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<title>XMonad/Prompt/RunOrRaise.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.Prompt.RunOrRaise</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : (C) 2008 Justin Bogner</span>
<a name="line-5"></a><span class='hs-comment'>-- License : BSD3</span>
<a name="line-6"></a><span class='hs-comment'>--</span>
<a name="line-7"></a><span class='hs-comment'>-- Maintainer : mail@justinbogner.com</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 prompt for XMonad which will run a program, open a file,</span>
<a name="line-12"></a><span class='hs-comment'>-- or raise an already running program, depending on context.</span>
<a name="line-13"></a><span class='hs-comment'>--</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'>Prompt</span><span class='hs-varop'>.</span><span class='hs-conid'>RunOrRaise</span>
<a name="line-17"></a> <span class='hs-layout'>(</span> <span class='hs-comment'>-- * Usage</span>
<a name="line-18"></a> <span class='hs-comment'>-- $usage</span>
<a name="line-19"></a> <span class='hs-varid'>runOrRaisePrompt</span><span class='hs-layout'>,</span>
<a name="line-20"></a> <span class='hs-conid'>RunOrRaisePrompt</span><span class='hs-layout'>,</span>
<a name="line-21"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-22"></a>
<a name="line-23"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>config</span><span class='hs-layout'>)</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'>Prompt</span>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Prompt</span><span class='hs-varop'>.</span><span class='hs-conid'>Shell</span>
<a name="line-26"></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'>WindowGo</span> <span class='hs-layout'>(</span><span class='hs-varid'>runOrRaise</span><span class='hs-layout'>)</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'>Util</span><span class='hs-varop'>.</span><span class='hs-conid'>Run</span> <span class='hs-layout'>(</span><span class='hs-varid'>runProcessWithInput</span><span class='hs-layout'>)</span>
<a name="line-28"></a>
<a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>E</span>
<a name="line-30"></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-layout'>(</span><span class='hs-varid'>liftM</span><span class='hs-layout'>,</span> <span class='hs-varid'>liftM2</span><span class='hs-layout'>)</span>
<a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span> <span class='hs-layout'>(</span><span class='hs-varid'>doesDirectoryExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>doesFileExist</span><span class='hs-layout'>,</span> <span class='hs-varid'>executable</span><span class='hs-layout'>,</span> <span class='hs-varid'>getPermissions</span><span class='hs-layout'>)</span>
<a name="line-32"></a>
<a name="line-33"></a><a name="econst"></a><span class='hs-definition'>econst</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IOException</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-34"></a><span class='hs-definition'>econst</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>const</span> <span class='hs-varop'>.</span> <span class='hs-varid'>return</span>
<a name="line-35"></a>
<a name="line-36"></a><span class='hs-comment'>{- $usage
<a name="line-37"></a>1. In your @~\/.xmonad\/xmonad.hs@:
<a name="line-38"></a>
<a name="line-39"></a>> import XMonad.Prompt
<a name="line-40"></a>> import XMonad.Prompt.RunOrRaise
<a name="line-41"></a>
<a name="line-42"></a>2. In your keybindings add something like:
<a name="line-43"></a>
<a name="line-44"></a>> , ((modm .|. controlMask, xK_x), runOrRaisePrompt defaultXPConfig)
<a name="line-45"></a>
<a name="line-46"></a>For detailed instruction on editing the key binding see
<a name="line-47"></a>"XMonad.Doc.Extending#Editing_key_bindings". -}</span>
<a name="line-48"></a>
<a name="line-49"></a><a name="RunOrRaisePrompt"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>RunOrRaisePrompt</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>RRP</span>
<a name="line-50"></a><a name="instance%20XPrompt%20RunOrRaisePrompt"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>XPrompt</span> <span class='hs-conid'>RunOrRaisePrompt</span> <span class='hs-keyword'>where</span>
<a name="line-51"></a> <span class='hs-varid'>showXPrompt</span> <span class='hs-conid'>RRP</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"Run or Raise: "</span>
<a name="line-52"></a>
<a name="line-53"></a><a name="runOrRaisePrompt"></a><span class='hs-definition'>runOrRaisePrompt</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>XPConfig</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-54"></a><span class='hs-definition'>runOrRaisePrompt</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>cmds</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varid'>getCommands</span>
<a name="line-55"></a> <span class='hs-varid'>mkXPrompt</span> <span class='hs-conid'>RRP</span> <span class='hs-varid'>c</span> <span class='hs-layout'>(</span><span class='hs-varid'>getShellCompl</span> <span class='hs-varid'>cmds</span><span class='hs-layout'>)</span> <span class='hs-varid'>open</span>
<a name="line-56"></a><a name="open"></a><span class='hs-definition'>open</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-57"></a><span class='hs-definition'>open</span> <span class='hs-varid'>path</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>io</span> <span class='hs-layout'>(</span><span class='hs-varid'>isNormalFile</span> <span class='hs-varid'>path</span><span class='hs-layout'>)</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>b</span> <span class='hs-keyglyph'>-></span>
