<?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/Util/Font.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP #-}</span>
<a name="line-2"></a><span class='hs-comment'>----------------------------------------------------------------------------</span>
<a name="line-3"></a><span class='hs-comment'>-- |</span>
<a name="line-4"></a><span class='hs-comment'>-- Module : XMonad.Util.Font</span>
<a name="line-5"></a><span class='hs-comment'>-- Copyright : (c) 2007 Andrea Rossato and Spencer Janssen</span>
<a name="line-6"></a><span class='hs-comment'>-- License : BSD-style (see xmonad/LICENSE)</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- Maintainer : andrea.rossato@unibz.it</span>
<a name="line-9"></a><span class='hs-comment'>-- Stability : unstable</span>
<a name="line-10"></a><span class='hs-comment'>-- Portability : unportable</span>
<a name="line-11"></a><span class='hs-comment'>--</span>
<a name="line-12"></a><span class='hs-comment'>-- A module for abstracting a font facility over Core fonts and Xft</span>
<a name="line-13"></a><span class='hs-comment'>--</span>
<a name="line-14"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>XMonad</span><span class='hs-varop'>.</span><span class='hs-conid'>Util</span><span class='hs-varop'>.</span><span class='hs-conid'>Font</span>
<a name="line-17"></a> <span class='hs-layout'>(</span> <span class='hs-comment'>-- * Usage:</span>
<a name="line-18"></a> <span class='hs-comment'>-- $usage</span>
<a name="line-19"></a> <span class='hs-conid'>XMonadFont</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-20"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>initXMF</span>
<a name="line-21"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>releaseXMF</span>
<a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>initCoreFont</span>
<a name="line-23"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>releaseCoreFont</span>
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>initUtf8Font</span>
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>releaseUtf8Font</span>
<a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Align</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-27"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stringPosition</span>
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>textWidthXMF</span>
<a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>textExtentsXMF</span>
<a name="line-30"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>printStringXMF</span>
<a name="line-31"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>stringToPixel</span>
<a name="line-32"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>fi</span>
<a name="line-33"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-34"></a>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span>
<a name="line-36"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span>
<a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span>
<a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>E</span>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span>
<a name="line-40"></a>
<a name="line-41"></a><span class='hs-cpp'>#ifdef XFT</span>
<a name="line-42"></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-43"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>X11</span><span class='hs-varop'>.</span><span class='hs-conid'>Xft</span>
<a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>X11</span><span class='hs-varop'>.</span><span class='hs-conid'>Xrender</span>
<a name="line-45"></a><span class='hs-cpp'>#endif</span>
<a name="line-46"></a>
<a name="line-47"></a><a name="XMonadFont"></a><span class='hs-comment'>-- Hide the Core Font/Xft switching here</span>
<a name="line-48"></a><a name="XMonadFont"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>XMonadFont</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Core</span> <span class='hs-conid'>FontStruct</span>
<a name="line-49"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Utf8</span> <span class='hs-conid'>FontSet</span>
<a name="line-50"></a><span class='hs-cpp'>#ifdef XFT</span>
<a name="line-51"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Xft</span> <span class='hs-conid'>XftFont</span>
<a name="line-52"></a><span class='hs-cpp'>#endif</span>
<a name="line-53"></a>
<a name="line-54"></a><span class='hs-comment'>-- $usage</span>
<a name="line-55"></a><span class='hs-comment'>-- See "XMonad.Layout.Tabbed" or "XMonad.Prompt" for usage examples</span>
<a name="line-56"></a>
<a name="line-57"></a><a name="stringToPixel"></a><span class='hs-comment'>-- | Get the Pixel value for a named color: if an invalid name is</span>
<a name="line-58"></a><span class='hs-comment'>-- given the black pixel will be returned.</span>
<a name="line-59"></a><span class='hs-definition'>stringToPixel</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Functor</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Display</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>Pixel</span>
<a name="line-60"></a><span class='hs-definition'>stringToPixel</span> <span class='hs-varid'>d</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromMaybe</span> <span class='hs-varid'>fallBack</span> <span class='hs-varop'><$></span> <span class='hs-varid'>io</span> <span class='hs-varid'>getIt</span>
