<?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/FloatSnap.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.Layout.FloatSnap</span> <a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) 2009 Anders Engstrom <ankaan@gmail.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 : Anders Engstrom <ankaan@gmail.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'>-- Move and resize floating windows using other windows and the edge of the</span> <a name="line-12"></a><span class='hs-comment'>-- screen as guidelines.</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'>FloatSnap</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'>-- $usage</span> <a name="line-18"></a> <span class='hs-conid'>Direction2D</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-19"></a> <span class='hs-varid'>snapMove</span><span class='hs-layout'>,</span> <a name="line-20"></a> <span class='hs-varid'>snapGrow</span><span class='hs-layout'>,</span> <a name="line-21"></a> <span class='hs-varid'>snapShrink</span><span class='hs-layout'>,</span> <a name="line-22"></a> <span class='hs-varid'>snapMagicMove</span><span class='hs-layout'>,</span> <a name="line-23"></a> <span class='hs-varid'>snapMagicResize</span><span class='hs-layout'>,</span> <a name="line-24"></a> <span class='hs-varid'>snapMagicMouseResize</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-25"></a> <a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span> <a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span><span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'><$></span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-28"></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'>sort</span><span class='hs-layout'>)</span> <a name="line-29"></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'>listToMaybe</span><span class='hs-layout'>,</span><span class='hs-varid'>fromJust</span><span class='hs-layout'>,</span><span class='hs-varid'>isNothing</span><span class='hs-layout'>)</span> <a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</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'>W</span> <a name="line-31"></a> <a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Hooks</span><span class='hs-varop'>.</span><span class='hs-conid'>ManageDocks</span> <span class='hs-layout'>(</span><span class='hs-varid'>calcGap</span><span class='hs-layout'>)</span> <a name="line-33"></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'>Types</span> <span class='hs-layout'>(</span><span class='hs-conid'>Direction2D</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</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-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Set</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>S</span> <a name="line-36"></a> <a name="line-37"></a><span class='hs-comment'>-- $usage</span> <a name="line-38"></a><span class='hs-comment'>-- You can use this module with the following in your @~\/.xmonad\/xmonad.hs@:</span> <a name="line-39"></a><span class='hs-comment'>--</span> <a name="line-40"></a><span class='hs-comment'>-- > import XMonad.Actions.FloatSnap</span> <a name="line-41"></a><span class='hs-comment'>--</span> <a name="line-42"></a><span class='hs-comment'>-- Then add appropriate key bindings, for example:</span> <a name="line-43"></a><span class='hs-comment'>--</span> <a name="line-44"></a><span class='hs-comment'>-- > , ((modm, xK_Left), withFocused $ snapMove L Nothing)</span> <a name="line-45"></a><span class='hs-comment'>-- > , ((modm, xK_Right), withFocused $ snapMove R Nothing)</span> <a name="line-46"></a><span class='hs-comment'>-- > , ((modm, xK_Up), withFocused $ snapMove U Nothing)</span> <a name="line-47"></a><span class='hs-comment'>-- > , ((modm, xK_Down), withFocused $ snapMove D Nothing)</span> <a name="line-48"></a><span class='hs-comment'>-- > , ((modm .|. shiftMask, xK_Left), withFocused $ snapShrink R Nothing)</span> <a name="line-49"></a><span class='hs-comment'>-- > , ((modm .|. shiftMask, xK_Right), withFocused $ snapGrow R Nothing)</span> <a name="line-50"></a><span class='hs-comment'>-- > , ((modm .|. shiftMask, xK_Up), withFocused $ snapShrink D Nothing)</span> <a name="line-51"></a><span class='hs-comment'>-- > , ((modm .|. shiftMask, xK_Down), withFocused $ snapGrow D Nothing)</span> <a name="line-52"></a><span class='hs-comment'>--</span> <a name="line-53"></a><span class='hs-comment'>-- For detailed instructions on editing your key bindings, see</span> <a name="line-54"></a><span class='hs-comment'>-- "XMonad.Doc.Extending#Editing_key_bindings".</span> <a name="line-55"></a><span class='hs-comment'>--</span> <a name="line-56"></a><span class='hs-comment'>-- And possibly add an appropriate mouse binding, for example:</span> <a name="line-57"></a><span class='hs-comment'>--</span> <a name="line-58"></a><span class='hs-comment'>-- > , ((modm, button1), (\w -> focus w >> mouseMoveWindow w >> snapMagicMove (Just 50) (Just 50) w))</span> <a name="line-59"></a><span class='hs-comment'>-- > , ((modm .|. shiftMask, button1), (\w -> focus w >> mouseMoveWindow w >> snapMagicResize [L,R,U,D] (Just 50) (Just 50) w))</span> <a name="line-60"></a><span class='hs-comment'>-- > , ((modm, button3), (\w -> focus w >> mouseResizeWindow w >> snapMagicResize [R,D] (Just 50) (Just 50) w))</span> <a name="line-61"></a><span class='hs-comment'>--</span> <a name="line-62"></a><span class='hs-comment'>-- For detailed instructions on editing your mouse bindings, see</span> <a name="line-63"></a><span class='hs-comment'>-- "XMonad.Doc.Extending#Editing_mouse_bindings".</span> <a name="line-64"></a><span class='hs-comment'>--</span> <a name="line-65"></a><span class='hs-comment'>-- Using these mouse bindings, it will not snap while moving, but allow you to click the window once after it has been moved or resized to snap it into place.</span> <a name="line-66"></a><span class='hs-comment'>-- Note that the order in which the commands are applied in the mouse bindings are important.</span> <a name="line-67"></a><span class='hs-comment'>--</span> <a name="line-68"></a><span class='hs-comment'>-- Interesting values for the distance to look for window in the orthogonal axis are Nothing (to snap against every window), Just 0 (to only snap</span> <a name="line-69"></a><span class='hs-comment'>-- against windows that we should collide with geometrically while moving) and Just 1 (to also snap against windows we brush against).</span> <a name="line-70"></a><span class='hs-comment'>--</span> <a name="line-71"></a><span class='hs-comment'>-- For 'snapMagicMove', 'snapMagicResize' and 'snapMagicMouseResize', try instead setting it to the same as the maximum snapping distance.</span> <a name="line-72"></a><span class='hs-comment'>--</span> <a name="line-73"></a><span class='hs-comment'>-- When a value is specified it can be geometrically conceived as adding a border with the specified width around the window and then checking which</span> <a name="line-74"></a><span class='hs-comment'>-- windows it should collide with.</span> <a name="line-75"></a> <a name="line-76"></a><a name="snapMagicMouseResize"></a><span class='hs-comment'>-- | Resize the window by each edge independently to snap against the closest part of other windows or the edge of the screen. Use the location of the</span> <a name="line-77"></a><span class='hs-comment'>-- mouse over the window to decide which edges to snap. In corners, the two adjoining edges will be snapped, along the middle of an edge only that edge</span> <a name="line-78"></a><span class='hs-comment'>-- will be snapped. In the center of the window all edges will snap. Intended to be used together with "XMonad.Actions.FlexibleResize" or</span> <a name="line-79"></a><span class='hs-comment'>-- "XMonad.Actions.FlexibleManipulate".