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ghc-gtk-devel-0.11.2-5.fc14.i686.rpm

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<a name="line-2"></a><span class='hs-comment'>{-# LINE 2 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-3"></a><span class='hs-comment'>-- -*-haskell-*-</span>
<a name="line-4"></a><span class='hs-comment'>-- GIMP Toolkit (GTK) TreeModelSort</span>
<a name="line-5"></a><span class='hs-comment'>--</span>
<a name="line-6"></a><span class='hs-comment'>-- Author : Duncan Coutts</span>
<a name="line-7"></a><span class='hs-comment'>--</span>
<a name="line-8"></a><span class='hs-comment'>-- Created: 4 August 2004</span>
<a name="line-9"></a><span class='hs-comment'>--</span>
<a name="line-10"></a><span class='hs-comment'>-- Copyright (C) 2004-2005 Duncan Coutts, Axel Simon</span>
<a name="line-11"></a><span class='hs-comment'>--</span>
<a name="line-12"></a><span class='hs-comment'>-- This library is free software; you can redistribute it and/or</span>
<a name="line-13"></a><span class='hs-comment'>-- modify it under the terms of the GNU Lesser General Public</span>
<a name="line-14"></a><span class='hs-comment'>-- License as published by the Free Software Foundation; either</span>
<a name="line-15"></a><span class='hs-comment'>-- version 2.1 of the License, or (at your option) any later version.</span>
<a name="line-16"></a><span class='hs-comment'>--</span>
<a name="line-17"></a><span class='hs-comment'>-- This library is distributed in the hope that it will be useful,</span>
<a name="line-18"></a><span class='hs-comment'>-- but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="line-19"></a><span class='hs-comment'>-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="line-20"></a><span class='hs-comment'>-- Lesser General Public License for more details.</span>
<a name="line-21"></a><span class='hs-comment'>--</span>
<a name="line-22"></a><span class='hs-comment'>-- |</span>
<a name="line-23"></a><span class='hs-comment'>-- Maintainer : gtk2hs-users@lists.sourceforge.net</span>
<a name="line-24"></a><span class='hs-comment'>-- Stability : provisional</span>
<a name="line-25"></a><span class='hs-comment'>-- Portability : portable (depends on GHC)</span>
<a name="line-26"></a><span class='hs-comment'>--</span>
<a name="line-27"></a><span class='hs-comment'>-- A 'TreeModel' which makes an underlying tree model sortable</span>
<a name="line-28"></a><span class='hs-comment'>--</span>
<a name="line-29"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>UI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>ModelView</span><span class='hs-varop'>.</span><span class='hs-conid'>TreeModelSort</span> <span class='hs-layout'>(</span>
<a name="line-30"></a><span class='hs-comment'>-- * Detail</span>
<a name="line-31"></a><span class='hs-comment'>--</span>
<a name="line-32"></a><span class='hs-comment'>-- | The 'TreeModelSort' is a model which implements the 'TreeSortable'</span>
<a name="line-33"></a><span class='hs-comment'>-- interface. It does not hold any data itself, but rather is created with a</span>
<a name="line-34"></a><span class='hs-comment'>-- child model and proxies its data. It has identical rows to its</span>
<a name="line-35"></a><span class='hs-comment'>-- child model, and the changes in the child are propagated. The primary</span>
<a name="line-36"></a><span class='hs-comment'>-- purpose of this model is to provide a way to sort a model without</span>
<a name="line-37"></a><span class='hs-comment'>-- modifying it.</span>
<a name="line-38"></a>
<a name="line-39"></a><span class='hs-comment'>-- * Class Hierarchy</span>
<a name="line-40"></a><span class='hs-comment'>-- |</span>
<a name="line-41"></a><span class='hs-comment'>-- @</span>
<a name="line-42"></a><span class='hs-comment'>-- | 'GObject'</span>
<a name="line-43"></a><span class='hs-comment'>-- | +----TreeModelSort</span>
<a name="line-44"></a><span class='hs-comment'>-- @</span>
<a name="line-45"></a>
<a name="line-46"></a><span class='hs-comment'>-- * Types</span>
<a name="line-47"></a>  <span class='hs-conid'>TreeModelSort</span><span class='hs-layout'>,</span>
<a name="line-48"></a>  <span class='hs-conid'>TreeModelSortClass</span><span class='hs-layout'>,</span>
<a name="line-49"></a>  <span class='hs-varid'>castToTreeModelSort</span><span class='hs-layout'>,</span> <span class='hs-varid'>gTypeTreeModelSort</span><span class='hs-layout'>,</span>
<a name="line-50"></a>  <span class='hs-varid'>toTreeModelSort</span><span class='hs-layout'>,</span>
<a name="line-51"></a>
<a name="line-52"></a>  <span class='hs-conid'>TypedTreeModelSort</span><span class='hs-layout'>,</span>
<a name="line-53"></a>
<a name="line-54"></a><span class='hs-comment'>-- * Constructors</span>
<a name="line-55"></a>  <span class='hs-varid'>treeModelSortNewWithModel</span><span class='hs-layout'>,</span>
<a name="line-56"></a>
<a name="line-57"></a><span class='hs-comment'>-- * Methods</span>