<a name="line-61"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>getIt</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>initColor</span> <span class='hs-varid'>d</span> <span class='hs-varid'>s</span>
<a name="line-62"></a> <span class='hs-varid'>fallBack</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>blackPixel</span> <span class='hs-varid'>d</span> <span class='hs-layout'>(</span><span class='hs-varid'>defaultScreen</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span>
<a name="line-63"></a>
<a name="line-64"></a><a name="econst"></a><span class='hs-definition'>econst</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IOException</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span>
<a name="line-65"></a><span class='hs-definition'>econst</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>const</span>
<a name="line-66"></a>
<a name="line-67"></a><a name="initCoreFont"></a><span class='hs-comment'>-- | Given a fontname returns the font structure. If the font name is</span>
<a name="line-68"></a><span class='hs-comment'>-- not valid the default font will be loaded and returned.</span>
<a name="line-69"></a><span class='hs-definition'>initCoreFont</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>FontStruct</span>
<a name="line-70"></a><span class='hs-definition'>initCoreFont</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-71"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span>
<a name="line-72"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-conid'>E</span><span class='hs-varop'>.</span><span class='hs-varid'>catch</span> <span class='hs-layout'>(</span><span class='hs-varid'>getIt</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fallBack</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span>
<a name="line-73"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>getIt</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>loadQueryFont</span> <span class='hs-varid'>d</span> <span class='hs-varid'>s</span>
<a name="line-74"></a> <span class='hs-varid'>fallBack</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>econst</span> <span class='hs-varop'>$</span> <span class='hs-varid'>loadQueryFont</span> <span class='hs-varid'>d</span> <span class='hs-str'>"-misc-fixed-*-*-*-*-10-*-*-*-*-*-*-*"</span>
<a name="line-75"></a>
<a name="line-76"></a><a name="releaseCoreFont"></a><span class='hs-definition'>releaseCoreFont</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FontStruct</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-77"></a><span class='hs-definition'>releaseCoreFont</span> <span class='hs-varid'>fs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-78"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span>
<a name="line-79"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>freeFont</span> <span class='hs-varid'>d</span> <span class='hs-varid'>fs</span>
<a name="line-80"></a>
<a name="line-81"></a><a name="initUtf8Font"></a><span class='hs-definition'>initUtf8Font</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>FontSet</span>
<a name="line-82"></a><span class='hs-definition'>initUtf8Font</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-83"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span>
<a name="line-84"></a> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-conid'>E</span><span class='hs-varop'>.</span><span class='hs-varid'>catch</span> <span class='hs-layout'>(</span><span class='hs-varid'>getIt</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>fallBack</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span>
<a name="line-85"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>fs</span>
<a name="line-86"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>getIt</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>createFontSet</span> <span class='hs-varid'>d</span> <span class='hs-varid'>s</span>
<a name="line-87"></a> <span class='hs-varid'>fallBack</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>econst</span> <span class='hs-varop'>$</span> <span class='hs-varid'>createFontSet</span> <span class='hs-varid'>d</span> <span class='hs-str'>"-misc-fixed-*-*-*-*-10-*-*-*-*-*-*-*"</span>
<a name="line-88"></a>
<a name="line-89"></a><a name="releaseUtf8Font"></a><span class='hs-definition'>releaseUtf8Font</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FontSet</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-90"></a><span class='hs-definition'>releaseUtf8Font</span> <span class='hs-varid'>fs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-91"></a> <span class='hs-varid'>d</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span>
<a name="line-92"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>freeFontSet</span> <span class='hs-varid'>d</span> <span class='hs-varid'>fs</span>
<a name="line-93"></a>
<a name="line-94"></a><a name="initXMF"></a><span class='hs-comment'>-- | When initXMF gets a font name that starts with 'xft:' it switches to the Xft backend</span>