</span> <a name="line-80"></a><span class='hs-definition'>snapMagicMouseResize</span> <a name="line-81"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Rational</span> <span class='hs-comment'>-- ^ How big the middle snap area of each axis should be.</span> <a name="line-82"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ The distance in the orthogonal axis to look for windows to snap against. Use Nothing to snap against every window.</span> <a name="line-83"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ The maximum distance to snap. Use Nothing to not impose any boundary.</span> <a name="line-84"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-comment'>-- ^ The window to move and resize.</span> <a name="line-85"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-86"></a><span class='hs-definition'>snapMagicMouseResize</span> <span class='hs-varid'>middle</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>snapdist</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>whenX</span> <span class='hs-layout'>(</span><span class='hs-varid'>isClient</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</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-keyword'>do</span> <a name="line-87"></a> <span class='hs-varid'>wa</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getWindowAttributes</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-88"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>px</span><span class='hs-layout'>,</span> <span class='hs-varid'>py</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>queryPointer</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-89"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>px</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wx</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span><span class='hs-varop'>/</span><span class='hs-layout'>(</span><span class='hs-varid'>ww</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-90"></a> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>py</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wy</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span><span class='hs-varop'>/</span><span class='hs-layout'>(</span><span class='hs-varid'>wh</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-91"></a> <span class='hs-varid'>ml</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>x</span> <span class='hs-varop'><=</span> <span class='hs-layout'>(</span><span class='hs-num'>0.5</span> <span class='hs-comment'>-</span> <span class='hs-varid'>middle</span><span class='hs-varop'>/</span><span class='hs-num'>2</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>L</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>[]</span> <a name="line-92"></a> <span class='hs-varid'>mr</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>x</span> <span class='hs-varop'>></span> <span class='hs-layout'>(</span><span class='hs-num'>0.5</span> <span class='hs-varop'>+</span> <span class='hs-varid'>middle</span><span class='hs-varop'>/</span><span class='hs-num'>2</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>R</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>[]</span> <a name="line-93"></a> <span class='hs-varid'>mu</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>y</span> <span class='hs-varop'><=</span> <span class='hs-layout'>(</span><span class='hs-num'>0.5</span> <span class='hs-comment'>-</span> <span class='hs-varid'>middle</span><span class='hs-varop'>/</span><span class='hs-num'>2</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>U</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>[]</span> <a name="line-94"></a> <span class='hs-varid'>md</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>y</span> <span class='hs-varop'>></span> <span class='hs-layout'>(</span><span class='hs-num'>0.5</span> <span class='hs-varop'>+</span> <span class='hs-varid'>middle</span><span class='hs-varop'>/</span><span class='hs-num'>2</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>D</span><span class='hs-keyglyph'>]</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>[]</span> <a name="line-95"></a> <span class='hs-varid'>mdir</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>ml</span><span class='hs-varop'>++</span><span class='hs-varid'>mr</span><span class='hs-varop'>++</span><span class='hs-varid'>mu</span><span class='hs-varop'>++</span><span class='hs-varid'>md</span> <a name="line-96"></a> <span class='hs-varid'>dir</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>mdir</span> <span class='hs-varop'>==</span> <span class='hs-conid'>[]</span> <a name="line-97"></a> <span class='hs-keyword'>then</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>L</span><span class='hs-layout'>,</span><span class='hs-conid'>R</span><span class='hs-layout'>,</span><span class='hs-conid'>U</span><span class='hs-layout'>,</span><span class='hs-conid'>D</span><span class='hs-keyglyph'>]</span> <a name="line-98"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>mdir</span> <a name="line-99"></a> <span class='hs-varid'>snapMagicResize</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>snapdist</span> <span class='hs-varid'>w</span> <a name="line-100"></a> <span class='hs-keyword'>where</span> <a name="line-101"></a> <span class='hs-varid'>wx</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_x</span> <a name="line-102"></a> <span class='hs-varid'>wy</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_y</span> <a name="line-103"></a> <span class='hs-varid'>ww</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_width</span> <a name="line-104"></a> <span class='hs-varid'>wh</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_height</span> <a name="line-105"></a> <a name="line-106"></a><a name="snapMagicResize"></a><span class='hs-comment'>-- | Resize the window by each edge independently to snap against the closest part of other windows or the edge of the screen.</span> <a name="line-107"></a><span class='hs-definition'>snapMagicResize</span> <a name="line-108"></a> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Direction2D</span><span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- ^ The edges to snap.</span> <a name="line-109"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ The distance in the orthogonal axis to look for windows to snap against. Use Nothing to snap against every window.</span> <a name="line-110"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ The maximum distance to snap. Use Nothing to not impose any boundary.</span> <a name="line-111"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-comment'>-- ^ The window to move and resize.