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<pre><a name="line-1"></a><span class='hs-comment'>-----------------------------------------------------------------------------</span>
<a name="line-2"></a><span class='hs-comment'>-- |</span>
<a name="line-3"></a><span class='hs-comment'>-- Module : XMonad.Util.DebugWindow</span>
<a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) Brandon S Allbery KF8NH, 2012</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 : allbery.b@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 : not portable</span>
<a name="line-10"></a><span class='hs-comment'>--</span>
<a name="line-11"></a><span class='hs-comment'>-- Module to dump window information for diagnostic/debugging purposes. See </span>
<a name="line-12"></a><span class='hs-comment'>-- "XMonad.Hooks.DebugEvents" and "XMonad.Hooks.DebugStack" for practical uses.</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'>DebugWindow</span> <span class='hs-layout'>(</span><span class='hs-varid'>debugWindow</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Prelude</span>
<a name="line-19"></a>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>XMonad</span>
<a name="line-21"></a>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Codec</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-conid'>UTF8</span><span class='hs-varop'>.</span><span class='hs-conid'>String</span> <span class='hs-layout'>(</span><span class='hs-varid'>decodeString</span><span class='hs-layout'>)</span>
<a name="line-23"></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-varop'>.</span><span class='hs-conid'>Extensible</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>E</span>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span><span class='hs-varid'>when</span><span class='hs-layout'>)</span>
<a name="line-25"></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'>unfoldr</span>
<a name="line-26"></a> <span class='hs-layout'>,</span><span class='hs-varid'>intercalate</span>
<a name="line-27"></a> <span class='hs-layout'>)</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span>
<a name="line-29"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>String</span>
<a name="line-30"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Numeric</span> <span class='hs-layout'>(</span><span class='hs-varid'>showHex</span><span class='hs-layout'>)</span>
<a name="line-31"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Exit</span>
<a name="line-32"></a>
<a name="line-33"></a><a name="debugWindow"></a><span class='hs-comment'>-- | Output a window by ID in hex, decimal, its ICCCM resource name and class,</span>
<a name="line-34"></a><span class='hs-comment'>-- and its title if available. Also indicate override_redirect with an</span>
<a name="line-35"></a><span class='hs-comment'>-- exclamation mark, and wrap in brackets if it is unmapped or withdrawn.</span>
<a name="line-36"></a><span class='hs-definition'>debugWindow</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'>String</span>
<a name="line-37"></a><span class='hs-definition'>debugWindow</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-str'>"None"</span>
<a name="line-38"></a><span class='hs-definition'>debugWindow</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-39"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>wx</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>pad</span> <span class='hs-num'>8</span> <span class='hs-chr'>'0'</span> <span class='hs-varop'>$</span> <span class='hs-varid'>showHex</span> <span class='hs-varid'>w</span> <span class='hs-str'>""</span>
<a name="line-40"></a> <span class='hs-varid'>w'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>withDisplay</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>d</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>io</span> <span class='hs-layout'>(</span><span class='hs-varid'>safeGetWindowAttributes</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span>
<a name="line-41"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>w'</span> <span class='hs-keyword'>of</span>
<a name="line-42"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span>
<a name="line-43"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-str'>"(deleted window "</span> <span class='hs-varop'>++</span> <span class='hs-varid'>wx</span> <span class='hs-varop'>++</span> <span class='hs-str'>")"</span>
<a name="line-44"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>WindowAttributes</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <span class='hs-varid'>wid</span> <span class='hs-varid'>ht</span> <span class='hs-varid'>bw</span> <span class='hs-varid'>m</span> <span class='hs-varid'>o</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-45"></a> <span class='hs-varid'>c'</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>withDisplay</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>d</span> <span class='hs-keyglyph'>-></span>
<a name="line-46"></a> <span class='hs-varid'>io</span> <span class='hs-layout'>(</span><span class='hs-varid'>getWindowProperty8</span> <span class='hs-varid'>d</span> <span class='hs-varid'>wM_CLASS</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span>
<a name="line-47"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>c'</span> <span class='hs-keyword'>of</span>
<a name="line-48"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-str'>""</span>
<a name="line-49"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>c''</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>intercalate</span> <span class='hs-str'>"/"</span> <span class='hs-varop'>$</span>
