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<title>XMonad/Actions/SwapWorkspaces.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.SwapWorkspaces</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) Devin Mullins <me@twifkak.com></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 : Devin Mullins <me@twifkak.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'>-- Lets you swap workspace tags, so you can keep related ones next to</span>
<a name="line-12"></a><span class='hs-comment'>-- each other, without having to move individual windows.</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'>Actions</span><span class='hs-varop'>.</span><span class='hs-conid'>SwapWorkspaces</span> <span class='hs-layout'>(</span>
<a name="line-17"></a> <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'>swapWithCurrent</span><span class='hs-layout'>,</span>
<a name="line-20"></a> <span class='hs-varid'>swapTo</span><span class='hs-layout'>,</span>
<a name="line-21"></a> <span class='hs-varid'>swapWorkspaces</span><span class='hs-layout'>,</span>
<a name="line-22"></a> <span class='hs-conid'>Direction1D</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-23"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-24"></a>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span> <span class='hs-layout'>(</span><span class='hs-varid'>windows</span><span class='hs-layout'>,</span> <span class='hs-conid'>X</span><span class='hs-conid'>()</span><span class='hs-layout'>)</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'>StackSet</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'>Actions</span><span class='hs-varop'>.</span><span class='hs-conid'>CycleWS</span>
<a name="line-28"></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>
<a name="line-29"></a>
<a name="line-30"></a>
<a name="line-31"></a><span class='hs-comment'>-- $usage</span>
<a name="line-32"></a><span class='hs-comment'>-- Add this import to your @~\/.xmonad\/xmonad.hs@:</span>
<a name="line-33"></a><span class='hs-comment'>--</span>
<a name="line-34"></a><span class='hs-comment'>-- > import XMonad.Actions.SwapWorkspaces</span>
<a name="line-35"></a><span class='hs-comment'>--</span>
<a name="line-36"></a><span class='hs-comment'>-- Then throw something like this in your keys definition:</span>
<a name="line-37"></a><span class='hs-comment'>--</span>
<a name="line-38"></a><span class='hs-comment'>-- > ++</span>
<a name="line-39"></a><span class='hs-comment'>-- > [((modm .|. controlMask, k), windows $ swapWithCurrent i)</span>
<a name="line-40"></a><span class='hs-comment'>-- > | (i, k) <- zip workspaces [xK_1 ..]]</span>
<a name="line-41"></a><span class='hs-comment'>--</span>
<a name="line-42"></a><span class='hs-comment'>-- After installing this update, if you're on workspace 1, hitting mod-ctrl-5</span>
<a name="line-43"></a><span class='hs-comment'>-- will swap workspaces 1 and 5.</span>
<a name="line-44"></a><span class='hs-comment'>--</span>
<a name="line-45"></a><span class='hs-comment'>-- For detailed instructions on editing your key bindings, see</span>
<a name="line-46"></a><span class='hs-comment'>-- "XMonad.Doc.Extending#Editing_key_bindings".</span>
<a name="line-47"></a>
<a name="line-48"></a><a name="swapWithCurrent"></a><span class='hs-comment'>-- | Swaps the currently focused workspace with the given workspace tag, via</span>
<a name="line-49"></a><span class='hs-comment'>-- @swapWorkspaces@.</span>
<a name="line-50"></a><span class='hs-definition'>swapWithCurrent</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StackSet</span> <span class='hs-varid'>i</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span> <span class='hs-varid'>s</span> <span class='hs-varid'>sd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StackSet</span> <span class='hs-varid'>i</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span> <span class='hs-varid'>s</span> <span class='hs-varid'>sd</span>
<a name="line-51"></a><span class='hs-definition'>swapWithCurrent</span> <span class='hs-varid'>t</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>swapWorkspaces</span> <span class='hs-varid'>t</span> <span class='hs-layout'>(</span><span class='hs-varid'>currentTag</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span>
<a name="line-52"></a>
<a name="line-53"></a><a name="swapTo"></a><span class='hs-comment'>-- | Say @swapTo Next@ or @swapTo Prev@ to move your current workspace.</span>
<a name="line-54"></a><span class='hs-comment'>-- This is an @X ()@ so can be hooked up to your keybindings directly.</span>
<a name="line-55"></a><span class='hs-definition'>swapTo</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Direction1D</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-56"></a><span class='hs-definition'>swapTo</span> <span class='hs-varid'>dir</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>findWorkspace</span> <span class='hs-varid'>getSortByIndex</span> <span class='hs-varid'>dir</span> <span class='hs-conid'>AnyWS</span> <span class='hs-num'>1</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>windows</span> <span class='hs-varop'>.</span> <span class='hs-varid'>swapWithCurrent</span>
<a name="line-57"></a>
<a name="line-58"></a><a name="swapWorkspaces"></a><span class='hs-comment'>-- | Takes two workspace tags and an existing XMonad.StackSet and returns a new</span>
<a name="line-59"></a><span class='hs-comment'>-- one with the two corresponding workspaces' tags swapped.</span>
<a name="line-60"></a><span class='hs-definition'>swapWorkspaces</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StackSet</span> <span class='hs-varid'>i</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span> <span class='hs-varid'>s</span> <span class='hs-varid'>sd</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StackSet</span> <span class='hs-varid'>i</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span> <span class='hs-varid'>s</span> <span class='hs-varid'>sd</span>
<a name="line-61"></a><span class='hs-definition'>swapWorkspaces</span> <span class='hs-varid'>t1</span> <span class='hs-varid'>t2</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapWorkspace</span> <span class='hs-varid'>swap</span>
<a name="line-62"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>swap</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>tag</span> <span class='hs-varid'>w</span> <span class='hs-varop'>==</span> <span class='hs-varid'>t1</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>w</span> <span class='hs-layout'>{</span> <span class='hs-varid'>tag</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t2</span> <span class='hs-layout'>}</span>
<a name="line-63"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>tag</span> <span class='hs-varid'>w</span> <span class='hs-varop'>==</span> <span class='hs-varid'>t2</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>w</span> <span class='hs-layout'>{</span> <span class='hs-varid'>tag</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>t1</span> <span class='hs-layout'>}</span>
<a name="line-64"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>w</span>
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