</span> <a name="line-112"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-113"></a><span class='hs-definition'>snapMagicResize</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>snapdist</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>whenX</span> <span class='hs-layout'>(</span><span class='hs-varid'>isClient</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</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-keyword'>do</span> <a name="line-114"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>raiseWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-115"></a> <span class='hs-varid'>wa</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getWindowAttributes</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-116"></a> <a name="line-117"></a> <span class='hs-layout'>(</span><span class='hs-varid'>xbegin</span><span class='hs-layout'>,</span><span class='hs-varid'>xend</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>handleAxis</span> <span class='hs-conid'>True</span> <span class='hs-varid'>d</span> <span class='hs-varid'>wa</span> <a name="line-118"></a> <span class='hs-layout'>(</span><span class='hs-varid'>ybegin</span><span class='hs-layout'>,</span><span class='hs-varid'>yend</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>handleAxis</span> <span class='hs-conid'>False</span> <span class='hs-varid'>d</span> <span class='hs-varid'>wa</span> <a name="line-119"></a> <a name="line-120"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>xbegin'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>L</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>dir</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>xbegin</span> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varid'>wx</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-121"></a> <span class='hs-varid'>xend'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>R</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>dir</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>xend</span> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varid'>wx</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>ww</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-122"></a> <span class='hs-varid'>ybegin'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>U</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>dir</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>ybegin</span> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varid'>wy</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-123"></a> <span class='hs-varid'>yend'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>D</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>dir</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>yend</span> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varid'>wy</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-124"></a> <a name="line-125"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>moveWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>$</span> <span class='hs-varid'>xbegin'</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>$</span> <span class='hs-varid'>ybegin'</span><span class='hs-layout'>)</span> <a name="line-126"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>resizeWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>$</span> <span class='hs-varid'>xend'</span> <span class='hs-comment'>-</span> <span class='hs-varid'>xbegin'</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>$</span> <span class='hs-varid'>yend'</span> <span class='hs-comment'>-</span> <span class='hs-varid'>ybegin'</span><span class='hs-layout'>)</span> <a name="line-127"></a> <span class='hs-varid'>float</span> <span class='hs-varid'>w</span> <a name="line-128"></a> <span class='hs-keyword'>where</span> <a name="line-129"></a> <span class='hs-varid'>wx</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_x</span> <a name="line-130"></a> <span class='hs-varid'>wy</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_y</span> <a name="line-131"></a> <span class='hs-varid'>ww</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_width</span> <a name="line-132"></a> <span class='hs-varid'>wh</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_height</span> <a name="line-133"></a> <a name="line-134"></a> <span class='hs-varid'>handleAxis</span> <span class='hs-varid'>horiz</span> <span class='hs-varid'>d</span> <span class='hs-varid'>wa</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-135"></a> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>mbl</span><span class='hs-layout'>,</span><span class='hs-varid'>mbr</span><span class='hs-layout'>,</span><span class='hs-varid'>bs</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-layout'>(</span><span class='hs-varid'>mfl</span><span class='hs-layout'>,</span><span class='hs-varid'>mfr</span><span class='hs-layout'>,</span><span class='hs-varid'>fs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSnap</span> <span class='hs-varid'>horiz</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-136"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>begin</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>bs</span> <a name="line-137"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <a name="line-138"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>mbl</span><span class='hs-layout'>,</span><span class='hs-varid'>mbr</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span> <a name="line-139"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>bl</span><span class='hs-layout'>,</span><span class='hs-conid'>Just</span> <span class='hs-varid'>br</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>bl</span> <span class='hs-varop'><</span> <span class='hs-varid'>br</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>bl</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>br</span> <a name="line-140"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>bl</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-varid'>bl</span> <a name="line-141"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</span><span class='hs-layout'>,</span><span class='hs-conid'>Just</span> <span class='hs-varid'>br</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>br</span> <a name="line-142"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</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-varid'>wpos</span> <span class='hs-varid'>wa</span> <a name="line-143"></a> <span class='hs-varid'>end</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>fs</span> <a name="line-144"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span> <a name="line-145"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>mfl</span><span class='hs-varop'>==</span><span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>begin</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>mfl</span><span class='hs-layout'>,</span><span class='hs-varid'>mfr</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span> <a name="line-146"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>fl</span><span class='hs-layout'>,</span><span class='hs-conid'>Just</span> <span class='hs-varid'>fr</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fl</span> <span class='hs-varop'><</span> <span class='hs-varid'>fr</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>fl</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>fr</span> <a name="line-147"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>fl</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-varid'>fl</span> <a name="line-148"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</span><span class='hs-layout'>,</span><span class='hs-conid'>Just</span> <span class='hs-varid'>fr</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fr</span> <a name="line-149"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</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-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span> <a