<a name="line-50"></a> <span class='hs-varid'>flip</span> <span class='hs-varid'>unfoldr</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>toEnum</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromEnum</span><span class='hs-layout'>)</span> <span class='hs-varid'>c''</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-51"></a> <span class='hs-keyglyph'>\</span><span class='hs-varid'>s</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>s</span>
<a name="line-52"></a> <span class='hs-keyword'>then</span> <span class='hs-conid'>Nothing</span>
<a name="line-53"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>w''</span><span class='hs-layout'>,</span><span class='hs-varid'>s''</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>break</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-chr'>'\NUL'</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span>
<a name="line-54"></a> <span class='hs-varid'>s'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>s''</span>
<a name="line-55"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>s''</span>
<a name="line-56"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>tail</span> <span class='hs-varid'>s''</span>
<a name="line-57"></a> <span class='hs-keyword'>in</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>w''</span><span class='hs-layout'>,</span><span class='hs-varid'>s'</span><span class='hs-layout'>)</span>
<a name="line-58"></a> <span class='hs-varid'>t</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>catchX'</span> <span class='hs-layout'>(</span><span class='hs-varid'>wrap</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>getEWMHTitle</span> <span class='hs-str'>"VISIBLE"</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-59"></a> <span class='hs-varid'>catchX'</span> <span class='hs-layout'>(</span><span class='hs-varid'>wrap</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>getEWMHTitle</span> <span class='hs-str'>""</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-60"></a> <span class='hs-varid'>catchX'</span> <span class='hs-layout'>(</span><span class='hs-varid'>wrap</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>getICCCMTitle</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-61"></a> <span class='hs-varid'>return</span> <span class='hs-str'>""</span>
<a name="line-62"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>lb</span><span class='hs-layout'>,</span><span class='hs-varid'>rb</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-conid'>()</span> <span class='hs-keyword'>of</span>
<a name="line-63"></a> <span class='hs-conid'>()</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>m</span> <span class='hs-varop'>==</span> <span class='hs-varid'>waIsViewable</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-str'>""</span><span class='hs-layout'>,</span><span class='hs-str'>""</span><span class='hs-layout'>)</span>
<a name="line-64"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-str'>"["</span><span class='hs-layout'>,</span><span class='hs-str'>"]"</span><span class='hs-layout'>)</span>
<a name="line-65"></a> <span class='hs-varid'>o'</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>o</span> <span class='hs-keyword'>then</span> <span class='hs-str'>"!"</span> <span class='hs-keyword'>else</span> <span class='hs-str'>""</span>
<a name="line-66"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>concat</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>lb</span>
<a name="line-67"></a> <span class='hs-layout'>,</span><span class='hs-varid'>o'</span>
<a name="line-68"></a> <span class='hs-layout'>,</span><span class='hs-str'>"window "</span>
<a name="line-69"></a> <span class='hs-layout'>,</span><span class='hs-varid'>wx</span>
<a name="line-70"></a> <span class='hs-layout'>,</span><span class='hs-varid'>t</span>
<a name="line-71"></a> <span class='hs-layout'>,</span><span class='hs-str'>" ("</span>
<a name="line-72"></a> <span class='hs-layout'>,</span><span class='hs-varid'>show</span> <span class='hs-varid'>wid</span>
<a name="line-73"></a> <span class='hs-layout'>,</span><span class='hs-chr'>','</span><span class='hs-conop'>:</span><span class='hs-varid'>show</span> <span class='hs-varid'>ht</span>
<a name="line-74"></a> <span class='hs-layout'>,</span><span class='hs-chr'>')'</span><span class='hs-conop'>:</span><span class='hs-keyword'>if</span> <span class='hs-varid'>bw</span> <span class='hs-varop'>==</span> <span class='hs-num'>0</span> <span class='hs-keyword'>then</span> <span class='hs-str'>""</span> <span class='hs-keyword'>else</span> <span class='hs-chr'>'+'</span><span class='hs-conop'>:</span><span class='hs-varid'>show</span> <span class='hs-varid'>bw</span>
<a name="line-75"></a> <span class='hs-layout'>,</span><span class='hs-str'>"@("</span>
<a name="line-76"></a> <span class='hs-layout'>,</span><span class='hs-varid'>show</span> <span class='hs-varid'>x</span>
<a name="line-77"></a> <span class='hs-layout'>,</span><span class='hs-chr'>','</span><span class='hs-conop'>:</span><span class='hs-varid'>show</span> <span class='hs-varid'>y</span>
<a name="line-78"></a> <span class='hs-layout'>,</span><span class='hs-chr'>')'</span><span class='hs-conop'>:</span><span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>c</span> <span class='hs-keyword'>then</span> <span class='hs-str'>""</span> <span class='hs-keyword'>else</span> <span class='hs-chr'>' '</span><span class='hs-conop'>:</span><span class='hs-varid'>c</span>
<a name="line-79"></a> <span class='hs-layout'>,</span><span class='hs-varid'>rb</span>
<a name="line-80"></a> <span class='hs-keyglyph'>]</span>
<a name="line-81"></a>
<a name="line-82"></a><a name="getEWMHTitle"></a><span class='hs-definition'>getEWMHTitle</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</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'>String</span>
