~ubuntu-branches/ubuntu/natty/pygtk/natty-proposed

<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>gtk.TreeSortable</title><link rel="stylesheet" href="style.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="PyGTK 2.0 Reference Manual"><link rel="up" href="gtk-class-reference.html" title="The gtk Class Reference"><link rel="prev" href="class-gtktreeselection.html" title="gtk.TreeSelection"><link rel="next" href="class-gtktreestore.html" title="gtk.TreeStore"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">gtk.TreeSortable</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="class-gtktreeselection.html">Prev</a> </td><th width="60%" align="center">The gtk Class Reference</th><td width="20%" align="right"> <a accesskey="n" href="class-gtktreestore.html">Next</a></td></tr></table><hr></div><div class="refentry" lang="en"><a name="class-gtktreesortable"></a><div class="titlepage"></div><div class="refnamediv"><h2>gtk.TreeSortable</h2><p>gtk.TreeSortable — an interface for sorting a <a class="link" href="class-gtktreemodel.html" title="gtk.TreeModel"><code class="classname">gtk.TreeModel</code></a></p></div><div class="refsect1" lang="en"><a name="id3807604"></a><h2>Synopsis</h2><table bgcolor="#D0E0F0" width="100%"><tr><td><pre class="classsynopsis">class <span class="ooclass"><span class="classname">gtk.TreeSortable</span></span>(<span class="ooclass"><span class="classname">gobject.GInterface</span></span>):

<code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--sort-column-changed" title="gtk.TreeSortable.sort_column_changed">sort_column_changed</a></span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--get-sort-column-id" title="gtk.TreeSortable.get_sort_column_id">get_sort_column_id</a></span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--set-sort-column-id" title="gtk.TreeSortable.set_sort_column_id">set_sort_column_id</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>sort_column_id</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>order</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--set-sort-func" title="gtk.TreeSortable.set_sort_func">set_sort_func</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_column_id</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_func</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_data</code></em></span><span class="initializer">=None</span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--set-default-sort-func" title="gtk.TreeSortable.set_default_sort_func">set_default_sort_func</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_func</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_data</code></em></span><span class="initializer">=None</span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--has-default-sort-func" title="gtk.TreeSortable.has_default_sort_func">has_default_sort_func</a></span>(<span class="methodparam"></span>)</code><br></pre></td></tr></table></div><div class="refsect1" lang="en"><a name="signal-prototypes-gtktreesortable"></a><h2>gtk.TreeSortable Signal Prototypes</h2><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term">"<a class="link" href="class-gtktreesortable.html#signal-gtktreesortable--sort-column-changed" title='The "sort-column-changed" gtk.TreeSortable Signal'>sort-column-changed</a>"</span></p></td><td><code class="methodsynopsis"> def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>treesortable</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param1</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr></tbody></table></div><div class="refsect1" lang="en"><a name="id3807904"></a><h2>Description</h2><p>The <a class="link" href="class-gtktreesortable.html" title="gtk.TreeSortable"><code class="classname">gtk.TreeSortable</code></a>

<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>gtk.TreeSortable</title><link rel="stylesheet" href="style.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.75.1"><link rel="home" href="index.html" title="PyGTK 2.0 Reference Manual"><link rel="up" href="gtk-class-reference.html" title="The gtk Class Reference"><link rel="prev" href="class-gtktreeselection.html" title="gtk.TreeSelection"><link rel="next" href="class-gtktreestore.html" title="gtk.TreeStore"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">gtk.TreeSortable</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="class-gtktreeselection.html">Prev</a> </td><th width="60%" align="center">The gtk Class Reference</th><td width="20%" align="right"> <a accesskey="n" href="class-gtktreestore.html">Next</a></td></tr></table><hr></div><div class="refentry" title="gtk.TreeSortable"><a name="class-gtktreesortable"></a><div class="titlepage"></div><div class="refnamediv"><h2>gtk.TreeSortable</h2><p>gtk.TreeSortable — an interface for sorting a <a class="link" href="class-gtktreemodel.html" title="gtk.TreeModel"><code class="classname">gtk.TreeModel</code></a></p></div><div class="refsect1" title="Synopsis"><a name="id4117669"></a><h2>Synopsis</h2><table bgcolor="#D0E0F0" width="100%"><tr><td><pre class="classsynopsis">class <span class="ooclass"><span class="classname">gtk.TreeSortable</span></span>(<span class="ooclass"><span class="classname">gobject.GInterface</span></span>):