name="line-150"></a> <span class='hs-varid'>begin'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isNothing</span> <span class='hs-varid'>snapdist</span> <span class='hs-varop'>||</span> <span class='hs-varid'>abs</span> <span class='hs-layout'>(</span><span class='hs-varid'>begin</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <span class='hs-varop'><=</span> <span class='hs-varid'>fromJust</span> <span class='hs-varid'>snapdist</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>begin</span> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-151"></a> <span class='hs-varid'>end'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isNothing</span> <span class='hs-varid'>snapdist</span> <span class='hs-varop'>||</span> <span class='hs-varid'>abs</span> <span class='hs-layout'>(</span><span class='hs-varid'>end</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <span class='hs-varop'><=</span> <span class='hs-varid'>fromJust</span> <span class='hs-varid'>snapdist</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>end</span> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-152"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>begin'</span><span class='hs-layout'>,</span><span class='hs-varid'>end'</span><span class='hs-layout'>)</span> <a name="line-153"></a> <span class='hs-keyword'>where</span> <a name="line-154"></a> <span class='hs-layout'>(</span><span class='hs-varid'>wpos</span><span class='hs-layout'>,</span> <span class='hs-varid'>wdim</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>constructors</span> <span class='hs-varid'>horiz</span> <a name="line-155"></a> <a name="line-156"></a> <a name="line-157"></a><a name="snapMagicMove"></a><span class='hs-comment'>-- | Move a window by both axises in any direction to snap against the closest part of other windows or the edge of the screen.</span> <a name="line-158"></a><span class='hs-definition'>snapMagicMove</span> <a name="line-159"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ The distance in the orthogonal axis to look for windows to snap against. Use Nothing to snap against every window.</span> <a name="line-160"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ The maximum distance to snap. Use Nothing to not impose any boundary.</span> <a name="line-161"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-comment'>-- ^ The window to move.</span> <a name="line-162"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-163"></a><span class='hs-definition'>snapMagicMove</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>snapdist</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>whenX</span> <span class='hs-layout'>(</span><span class='hs-varid'>isClient</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</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-keyword'>do</span> <a name="line-164"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>raiseWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-165"></a> <span class='hs-varid'>wa</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getWindowAttributes</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-166"></a> <a name="line-167"></a> <span class='hs-varid'>nx</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>handleAxis</span> <span class='hs-conid'>True</span> <span class='hs-varid'>d</span> <span class='hs-varid'>wa</span> <a name="line-168"></a> <span class='hs-varid'>ny</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>handleAxis</span> <span class='hs-conid'>False</span> <span class='hs-varid'>d</span> <span class='hs-varid'>wa</span> <a name="line-169"></a> <a name="line-170"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>moveWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>nx</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>ny</span><span class='hs-layout'>)</span> <a name="line-171"></a> <span class='hs-varid'>float</span> <span class='hs-varid'>w</span> <a name="line-172"></a> <span class='hs-keyword'>where</span> <a name="line-173"></a> <span class='hs-varid'>handleAxis</span> <span class='hs-varid'>horiz</span> <span class='hs-varid'>d</span> <span class='hs-varid'>wa</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-174"></a> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>mbl</span><span class='hs-layout'>,</span><span class='hs-varid'>mbr</span><span class='hs-layout'>,</span><span class='hs-varid'>bs</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-layout'>(</span><span class='hs-varid'>mfl</span><span class='hs-layout'>,</span><span class='hs-varid'>mfr</span><span class='hs-layout'>,</span><span class='hs-varid'>fs</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSnap</span> <span class='hs-varid'>horiz</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-175"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>bs</span> <span class='hs-varop'>||</span> <span class='hs-varid'>fs</span> <a name="line-176"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <a name="line-177"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>let</span> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>mbl</span><span class='hs-layout'>,</span><span class='hs-varid'>mbr</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span> <a name="line-178"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>bl</span><span class='hs-layout'>,</span><span class='hs-conid'>Just</span> <span class='hs-varid'>br</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>bl</span> <span class='hs-varop'><</span> <span class='hs-varid'>br</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>bl</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>br</span> <a name="line-179"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>bl</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-varid'>bl</span> <a name="line-180"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</span><span class='hs-layout'>,</span><span class='hs-conid'>Just</span> <span class='hs-varid'>br</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>br</span> <a name="line-181"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</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-varid'>wpos</span> <span class='hs-varid'>wa</span> <a name="line-182"></a> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>mfl</span><span class='hs-layout'>,</span><span class='hs-varid'>mfr</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span> <a name="line-183"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>fl</span><span class='hs-layout'>,</span><span class='hs-conid'>Just</span> <span class='hs-varid'>fr</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fl</span> <span class='hs-varop'><</span> <span class='hs-varid'>fr</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>fl</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>fr</span> <a name="line-184"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>fl</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-varid'>fl</span> <a name="line-185"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</span><span class='hs-layout'>,</span><span class='hs-conid'>Just</span> <span class='hs-varid'>fr</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fr</span> <a name="line-186"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</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-varid'>wpos</span> <span