<a name="line-95"></a><span class='hs-comment'>-- Example: 'xft: Sans-10'</span>
<a name="line-96"></a><span class='hs-definition'>initXMF</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>XMonadFont</span>
<a name="line-97"></a><span class='hs-definition'>initXMF</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span>
<a name="line-98"></a><span class='hs-cpp'>#ifdef XFT</span>
<a name="line-99"></a> <span class='hs-keyword'>if</span> <span class='hs-varid'>xftPrefix</span> <span class='hs-varop'>`isPrefixOf`</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>then</span>
<a name="line-100"></a> <span class='hs-keyword'>do</span> <span class='hs-varid'>dpy</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span>
<a name="line-101"></a> <span class='hs-varid'>xftdraw</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>xftFontOpen</span> <span class='hs-varid'>dpy</span> <span class='hs-layout'>(</span><span class='hs-varid'>defaultScreenOfDisplay</span> <span class='hs-varid'>dpy</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>drop</span> <span class='hs-layout'>(</span><span class='hs-varid'>length</span> <span class='hs-varid'>xftPrefix</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-102"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Xft</span> <span class='hs-varid'>xftdraw</span><span class='hs-layout'>)</span>
<a name="line-103"></a> <span class='hs-keyword'>else</span>
<a name="line-104"></a><span class='hs-cpp'>#endif</span>
<a name="line-105"></a> <span class='hs-varid'>fmap</span> <span class='hs-conid'>Utf8</span> <span class='hs-varop'>$</span> <span class='hs-varid'>initUtf8Font</span> <span class='hs-varid'>s</span>
<a name="line-106"></a><span class='hs-cpp'>#ifdef XFT</span>
<a name="line-107"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>xftPrefix</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"xft:"</span>
<a name="line-108"></a><span class='hs-cpp'>#endif</span>
<a name="line-109"></a>
<a name="line-110"></a><a name="releaseXMF"></a><span class='hs-definition'>releaseXMF</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>XMonadFont</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-conid'>()</span>
<a name="line-111"></a><span class='hs-cpp'>#ifdef XFT</span>
<a name="line-112"></a><span class='hs-definition'>releaseXMF</span> <span class='hs-layout'>(</span><span class='hs-conid'>Xft</span> <span class='hs-varid'>xftfont</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-113"></a> <span class='hs-varid'>dpy</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>asks</span> <span class='hs-varid'>display</span>
<a name="line-114"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>xftFontClose</span> <span class='hs-varid'>dpy</span> <span class='hs-varid'>xftfont</span>
<a name="line-115"></a><span class='hs-cpp'>#endif</span>
<a name="line-116"></a><span class='hs-definition'>releaseXMF</span> <span class='hs-layout'>(</span><span class='hs-conid'>Utf8</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>releaseUtf8Font</span> <span class='hs-varid'>fs</span>
<a name="line-117"></a><span class='hs-definition'>releaseXMF</span> <span class='hs-layout'>(</span><span class='hs-conid'>Core</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>releaseCoreFont</span> <span class='hs-varid'>fs</span>
<a name="line-118"></a>
<a name="line-119"></a>
<a name="line-120"></a><a name="textWidthXMF"></a><span class='hs-definition'>textWidthXMF</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Display</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>XMonadFont</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>Int</span>
<a name="line-121"></a><span class='hs-definition'>textWidthXMF</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Utf8</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fi</span> <span class='hs-varop'>$</span> <span class='hs-varid'>wcTextEscapement</span> <span class='hs-varid'>fs</span> <span class='hs-varid'>s</span>
<a name="line-122"></a><span class='hs-definition'>textWidthXMF</span> <span class='hs-keyword'>_</span> <span class='hs-layout'>(</span><span class='hs-conid'>Core</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fi</span> <span class='hs-varop'>$</span> <span class='hs-varid'>textWidth</span> <span class='hs-varid'>fs</span> <span class='hs-varid'>s</span>
<a name="line-123"></a><span class='hs-cpp'>#ifdef XFT</span>
<a name="line-124"></a><span class='hs-definition'>textWidthXMF</span> <span class='hs-varid'>dpy</span> <span class='hs-layout'>(</span><span class='hs-conid'>Xft</span> <span class='hs-varid'>xftdraw</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-125"></a> <span class='hs-varid'>gi</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>xftTextExtents</span> <span class='hs-varid'>dpy</span> <span class='hs-varid'>xftdraw</span> <span class='hs-varid'>s</span>
<a name="line-126"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>xglyphinfo_xOff</span> <span class='hs-varid'>gi</span>
<a name="line-127"></a><span class='hs-cpp'>#endif</span>
<a name="line-128"></a>