<a name="line-58"></a>  <span class='hs-varid'>treeModelSortGetModel</span><span class='hs-layout'>,</span>
<a name="line-59"></a>  <span class='hs-varid'>treeModelSortConvertChildPathToPath</span><span class='hs-layout'>,</span>
<a name="line-60"></a>  <span class='hs-varid'>treeModelSortConvertPathToChildPath</span><span class='hs-layout'>,</span>
<a name="line-61"></a>  <span class='hs-varid'>treeModelSortConvertChildIterToIter</span><span class='hs-layout'>,</span>
<a name="line-62"></a>  <span class='hs-varid'>treeModelSortConvertIterToChildIter</span><span class='hs-layout'>,</span>
<a name="line-63"></a>  <span class='hs-varid'>treeModelSortResetDefaultSortFunc</span><span class='hs-layout'>,</span>
<a name="line-64"></a>  <span class='hs-varid'>treeModelSortClearCache</span><span class='hs-layout'>,</span>
<a name="line-65"></a>
<a name="line-66"></a>  <span class='hs-varid'>treeModelSortIterIsValid</span><span class='hs-layout'>,</span>
<a name="line-67"></a>
<a name="line-68"></a>  <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-69"></a>
<a name="line-70"></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'>liftM</span><span class='hs-layout'>)</span>
<a name="line-71"></a>
<a name="line-72"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Glib</span><span class='hs-varop'>.</span><span class='hs-conid'>FFI</span>
<a name="line-73"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Glib</span><span class='hs-varop'>.</span><span class='hs-conid'>GObject</span> <span class='hs-layout'>(</span><span class='hs-varid'>constructNewGObject</span><span class='hs-layout'>,</span>
<a name="line-74"></a>       <span class='hs-varid'>makeNewGObject</span><span class='hs-layout'>)</span>
<a name="line-75"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>UI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
<a name="line-76"></a><span class='hs-comment'>{-# LINE 75 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-77"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>UI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>ModelView</span><span class='hs-varop'>.</span><span class='hs-conid'>TreeModel</span>
<a name="line-78"></a><span class='hs-comment'>{-# LINE 76 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-79"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>UI</span><span class='hs-varop'>.</span><span class='hs-conid'>Gtk</span><span class='hs-varop'>.</span><span class='hs-conid'>ModelView</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>
<a name="line-80"></a><span class='hs-comment'>{-# LINE 77 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-81"></a>
<a name="line-82"></a>
<a name="line-83"></a><span class='hs-comment'>{-# LINE 79 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-84"></a>
<a name="line-85"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TreeModelClass</span> <span class='hs-layout'>(</span><span class='hs-conid'>TypedTreeModelSort</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-86"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TreeModelSortClass</span> <span class='hs-layout'>(</span><span class='hs-conid'>TypedTreeModelSort</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-87"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>GObjectClass</span> <span class='hs-layout'>(</span><span class='hs-conid'>TypedTreeModelSort</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-88"></a>  <span class='hs-varid'>toGObject</span> <span class='hs-layout'>(</span><span class='hs-conid'>TypedTreeModelSort</span> <span class='hs-varid'>tm</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>GObject</span> <span class='hs-layout'>(</span><span class='hs-varid'>castForeignPtr</span> <span class='hs-varid'>tm</span><span class='hs-layout'>)</span>
<a name="line-89"></a>  <span class='hs-varid'>unsafeCastGObject</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>TypedTreeModelSort</span> <span class='hs-varop'>.</span> <span class='hs-varid'>castForeignPtr</span> <span class='hs-varop'>.</span> <span class='hs-varid'>unGObject</span>
<a name="line-90"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TreeSortableClass</span> <span class='hs-conid'>TreeModelSort</span>
<a name="line-91"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>TreeSortableClass</span> <span class='hs-layout'>(</span><span class='hs-conid'>TypedTreeModelSort</span> <span class='hs-varid'>row</span><span class='hs-layout'>)</span>
<a name="line-92"></a>
<a name="line-93"></a><span class='hs-comment'>--------------------</span>
<a name="line-94"></a><span class='hs-comment'>-- Constructors</span>
<a name="line-95"></a>
<a name="line-96"></a><a name="treeModelSortNewWithModel"></a><span class='hs-comment'>-- | Creates a new 'TreeModelSort', that will be a sorted view of the given</span>
<a name="line-97"></a><span class='hs-comment'>-- model.</span>