class='hs-varid'>wa</span> <a name="line-187"></a> <span class='hs-varid'>newpos</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>abs</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <span class='hs-varop'><=</span> <span class='hs-varid'>abs</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>b</span> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varid'>f</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-188"></a> <span class='hs-keyword'>in</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isNothing</span> <span class='hs-varid'>snapdist</span> <span class='hs-varop'>||</span> <span class='hs-varid'>abs</span> <span class='hs-layout'>(</span><span class='hs-varid'>newpos</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <span class='hs-varop'><=</span> <span class='hs-varid'>fromJust</span> <span class='hs-varid'>snapdist</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>newpos</span> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-189"></a> <span class='hs-keyword'>where</span> <a name="line-190"></a> <span class='hs-layout'>(</span><span class='hs-varid'>wpos</span><span class='hs-layout'>,</span> <span class='hs-varid'>wdim</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>constructors</span> <span class='hs-varid'>horiz</span> <a name="line-191"></a> <a name="line-192"></a><a name="snapMove"></a><span class='hs-comment'>-- | Move a window in the specified direction until it snaps against another window or the edge of the screen.</span> <a name="line-193"></a><span class='hs-definition'>snapMove</span> <a name="line-194"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Direction2D</span> <span class='hs-comment'>-- ^ What direction to move the window in.</span> <a name="line-195"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ The distance in the orthogonal axis to look for windows to snap against. Use Nothing to snap against every window.</span> <a name="line-196"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-comment'>-- ^ The window to move.</span> <a name="line-197"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-198"></a><span class='hs-definition'>snapMove</span> <span class='hs-conid'>L</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>doSnapMove</span> <span class='hs-conid'>True</span> <span class='hs-conid'>True</span> <a name="line-199"></a><span class='hs-definition'>snapMove</span> <span class='hs-conid'>R</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>doSnapMove</span> <span class='hs-conid'>True</span> <span class='hs-conid'>False</span> <a name="line-200"></a><span class='hs-definition'>snapMove</span> <span class='hs-conid'>U</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>doSnapMove</span> <span class='hs-conid'>False</span> <span class='hs-conid'>True</span> <a name="line-201"></a><span class='hs-definition'>snapMove</span> <span class='hs-conid'>D</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>doSnapMove</span> <span class='hs-conid'>False</span> <span class='hs-conid'>False</span> <a name="line-202"></a> <a name="line-203"></a><a name="doSnapMove"></a><span class='hs-definition'>doSnapMove</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-204"></a><span class='hs-definition'>doSnapMove</span> <span class='hs-varid'>horiz</span> <span class='hs-varid'>rev</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>whenX</span> <span class='hs-layout'>(</span><span class='hs-varid'>isClient</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</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-keyword'>do</span> <a name="line-205"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>raiseWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-206"></a> <span class='hs-varid'>wa</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getWindowAttributes</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-207"></a> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>bl</span><span class='hs-layout'>,</span><span class='hs-varid'>br</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-layout'>(</span><span class='hs-varid'>fl</span><span class='hs-layout'>,</span><span class='hs-varid'>fr</span><span class='hs-layout'>,</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'>getSnap</span> <span class='hs-varid'>horiz</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-208"></a> <a name="line-209"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>mb</span><span class='hs-layout'>,</span><span class='hs-varid'>mf</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>rev</span> <span class='hs-keyword'>then</span> <span class='hs-layout'>(</span><span class='hs-varid'>bl</span><span class='hs-layout'>,</span><span class='hs-varid'>fl</span><span class='hs-layout'>)</span> <a name="line-210"></a> <span class='hs-keyword'>else</span> <span class='hs-layout'>(</span><span class='hs-varid'>br</span><span class='hs-layout'>,</span><span class='hs-varid'>fr</span><span class='hs-layout'>)</span> <a name="line-211"></a> <a name="line-212"></a> <span class='hs-varid'>newpos</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-varid'>mb</span><span class='hs-layout'>,</span><span class='hs-varid'>mf</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span> <a name="line-213"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>b</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-varid'>b</span> <a name="line-214"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Nothing</span><span class='hs-layout'>,</span><span class='hs-conid'>Just</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>f</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span> <a name="line-215"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>b</span><span class='hs-layout'>,</span><span class='hs-conid'>Just</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>rev</span> <span class='hs-varop'>/=</span> <span class='hs-layout'>(</span><span class='hs-varid'>b</span> <span class='hs-varop'><</span> <span class='hs-varid'>f</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-216"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>b</span> <a name="line-217"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>f</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span> <a name="line-218"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <a name="line-219"></a> <a name="line-220"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>horiz</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>moveWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-varid'>newpos</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>$</span> <span class='hs-varid'>wa_y</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-221"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>moveWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varop'>$</span> <span class='hs-varid'>wa_x</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <span class='hs-varid'>newpos</span> <a name="line-222"></a> <span class='hs-varid'>float</span> <span class='hs-varid'>w</span> <a name="line-223"></a> <a name="line-224"></a> <span class='hs-keyword'>where</span> <a name="line-225"></a> <span class='hs-layout'>(</span><span class='hs-varid'>wpos</span><span class='hs-layout'>,</span> <span class='hs-varid'>wdim</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>constructors</span> <span class='hs-varid'>horiz</span> <a name="line-226"></a> <a name="line-227"></a><a name="snapGrow"></a><span class='hs-comment'>-- | Grow the specified edge of a window until it snaps against another window or the edge of the screen.