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<title>Filters: Dee Reference Manual</title>
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<a href="#dee-1.0-Filters.description" class="shortcut">Description</a></span>
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<a name="dee-1.0-Filters"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="dee-1.0-Filters.top_of_page"></a>Filters</span></h2>
<p>Filters — A suite of simple <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a>s for use with <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a>s</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="dee-1.0-Filters.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="dee-1.0-Filters.html#DeeFilterMapFunc" title="DeeFilterMapFunc ()">*DeeFilterMapFunc</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<span class="c_punctuation">(</span><a class="link" href="dee-1.0-Filters.html#DeeFilterMapNotify" title="DeeFilterMapNotify ()">*DeeFilterMapNotify</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="dee-1.0-Filters.html#dee-filter-notify" title="dee_filter_notify ()">dee_filter_notify</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="dee-1.0-Filters.html#dee-filter-map" title="dee_filter_map ()">dee_filter_map</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="dee-1.0-Filters.html#dee-filter-destroy" title="dee_filter_destroy ()">dee_filter_destroy</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="dee-1.0-Filters.html#dee-filter-new" title="dee_filter_new ()">dee_filter_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="dee-1.0-Filters.html#dee-filter-new-sort" title="dee_filter_new_sort ()">dee_filter_new_sort</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="dee-1.0-Filters.html#dee-filter-new-collator" title="dee_filter_new_collator ()">dee_filter_new_collator</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="dee-1.0-Filters.html#dee-filter-new-collator-desc" title="dee_filter_new_collator_desc ()">dee_filter_new_collator_desc</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="dee-1.0-Filters.html#dee-filter-new-for-key-column" title="dee_filter_new_for_key_column ()">dee_filter_new_for_key_column</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="dee-1.0-Filters.html#dee-filter-new-for-any-column" title="dee_filter_new_for_any_column ()">dee_filter_new_for_any_column</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="dee-1.0-Filters.html#dee-filter-new-regex" title="dee_filter_new_regex ()">dee_filter_new_regex</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="dee-1.0-Filters.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword"> </td>
<td class="function_name"><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter">DeeFilter</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="dee-1.0-Filters.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <dee.h>
</pre>
</div>
<div class="refsect1">
<a name="dee-1.0-Filters.description"></a><h2>Description</h2>
<p><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a>s are used together with <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a>s to build
"views" of some original <a class="link" href="DeeModel.html" title="DeeModel"><span class="type">DeeModel</span></a>. An example could be to build a view
of a model that exposes the rows of the original model sorted by a given
column (leaving the original model unaltered):</p>
<div class="informalexample">
<table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td class="listing_lines" align="right"><pre>1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17</pre></td>
<td class="listing_code"><pre class="programlisting">DeeModel <span class="gtkdoc opt">*</span>model<span class="gtkdoc opt">, *</span>view<span class="gtkdoc opt">;</span>
DeeFilter <span class="gtkdoc opt">*</span>collator<span class="gtkdoc opt">;</span>
<span class="gtkdoc slc">// Create and populate a model with some unsorted rows</span>
model <span class="gtkdoc opt">=</span> <span class="function"><a href="DeeSequenceModel.html#dee-sequence-model-new">dee_sequence_model_new</a></span> <span class="gtkdoc opt">();</span>
<span class="function"><a href="DeeModel.html#dee-model-set-schema">dee_model_set_schema</a></span> <span class="gtkdoc opt">(</span>model<span class="gtkdoc opt">,</span> <span class="string">"i"</span><span class="gtkdoc opt">,</span> <span class="string">"s"</span><span class="gtkdoc opt">,</span> NULL<span class="gtkdoc opt">);</span>
<span class="function"><a href="DeeModel.html#dee-model-append">dee_model_append</a></span> <span class="gtkdoc opt">(</span>model<span class="gtkdoc opt">,</span> <span class="number">27</span><span class="gtkdoc opt">,</span> <span class="string">"Foo"</span><span class="gtkdoc opt">);</span>
<span class="function"><a href="DeeModel.html#dee-model-append">dee_model_append</a></span> <span class="gtkdoc opt">(</span>model<span class="gtkdoc opt">,</span> <span class="number">68</span><span class="gtkdoc opt">,</span> <span class="string">"Bar"</span><span class="gtkdoc opt">);</span>
<span class="gtkdoc slc">// Create a collator for column 1</span>
collator <span class="gtkdoc opt">=</span> <span class="function"><a href="dee-1.0-Filters.html#dee-filter-new-collator">dee_filter_new_collator</a></span> <span class="gtkdoc opt">(</span><span class="number">1</span><span class="gtkdoc opt">);</span>
<span class="gtkdoc slc">// Create the sorted view</span>
view <span class="gtkdoc opt">=</span> <span class="function"><a href="DeeFilterModel.html#dee-filter-model-new">dee_filter_model_new</a></span> <span class="gtkdoc opt">(</span>collator<span class="gtkdoc opt">,</span> model<span class="gtkdoc opt">);</span>
<span class="function">g_free</span> <span class="gtkdoc opt">(</span>collator<span class="gtkdoc opt">);</span>
<span class="gtkdoc slc">// When accessing the view the row with 'Bar' will be first</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p></p>
</div>