<a name="line-98"></a><span class='hs-comment'>--</span>
<a name="line-99"></a><span class='hs-definition'>treeModelSortNewWithModel</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>TreeModelClass</span> <span class='hs-layout'>(</span><span class='hs-varid'>childModel</span> <span class='hs-varid'>row</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-100"></a>                              <span class='hs-conid'>TypedTreeModelClass</span> <span class='hs-varid'>childModel</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span>
<a name="line-101"></a>                              <span class='hs-varid'>childModel</span> <span class='hs-varid'>row</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>TypedTreeModelSort</span> <span class='hs-varid'>row</span><span class='hs-layout'>)</span>
<a name="line-102"></a><span class='hs-definition'>treeModelSortNewWithModel</span> <span class='hs-varid'>childModel</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>liftM</span> <span class='hs-varid'>unsafeTreeModelSortToGeneric</span> <span class='hs-varop'>$</span>
<a name="line-103"></a>  <span class='hs-varid'>constructNewGObject</span> <span class='hs-varid'>mkTreeModelSort</span> <span class='hs-varop'>$</span>
<a name="line-104"></a>  <span class='hs-varid'>liftM</span> <span class='hs-layout'>(</span><span class='hs-varid'>castPtr</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModel</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModelSort</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-105"></a>  <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>TreeModel</span> <span class='hs-varid'>arg1</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>arg1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>argPtr1</span> <span class='hs-keyglyph'>-&gt;</span><span class='hs-varid'>gtk_tree_model_sort_new_with_model</span> <span class='hs-varid'>argPtr1</span><span class='hs-layout'>)</span>
<a name="line-106"></a><span class='hs-comment'>{-# LINE 101 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-107"></a>    <span class='hs-layout'>(</span><span class='hs-varid'>toTreeModel</span> <span class='hs-varid'>childModel</span><span class='hs-layout'>)</span>
<a name="line-108"></a>
<a name="line-109"></a><span class='hs-comment'>--------------------</span>
<a name="line-110"></a><span class='hs-comment'>-- Methods</span>
<a name="line-111"></a>
<a name="line-112"></a><a name="treeModelSortGetModel"></a><span class='hs-comment'>-- | Returns the underlying model the 'TreeModelSort' is sorting.</span>
<a name="line-113"></a><span class='hs-comment'>--</span>
<a name="line-114"></a><span class='hs-definition'>treeModelSortGetModel</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TreeModelSortClass</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>TreeModel</span>
<a name="line-115"></a><span class='hs-definition'>treeModelSortGetModel</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=</span>
<a name="line-116"></a>  <span class='hs-varid'>makeNewGObject</span> <span class='hs-varid'>mkTreeModel</span> <span class='hs-varop'>$</span>
<a name="line-117"></a>  <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>TreeModelSort</span> <span class='hs-varid'>arg1</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>arg1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>argPtr1</span> <span class='hs-keyglyph'>-&gt;</span><span class='hs-varid'>gtk_tree_model_sort_get_model</span> <span class='hs-varid'>argPtr1</span><span class='hs-layout'>)</span>
<a name="line-118"></a><span class='hs-comment'>{-# LINE 112 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-119"></a>    <span class='hs-layout'>(</span><span class='hs-varid'>toTreeModelSort</span> <span class='hs-varid'>self</span><span class='hs-layout'>)</span>
<a name="line-120"></a>
<a name="line-121"></a><a name="treeModelSortConvertChildPathToPath"></a><span class='hs-comment'>-- | Converts the given path to a path relative to the given sorted model.</span>
<a name="line-122"></a><span class='hs-comment'>--</span>
<a name="line-123"></a><span class='hs-comment'>-- * The given path points to a row in the child model. The returned path will</span>
<a name="line-124"></a><span class='hs-comment'>-- point to the same row in the sorted model.</span>
<a name="line-125"></a><span class='hs-comment'>--</span>
<a name="line-126"></a><span class='hs-definition'>treeModelSortConvertChildPathToPath</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TreeModelSortClass</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-varid'>self</span>
<a name="line-127"></a> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>TreePath</span>
<a name="line-128"></a> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>TreePath</span>
