>mkHook</span> <span class='hs-varid'>f</span>
<a name="line-73"></a> <span class='hs-varid'>mkQuery</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>tf</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>tf</span> <span class='hs-layout'>(</span><span class='hs-varid'>getQuery</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-74"></a> <span class='hs-varid'>mkHook</span> <span class='hs-varid'>func</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ask</span> <span class='hs-varop'>>>=</span> <span class='hs-conid'>Query</span> <span class='hs-varop'>.</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fmap</span> <span class='hs-conid'>Endo</span> <span class='hs-varop'>.</span> <span class='hs-varid'>func</span>
<a name="line-75"></a>
<a name="line-76"></a><a name="getProp"></a><span class='hs-definition'>getProp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Display</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Atom</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-conid'>String</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-77"></a><span class='hs-definition'>getProp</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-78"></a> <span class='hs-varid'>prop</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>catch</span> <span class='hs-layout'>(</span><span class='hs-varid'>getTextProperty</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-varid'>p</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>wcTextPropertyToTextList</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>[]</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-79"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>filt</span> <span class='hs-varid'>q</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>q</span> <span class='hs-varop'>==</span> <span class='hs-varid'>wM_COMMAND</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>concat</span> <span class='hs-varop'>.</span> <span class='hs-varid'>map</span> <span class='hs-varid'>splitAtNull</span>
<a name="line-80"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>id</span>
<a name="line-81"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>filt</span> <span class='hs-varid'>p</span> <span class='hs-varid'>prop</span><span class='hs-layout'>)</span>
<a name="line-82"></a>
<a name="line-83"></a><a name="getQuery"></a><span class='hs-definition'>getQuery</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Atom</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Query</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-84"></a><span class='hs-definition'>getQuery</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ask</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>w</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Query</span> <span class='hs-varop'>.</span> <span class='hs-varid'>lift</span> <span class='hs-varop'>$</span> <span class='hs-varid'>withDisplay</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>d</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>getProp</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-varid'>p</span>
<a name="line-85"></a>
<a name="line-86"></a><a name="splitAtNull"></a><span class='hs-definition'>splitAtNull</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-87"></a><span class='hs-definition'>splitAtNull</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-layout'>(</span><span class='hs-varid'>chr</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-88"></a> <span class='hs-str'>""</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>[]</span>
<a name="line-89"></a> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>w</span> <span class='hs-conop'>:</span> <span class='hs-varid'>splitAtNull</span> <span class='hs-varid'>s''</span>
<a name="line-90"></a> <span class='hs-keyword'>where</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span><span class='hs-layout'>,</span> <span class='hs-varid'>s''</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>break</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-layout'>(</span><span class='hs-varid'>chr</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>s'</span>
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