<div class="refsect1">
<a name="dee-1.0-Filters.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="DeeFilterMapFunc"></a><h3>DeeFilterMapFunc ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
<span class="c_punctuation">(</span>*DeeFilterMapFunc<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="DeeModel.html" title="DeeModel"><span class="type">DeeModel</span></a> *orig_model</code></em>,
<em class="parameter"><code><a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> *filter_model</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
<p>Function used to collect the rows from a model that should be included in
a <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a>. To add rows to <em class="parameter"><code>filter_model</code></em>
use the methods
<a class="link" href="DeeFilterModel.html#dee-filter-model-append-iter" title="dee_filter_model_append_iter ()"><code class="function">dee_filter_model_append_iter()</code></a>, <a class="link" href="DeeFilterModel.html#dee-filter-model-prepend-iter" title="dee_filter_model_prepend_iter ()"><code class="function">dee_filter_model_prepend_iter()</code></a>,
<a class="link" href="DeeFilterModel.html#dee-filter-model-insert-iter" title="dee_filter_model_insert_iter ()"><code class="function">dee_filter_model_insert_iter()</code></a>, and <a class="link" href="DeeFilterModel.html#dee-filter-model-insert-iter-before" title="dee_filter_model_insert_iter_before ()"><code class="function">dee_filter_model_insert_iter_before()</code></a>.</p>
<p>The iteration over the original model is purposely left to the map func
in order to allow optimized iterations if the the caller has a priori
knowledge of the sorting and grouping of the data in the original model.</p>
<div class="refsect3">
<a name="DeeFilterMapFunc.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>orig_model</p></td>
<td class="parameter_description"><p>The model containing the original data to filter</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>filter_model</p></td>
<td class="parameter_description"><p>The model that will contain the filtered results. The
filter func must iterate over <em class="parameter"><code>orig_model</code></em>
and add all relevant
rows to <em class="parameter"><code>filter_model</code></em>
. This model is guaranteed to be empty
when the filter func is invoked</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>User data passed together with the filter func. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="DeeFilterMapNotify"></a><h3>DeeFilterMapNotify ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
<span class="c_punctuation">(</span>*DeeFilterMapNotify<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="DeeModel.html" title="DeeModel"><span class="type">DeeModel</span></a> *orig_model</code></em>,
<em class="parameter"><code><a class="link" href="DeeModel.html#DeeModelIter"><span class="type">DeeModelIter</span></a> *orig_iter</code></em>,
<em class="parameter"><code><a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> *filter_model</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> user_data</code></em>);</pre>
<p>Callback invoked when a row is added to <em class="parameter"><code>orig_model</code></em>
. To add rows to
<em class="parameter"><code>filter_model</code></em>
use the methods <a class="link" href="DeeFilterModel.html#dee-filter-model-append-iter" title="dee_filter_model_append_iter ()"><code class="function">dee_filter_model_append_iter()</code></a>,
<a class="link" href="DeeFilterModel.html#dee-filter-model-prepend-iter" title="dee_filter_model_prepend_iter ()"><code class="function">dee_filter_model_prepend_iter()</code></a>, <a class="link" href="DeeFilterModel.html#dee-filter-model-insert-iter" title="dee_filter_model_insert_iter ()"><code class="function">dee_filter_model_insert_iter()</code></a>,
and <a class="link" href="DeeFilterModel.html#dee-filter-model-insert-iter-before" title="dee_filter_model_insert_iter_before ()"><code class="function">dee_filter_model_insert_iter_before()</code></a>.</p>
<div class="refsect3">
<a name="DeeFilterMapNotify.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>orig_model</p></td>
<td class="parameter_description"><p>The model containing the added row</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>orig_iter</p></td>
<td class="parameter_description"><p>A <a class="link" href="DeeModel.html#DeeModelIter"><span class="type">DeeModelIter</span></a> pointing to the new row in <em class="parameter"><code>orig_model</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>filter_model</p></td>
<td class="parameter_description"><p>The model that was also passed to the <span class="type">DeeModelMapFunc</span>
of the <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> this functions is a part of</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>User data for the <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="DeeFilterMapNotify.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if <em class="parameter"><code>orig_iter</code></em>
was added to <em class="parameter"><code>filter_model</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-filter-notify"></a><h3>dee_filter_notify ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
dee_filter_notify (<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> *filter</code></em>,
<em class="parameter"><code><a class="link" href="DeeModel.html#DeeModelIter"><span class="type">DeeModelIter</span></a> *orig_iter</code></em>,
<em class="parameter"><code><a class="link" href="DeeModel.html" title="DeeModel"><span class="type">DeeModel</span></a> *orig_model</code></em>,
<em class="parameter"><code><a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> *filter_model</code></em>);</pre>
<p>Call the <a class="link" href="dee-1.0-Filters.html#DeeFilterMapNotify" title="DeeFilterMapNotify ()"><span class="type">DeeFilterMapNotify</span></a> function of a <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a>.
