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<title>gwymodule-tool: Gwyddion Module Library Reference Manual</title>
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<a href="#libgwymodule-gwymodule-tool.description" class="shortcut">Description</a></span>
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<a name="libgwymodule-gwymodule-tool"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="libgwymodule-gwymodule-tool.top_of_page"></a>gwymodule-tool</span></h2>
<p>gwymodule-tool — Interactive tool modules</p>
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<div class="refsect1">
<a name="libgwymodule-gwymodule-tool.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="libgwymodule-gwymodule-tool.html#gwy-tool-func-register" title="gwy_tool_func_register ()">gwy_tool_func_register</a> <span class="c_punctuation">()</span>
</td>
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<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="libgwymodule-gwymodule-tool.html#gwy-tool-func-foreach" title="gwy_tool_func_foreach ()">gwy_tool_func_foreach</a> <span class="c_punctuation">()</span>
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<div class="refsect1">
<a name="libgwymodule-gwymodule-tool.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <libgwymodule/gwymodule.h>
</pre>
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<div class="refsect1">
<a name="libgwymodule-gwymodule-tool.description"></a><h2>Description</h2>
<p>Tool modules implement interactive tools that work directly on data
windows.</p>
</div>
<div class="refsect1">
<a name="libgwymodule-gwymodule-tool.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gwy-tool-func-register"></a><h3>gwy_tool_func_register ()</h3>
<pre class="programlisting"><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gwy_tool_func_register (<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/gobject/gobject-Type-Information.html#GType"><span class="type">GType</span></a> type</code></em>);</pre>
<p>Registeres a tool function (tool type).</p>
<div class="refsect3">
<a name="id-1.2.6.6.2.5"></a><h4>Parameters</h4>
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<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
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<td class="parameter_name"><p>type</p></td>
<td class="parameter_description"><p>Layer type in GObject type system. That is the return value of
<code class="function">gwy_tool_foo_get_type()</code>.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.2.6.6.2.6"></a><h4>Returns</h4>
<p> Normally <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>; <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> on failure.</p>
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<hr>
<div class="refsect2">
<a name="gwy-tool-func-foreach"></a><h3>gwy_tool_func_foreach ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_tool_func_foreach (<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Doubly-Linked-Lists.html#GFunc"><span class="type">GFunc</span></a> function</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<p>Calls a function for each tool function.</p>
<div class="refsect3">
<a name="id-1.2.6.6.3.5"></a><h4>Parameters</h4>
<div class="informaltable"><table 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>function</p></td>
<td class="parameter_description"><p>Function to run for each tool function. It will get function
name (constant string owned by module system) as its first
argument, <em class="parameter"><code>user_data</code></em>
as the second argument.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>user_data</p></td>
<td class="parameter_description"><p>Data to pass to <em class="parameter"><code>function</code></em>
.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="libgwymodule-gwymodule-tool.other_details"></a><h2>Types and Values</h2>
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