<a name="line-129"></a><span class='hs-definition'>treeModelSortConvertChildPathToPath</span> <span class='hs-varid'>self</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-130"></a><span class='hs-definition'>treeModelSortConvertChildPathToPath</span> <span class='hs-varid'>self</span> <span class='hs-varid'>childPath</span> <span class='hs-keyglyph'>=</span>
<a name="line-131"></a>  <span class='hs-varid'>withTreePath</span> <span class='hs-varid'>childPath</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>childPath</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-132"></a>  <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>TreeModelSort</span> <span class='hs-varid'>arg1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>NativeTreePath</span> <span class='hs-varid'>arg2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>arg1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>argPtr1</span> <span class='hs-keyglyph'>-&gt;</span><span class='hs-varid'>gtk_tree_model_sort_convert_child_path_to_path</span> <span class='hs-varid'>argPtr1</span> <span class='hs-varid'>arg2</span><span class='hs-layout'>)</span>
<a name="line-133"></a><span class='hs-comment'>{-# LINE 126 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-134"></a>    <span class='hs-layout'>(</span><span class='hs-varid'>toTreeModelSort</span> <span class='hs-varid'>self</span><span class='hs-layout'>)</span>
<a name="line-135"></a>    <span class='hs-varid'>childPath</span>
<a name="line-136"></a>  <span class='hs-varop'>&gt;&gt;=</span> <span class='hs-varid'>fromTreePath</span>
<a name="line-137"></a>
<a name="line-138"></a><a name="treeModelSortConvertPathToChildPath"></a><span class='hs-comment'>-- | Converts path in the sorted model to a path on the unsorted model on which</span>
<a name="line-139"></a><span class='hs-comment'>-- the given 'TreeModelSort' is based. That is, the given path points to a</span>
<a name="line-140"></a><span class='hs-comment'>-- location in the given 'TreeModelSort'. The returned path will point to the</span>
<a name="line-141"></a><span class='hs-comment'>-- same location in the underlying unsorted model.</span>
<a name="line-142"></a><span class='hs-comment'>--</span>
<a name="line-143"></a><span class='hs-definition'>treeModelSortConvertPathToChildPath</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TreeModelSortClass</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-varid'>self</span>
<a name="line-144"></a> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>TreePath</span>
<a name="line-145"></a> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>TreePath</span>
<a name="line-146"></a><span class='hs-definition'>treeModelSortConvertPathToChildPath</span> <span class='hs-varid'>self</span> <span class='hs-conid'>[]</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>[]</span>
<a name="line-147"></a><span class='hs-definition'>treeModelSortConvertPathToChildPath</span> <span class='hs-varid'>self</span> <span class='hs-varid'>sortedPath</span> <span class='hs-keyglyph'>=</span>
<a name="line-148"></a>  <span class='hs-varid'>withTreePath</span> <span class='hs-varid'>sortedPath</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>sortedPath</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-149"></a>  <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>TreeModelSort</span> <span class='hs-varid'>arg1</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-conid'>NativeTreePath</span> <span class='hs-varid'>arg2</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>arg1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>argPtr1</span> <span class='hs-keyglyph'>-&gt;</span><span class='hs-varid'>gtk_tree_model_sort_convert_path_to_child_path</span> <span class='hs-varid'>argPtr1</span> <span class='hs-varid'>arg2</span><span class='hs-layout'>)</span>
<a name="line-150"></a><span class='hs-comment'>{-# LINE 142 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-151"></a>    <span class='hs-layout'>(</span><span class='hs-varid'>toTreeModelSort</span> <span class='hs-varid'>self</span><span class='hs-layout'>)</span>
<a name="line-152"></a>    <span class='hs-varid'>sortedPath</span>
<a name="line-153"></a>  <span class='hs-varop'>&gt;&gt;=</span> <span class='hs-varid'>fromTreePath</span>
<a name="line-154"></a>
<a name="line-155"></a><a name="treeModelSortConvertChildIterToIter"></a><span class='hs-comment'>-- | Return an iterator in the sorted model that points to the row pointed to</span>
<a name="line-156"></a><span class='hs-comment'>-- by the given iter from the unsorted model.</span>
<a name="line-157"></a><span class='hs-comment'>--</span>
<a name="line-158"></a><span class='hs-definition'>treeModelSortConvertChildIterToIter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TreeModelSortClass</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-varid'>self</span>
<a name="line-159"></a> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>TreeIter</span>
<a name="line-160"></a> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>TreeIter</span>