When using a <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> you should not call this method yourself.</p>
<div class="refsect3">
<a name="dee-filter-notify.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>filter</p></td>
<td class="parameter_description"><p>The filter to apply</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>orig_iter</p></td>
<td class="parameter_description"><p>The <a class="link" href="DeeModel.html#DeeModelIter"><span class="type">DeeModelIter</span></a> added to <em class="parameter"><code>orig_model</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>orig_model</p></td>
<td class="parameter_description"><p>The model that is being filtered</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>filter_model</p></td>
<td class="parameter_description"><p>The <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> that holds the
filtered subset of <em class="parameter"><code>orig_model</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="dee-filter-notify.returns"></a><h4>Returns</h4>
<p> The return value from the <a class="link" href="dee-1.0-Filters.html#DeeFilterMapNotify" title="DeeFilterMapNotify ()"><span class="type">DeeFilterMapNotify</span></a>. That is; <code class="literal">TRUE</code>
if <em class="parameter"><code>orig_iter</code></em>
was added to <em class="parameter"><code>filter_model</code></em>
</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-filter-map"></a><h3>dee_filter_map ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
dee_filter_map (<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> *filter</code></em>,
<em class="parameter"><code><a class="link" href="DeeModel.html" title="DeeModel"><span class="type">DeeModel</span></a> *orig_model</code></em>,
<em class="parameter"><code><a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> *filter_model</code></em>);</pre>
<p>Call the <a class="link" href="dee-1.0-Filters.html#DeeFilterMapFunc" title="DeeFilterMapFunc ()"><span class="type">DeeFilterMapFunc</span></a> function of a <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a>.
When using a <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> you should not call this method yourself.</p>
<div class="refsect3">
<a name="dee-filter-map.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>filter</p></td>
<td class="parameter_description"><p>The filter to apply</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>orig_model</p></td>
<td class="parameter_description"><p>The model that is being filtered</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>filter_model</p></td>
<td class="parameter_description"><p>The <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> that holds the
filtered subset of <em class="parameter"><code>orig_model</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-filter-destroy"></a><h3>dee_filter_destroy ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
dee_filter_destroy (<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> *filter</code></em>);</pre>
<p>Call the <span class="type">GDestroyNotify</span> function on the userdata pointer of a <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a>
(if the destroy member is set, that is).</p>
<p>When using a <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> you should not call this method yourself.</p>
<p>This method will not free the memory allocated for <em class="parameter"><code>filter</code></em>
.</p>
<div class="refsect3">
<a name="dee-filter-destroy.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>filter</p></td>
<td class="parameter_description"><p>The filter to destroy</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-filter-new"></a><h3>dee_filter_new ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
dee_filter_new (<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilterMapFunc" title="DeeFilterMapFunc ()"><span class="type">DeeFilterMapFunc</span></a> map_func</code></em>,
<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilterMapNotify" title="DeeFilterMapNotify ()"><span class="type">DeeFilterMapNotify</span></a> map_notify</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> userdata</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> destroy</code></em>,
<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> *out_filter</code></em>);</pre>
<p>Create a new <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> with the given parameters. This call will zero
the <em class="parameter"><code>out_filter</code></em>
struct.</p>
<div class="refsect3">
<a name="dee-filter-new.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>map_func</p></td>
<td class="parameter_description"><p>The <a class="link" href="dee-1.0-Filters.html#DeeFilterMapFunc" title="DeeFilterMapFunc ()"><span class="type">DeeFilterMapFunc</span></a> to use for the filter. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>map_notify</p></td>
<td class="parameter_description"><p>The <a class="link" href="dee-1.0-Filters.html#DeeFilterMapNotify" title="DeeFilterMapNotify ()"><span class="type">DeeFilterMapNotify</span></a> to use for the filter. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>userdata</p></td>
<td class="parameter_description"><p>The user data to pass to <em class="parameter"><code>map_func</code></em>
and <em class="parameter"><code>map_notify</code></em>
. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>destroy</p></td>
<td class="parameter_description"><p>The <span class="type">GDestroyNotify</span> to call on
<em class="parameter"><code>userdata</code></em>
when disposing of the filter. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>out_filter</p></td>
<td class="parameter_description"><p>A pointer to an uninitialized <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> struct.