<code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--sort-column-changed" title="gtk.TreeSortable.sort_column_changed">sort_column_changed</a></span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--get-sort-column-id" title="gtk.TreeSortable.get_sort_column_id">get_sort_column_id</a></span>(<span class="methodparam"></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--set-sort-column-id" title="gtk.TreeSortable.set_sort_column_id">set_sort_column_id</a></span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>sort_column_id</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>order</code></strong></span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--set-sort-func" title="gtk.TreeSortable.set_sort_func">set_sort_func</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_column_id</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_func</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_data</code></em></span><span class="initializer">=None</span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--set-default-sort-func" title="gtk.TreeSortable.set_default_sort_func">set_default_sort_func</a></span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_func</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_data</code></em></span><span class="initializer">=None</span></span>)</code><br><code class="methodsynopsis"> def <span class="methodname"><a class="link" href="class-gtktreesortable.html#method-gtktreesortable--has-default-sort-func" title="gtk.TreeSortable.has_default_sort_func">has_default_sort_func</a></span>(<span class="methodparam"></span>)</code><br></pre></td></tr></table></div><div class="refsect1" title="gtk.TreeSortable Signal Prototypes"><a name="signal-prototypes-gtktreesortable"></a><h2>gtk.TreeSortable Signal Prototypes</h2><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term">"<a class="link" href="class-gtktreesortable.html#signal-gtktreesortable--sort-column-changed" title='The "sort-column-changed" gtk.TreeSortable Signal'>sort-column-changed</a>"</span></p></td><td><code class="methodsynopsis"> def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>treesortable</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param1</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></td></tr></tbody></table></div><div class="refsect1" title="Description"><a name="id4117969"></a><h2>Description</h2><p>The <a class="link" href="class-gtktreesortable.html" title="gtk.TreeSortable"><code class="classname">gtk.TreeSortable</code></a>

interface provide the common methods for a <a class="link" href="class-gtktreemodel.html" title="gtk.TreeModel"><code class="classname">gtk.TreeModel</code></a> to

implement a sorted model for a <a class="link" href="class-gtktreeview.html" title="gtk.TreeView"><code class="classname">gtk.TreeView</code></a>. See

the <a class="link" href="class-gtktreemodelsort.html" title="gtk.TreeModelSort"><code class="classname">gtk.TreeModelSort</code></a>

<a class="link" href="class-gtktreestore.html" title="gtk.TreeStore"><code class="classname">gtk.TreeStore</code></a>

objects automatically setup sort column IDs corresponding to the columns in

the store. These sort column IDs are associated with an internal comparison

function that handles the fundamental types:</p><div class="itemizedlist"><ul type="disc"><li>gboolean</li><li>str</li><li>int</li><li>long</li><li>float</li></ul></div><div class="note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>Once a sort column ID has been set on a <a class="link" href="class-gtktreemodel.html" title="gtk.TreeModel"><code class="classname">gtk.TreeModel</code></a>

function that handles the fundamental types:</p><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem">gboolean</li><li class="listitem">str</li><li class="listitem">int</li><li class="listitem">long</li><li class="listitem">float</li></ul></div><div class="note" title="Note" style="margin-left: 0.5in; margin-right: 0.5in;"><h3 class="title">Note</h3><p>Once a sort column ID has been set on a <a class="link" href="class-gtktreemodel.html" title="gtk.TreeModel"><code class="classname">gtk.TreeModel</code></a>

implementing the <a class="link" href="class-gtktreesortable.html" title="gtk.TreeSortable"><code class="classname">gtk.TreeSortable</code></a>

interface it cannot be returned to the original unsorted state. You can

change the sort function or use a default sort function but you cannot set

the <a class="link" href="class-gtktreemodel.html" title="gtk.TreeModel"><code class="classname">gtk.TreeModel</code></a> to

have no sort function.</p></div></div><div class="refsect1" lang="en"><a name="id3808088"></a><h2>Methods</h2><div class="refsect2" lang="en"><a name="method-gtktreesortable--sort-column-changed"></a><h3>gtk.TreeSortable.sort_column_changed</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">sort_column_changed</span>(<span class="methodparam"></span>)</code></pre><p>The <code class="methodname">sort_column_changed</code>() method emits