<a name="line-58"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>b</span>
<a name="line-59"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>spawn</span> <span class='hs-varop'>$</span> <span class='hs-str'>"xdg-open \""</span> <span class='hs-varop'>++</span> <span class='hs-varid'>path</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\""</span>
<a name="line-60"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>uncurry</span> <span class='hs-varid'>runOrRaise</span> <span class='hs-varop'>.</span> <span class='hs-varid'>getTarget</span> <span class='hs-varop'>$</span> <span class='hs-varid'>path</span>
<a name="line-61"></a> <span class='hs-keyword'>where</span>
<a name="line-62"></a> <span class='hs-varid'>isNormalFile</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>exists</span> <span class='hs-varid'>f</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>e</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>notExecutable</span> <span class='hs-varid'>f</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-conid'>False</span>
<a name="line-63"></a> <span class='hs-varid'>exists</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-varid'>or</span> <span class='hs-varop'>$</span> <span class='hs-varid'>sequence</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>doesFileExist</span> <span class='hs-varid'>f</span><span class='hs-layout'>,</span><span class='hs-varid'>doesDirectoryExist</span> <span class='hs-varid'>f</span><span class='hs-keyglyph'>]</span>
<a name="line-64"></a> <span class='hs-varid'>notExecutable</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>.</span> <span class='hs-varid'>executable</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>getPermissions</span>
<a name="line-65"></a> <span class='hs-varid'>getTarget</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>isApp</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-66"></a>
<a name="line-67"></a><a name="isApp"></a><span class='hs-definition'>isApp</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Query</span> <span class='hs-conid'>Bool</span>
<a name="line-68"></a><span class='hs-definition'>isApp</span> <span class='hs-str'>"firefox"</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>className</span> <span class='hs-varop'>=?</span> <span class='hs-str'>"Firefox-bin"</span> <span class='hs-varop'><||></span> <span class='hs-varid'>className</span> <span class='hs-varop'>=?</span> <span class='hs-str'>"Firefox"</span>
<a name="line-69"></a><span class='hs-definition'>isApp</span> <span class='hs-str'>"thunderbird"</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>className</span> <span class='hs-varop'>=?</span> <span class='hs-str'>"Thunderbird-bin"</span> <span class='hs-varop'><||></span> <span class='hs-varid'>className</span> <span class='hs-varop'>=?</span> <span class='hs-str'>"Thunderbird"</span>
<a name="line-70"></a><span class='hs-definition'>isApp</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftM2</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span><span class='hs-layout'>)</span> <span class='hs-varid'>pid</span> <span class='hs-varop'>$</span> <span class='hs-varid'>pidof</span> <span class='hs-varid'>x</span>
<a name="line-71"></a>
<a name="line-72"></a><a name="pidof"></a><span class='hs-definition'>pidof</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Query</span> <span class='hs-conid'>Int</span>
<a name="line-73"></a><span class='hs-definition'>pidof</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>runProcessWithInput</span> <span class='hs-str'>"pidof"</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span> <span class='hs-conid'>[]</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>readIO</span><span class='hs-layout'>)</span> <span class='hs-varop'>`</span><span class='hs-conid'>E</span><span class='hs-varop'>.</span><span class='hs-varid'>catch</span><span class='hs-varop'>`</span> <span class='hs-varid'>econst</span> <span class='hs-num'>0</span>
<a name="line-74"></a>
<a name="line-75"></a><a name="pid"></a><span class='hs-definition'>pid</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Query</span> <span class='hs-conid'>Int</span>
<a name="line-76"></a><span class='hs-definition'>pid</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ask</span> <span class='hs-varop'>>>=</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>w</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>liftX</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'>getPID</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span>
<a name="line-77"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>getPID</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getAtom</span> <span class='hs-str'>"_NET_WM_PID"</span> <span class='hs-varop'>>>=</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span>
<a name="line-78"></a> <span class='hs-varid'>liftM</span> <span class='hs-varid'>getPID'</span> <span class='hs-layout'>(</span><span class='hs-varid'>getWindowProperty32</span> <span class='hs-varid'>d</span> <span class='hs-varid'>a</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span>
<a name="line-79"></a> <span class='hs-varid'>getPID'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>x</span>
<a name="line-80"></a> <span class='hs-varid'>getPID'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>-</span><span class='hs-num'>1</span>
<a name="line-81"></a> <span class='hs-varid'>getPID'</span> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-comment'>-</span><span class='hs-num'>1</span>
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