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Ecore Documentation <small>at 2 Jul 2010</small>
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<h1>Ecore Config Listeners</h1>
<p>Functions that set and unset property listener callbacks.
<a href="#_details">More...</a></p>
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<tr><td colspan="2"><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">EAPI int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Ecore__Config__Listeners__Group.html#ga50ffd2d9a28c501bbd6f512648b7e593">ecore_config_listen</a> (const char *name, const char *key, <a class="el" href="Ecore__Config_8h.html#a3fa6560512af1802520fb7128ca0bf01">Ecore_Config_Listener</a> listener, int tag, void *data)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Adds a callback function to the list of functions called when a property changes. <a href="#ga50ffd2d9a28c501bbd6f512648b7e593"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">EAPI int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Ecore__Config__Listeners__Group.html#ga9ff2e49dde18e0f4a039c225512b3a2d">ecore_config_deaf</a> (const char *name, const char *key, <a class="el" href="Ecore__Config_8h.html#a3fa6560512af1802520fb7128ca0bf01">Ecore_Config_Listener</a> listener)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Removes a listener callback. <a href="#ga9ff2e49dde18e0f4a039c225512b3a2d"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Functions that set and unset property listener callbacks. </p>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga9ff2e49dde18e0f4a039c225512b3a2d"></a><!-- doxytag: member="ecore_config.c::ecore_config_deaf" ref="ga9ff2e49dde18e0f4a039c225512b3a2d" args="(const char *name, const char *key, Ecore_Config_Listener listener)" -->
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<td class="memname">EAPI int ecore_config_deaf </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em>, </td>
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<td class="paramtype">const char * </td>
<td class="paramname"> <em>key</em>, </td>
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<td class="paramtype"><a class="el" href="Ecore__Config_8h.html#a3fa6560512af1802520fb7128ca0bf01">Ecore_Config_Listener</a> </td>
<td class="paramname"> <em>listener</em></td><td> </td>
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<p>Removes a listener callback. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>name</em> </td><td>Name of the callback to remove. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>The property key the callback is listening to. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>listener</em> </td><td>The callback function to remove. </td></tr>
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<dl class="return"><dt><b>Returns:</b></dt><dd><code>ECORE_CONFIG_ERR_SUCC</code> if successful in removing the callback. If no callback matches the given parameters, then <code>ECORE_CONFIG_ERR_NOTFOUND</code> is returned. If <code>NULL</code> is passed for the key pointer, <code>ECORE_CONFIG_ERR_NODATA</code> is returned. </dd></dl>
<p>References <a class="el" href="ecore__config_8c_source.html#l00117">ecore_config_get()</a>, and <a class="el" href="Ecore__Config_8h_source.html#l00099">Ecore_Config_Prop::listeners</a>.</p>
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<a class="anchor" id="ga50ffd2d9a28c501bbd6f512648b7e593"></a><!-- doxytag: member="ecore_config.c::ecore_config_listen" ref="ga50ffd2d9a28c501bbd6f512648b7e593" args="(const char *name, const char *key, Ecore_Config_Listener listener, int tag, void *data)" -->
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<td class="memname">EAPI int ecore_config_listen </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em>, </td>
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<td class="paramtype">const char * </td>
<td class="paramname"> <em>key</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="Ecore__Config_8h.html#a3fa6560512af1802520fb7128ca0bf01">Ecore_Config_Listener</a> </td>
<td class="paramname"> <em>listener</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>tag</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"> <em>data</em></td><td> </td>
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<td>)</td>
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<p>Adds a callback function to the list of functions called when a property changes. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>name</em> </td><td>Name of the callback. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>The key of the property to listen to. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>listener</em> </td><td>Listener callback function. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>tag</em> </td><td>Tag to pass to <code>listener</code> when it is called. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>data</em> </td><td>Data to pass to <code>listener</code> when it is called. </td></tr>
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</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>ECORE_CONFIG_ERR_SUCC</code> if successful in setting up the callback. </dd></dl>
<p>References <a class="el" href="ecore__config_8c_source.html#l00117">ecore_config_get()</a>, <a class="el" href="Ecore__Config_8h_source.html#l00048">ECORE_CONFIG_NIL</a>, and <a class="el" href="Ecore__Config_8h_source.html#l00099">Ecore_Config_Prop::listeners</a>.</p>
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