</span> <a name="line-228"></a><span class='hs-definition'>snapGrow</span> <a name="line-229"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Direction2D</span> <span class='hs-comment'>-- ^ What edge of the window to grow.</span> <a name="line-230"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ The distance in the orthogonal axis to look for windows to snap against. Use Nothing to snap against every window.</span> <a name="line-231"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-comment'>-- ^ The window to grow.</span> <a name="line-232"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-233"></a><span class='hs-definition'>snapGrow</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>snapResize</span> <span class='hs-conid'>True</span> <a name="line-234"></a> <a name="line-235"></a><a name="snapShrink"></a><span class='hs-comment'>-- | Shrink the specified edge of a window until it snaps against another window or the edge of the screen.</span> <a name="line-236"></a><span class='hs-definition'>snapShrink</span> <a name="line-237"></a> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Direction2D</span> <span class='hs-comment'>-- ^ What edge of the window to shrink.</span> <a name="line-238"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ The distance in the orthogonal axis to look for windows to snap against. Use Nothing to snap against every window.</span> <a name="line-239"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-comment'>-- ^ The window to shrink.</span> <a name="line-240"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-241"></a><span class='hs-definition'>snapShrink</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>snapResize</span> <span class='hs-conid'>False</span> <a name="line-242"></a> <a name="line-243"></a><a name="snapResize"></a><span class='hs-definition'>snapResize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Direction2D</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span> <a name="line-244"></a><span class='hs-definition'>snapResize</span> <span class='hs-varid'>grow</span> <span class='hs-varid'>dir</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>whenX</span> <span class='hs-layout'>(</span><span class='hs-varid'>isClient</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>withDisplay</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>d</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <a name="line-245"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>raiseWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-246"></a> <span class='hs-varid'>wa</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getWindowAttributes</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-247"></a> <span class='hs-varid'>mr</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>dir</span> <span class='hs-keyword'>of</span> <a name="line-248"></a> <span class='hs-conid'>L</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>mg</span><span class='hs-layout'>,</span><span class='hs-varid'>ms</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getSnap</span> <span class='hs-conid'>True</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-249"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>grow</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>mg</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>ms</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span> <a name="line-250"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>v</span><span class='hs-layout'>,</span> <span class='hs-varid'>wy</span> <span class='hs-varid'>wa</span><span class='hs-layout'>,</span> <span class='hs-varid'>ww</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wx</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>v</span><span class='hs-layout'>,</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-251"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span> <a name="line-252"></a> <span class='hs-conid'>R</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-layout'>(</span><span class='hs-varid'>ms</span><span class='hs-layout'>,</span><span class='hs-varid'>mg</span><span class='hs-layout'>,</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'>getSnap</span> <span class='hs-conid'>True</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-253"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>grow</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>mg</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>ms</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span> <a name="line-254"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>wx</span> <span class='hs-varid'>wa</span><span class='hs-layout'>,</span> <span class='hs-varid'>wy</span> <span class='hs-varid'>wa</span><span class='hs-layout'>,</span> <span class='hs-varid'>v</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wx</span> <span class='hs-varid'>wa</span><span class='hs-layout'>,</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-255"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span> <a name="line-256"></a> <span class='hs-conid'>U</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>mg</span><span class='hs-layout'>,</span><span class='hs-varid'>ms</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</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'>getSnap</span> <span class='hs-conid'>False</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-257"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>grow</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>mg</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>ms</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span> <a name="line-258"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>wx</span> <span class='hs-varid'>wa</span><span class='hs-layout'>,</span> <span class='hs-varid'>v</span><span class='hs-layout'>,</span> <span class='hs-varid'>ww</span> <span class='hs-varid'>wa</span><span class='hs-layout'>,</span> <span class='hs-varid'>wh</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wy</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <a name="line-259"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span> <a name="line-260"></a> <span class='hs-conid'>D</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-layout'>(</span><span class='hs-varid'>ms</span><span class='hs-layout'>,</span><span class='hs-varid'>mg</span><span class='hs-layout'>,</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'>getSnap</span> <span class='hs-conid'>False</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-261"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>case</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>grow</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>mg</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>ms</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span> <a name="line-262"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>wx</span> <span class='hs-varid'>wa</span><span class='hs-layout'>,</span> <span class='hs-varid'>wy</span> <span class='hs-varid'>wa</span><span class='hs-layout'>,</span> <span class='hs-varid'>ww</span> <span class='hs-varid'>wa</span><span class='hs-layout'>,</span> <span