the "sort_column_changed" signal on the treesortable object.</p></div><div class="refsect2" lang="en"><a name="method-gtktreesortable--get-sort-column-id"></a><h3>gtk.TreeSortable.get_sort_column_id</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">get_sort_column_id</span>(<span class="methodparam"></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a tuple containing the sort column id and the

have no sort function.</p></div></div><div class="refsect1" title="Methods"><a name="id4118153"></a><h2>Methods</h2><div class="refsect2" title="gtk.TreeSortable.sort_column_changed"><a name="method-gtktreesortable--sort-column-changed"></a><h3>gtk.TreeSortable.sort_column_changed</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">sort_column_changed</span>(<span class="methodparam"></span>)</code></pre><p>The <code class="methodname">sort_column_changed</code>() method emits

the "sort_column_changed" signal on the treesortable object.</p></div><div class="refsect2" title="gtk.TreeSortable.get_sort_column_id"><a name="method-gtktreesortable--get-sort-column-id"></a><h3>gtk.TreeSortable.get_sort_column_id</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">get_sort_column_id</span>(<span class="methodparam"></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td>a tuple containing the sort column id and the

sort type: <code class="literal">gtk.SORT_ASCENDING</code> or

<code class="literal">gtk.SORT_DESCENDING</code></td></tr></tbody></table><p>The <code class="methodname">get_sort_column_id</code>() method returns

a tuple containing the current sort column ID and the sort type (either

ID is not set, then the tuple <code class="literal">(-2, 0)</code> is returned. If the

sort column ID is set to -1 indicating the default sort function is to be

used this method returns (<code class="literal">None</code>,

<code class="literal">None</code>)</p></div><div class="refsect2" lang="en"><a name="method-gtktreesortable--set-sort-column-id"></a><h3>gtk.TreeSortable.set_sort_column_id</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">set_sort_column_id</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>sort_column_id</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>order</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>sort_column_id</code></strong> :</span></p></td><td>the sort column id to set</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>order</code></strong> :</span></p></td><td>the sort order:

<code class="literal">None</code>)</p></div><div class="refsect2" title="gtk.TreeSortable.set_sort_column_id"><a name="method-gtktreesortable--set-sort-column-id"></a><h3>gtk.TreeSortable.set_sort_column_id</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">set_sort_column_id</span>(<span class="methodparam"><span class="parameter"><strong class="parameter"><code>sort_column_id</code></strong></span></span>, <span class="methodparam"><span class="parameter"><strong class="parameter"><code>order</code></strong></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><strong class="parameter"><code>sort_column_id</code></strong> :</span></p></td><td>the sort column id to set</td></tr><tr><td><p><span class="term"><strong class="parameter"><code>order</code></strong> :</span></p></td><td>the sort order:

<code class="literal">gtk.SORT_ASCENDING</code> or

<code class="literal">gtk.SORT_DESCENDING</code></td></tr></tbody></table><p>The <code class="methodname">set_sort_column_id</code>() method sets

the current sort comparison function to that associated with the sort column

<code class="literal">gtk.SORT_DESCENDING</code>. The treesortable will resort itself

to reflect this change, after emitting a "sort_column_changed" signal.</p><p>If <em class="parameter"><code>sort_column_id</code></em> is -1, then the default

sort function will be used, if it is set. If a default sort function is not

set then the sort column ID is not changed.</p></div><div class="refsect2" lang="en"><a name="method-gtktreesortable--set-sort-func"></a><h3>gtk.TreeSortable.set_sort_func</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">set_sort_func</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_column_id</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_func</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_data</code></em></span><span class="initializer">=None</span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>sort_column_id</code></em> :</span></p></td><td>the sort column id to set the function

set then the sort column ID is not changed.</p></div><div class="refsect2" title="gtk.TreeSortable.set_sort_func"><a name="method-gtktreesortable--set-sort-func"></a><h3>gtk.TreeSortable.set_sort_func</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">set_sort_func</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_column_id</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_func</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_data</code></em></span><span class="initializer">=None</span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>sort_column_id</code></em> :</span></p></td><td>the sort column id to set the function

for</td></tr><tr><td><p><span class="term"><em class="parameter"><code>sort_func</code></em> :</span></p></td><td>The sorting function</td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td><td>the user data to pass to the sort func, or