<a name="line-161"></a><span class='hs-definition'>treeModelSortConvertChildIterToIter</span> <span class='hs-varid'>self</span> <span class='hs-varid'>childIter</span> <span class='hs-keyglyph'>=</span>
<a name="line-162"></a>  <span class='hs-varid'>with</span> <span class='hs-varid'>childIter</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>childIterPtr</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-163"></a>  <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>sortIterPtr</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-164"></a>  <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>TreeModelSort</span> <span class='hs-varid'>arg1</span><span class='hs-layout'>)</span> <span class='hs-varid'>arg2</span> <span class='hs-varid'>arg3</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>arg1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>argPtr1</span> <span class='hs-keyglyph'>-&gt;</span><span class='hs-varid'>gtk_tree_model_sort_convert_child_iter_to_iter</span> <span class='hs-varid'>argPtr1</span> <span class='hs-varid'>arg2</span> <span class='hs-varid'>arg3</span><span class='hs-layout'>)</span>
<a name="line-165"></a><span class='hs-comment'>{-# LINE 156 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-166"></a>    <span class='hs-layout'>(</span><span class='hs-varid'>toTreeModelSort</span> <span class='hs-varid'>self</span><span class='hs-layout'>)</span>
<a name="line-167"></a>    <span class='hs-varid'>sortIterPtr</span>
<a name="line-168"></a>    <span class='hs-varid'>childIterPtr</span>
<a name="line-169"></a>  <span class='hs-varid'>peek</span> <span class='hs-varid'>sortIterPtr</span>
<a name="line-170"></a>
<a name="line-171"></a><a name="treeModelSortConvertIterToChildIter"></a><span class='hs-comment'>-- | Return an iterator in the unsorted model that points to the row pointed to</span>
<a name="line-172"></a><span class='hs-comment'>-- by the given iter from the sorted model.</span>
<a name="line-173"></a><span class='hs-comment'>--</span>
<a name="line-174"></a><span class='hs-definition'>treeModelSortConvertIterToChildIter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TreeModelSortClass</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-varid'>self</span>
<a name="line-175"></a> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>TreeIter</span>
<a name="line-176"></a> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>TreeIter</span>
<a name="line-177"></a><span class='hs-definition'>treeModelSortConvertIterToChildIter</span> <span class='hs-varid'>self</span> <span class='hs-varid'>sortedIter</span> <span class='hs-keyglyph'>=</span>
<a name="line-178"></a>  <span class='hs-varid'>with</span> <span class='hs-varid'>sortedIter</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>sortedIterPtr</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-179"></a>  <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>childIterPtr</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-180"></a>  <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>TreeModelSort</span> <span class='hs-varid'>arg1</span><span class='hs-layout'>)</span> <span class='hs-varid'>arg2</span> <span class='hs-varid'>arg3</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>arg1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>argPtr1</span> <span class='hs-keyglyph'>-&gt;</span><span class='hs-varid'>gtk_tree_model_sort_convert_iter_to_child_iter</span> <span class='hs-varid'>argPtr1</span> <span class='hs-varid'>arg2</span> <span class='hs-varid'>arg3</span><span class='hs-layout'>)</span>
<a name="line-181"></a><span class='hs-comment'>{-# LINE 171 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-182"></a>    <span class='hs-layout'>(</span><span class='hs-varid'>toTreeModelSort</span> <span class='hs-varid'>self</span><span class='hs-layout'>)</span>
<a name="line-183"></a>    <span class='hs-varid'>childIterPtr</span>
<a name="line-184"></a>    <span class='hs-varid'>sortedIterPtr</span>
<a name="line-185"></a>  <span class='hs-varid'>peek</span> <span class='hs-varid'>childIterPtr</span>
<a name="line-186"></a>
<a name="line-187"></a><a name="treeModelSortResetDefaultSortFunc"></a><span class='hs-comment'>-- | This resets the default sort function. As a consequence, the order of</span>
<a name="line-188"></a><span class='hs-comment'>-- this model will be the same order as that of the child model.</span>
<a name="line-189"></a><span class='hs-comment'>--</span>
<a name="line-190"></a><span class='hs-definition'>treeModelSortResetDefaultSortFunc</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TreeModelSortClass</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-191"></a><span class='hs-definition'>treeModelSortResetDefaultSortFunc</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=</span>