This struct will zeroed and configured with the filter
parameters. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-filter-new-sort"></a><h3>dee_filter_new_sort ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
dee_filter_new_sort (<em class="parameter"><code><a class="link" href="DeeModel.html#DeeCompareRowFunc" title="DeeCompareRowFunc ()"><span class="type">DeeCompareRowFunc</span></a> cmp_row</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> cmp_user_data</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> cmp_destroy</code></em>,
<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> *out_filter</code></em>);</pre>
<p>Create a new <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> sorting a model according to a <a class="link" href="DeeModel.html#DeeCompareRowFunc" title="DeeCompareRowFunc ()"><span class="type">DeeCompareRowFunc</span></a>.</p>
<div class="refsect3">
<a name="dee-filter-new-sort.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>cmp_row</p></td>
<td class="parameter_description"><p>A <a class="link" href="DeeModel.html#DeeCompareRowFunc" title="DeeCompareRowFunc ()"><span class="type">DeeCompareRowFunc</span></a> to use for sorting. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>cmp_user_data</p></td>
<td class="parameter_description"><p>User data passed to <em class="parameter"><code>cmp_row</code></em>
. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>cmp_destroy</p></td>
<td class="parameter_description"><p>The <span class="type">GDestroyNotify</span> to call on
<em class="parameter"><code>cmp_user_data</code></em>
when disposing of the filter. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>out_filter</p></td>
<td class="parameter_description"><p>A pointer to an uninitialized <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> struct.
This struct will zeroed and configured with the filter
parameters. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-filter-new-collator"></a><h3>dee_filter_new_collator ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
dee_filter_new_collator (<em class="parameter"><code><span class="type">guint</span> column</code></em>,
<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> *out_filter</code></em>);</pre>
<p>Create a <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> that takes string values from a column in the model
and builds a <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> with the rows sorted according to the
collation rules of the current locale.</p>
<div class="refsect3">
<a name="dee-filter-new-collator.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>column</p></td>
<td class="parameter_description"><p>The index of a column containing the strings to sort after</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>out_filter</p></td>
<td class="parameter_description"><p>A pointer to an uninitialized <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> struct.
This struct will zeroed and configured with the filter
parameters. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-filter-new-collator-desc"></a><h3>dee_filter_new_collator_desc ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
dee_filter_new_collator_desc (<em class="parameter"><code><span class="type">guint</span> column</code></em>,
<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> *out_filter</code></em>);</pre>
<p>Create a <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> that takes string values from a column in the model
and builds a <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> with the rows sorted descending according to the
collation rules of the current locale.</p>
<div class="refsect3">
<a name="dee-filter-new-collator-desc.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>column</p></td>
<td class="parameter_description"><p>The index of a column containing the strings to sort after</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>out_filter</p></td>
<td class="parameter_description"><p>A pointer to an uninitialized <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> struct.
This struct will zeroed and configured with the filter
parameters. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-filter-new-for-key-column"></a><h3>dee_filter_new_for_key_column ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
dee_filter_new_for_key_column (<em class="parameter"><code><span class="type">guint</span> column</code></em>,
<em class="parameter"><code>const <span class="type">gchar</span> *key</code></em>,
<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> *out_filter</code></em>);</pre>
<p>Create a <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> that only includes rows from the original model
which has an exact match on some string column. A <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a> created
with this filter will be ordered in accordance with its parent model.</p>
<div class="refsect3">
<a name="dee-filter-new-for-key-column.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>column</p></td>
<td class="parameter_description"><p>The index of a column containing the string key to match</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>out_filter</p></td>
<td class="parameter_description"><p>A pointer to an uninitialized <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> struct.