class='hs-varid'>v</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wy</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-263"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span> <a name="line-264"></a> <a name="line-265"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mr</span> <span class='hs-keyword'>of</span> <a name="line-266"></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-267"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>nx</span><span class='hs-layout'>,</span><span class='hs-varid'>ny</span><span class='hs-layout'>,</span><span class='hs-varid'>nw</span><span class='hs-layout'>,</span><span class='hs-varid'>nh</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>nw</span><span class='hs-varop'>></span><span class='hs-num'>0</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>nh</span><span class='hs-varop'>></span><span class='hs-num'>0</span> <span class='hs-keyword'>then</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>moveWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>nx</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>ny</span><span class='hs-layout'>)</span> <a name="line-268"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>resizeWindow</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>nw</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>nh</span><span class='hs-layout'>)</span> <a name="line-269"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span> <a name="line-270"></a> <span class='hs-varid'>float</span> <span class='hs-varid'>w</span> <a name="line-271"></a> <span class='hs-keyword'>where</span> <a name="line-272"></a> <span class='hs-varid'>wx</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_x</span> <a name="line-273"></a> <span class='hs-varid'>wy</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_y</span> <a name="line-274"></a> <span class='hs-varid'>ww</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_width</span> <a name="line-275"></a> <span class='hs-varid'>wh</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_height</span> <a name="line-276"></a> <a name="line-277"></a> <a name="line-278"></a><a name="getSnap"></a><span class='hs-definition'>getSnap</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Display</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Window</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span><span class='hs-conid'>Bool</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span><span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span><span class='hs-conid'>Bool</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <a name="line-279"></a><span class='hs-definition'>getSnap</span> <span class='hs-varid'>horiz</span> <span class='hs-varid'>collidedist</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <a name="line-280"></a> <span class='hs-varid'>wa</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getWindowAttributes</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <a name="line-281"></a> <span class='hs-varid'>screen</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>current</span> <span class='hs-varop'><$></span> <span class='hs-varid'>gets</span> <span class='hs-varid'>windowset</span> <a name="line-282"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>sr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>screenRect</span> <span class='hs-varop'>$</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>screenDetail</span> <span class='hs-varid'>screen</span> <a name="line-283"></a> <span class='hs-varid'>wl</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>integrate'</span> <span class='hs-varop'>.</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>stack</span> <span class='hs-varop'>$</span> <span class='hs-conid'>W</span><span class='hs-varop'>.</span><span class='hs-varid'>workspace</span> <span class='hs-varid'>screen</span> <a name="line-284"></a> <span class='hs-varid'>gr</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fmap</span> <span class='hs-layout'>(</span><span class='hs-varop'>$</span><span class='hs-varid'>sr</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>calcGap</span> <span class='hs-varop'>$</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>fromList</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>minBound</span> <span class='hs-keyglyph'>..</span> <span class='hs-varid'>maxBound</span><span class='hs-keyglyph'>]</span> <a name="line-285"></a> <span class='hs-varid'>wla</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-varid'>collides</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-layout'>(</span><span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>getWindowAttributes</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>filter</span> <span class='hs-layout'>(</span><span class='hs-varop'>/=</span><span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varid'>wl</span><span class='hs-layout'>)</span> <a name="line-286"></a> <a name="line-287"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span> <span class='hs-varid'>neighbours</span> <span class='hs-layout'>(</span><span class='hs-varid'>back</span> <span class='hs-varid'>wa</span> <span class='hs-varid'>sr</span> <span class='hs-varid'>gr</span> <span class='hs-varid'>wla</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-288"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>neighbours</span> <span class='hs-layout'>(</span><span class='hs-varid'>front</span> <span class='hs-varid'>wa</span> <span class='hs-varid'>sr</span> <span class='hs-varid'>gr</span> <span class='hs-varid'>wla</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>wpos</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span> <a name="line-289"></a> <span class='hs-layout'>)</span> <a name="line-290"></a> <a name="line-291"></a> <span class='hs-keyword'>where</span> <a name="line-292"></a> <span class='hs-varid'>wborder</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_border_width</span> <a name="line-293"></a> <a name="line-294"></a> <span class='hs-layout'>(</span><span class='hs-varid'>wpos</span><span class='hs-layout'>,</span> <span class='hs-varid'>wdim</span><span class='hs-layout'>,</span> <span class='hs-varid'>rpos</span><span class='hs-layout'>,</span> <span class='hs-varid'>rdim</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>constructors</span> <span class='hs-varid'>horiz</span> <a name="line-295"></a> <span class='hs-layout'>(</span><span class='hs-varid'>refwpos</span><span class='hs-layout'>,</span> <span class='hs-varid'>refwdim</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>constructors</span> <span class='hs-varop'>$</span> <span class='hs-varid'>not</span> <span class='hs-varid'>horiz</span> <a name="line-296"></a> <a name="line-297"></a> <span class='hs-varid'>back</span> <span class='hs-varid'>wa</span> <span class='hs-varid'>sr</span> <span class='hs-varid'>gr</span> <span class='hs-varid'>wla</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'><</span> <span class='hs-varid'>rpos</span> <span class='hs-varid'>sr</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <a name="line-298"></a> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'><</span> <span class='hs-varid'>rpos</span> <span class='hs-varid'>sr</span> <span class='hs-varop'>+</span> <span class='hs-varid'>rdim</span> <span class='hs-varid'>sr</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <a name="line-299"></a> <span class='hs-varid'>sort</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>rpos</span> <span