<a name="line-192"></a>  <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>TreeModelSort</span> <span class='hs-varid'>arg1</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>arg1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>argPtr1</span> <span class='hs-keyglyph'>-&gt;</span><span class='hs-varid'>gtk_tree_model_sort_reset_default_sort_func</span> <span class='hs-varid'>argPtr1</span><span class='hs-layout'>)</span>
<a name="line-193"></a><span class='hs-comment'>{-# LINE 182 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-194"></a>    <span class='hs-layout'>(</span><span class='hs-varid'>toTreeModelSort</span> <span class='hs-varid'>self</span><span class='hs-layout'>)</span>
<a name="line-195"></a>
<a name="line-196"></a><a name="treeModelSortClearCache"></a><span class='hs-comment'>-- | Clear the cache of unref'd iterators.</span>
<a name="line-197"></a><span class='hs-comment'>--</span>
<a name="line-198"></a><span class='hs-comment'>-- * This function should almost never be called. It clears the</span>
<a name="line-199"></a><span class='hs-comment'>-- 'TreeModelSort' of any cached iterators that haven't been reffed with</span>
<a name="line-200"></a><span class='hs-comment'>-- 'treeModelRefNode'. This might be useful if the child model being sorted is</span>
<a name="line-201"></a><span class='hs-comment'>-- static (and doesn't change often) and there has been a lot of unreffed</span>
<a name="line-202"></a><span class='hs-comment'>-- access to nodes. As a side effect of this function, all unreffed iters will</span>
<a name="line-203"></a><span class='hs-comment'>-- be invalid.</span>
<a name="line-204"></a><span class='hs-comment'>--</span>
<a name="line-205"></a><span class='hs-definition'>treeModelSortClearCache</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TreeModelSortClass</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span>
<a name="line-206"></a><span class='hs-definition'>treeModelSortClearCache</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=</span>
<a name="line-207"></a>  <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>TreeModelSort</span> <span class='hs-varid'>arg1</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>arg1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>argPtr1</span> <span class='hs-keyglyph'>-&gt;</span><span class='hs-varid'>gtk_tree_model_sort_clear_cache</span> <span class='hs-varid'>argPtr1</span><span class='hs-layout'>)</span>
<a name="line-208"></a><span class='hs-comment'>{-# LINE 196 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-209"></a>    <span class='hs-layout'>(</span><span class='hs-varid'>toTreeModelSort</span> <span class='hs-varid'>self</span><span class='hs-layout'>)</span>
<a name="line-210"></a>
<a name="line-211"></a>
<a name="line-212"></a><a name="treeModelSortIterIsValid"></a><span class='hs-comment'>-- | Checks if the given iter is a valid iter for this 'TreeModelSort'.</span>
<a name="line-213"></a><span class='hs-comment'>--</span>
<a name="line-214"></a><span class='hs-comment'>-- * WARNING: This function is slow. Only use it for debugging and\/or testing</span>
<a name="line-215"></a><span class='hs-comment'>-- purposes.</span>
<a name="line-216"></a><span class='hs-comment'>--</span>
<a name="line-217"></a><span class='hs-comment'>-- * Available since Gtk+ version 2.2</span>
<a name="line-218"></a><span class='hs-comment'>--</span>
<a name="line-219"></a><span class='hs-definition'>treeModelSortIterIsValid</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>TreeModelSortClass</span> <span class='hs-varid'>self</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-varid'>self</span>
<a name="line-220"></a> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>TreeIter</span> <span class='hs-comment'>-- ^ @iter@ - A 'TreeIter'.</span>
<a name="line-221"></a> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>IO</span> <span class='hs-conid'>Bool</span> <span class='hs-comment'>-- ^ returns @True@ if the iter is valid, @False@ if the iter is</span>
<a name="line-222"></a>             <span class='hs-comment'>-- invalid.</span>
<a name="line-223"></a><span class='hs-definition'>treeModelSortIterIsValid</span> <span class='hs-varid'>self</span> <span class='hs-varid'>iter</span> <span class='hs-keyglyph'>=</span>
<a name="line-224"></a>  <span class='hs-varid'>liftM</span> <span class='hs-varid'>toBool</span> <span class='hs-varop'>$</span>
<a name="line-225"></a>  <span class='hs-varid'>with</span> <span class='hs-varid'>iter</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>iterPtr</span> <span class='hs-keyglyph'>-&gt;</span>
<a name="line-226"></a>  <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-conid'>TreeModelSort</span> <span class='hs-varid'>arg1</span><span class='hs-layout'>)</span> <span class='hs-varid'>arg2</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>withForeignPtr</span> <span class='hs-varid'>arg1</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>argPtr1</span> <span class='hs-keyglyph'>-&gt;</span><span class='hs-varid'>gtk_tree_model_sort_iter_is_valid</span> <span class='hs-varid'>argPtr1</span> <span class='hs-varid'>arg2</span><span class='hs-layout'>)</span>