<a name="line-129"></a><a name="textExtentsXMF"></a><span class='hs-definition'>textExtentsXMF</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>XMonadFont</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Int32</span><span class='hs-layout'>,</span><span class='hs-conid'>Int32</span><span class='hs-layout'>)</span>
<a name="line-130"></a><span class='hs-definition'>textExtentsXMF</span> <span class='hs-layout'>(</span><span class='hs-conid'>Utf8</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-131"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>rl</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>wcTextExtents</span> <span class='hs-varid'>fs</span> <span class='hs-varid'>s</span>
<a name="line-132"></a> <span class='hs-varid'>ascent</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fi</span> <span class='hs-varop'>$</span> <span class='hs-comment'>-</span> <span class='hs-layout'>(</span><span class='hs-varid'>rect_y</span> <span class='hs-varid'>rl</span><span class='hs-layout'>)</span>
<a name="line-133"></a> <span class='hs-varid'>descent</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fi</span> <span class='hs-varop'>$</span> <span class='hs-varid'>rect_height</span> <span class='hs-varid'>rl</span> <span class='hs-varop'>+</span> <span class='hs-layout'>(</span><span class='hs-varid'>fi</span> <span class='hs-varop'>$</span> <span class='hs-varid'>rect_y</span> <span class='hs-varid'>rl</span><span class='hs-layout'>)</span>
<a name="line-134"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>ascent</span><span class='hs-layout'>,</span> <span class='hs-varid'>descent</span><span class='hs-layout'>)</span>
<a name="line-135"></a><span class='hs-definition'>textExtentsXMF</span> <span class='hs-layout'>(</span><span class='hs-conid'>Core</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-136"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>d</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'>textExtents</span> <span class='hs-varid'>fs</span> <span class='hs-varid'>s</span>
<a name="line-137"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>d</span><span class='hs-layout'>)</span>
<a name="line-138"></a><span class='hs-cpp'>#ifdef XFT</span>
<a name="line-139"></a><span class='hs-definition'>textExtentsXMF</span> <span class='hs-layout'>(</span><span class='hs-conid'>Xft</span> <span class='hs-varid'>xftfont</span><span class='hs-layout'>)</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-140"></a> <span class='hs-varid'>ascent</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fi</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>xftfont_ascent</span> <span class='hs-varid'>xftfont</span>
<a name="line-141"></a> <span class='hs-varid'>descent</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>fi</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>xftfont_descent</span> <span class='hs-varid'>xftfont</span>
<a name="line-142"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>ascent</span><span class='hs-layout'>,</span> <span class='hs-varid'>descent</span><span class='hs-layout'>)</span>
<a name="line-143"></a><span class='hs-cpp'>#endif</span>
<a name="line-144"></a>
<a name="line-145"></a><a name="Align"></a><span class='hs-comment'>-- | String position</span>
<a name="line-146"></a><a name="Align"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Align</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>AlignCenter</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AlignRight</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AlignLeft</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>AlignRightOffset</span> <span class='hs-conid'>Int</span>
<a name="line-147"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>)</span>
<a name="line-148"></a>
<a name="line-149"></a><a name="stringPosition"></a><span class='hs-comment'>-- | Return the string x and y 'Position' in a 'Rectangle', given a</span>
<a name="line-150"></a><span class='hs-comment'>-- 'FontStruct' and the 'Align'ment</span>
<a name="line-151"></a><span class='hs-definition'>stringPosition</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Functor</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Display</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>XMonadFont</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Rectangle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Align</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Position</span><span class='hs-layout'>,</span><span class='hs-conid'>Position</span><span class='hs-layout'>)</span>
<a name="line-152"></a><span class='hs-definition'>stringPosition</span> <span class='hs-varid'>dpy</span> <span class='hs-varid'>fs</span> <span class='hs-layout'>(</span><span class='hs-conid'>Rectangle</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>w</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-varid'>al</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-153"></a> <span class='hs-varid'>width</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>textWidthXMF</span> <span class='hs-varid'>dpy</span> <span class='hs-varid'>fs</span> <span class='hs-varid'>s</span>