<a name="line-83"></a><span class='hs-definition'>getEWMHTitle</span> <span class='hs-varid'>sub</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-84"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getAtom</span> <span class='hs-varop'>$</span> <span class='hs-str'>"_NET_WM_"</span> <span class='hs-varop'>++</span> <span class='hs-layout'>(</span><span class='hs-keyword'>if</span> <span class='hs-varid'>null</span> <span class='hs-varid'>sub</span> <span class='hs-keyword'>then</span> <span class='hs-str'>""</span> <span class='hs-keyword'>else</span> <span class='hs-chr'>'_'</span><span class='hs-conop'>:</span><span class='hs-varid'>sub</span><span class='hs-layout'>)</span> <span class='hs-varop'>++</span> <span class='hs-str'>"_NAME"</span>
<a name="line-85"></a> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>withDisplay</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>d</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getWindowProperty32</span> <span class='hs-varid'>d</span> <span class='hs-varid'>a</span> <span class='hs-varid'>w</span>
<a name="line-86"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>toEnum</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromEnum</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span>
<a name="line-87"></a>
<a name="line-88"></a><a name="getICCCMTitle"></a><span class='hs-definition'>getICCCMTitle</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'>String</span>
<a name="line-89"></a><span class='hs-definition'>getICCCMTitle</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-90"></a> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>TextProperty</span> <span class='hs-varid'>t'</span> <span class='hs-keyword'>_</span> <span class='hs-num'>8</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>withDisplay</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>d</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>getTextProperty</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-varid'>wM_NAME</span>
<a name="line-91"></a> <span class='hs-keyglyph'>[</span><span class='hs-varid'>s</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>catchX'</span> <span class='hs-layout'>(</span><span class='hs-varid'>tryUTF8</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-92"></a> <span class='hs-varid'>catchX'</span> <span class='hs-layout'>(</span><span class='hs-varid'>tryCompound</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-93"></a> <span class='hs-varid'>io</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conop'>:</span><span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>peekCString</span> <span class='hs-varid'>t'</span><span class='hs-layout'>)</span>
<a name="line-94"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>s</span>
<a name="line-95"></a>
<a name="line-96"></a><a name="tryUTF8"></a><span class='hs-definition'>tryUTF8</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextProperty</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-97"></a><span class='hs-definition'>tryUTF8</span> <span class='hs-layout'>(</span><span class='hs-conid'>TextProperty</span> <span class='hs-varid'>s</span> <span class='hs-varid'>enc</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-98"></a> <span class='hs-varid'>uTF8_STRING</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getAtom</span> <span class='hs-str'>"UTF8_STRING"</span>
<a name="line-99"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>enc</span> <span class='hs-varop'>==</span> <span class='hs-varid'>uTF8_STRING</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>error</span> <span class='hs-str'>"String is not UTF8_STRING"</span>
<a name="line-100"></a> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-varid'>decodeString</span> <span class='hs-varop'>.</span> <span class='hs-varid'>splitNul</span><span class='hs-layout'>)</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>io</span> <span class='hs-layout'>(</span><span class='hs-varid'>peekCString</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-101"></a>
<a name="line-102"></a><a name="tryCompound"></a><span class='hs-definition'>tryCompound</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TextProperty</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-103"></a><span class='hs-definition'>tryCompound</span> <span class='hs-varid'>t</span><span class='hs-keyglyph'>@</span><span class='hs-layout'>(</span><span class='hs-conid'>TextProperty</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>enc</span> <span class='hs-keyword'>_</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-104"></a> <span class='hs-varid'>cOMPOUND_TEXT</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getAtom</span> <span class='hs-str'>"COMPOUND_TEXT"</span>
<a name="line-105"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>enc</span> <span class='hs-varop'>==</span> <span class='hs-varid'>cOMPOUND_TEXT</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>error</span> <span class='hs-str'>"String is not COMPOUND_TEXT"</span>
<a name="line-106"></a> <span class='hs-varid'>withDisplay</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>d</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>io</span> <span class='hs-varop'>$</span> <span class='hs-varid'>wcTextPropertyToTextList</span> <span class='hs-varid'>d</span> <span class='hs-varid'>t</span>
<a name="line-107"></a>
<a name="line-108"></a><a name="splitNul"></a><span class='hs-definition'>splitNul</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>String</span><span class='hs-keyglyph'>]</span>
<a name="line-109"></a><span class='hs-definition'>splitNul</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>[]</span>