<a name="line-227"></a><span class='hs-comment'>{-# LINE 214 "./Graphics/UI/Gtk/ModelView/TreeModelSort.chs" #-}</span>
<a name="line-228"></a>    <span class='hs-layout'>(</span><span class='hs-varid'>toTreeModelSort</span> <span class='hs-varid'>self</span><span class='hs-layout'>)</span>
<a name="line-229"></a>    <span class='hs-varid'>iterPtr</span>
<a name="line-230"></a>
<a name="line-231"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>safe</span> <span class='hs-str'>"gtk_tree_model_sort_new_with_model"</span>
<a name="line-232"></a>  <span class='hs-varid'>gtk_tree_model_sort_new_with_model</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModel</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModel</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-233"></a>
<a name="line-234"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>safe</span> <span class='hs-str'>"gtk_tree_model_sort_get_model"</span>
<a name="line-235"></a>  <span class='hs-varid'>gtk_tree_model_sort_get_model</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModelSort</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModel</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-236"></a>
<a name="line-237"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>safe</span> <span class='hs-str'>"gtk_tree_model_sort_convert_child_path_to_path"</span>
<a name="line-238"></a>  <span class='hs-varid'>gtk_tree_model_sort_convert_child_path_to_path</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModelSort</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>NativeTreePath</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>NativeTreePath</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-239"></a>
<a name="line-240"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>safe</span> <span class='hs-str'>"gtk_tree_model_sort_convert_path_to_child_path"</span>
<a name="line-241"></a>  <span class='hs-varid'>gtk_tree_model_sort_convert_path_to_child_path</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModelSort</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>NativeTreePath</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>NativeTreePath</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-242"></a>
<a name="line-243"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>safe</span> <span class='hs-str'>"gtk_tree_model_sort_convert_child_iter_to_iter"</span>
<a name="line-244"></a>  <span class='hs-varid'>gtk_tree_model_sort_convert_child_iter_to_iter</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModelSort</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeIter</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeIter</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span> <span class='hs-conid'>CInt</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-245"></a>
<a name="line-246"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>safe</span> <span class='hs-str'>"gtk_tree_model_sort_convert_iter_to_child_iter"</span>
<a name="line-247"></a>  <span class='hs-varid'>gtk_tree_model_sort_convert_iter_to_child_iter</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModelSort</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeIter</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeIter</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-248"></a>
<a name="line-249"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>safe</span> <span class='hs-str'>"gtk_tree_model_sort_reset_default_sort_func"</span>
<a name="line-250"></a>  <span class='hs-varid'>gtk_tree_model_sort_reset_default_sort_func</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModelSort</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-251"></a>
<a name="line-252"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>safe</span> <span class='hs-str'>"gtk_tree_model_sort_clear_cache"</span>
<a name="line-253"></a>  <span class='hs-varid'>gtk_tree_model_sort_clear_cache</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModelSort</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-254"></a>
<a name="line-255"></a><span class='hs-keyword'>foreign</span> <span class='hs-keyword'>import</span> <span class='hs-keyword'>ccall</span> <span class='hs-keyword'>safe</span> <span class='hs-str'>"gtk_tree_model_sort_iter_is_valid"</span>
<a name="line-256"></a>  <span class='hs-varid'>gtk_tree_model_sort_iter_is_valid</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeModelSort</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span> <span class='hs-conid'>TreeIter</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span> <span class='hs-conid'>CInt</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
</pre></body>
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