class='hs-varid'>sr</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>rpos</span> <span class='hs-varid'>gr</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>rpos</span> <span class='hs-varid'>gr</span> <span class='hs-varop'>+</span> <span class='hs-varid'>rdim</span> <span class='hs-varid'>gr</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span> <a name="line-300"></a> <span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>a</span> <span class='hs-keyword'>as</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>wpos</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>wpos</span> <span class='hs-varid'>a</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>a</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wborder</span> <span class='hs-varid'>a</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wborder</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>wla</span> <a name="line-301"></a> <a name="line-302"></a> <span class='hs-varid'>front</span> <span class='hs-varid'>wa</span> <span class='hs-varid'>sr</span> <span class='hs-varid'>gr</span> <span class='hs-varid'>wla</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'><=</span> <span class='hs-varid'>rpos</span> <span class='hs-varid'>sr</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <a name="line-303"></a> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'><=</span> <span class='hs-varid'>rpos</span> <span class='hs-varid'>sr</span> <span class='hs-varop'>+</span> <span class='hs-varid'>rdim</span> <span class='hs-varid'>sr</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <a name="line-304"></a> <span class='hs-varid'>sort</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>rpos</span> <span class='hs-varid'>gr</span> <span class='hs-comment'>-</span> <span class='hs-num'>2</span><span class='hs-varop'>*</span><span class='hs-varid'>wborder</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>rpos</span> <span class='hs-varid'>gr</span> <span class='hs-varop'>+</span> <span class='hs-varid'>rdim</span> <span class='hs-varid'>gr</span> <span class='hs-comment'>-</span> <span class='hs-num'>2</span><span class='hs-varop'>*</span><span class='hs-varid'>wborder</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>rpos</span> <span class='hs-varid'>sr</span> <span class='hs-varop'>+</span> <span class='hs-varid'>rdim</span> <span class='hs-varid'>sr</span> <span class='hs-comment'>-</span> <span class='hs-num'>2</span><span class='hs-varop'>*</span><span class='hs-varid'>wborder</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span> <a name="line-305"></a> <span class='hs-varid'>foldr</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>a</span> <span class='hs-keyword'>as</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-varid'>wpos</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wborder</span> <span class='hs-varid'>a</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wborder</span> <span class='hs-varid'>wa</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-layout'>(</span><span class='hs-varid'>wpos</span> <span class='hs-varid'>a</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wdim</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-conop'>:</span><span class='hs-keyword'>as</span><span class='hs-layout'>)</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>wla</span> <a name="line-306"></a> <a name="line-307"></a> <span class='hs-varid'>neighbours</span> <span class='hs-varid'>l</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span> <span class='hs-varid'>listToMaybe</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>$</span> <span class='hs-varid'>takeWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'><</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-varid'>l</span> <a name="line-308"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>listToMaybe</span> <span class='hs-varop'>$</span> <span class='hs-varid'>dropWhile</span> <span class='hs-layout'>(</span><span class='hs-varop'><=</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-varid'>l</span> <a name="line-309"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>v</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>l</span> <a name="line-310"></a> <span class='hs-layout'>)</span> <a name="line-311"></a> <a name="line-312"></a> <span class='hs-varid'>collides</span> <span class='hs-varid'>wa</span> <span class='hs-varid'>oa</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>collidedist</span> <span class='hs-keyword'>of</span> <a name="line-313"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>True</span> <a name="line-314"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>dist</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span> <span class='hs-varid'>refwpos</span> <span class='hs-varid'>oa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wborder</span> <span class='hs-varid'>oa</span> <span class='hs-varop'><</span> <span class='hs-varid'>refwpos</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>refwdim</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wborder</span> <span class='hs-varid'>wa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>dist</span> <a name="line-315"></a> <span class='hs-varop'>&&</span> <span class='hs-varid'>refwpos</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>wborder</span> <span class='hs-varid'>wa</span> <span class='hs-comment'>-</span> <span class='hs-varid'>dist</span> <span class='hs-varop'><</span> <span class='hs-varid'>refwpos</span> <span class='hs-varid'>oa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>refwdim</span> <span class='hs-varid'>oa</span> <span class='hs-varop'>+</span> <span class='hs-varid'>wborder</span> <span class='hs-varid'>oa</span> <span class='hs-layout'>)</span> <a name="line-316"></a> <a name="line-317"></a> <a name="line-318"></a><a name="constructors"></a><span class='hs-definition'>constructors</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>WindowAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-conid'>WindowAttributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-conid'>Rectangle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span><span class='hs-layout'>,</span> <span class='hs-conid'>Rectangle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span><span class='hs-layout'>)</span> <a name="line-319"></a><span class='hs-definition'>constructors</span> <span class='hs-conid'>True</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_x</span> <a name="line-320"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_width</span> <a name="line-321"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>rect_x</span> <a name="line-322"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>rect_width</span> <a name="line-323"></a> <span class='hs-layout'>)</span> <a name="line-324"></a><span class='hs-definition'>constructors</span> <span class='hs-conid'>False</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_y</span> <a name="line-325"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>wa_height</span> <a name="line-326"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>rect_y</span> <a name="line-327"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fromIntegral</span><span class='hs-varop'>.</span><span class='hs-varid'>rect_height</span> <a name="line-328"></a> <span class='hs-layout'>)</span> </pre></body> </html>
