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<title>XMonad/Layout/WorkspaceDir.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE DeriveDataTypeable, FlexibleInstances, MultiParamTypeClasses, TypeSynonymInstances, PatternGuards #-}</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.WorkspaceDir</span>
<a name="line-6"></a><span class='hs-comment'>-- Copyright : (c) 2007 David Roundy <droundy@darcs.net></span>
<a name="line-7"></a><span class='hs-comment'>-- License : BSD3-style (see LICENSE)</span>
<a name="line-8"></a><span class='hs-comment'>--</span>
<a name="line-9"></a><span class='hs-comment'>-- Maintainer : none</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'>-- WorkspaceDir is an extension to set the current directory in a workspace.</span>
<a name="line-14"></a><span class='hs-comment'>--</span>
<a name="line-15"></a><span class='hs-comment'>-- Actually, it sets the current directory in a layout, since there's no way I</span>
<a name="line-16"></a><span class='hs-comment'>-- know of to attach a behavior to a workspace. This means that any terminals</span>
<a name="line-17"></a><span class='hs-comment'>-- (or other programs) pulled up in that workspace (with that layout) will</span>
<a name="line-18"></a><span class='hs-comment'>-- execute in that working directory. Sort of handy, I think.</span>
<a name="line-19"></a><span class='hs-comment'>--</span>
<a name="line-20"></a><span class='hs-comment'>-- Note this extension requires the 'directory' package to be installed.</span>
<a name="line-21"></a><span class='hs-comment'>--</span>
<a name="line-22"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-23"></a>
<a name="line-24"></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'>WorkspaceDir</span> <span class='hs-layout'>(</span>
<a name="line-25"></a> <span class='hs-comment'>-- * Usage</span>
<a name="line-26"></a> <span class='hs-comment'>-- $usage</span>
<a name="line-27"></a> <span class='hs-varid'>workspaceDir</span><span class='hs-layout'>,</span>
<a name="line-28"></a> <span class='hs-varid'>changeDir</span><span class='hs-layout'>,</span>
<a name="line-29"></a> <span class='hs-conid'>WorkspaceDir</span><span class='hs-layout'>,</span>
<a name="line-30"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-31"></a>
<a name="line-32"></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'>setCurrentDirectory</span><span class='hs-layout'>,</span> <span class='hs-varid'>getCurrentDirectory</span> <span class='hs-layout'>)</span>
<a name="line-33"></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'>when</span> <span class='hs-layout'>)</span>
<a name="line-34"></a>
<a name="line-35"></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'>focus</span> <span class='hs-layout'>)</span>
<a name="line-36"></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-layout'>(</span> <span class='hs-conid'>XPConfig</span> <span class='hs-layout'>)</span>
<a name="line-37"></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'>Directory</span> <span class='hs-layout'>(</span> <span class='hs-varid'>directoryPrompt</span> <span class='hs-layout'>)</span>
<a name="line-38"></a><span class='hs-keyword'>import</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'>LayoutModifier</span>
<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'>StackSet</span> <span class='hs-layout'>(</span> <span class='hs-varid'>tag</span><span class='hs-layout'>,</span> <span class='hs-varid'>currentTag</span> <span class='hs-layout'>)</span>
<a name="line-40"></a>
<a name="line-41"></a><span class='hs-comment'>-- $usage</span>
<a name="line-42"></a><span class='hs-comment'>-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:</span>
<a name="line-43"></a><span class='hs-comment'>--</span>
<a name="line-44"></a><span class='hs-comment'>-- > import XMonad.Layout.WorkspaceDir</span>
<a name="line-45"></a><span class='hs-comment'>--</span>
<a name="line-46"></a><span class='hs-comment'>-- Then edit your @layoutHook@ by adding the Workspace layout modifier</span>
<a name="line-47"></a><span class='hs-comment'>-- to some layout:</span>
<a name="line-48"></a><span class='hs-comment'>--</span>
<a name="line-49"></a><span class='hs-comment'>-- > myLayout = workspaceDir "~" (Tall 1 (3/100) (1/2)) ||| Full ||| etc..</span>
<a name="line-50"></a><span class='hs-comment'>-- > main = xmonad defaultConfig { layoutHook = myLayout }</span>
<a name="line-51"></a><span class='hs-comment'>--</span>
<a name="line-52"></a><span class='hs-comment'>-- For more detailed instructions on editing the layoutHook see:</span>
<a name="line-53"></a><span class='hs-comment'>--</span>
<a name="line-54"></a><span class='hs-comment'>-- "XMonad.Doc.Extending#Editing_the_layout_hook"</span>
<a name="line-55"></a><span class='hs-comment'>--</span>
<a name="line-56"></a><span class='hs-comment'>-- WorkspaceDir provides also a prompt. To use it you need to import</span>
<a name="line-57"></a><span class='hs-comment'>-- "XMonad.Prompt" and add something like this to your key bindings:</span>
<a name="line-58"></a><span class='hs-comment'>--</span>