<a name="line-110"></a><span class='hs-definition'>splitNul</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>s'</span><span class='hs-layout'>,</span><span class='hs-varid'>ss'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>break</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-chr'>'\NUL'</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>in</span> <span class='hs-varid'>s'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>splitNul</span> <span class='hs-varid'>ss'</span>
<a name="line-111"></a>
<a name="line-112"></a><a name="pad"></a><span class='hs-definition'>pad</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Char</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-113"></a><span class='hs-definition'>pad</span> <span class='hs-varid'>w</span> <span class='hs-varid'>c</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span> <span class='hs-comment'>-</span> <span class='hs-varid'>length</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-varid'>c</span> <span class='hs-varop'>++</span> <span class='hs-varid'>s</span>
<a name="line-114"></a>
<a name="line-115"></a><a name="catchX'"></a><span class='hs-comment'>-- modified 'catchX' without the print to 'stderr'</span>
<a name="line-116"></a><span class='hs-definition'>catchX'</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>X</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>X</span> <span class='hs-varid'>a</span>
<a name="line-117"></a><span class='hs-definition'>catchX'</span> <span class='hs-varid'>job</span> <span class='hs-varid'>errcase</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-118"></a> <span class='hs-varid'>st</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>get</span>
<a name="line-119"></a> <span class='hs-varid'>c</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>ask</span>
<a name="line-120"></a> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>s'</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'>runX</span> <span class='hs-varid'>c</span> <span class='hs-varid'>st</span> <span class='hs-varid'>job</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-varop'>`</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>e</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>case</span> <span class='hs-varid'>fromException</span> <span class='hs-varid'>e</span> <span class='hs-keyword'>of</span>
<a name="line-121"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>throw</span> <span class='hs-varid'>e</span> <span class='hs-varop'>`const`</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span> <span class='hs-varop'>`asTypeOf`</span> <span class='hs-conid'>ExitSuccess</span><span class='hs-layout'>)</span>
<a name="line-122"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>runX</span> <span class='hs-varid'>c</span> <span class='hs-varid'>st</span> <span class='hs-varid'>errcase</span>
<a name="line-123"></a> <span class='hs-varid'>put</span> <span class='hs-varid'>s'</span>
<a name="line-124"></a> <span class='hs-varid'>return</span> <span class='hs-varid'>a</span>
<a name="line-125"></a>
<a name="line-126"></a><a name="wrap"></a><span class='hs-definition'>wrap</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-127"></a><span class='hs-definition'>wrap</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>' '</span> <span class='hs-conop'>:</span> <span class='hs-chr'>'"'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>wrap'</span> <span class='hs-varid'>s</span> <span class='hs-varop'>++</span> <span class='hs-str'>"\""</span>
<a name="line-128"></a> <span class='hs-keyword'>where</span>
<a name="line-129"></a> <span class='hs-varid'>wrap'</span> <span class='hs-layout'>(</span><span class='hs-varid'>s'</span><span class='hs-conop'>:</span><span class='hs-varid'>ss</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>s'</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'"'</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\\'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>s'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>wrap'</span> <span class='hs-varid'>ss</span>
<a name="line-130"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>s'</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'\\'</span> <span class='hs-keyglyph'>=</span> <span class='hs-chr'>'\\'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>s'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>wrap'</span> <span class='hs-varid'>ss</span>
<a name="line-131"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>s'</span> <span class='hs-conop'>:</span> <span class='hs-varid'>wrap'</span> <span class='hs-varid'>ss</span>
<a name="line-132"></a> <span class='hs-varid'>wrap'</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>""</span>
<a name="line-133"></a>
<a name="line-134"></a><a name="safeGetWindowAttributes"></a><span class='hs-comment'>-- Graphics.X11.Extras.getWindowAttributes is bugggggggy</span>
<a name="line-135"></a><span class='hs-definition'>safeGetWindowAttributes</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'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>WindowAttributes</span><span class='hs-layout'>)</span>
<a name="line-136"></a><span class='hs-definition'>safeGetWindowAttributes</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>p</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-137"></a> <span class='hs-varid'>s</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>xGetWindowAttributes</span> <span class='hs-varid'>d</span> <span class='hs-varid'>w</span> <span class='hs-varid'>p</span>
<a name="line-138"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>s</span> <span class='hs-keyword'>of</span>
<a name="line-139"></a> <span class='hs-num'>0</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-140"></a> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-varop'>`fmap`</span> <span class='hs-varid'>peek</span> <span class='hs-varid'>p</span>
</pre></body>
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