<a name="line-154"></a> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>textExtentsXMF</span> <span class='hs-varid'>fs</span> <span class='hs-varid'>s</span>
<a name="line-155"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fi</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varid'>h</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fi</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-varop'>+</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varop'>`div`</span> <span class='hs-num'>2</span><span class='hs-layout'>)</span> <span class='hs-varop'>+</span> <span class='hs-varid'>fi</span> <span class='hs-varid'>a</span><span class='hs-layout'>;</span>
<a name="line-156"></a> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>al</span> <span class='hs-keyword'>of</span>
<a name="line-157"></a> <span class='hs-conid'>AlignCenter</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fi</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-varop'>`div`</span> <span class='hs-num'>2</span><span class='hs-layout'>)</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fi</span> <span class='hs-layout'>(</span><span class='hs-varid'>width</span> <span class='hs-varop'>`div`</span> <span class='hs-num'>2</span><span class='hs-layout'>)</span>
<a name="line-158"></a> <span class='hs-conid'>AlignLeft</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>1</span>
<a name="line-159"></a> <span class='hs-conid'>AlignRight</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fi</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-comment'>-</span> <span class='hs-layout'>(</span><span class='hs-varid'>fi</span> <span class='hs-varid'>width</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>;</span>
<a name="line-160"></a> <span class='hs-conid'>AlignRightOffset</span> <span class='hs-varid'>offset</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>fi</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-comment'>-</span> <span class='hs-layout'>(</span><span class='hs-varid'>fi</span> <span class='hs-varid'>width</span> <span class='hs-varop'>+</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fi</span> <span class='hs-varid'>offset</span><span class='hs-layout'>;</span>
<a name="line-161"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span><span class='hs-varid'>y</span><span class='hs-layout'>)</span>
<a name="line-162"></a>
<a name="line-163"></a><a name="printStringXMF"></a><span class='hs-definition'>printStringXMF</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Functor</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Display</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Drawable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>XMonadFont</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GC</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span>
<a name="line-164"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Position</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Position</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-165"></a><span class='hs-definition'>printStringXMF</span> <span class='hs-varid'>d</span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-conid'>Core</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>fc</span> <span class='hs-varid'>bc</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-166"></a> <span class='hs-varid'>setFont</span> <span class='hs-varid'>d</span> <span class='hs-varid'>gc</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fontFromFontStruct</span> <span class='hs-varid'>fs</span>
<a name="line-167"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>fc'</span><span class='hs-layout'>,</span><span class='hs-varid'>bc'</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>stringToPixel</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>fc</span><span class='hs-layout'>,</span><span class='hs-varid'>bc</span><span class='hs-keyglyph'>]</span>
<a name="line-168"></a> <span class='hs-varid'>setForeground</span> <span class='hs-varid'>d</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>fc'</span>
<a name="line-169"></a> <span class='hs-varid'>setBackground</span> <span class='hs-varid'>d</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>bc'</span>
<a name="line-170"></a> <span class='hs-varid'>drawImageString</span> <span class='hs-varid'>d</span> <span class='hs-varid'>p</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>s</span>
<a name="line-171"></a><span class='hs-definition'>printStringXMF</span> <span class='hs-varid'>d</span> <span class='hs-varid'>p</span> <span class='hs-layout'>(</span><span class='hs-conid'>Utf8</span> <span class='hs-varid'>fs</span><span class='hs-layout'>)</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>fc</span> <span class='hs-varid'>bc</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-172"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>fc'</span><span class='hs-layout'>,</span><span class='hs-varid'>bc'</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>mapM</span> <span class='hs-layout'>(</span><span class='hs-varid'>stringToPixel</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>fc</span><span class='hs-layout'>,</span><span class='hs-varid'>bc</span><span class='hs-keyglyph'>]</span>