<a name="line-59"></a><span class='hs-comment'>-- > , ((modm .|. shiftMask, xK_x ), changeDir defaultXPConfig)</span>
<a name="line-60"></a><span class='hs-comment'>--</span>
<a name="line-61"></a><span class='hs-comment'>-- For detailed instruction on editing the key binding see:</span>
<a name="line-62"></a><span class='hs-comment'>--</span>
<a name="line-63"></a><span class='hs-comment'>-- "XMonad.Doc.Extending#Editing_key_bindings".</span>
<a name="line-64"></a>
<a name="line-65"></a><a name="Chdir"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Chdir</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Chdir</span> <span class='hs-conid'>String</span> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Typeable</span> <span class='hs-layout'>)</span>
<a name="line-66"></a><a name="instance%20Message%20Chdir%20data%20WorkspaceDir%20a%20=%20WorkspaceDir%20String%20deriving%20(%20Read,%20Show%20)%20instance%20LayoutModifier%20WorkspaceDir%20Window"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Message</span> <span class='hs-conid'>Chdir</span>
<a name="line-67"></a>
<a name="line-68"></a><a name="WorkspaceDir"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>WorkspaceDir</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>WorkspaceDir</span> <span class='hs-conid'>String</span> <span class='hs-keyword'>deriving</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-69"></a>
<a name="line-70"></a><a name="instance%20LayoutModifier%20WorkspaceDir%20Window"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>LayoutModifier</span> <span class='hs-conid'>WorkspaceDir</span> <span class='hs-conid'>Window</span> <span class='hs-keyword'>where</span>
<a name="line-71"></a> <span class='hs-varid'>modifyLayout</span> <span class='hs-layout'>(</span><span class='hs-conid'>WorkspaceDir</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-varid'>w</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>tc</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-layout'>(</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-72"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>tc</span> <span class='hs-varop'>==</span> <span class='hs-varid'>tag</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>scd</span> <span class='hs-varid'>d</span>
<a name="line-73"></a> <span class='hs-varid'>runLayout</span> <span class='hs-varid'>w</span> <span class='hs-varid'>r</span>
<a name="line-74"></a> <span class='hs-varid'>handleMess</span> <span class='hs-layout'>(</span><span class='hs-conid'>WorkspaceDir</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span>
<a name="line-75"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Chdir</span> <span class='hs-varid'>wd</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fromMessage</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>wd'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>cleanDir</span> <span class='hs-varid'>wd</span>
<a name="line-76"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-conid'>WorkspaceDir</span> <span class='hs-varid'>wd'</span>
<a name="line-77"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-78"></a>
<a name="line-79"></a><a name="workspaceDir"></a><span class='hs-definition'>workspaceDir</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>LayoutClass</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span>
<a name="line-80"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ModifiedLayout</span> <span class='hs-conid'>WorkspaceDir</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span>
<a name="line-81"></a><span class='hs-definition'>workspaceDir</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ModifiedLayout</span> <span class='hs-layout'>(</span><span class='hs-conid'>WorkspaceDir</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-82"></a>
<a name="line-83"></a><a name="cleanDir"></a><span class='hs-definition'>cleanDir</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'>String</span>
<a name="line-84"></a><span class='hs-definition'>cleanDir</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>scd</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>></span> <span class='hs-varid'>io</span> <span class='hs-varid'>getCurrentDirectory</span>
<a name="line-85"></a>
<a name="line-86"></a><a name="scd"></a><span class='hs-definition'>scd</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-87"></a><span class='hs-definition'>scd</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>catchIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>setCurrentDirectory</span> <span class='hs-varid'>x</span>
<a name="line-88"></a>
<a name="line-89"></a><a name="changeDir"></a><span class='hs-definition'>changeDir</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-90"></a><span class='hs-definition'>changeDir</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>directoryPrompt</span> <span class='hs-varid'>c</span> <span class='hs-str'>"Set working directory: "</span> <span class='hs-layout'>(</span><span class='hs-varid'>sendMessage</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Chdir</span><span class='hs-layout'>)</span>
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