This struct will zeroed and configured with the filter
parameters. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-filter-new-for-any-column"></a><h3>dee_filter_new_for_any_column ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
dee_filter_new_for_any_column (<em class="parameter"><code><span class="type">guint</span> column</code></em>,
<em class="parameter"><code><span class="type">GVariant</span> *value</code></em>,
<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> *out_filter</code></em>);</pre>
<p>Create a <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> that only includes rows from the original model
which match a variant value in a given column. A <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a>
created with this filter will be ordered in accordance with its parent model.</p>
<p>This method will work on any column, disregarding its schema, since the
value comparison is done using <code class="function">g_variant_equal()</code>. This means you can use
this filter as a convenient fallback when there is no predefined filter
for your column type if raw performance is not paramount.</p>
<div class="refsect3">
<a name="dee-filter-new-for-any-column.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>column</p></td>
<td class="parameter_description"><p>The index of a column containing the string to match</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>A <span class="type">GVariant</span> value columns must match exactly.
The matching semantics are those of <code class="function">g_variant_equal()</code>. If <em class="parameter"><code>value</code></em>
is floating the ownership will be transfered to the filter. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>out_filter</p></td>
<td class="parameter_description"><p>A pointer to an uninitialized <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> struct.
This struct will zeroed and configured with the filter
parameters. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="dee-filter-new-regex"></a><h3>dee_filter_new_regex ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
dee_filter_new_regex (<em class="parameter"><code><span class="type">guint</span> column</code></em>,
<em class="parameter"><code><span class="type">GRegex</span> *regex</code></em>,
<em class="parameter"><code><a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> *out_filter</code></em>);</pre>
<p>Create a <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> that only includes rows from the original model
which match a regular expression on some string column. A <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a>
created with this filter will be ordered in accordance with its parent model.</p>
<div class="refsect3">
<a name="dee-filter-new-regex.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>column</p></td>
<td class="parameter_description"><p>The index of a column containing the string to match</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>regex</p></td>
<td class="parameter_description"><p>The regular expression <em class="parameter"><code>column</code></em>
must match. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>out_filter</p></td>
<td class="parameter_description"><p>A pointer to an uninitialized <a class="link" href="dee-1.0-Filters.html#DeeFilter" title="DeeFilter"><span class="type">DeeFilter</span></a> struct.
This struct will zeroed and configured with the filter
parameters. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="dee-1.0-Filters.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="DeeFilter"></a><h3>DeeFilter</h3>
<pre class="programlisting">typedef struct {
DeeFilterMapFunc map_func;
DeeFilterMapNotify map_notify;
GDestroyNotify destroy;
gpointer userdata;
} DeeFilter;
</pre>
<p>Structure encapsulating the mapping logic used to construct a <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a></p>
<div class="refsect3">
<a name="DeeFilter.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="300px" class="struct_members_name">
<col class="struct_members_description">
<col width="200px" class="struct_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="struct_member_name"><p><a class="link" href="dee-1.0-Filters.html#DeeFilterMapFunc" title="DeeFilterMapFunc ()"><span class="type">DeeFilterMapFunc</span></a> <em class="structfield"><code><a name="DeeFilter.map-func"></a>map_func</code></em>;</p></td>
<td class="struct_member_description"><p>The <span class="type">DeeModelMapFunc</span> used to construct
the initial contents of a <a class="link" href="DeeFilterModel.html" title="DeeFilterModel"><span class="type">DeeFilterModel</span></a>. </p></td>
<td class="struct_member_annotations"><span class="annotation">[<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="struct_member_name"><p><a class="link" href="dee-1.0-Filters.html#DeeFilterMapNotify" title="DeeFilterMapNotify ()"><span class="type">DeeFilterMapNotify</span></a> <em class="structfield"><code><a name="DeeFilter.map-notify"></a>map_notify</code></em>;</p></td>
<td class="struct_member_description"><p>Callback invoked when the original model changes. </p></td>
<td class="struct_member_annotations"><span class="annotation">[<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">GDestroyNotify</span> <em class="structfield"><code><a name="DeeFilter.destroy"></a>destroy</code></em>;</p></td>
<td class="struct_member_description"><p>Callback for freeing the <em class="parameter"><code>user_data</code></em>
</p></td>
<td class="struct_member_annotations"> </td>
</tr>
<tr>
<td class="struct_member_name"><p><span class="type">gpointer</span> <em class="structfield"><code><a name="DeeFilter.userdata"></a>userdata</code></em>;</p></td>
<td> </td>
<td> </td>
</tr>
</tbody>
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