<a name="line-173"></a> <span class='hs-varid'>setForeground</span> <span class='hs-varid'>d</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>fc'</span>
<a name="line-174"></a> <span class='hs-varid'>setBackground</span> <span class='hs-varid'>d</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>bc'</span>
<a name="line-175"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>wcDrawImageString</span> <span class='hs-varid'>d</span> <span class='hs-varid'>p</span> <span class='hs-varid'>fs</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>s</span>
<a name="line-176"></a><span class='hs-cpp'>#ifdef XFT</span>
<a name="line-177"></a><span class='hs-definition'>printStringXMF</span> <span class='hs-varid'>dpy</span> <span class='hs-varid'>drw</span> <span class='hs-varid'>fs</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>Xft</span> <span class='hs-varid'>font</span><span class='hs-layout'>)</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>fc</span> <span class='hs-varid'>bc</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-178"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>screen</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>defaultScreenOfDisplay</span> <span class='hs-varid'>dpy</span>
<a name="line-179"></a> <span class='hs-varid'>colormap</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>defaultColormapOfScreen</span> <span class='hs-varid'>screen</span>
<a name="line-180"></a> <span class='hs-varid'>visual</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>defaultVisualOfScreen</span> <span class='hs-varid'>screen</span>
<a name="line-181"></a> <span class='hs-varid'>bcolor</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>stringToPixel</span> <span class='hs-varid'>dpy</span> <span class='hs-varid'>bc</span>
<a name="line-182"></a> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span><span class='hs-varid'>d</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>textExtentsXMF</span> <span class='hs-varid'>fs</span> <span class='hs-varid'>s</span>
<a name="line-183"></a> <span class='hs-varid'>gi</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>xftTextExtents</span> <span class='hs-varid'>dpy</span> <span class='hs-varid'>font</span> <span class='hs-varid'>s</span>
<a name="line-184"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>setForeground</span> <span class='hs-varid'>dpy</span> <span class='hs-varid'>gc</span> <span class='hs-varid'>bcolor</span>
<a name="line-185"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fillRectangle</span> <span class='hs-varid'>dpy</span> <span class='hs-varid'>drw</span> <span class='hs-varid'>gc</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fi</span> <span class='hs-layout'>(</span><span class='hs-varid'>xglyphinfo_x</span> <span class='hs-varid'>gi</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-186"></a> <span class='hs-layout'>(</span><span class='hs-varid'>y</span> <span class='hs-comment'>-</span> <span class='hs-varid'>fi</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-187"></a> <span class='hs-layout'>(</span><span class='hs-varid'>fi</span> <span class='hs-varop'>$</span> <span class='hs-varid'>xglyphinfo_xOff</span> <span class='hs-varid'>gi</span><span class='hs-layout'>)</span>
<a name="line-188"></a> <span class='hs-layout'>(</span><span class='hs-varid'>fi</span> <span class='hs-varop'>$</span> <span class='hs-varid'>a</span> <span class='hs-varop'>+</span> <span class='hs-varid'>d</span><span class='hs-layout'>)</span>
<a name="line-189"></a> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>withXftDraw</span> <span class='hs-varid'>dpy</span> <span class='hs-varid'>drw</span> <span class='hs-varid'>visual</span> <span class='hs-varid'>colormap</span> <span class='hs-varop'>$</span>
<a name="line-190"></a> <span class='hs-keyglyph'>\</span><span class='hs-varid'>draw</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>withXftColorName</span> <span class='hs-varid'>dpy</span> <span class='hs-varid'>visual</span> <span class='hs-varid'>colormap</span> <span class='hs-varid'>fc</span> <span class='hs-varop'>$</span>
<a name="line-191"></a> <span class='hs-keyglyph'>\</span><span class='hs-varid'>color</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>xftDrawString</span> <span class='hs-varid'>draw</span> <span class='hs-varid'>color</span> <span class='hs-varid'>font</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>s</span>
<a name="line-192"></a><span class='hs-cpp'>#endif</span>
<a name="line-193"></a>
<a name="line-194"></a><a name="fi"></a><span class='hs-comment'>-- | Short-hand for 'fromIntegral'</span>
<a name="line-195"></a><span class='hs-definition'>fi</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Integral</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Num</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span>
<a name="line-196"></a><span class='hs-definition'>fi</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromIntegral</span>
</pre></body>
</html>