<code class="literal">None</code></td></tr></tbody></table><p>The <code class="methodname">set_sort_func</code>() method sets the

comparison function (or method) used when sorting on the sort column ID

<em class="parameter"><code>iter1</code></em> row should come before the

<em class="parameter"><code>iter2</code></em> row, 0 if the rows are equal, or 1 if the

<em class="parameter"><code>iter1</code></em> row should come after the

<em class="parameter"><code>iter2</code></em> row.</p></div><div class="refsect2" lang="en"><a name="method-gtktreesortable--set-default-sort-func"></a><h3>gtk.TreeSortable.set_default_sort_func</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">set_default_sort_func</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_func</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_data</code></em></span><span class="initializer">=None</span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>sort_func</code></em> :</span></p></td><td>the sorting function</td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td><td>the user data to pass to

<em class="parameter"><code>iter2</code></em> row.</p></div><div class="refsect2" title="gtk.TreeSortable.set_default_sort_func"><a name="method-gtktreesortable--set-default-sort-func"></a><h3>gtk.TreeSortable.set_default_sort_func</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">set_default_sort_func</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>sort_func</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_data</code></em></span><span class="initializer">=None</span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>sort_func</code></em> :</span></p></td><td>the sorting function</td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td><td>the user data to pass to

<em class="parameter"><code>sort_func</code></em>, or

<code class="literal">None</code></td></tr></tbody></table><p>The <code class="methodname">set_default_sort_func</code>() method sets

the default comparison function (or method) to the value of

<code class="literal">None</code> to have no default comparison function. This means

that once the model has been sorted, it can't go back to the default

state. In this case, when the current sort column id of sortable is -1, the

model will be unsorted.</p></div><div class="refsect2" lang="en"><a name="method-gtktreesortable--has-default-sort-func"></a><h3>gtk.TreeSortable.has_default_sort_func</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">has_default_sort_func</span>(<span class="methodparam"></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td><code class="literal">True</code>, if the model has a

model will be unsorted.</p></div><div class="refsect2" title="gtk.TreeSortable.has_default_sort_func"><a name="method-gtktreesortable--has-default-sort-func"></a><h3>gtk.TreeSortable.has_default_sort_func</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">has_default_sort_func</span>(<span class="methodparam"></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td><code class="literal">True</code>, if the model has a

default sort function</td></tr></tbody></table><p>The <code class="methodname">has_default_sort_func</code>() method

returns <code class="literal">True</code> if the model has a default sort function.

This is used primarily by <a class="link" href="class-gtktreeviewcolumn.html" title="gtk.TreeViewColumn"><code class="classname">gtk.TreeViewColumn</code></a>

to determine if a model can go back to the default state, or not.</p></div></div><div class="refsect1" lang="en"><a name="id3809015"></a><h2>Signals</h2><div class="refsect2" lang="en"><a name="signal-gtktreesortable--sort-column-changed"></a><h3>The "sort-column-changed" gtk.TreeSortable Signal</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>treesortable</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param1</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>treesortable</code></em> :</span></p></td><td>the treesortable that received the

to determine if a model can go back to the default state, or not.</p></div></div><div class="refsect1" title="Signals"><a name="id4119080"></a><h2>Signals</h2><div class="refsect2" title='The "sort-column-changed" gtk.TreeSortable Signal'><a name="signal-gtktreesortable--sort-column-changed"></a><h3>The "sort-column-changed" gtk.TreeSortable Signal</h3><pre class="programlisting"><code class="methodsynopsis"> def <span class="methodname">callback</span>(<span class="methodparam"><span class="parameter"><em class="parameter"><code>treesortable</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>user_param1</code></em></span></span>, <span class="methodparam"><span class="parameter"><em class="parameter"><code>...</code></em></span></span>)</code></pre><table border="0" width="100%" bgcolor="#FFECCE"><col align="left" valign="top" width="0*"><tbody><tr><td><p><span class="term"><em class="parameter"><code>treesortable</code></em> :</span></p></td><td>the treesortable that received the

signal</td></tr><tr><td><p><span class="term"><em class="parameter"><code>user_param1</code></em> :</span></p></td><td>the first user parameter (if any) specified

with the <PYGTKDOCLINK HREF="method-gobject--connect"><code class="methodname">connect</code>()</PYGTKDOCLINK>

method</td></tr><tr><td><p><span class="term"><em class="parameter"><code>...</code></em> :</span></p></td><td>additional user parameters (if

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