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<title>XMonad/Actions/PerWorkspaceKeys.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.Actions.PerWorkspaceKeys</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) Roman Cheplyaka, 2008</span>
<a name="line-5"></a><span class='hs-comment'>-- License : BSD3-style (see LICENSE)</span>
<a name="line-6"></a><span class='hs-comment'>--</span>
<a name="line-7"></a><span class='hs-comment'>-- Maintainer : Roman Cheplyaka <roma@ro-che.info></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'>-- Define key-bindings on per-workspace basis.</span>
<a name="line-12"></a><span class='hs-comment'>--</span>
<a name="line-13"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-14"></a>
<a name="line-15"></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'>PerWorkspaceKeys</span> <span class='hs-layout'>(</span>
<a name="line-16"></a> <span class='hs-comment'>-- * Usage</span>
<a name="line-17"></a> <span class='hs-comment'>-- $usage</span>
<a name="line-18"></a> <span class='hs-varid'>chooseAction</span><span class='hs-layout'>,</span>
<a name="line-19"></a> <span class='hs-varid'>bindOn</span>
<a name="line-20"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span>
<a name="line-23"></a><span class='hs-keyword'>import</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'>S</span>
<a name="line-24"></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'>find</span><span class='hs-layout'>)</span>
<a name="line-25"></a>
<a name="line-26"></a><span class='hs-comment'>-- $usage</span>
<a name="line-27"></a><span class='hs-comment'>--</span>
<a name="line-28"></a><span class='hs-comment'>-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:</span>
<a name="line-29"></a><span class='hs-comment'>--</span>
<a name="line-30"></a><span class='hs-comment'>-- > import XMonad.Actions.PerWorkspaceKeys</span>
<a name="line-31"></a><span class='hs-comment'>--</span>
<a name="line-32"></a><span class='hs-comment'>-- > ,((0, xK_F2), bindOn [("1", spawn "rxvt"), ("2", spawn "xeyes"), ("", spawn "xmessage hello")])</span>
<a name="line-33"></a><span class='hs-comment'>--</span>
<a name="line-34"></a><span class='hs-comment'>-- For detailed instructions on editing your key bindings, see</span>
<a name="line-35"></a><span class='hs-comment'>-- "XMonad.Doc.Extending#Editing_key_bindings".</span>
<a name="line-36"></a>
<a name="line-37"></a><a name="chooseAction"></a><span class='hs-comment'>-- | Uses supplied function to decide which action to run depending on current workspace name.</span>
<a name="line-38"></a><span class='hs-definition'>chooseAction</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'>X</span><span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span><span class='hs-conid'>()</span>
<a name="line-39"></a><span class='hs-definition'>chooseAction</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withWindowSet</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>currentTag</span><span class='hs-layout'>)</span>
<a name="line-40"></a>
<a name="line-41"></a><a name="bindOn"></a><span class='hs-comment'>-- | If current workspace is listed, run appropriate action (only the first match counts!)</span>
<a name="line-42"></a><span class='hs-comment'>-- If it isn't listed, then run default action (marked with empty string, \"\"), or do nothing if default isn't supplied.</span>
<a name="line-43"></a><span class='hs-definition'>bindOn</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>String</span><span class='hs-layout'>,</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-keyglyph'>-></span> <span class='hs-conid'>X</span><span class='hs-conid'>()</span>
<a name="line-44"></a><span class='hs-definition'>bindOn</span> <span class='hs-varid'>bindings</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>chooseAction</span> <span class='hs-varid'>chooser</span> <span class='hs-keyword'>where</span>
<a name="line-45"></a> <span class='hs-varid'>chooser</span> <span class='hs-varid'>ws</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>find</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>ws</span><span class='hs-varop'>==</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'>bindings</span> <span class='hs-keyword'>of</span>
<a name="line-46"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>action</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>action</span>
<a name="line-47"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>find</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-str'>""</span><span class='hs-varop'>==</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'>bindings</span> <span class='hs-keyword'>of</span>
<a name="line-48"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>action</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>action</span>
<a name="line-49"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-50"></a>
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