<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ --> <title>XMonad/Actions/FindEmptyWorkspace.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <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.FindEmptyWorkspace</span> <a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) Miikka Koskinen 2007</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 : arcatan@kapsi.fi</span> <a name="line-8"></a><span class='hs-comment'>-- Stability : stable</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'>-- Find an empty workspace.</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'>FindEmptyWorkspace</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'>viewEmptyWorkspace</span><span class='hs-layout'>,</span> <span class='hs-varid'>tagToEmptyWorkspace</span><span class='hs-layout'>,</span> <span class='hs-varid'>sendToEmptyWorkspace</span> <a name="line-19"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-20"></a> <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> <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'>Maybe</span> <span class='hs-layout'>(</span> <span class='hs-varid'>isNothing</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'>XMonad</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'>StackSet</span> <a name="line-26"></a> <a name="line-27"></a><span class='hs-comment'>-- $usage</span> <a name="line-28"></a><span class='hs-comment'>--</span> <a name="line-29"></a><span class='hs-comment'>-- To use, import this module into your @~\/.xmonad\/xmonad.hs@:</span> <a name="line-30"></a><span class='hs-comment'>--</span> <a name="line-31"></a><span class='hs-comment'>-- > import XMonad.Actions.FindEmptyWorkspace</span> <a name="line-32"></a><span class='hs-comment'>--</span> <a name="line-33"></a><span class='hs-comment'>-- and add the desired keybindings, for example:</span> <a name="line-34"></a><span class='hs-comment'>--</span> <a name="line-35"></a><span class='hs-comment'>-- > , ((modm, xK_m ), viewEmptyWorkspace)</span> <a name="line-36"></a><span class='hs-comment'>-- > , ((modm .|. shiftMask, xK_m ), tagToEmptyWorkspace)</span> <a name="line-37"></a><span class='hs-comment'>--</span> <a name="line-38"></a><span class='hs-comment'>-- Now you can jump to an empty workspace with @mod-m@. @Mod-shift-m@</span> <a name="line-39"></a><span class='hs-comment'>-- will tag the current window to an empty workspace and view it.</span> <a name="line-40"></a><span class='hs-comment'>--</span> <a name="line-41"></a><span class='hs-comment'>-- For detailed instructions on editing your key bindings, see</span> <a name="line-42"></a><span class='hs-comment'>-- "XMonad.Doc.Extending#Editing_key_bindings".</span> <a name="line-43"></a> <a name="line-44"></a><a name="findEmptyWorkspace"></a><span class='hs-comment'>-- | Find the first hidden empty workspace in a StackSet. Returns</span> <a name="line-45"></a><span class='hs-comment'>-- Nothing if all workspaces are in use. Function searches currently</span> <a name="line-46"></a><span class='hs-comment'>-- focused workspace, other visible workspaces (when in Xinerama) and</span> <a name="line-47"></a><span class='hs-comment'>-- hidden workspaces in this order.</span> <a name="line-48"></a><span class='hs-definition'>findEmptyWorkspace</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'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>Workspace</span> <span class='hs-varid'>i</span> <span class='hs-varid'>l</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <a name="line-49"></a><span class='hs-definition'>findEmptyWorkspace</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>find</span> <span class='hs-layout'>(</span><span class='hs-varid'>isNothing</span> <span class='hs-varop'>.</span> <span class='hs-varid'>stack</span><span class='hs-layout'>)</span> <span class='hs-varop'>.</span> <span class='hs-varid'>allWorkspaces</span> <a name="line-50"></a> <span class='hs-keyword'>where</span> <a name="line-51"></a> <span class='hs-varid'>allWorkspaces</span> <span class='hs-varid'>ss</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>workspace</span> <span class='hs-varop'>.</span> <span class='hs-varid'>current</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss</span> <span class='hs-conop'>:</span> <a name="line-52"></a> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>workspace</span> <span class='hs-varop'>.</span> <span class='hs-varid'>visible</span><span class='hs-layout'>)</span> <span class='hs-varid'>ss</span> <span class='hs-varop'>++</span> <span class='hs-varid'>hidden</span> <span class='hs-varid'>ss</span> <a name="line-53"></a> <a name="line-54"></a><a name="withEmptyWorkspace"></a><span class='hs-definition'>withEmptyWorkspace</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>WorkspaceId</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-55"></a><span class='hs-definition'>withEmptyWorkspace</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-56"></a> <span class='hs-varid'>ws</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>gets</span> <span class='hs-varid'>windowset</span> <a name="line-57"></a> <span class='hs-varid'>whenJust</span> <span class='hs-layout'>(</span><span class='hs-varid'>findEmptyWorkspace</span> <span class='hs-varid'>ws</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-varop'>.</span> <span class='hs-varid'>tag</span><span class='hs-layout'>)</span> <a name="line-58"></a> <a name="line-59"></a><a name="viewEmptyWorkspace"></a><span class='hs-comment'>-- | Find and view an empty workspace. Do nothing if all workspaces are</span> <a name="line-60"></a><span class='hs-comment'>-- in use.</span> <a name="line-61"></a><span class='hs-definition'>viewEmptyWorkspace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-62"></a><span class='hs-definition'>viewEmptyWorkspace</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withEmptyWorkspace</span> <span class='hs-layout'>(</span><span class='hs-varid'>windows</span> <span class='hs-varop'>.</span> <span class='hs-varid'>view</span><span class='hs-layout'>)</span> <a name="line-63"></a> <a name="line-64"></a><a name="tagToEmptyWorkspace"></a><span class='hs-comment'>-- | Tag current window to an empty workspace and view it. Do nothing if</span> <a name="line-65"></a><span class='hs-comment'>-- all workspaces are in use.</span> <a name="line-66"></a><span class='hs-definition'>tagToEmptyWorkspace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-67"></a><span class='hs-definition'>tagToEmptyWorkspace</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withEmptyWorkspace</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-varid'>windows</span> <span class='hs-varop'>$</span> <span class='hs-varid'>view</span> <span class='hs-varid'>w</span> <span class='hs-varop'>.</span> <span class='hs-varid'>shift</span> <span class='hs-varid'>w</span> <a name="line-68"></a> <a name="line-69"></a><a name="sendToEmptyWorkspace"></a><span class='hs-comment'>-- | Send current window to an empty workspace. Do nothing if</span> <a name="line-70"></a><span class='hs-comment'>-- all workspaces are in use.</span> <a name="line-71"></a><span class='hs-definition'>sendToEmptyWorkspace</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-72"></a><span class='hs-definition'>sendToEmptyWorkspace</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withEmptyWorkspace</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>w</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>windows</span> <span class='hs-varop'>$</span> <span class='hs-varid'>shift</span> <span class='hs-varid'>w</span> </pre></body> </html>
