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<div class="refentry">
<a name="libgwydgets-gwygrainvaluemenu"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="libgwydgets-gwygrainvaluemenu.top_of_page"></a>gwygrainvaluemenu</span></h2>
<p>gwygrainvaluemenu — Grain value display/selector</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="libgwydgets-gwygrainvaluemenu.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">
<span class="returnvalue">GtkWidget</span> *
</td>
<td class="function_name">
<a class="link" href="libgwydgets-gwygrainvaluemenu.html#gwy-grain-value-tree-view-new" title="gwy_grain_value_tree_view_new ()">gwy_grain_value_tree_view_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="libgwydgets-gwygrainvaluemenu.html#gwy-grain-value-tree-view-set-expanded-groups" title="gwy_grain_value_tree_view_set_expanded_groups ()">gwy_grain_value_tree_view_set_expanded_groups</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="libgwydgets-gwygrainvaluemenu.html#gwy-grain-value-tree-view-get-expanded-groups" title="gwy_grain_value_tree_view_get_expanded_groups ()">gwy_grain_value_tree_view_get_expanded_groups</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
</td>
<td class="function_name">
<a class="link" href="libgwydgets-gwygrainvaluemenu.html#gwy-grain-value-tree-view-n-enabled" title="gwy_grain_value_tree_view_n_enabled ()">gwy_grain_value_tree_view_n_enabled</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> **
</td>
<td class="function_name">
<a class="link" href="libgwydgets-gwygrainvaluemenu.html#gwy-grain-value-tree-view-get-enabled" title="gwy_grain_value_tree_view_get_enabled ()">gwy_grain_value_tree_view_get_enabled</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="libgwydgets-gwygrainvaluemenu.html#gwy-grain-value-tree-view-set-enabled" title="gwy_grain_value_tree_view_set_enabled ()">gwy_grain_value_tree_view_set_enabled</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="libgwydgets-gwygrainvaluemenu.html#gwy-grain-value-tree-view-select" title="gwy_grain_value_tree_view_select ()">gwy_grain_value_tree_view_select</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="libgwydgets-gwygrainvaluemenu.html#gwy-grain-value-tree-view-set-same-units" title="gwy_grain_value_tree_view_set_same_units ()">gwy_grain_value_tree_view_set_same_units</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libgwydgets-gwygrainvaluemenu.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="libgwydgets-gwygrainvaluemenu.html#GwyGrainValueStoreColumn" title="enum GwyGrainValueStoreColumn">GwyGrainValueStoreColumn</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libgwydgets-gwygrainvaluemenu.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <libgwydgets/gwydgets.h>
</pre>
</div>
<div class="refsect1">
<a name="libgwydgets-gwygrainvaluemenu.description"></a><h2>Description</h2>
</div>
<div class="refsect1">
<a name="libgwydgets-gwygrainvaluemenu.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gwy-grain-value-tree-view-new"></a><h3>gwy_grain_value_tree_view_new ()</h3>
<pre class="programlisting"><span class="returnvalue">GtkWidget</span> *
gwy_grain_value_tree_view_new (<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> show_id</code></em>,
<em class="parameter"><code>const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *first_column</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<p>Creates a new tree view selector of grain values.</p>
<p>Possible column names are <code class="literal">"name"</code> for the grain value
name, <code class="literal">"symbol_markup"</code> for the rich text symbol,
<code class="literal">"symbol"</code> for identifier-style symbol and
<code class="literal">"enabled"</code> for a checkbox column.</p>
<p>The tree view selection is set to <code class="literal">GTK_SELECTION_BROWSE</code> mode and it is
allowed only on leaves.</p>
<div class="refsect3">
<a name="id-1.7.7.7.2.7"></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>show_id</p></td>
<td class="parameter_description"><p><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> to include grain id number among the values, <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> to
exclude it.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>first_column</p></td>
<td class="parameter_description"><p>The first column to show (may be <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> for no columns).</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>...</p></td>
<td class="parameter_description"><p><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated list of columns to show.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.7.7.7.2.8"></a><h4>Returns</h4>
<p> A new tree view with grain values.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-grain-value-tree-view-set-expanded-groups"></a><h3>gwy_grain_value_tree_view_set_expanded_groups ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_grain_value_tree_view_set_expanded_groups
(<em class="parameter"><code><span class="type">GtkTreeView</span> *treeview</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> expanded_bits</code></em>);</pre>
<p>Restores a grain value tree view group expansion state.</p>
<div class="refsect3">
<a name="id-1.7.7.7.3.5"></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>treeview</p></td>
<td class="parameter_description"><p>A tree view with grain values.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>expanded_bits</p></td>
<td class="parameter_description"><p>Integer with bits of <a href="../libgwyprocess/GwyGrainValue.html#GwyGrainValueGroup"><span class="type">GwyGrainValueGroup</span></a> set if the
corresponding group should be expanded. Typically this
is either zero or a value previously obtained from
<a class="link" href="libgwydgets-gwygrainvaluemenu.html#gwy-grain-value-tree-view-get-expanded-groups" title="gwy_grain_value_tree_view_get_expanded_groups ()"><code class="function">gwy_grain_value_tree_view_get_expanded_groups()</code></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-grain-value-tree-view-get-expanded-groups"></a><h3>gwy_grain_value_tree_view_get_expanded_groups ()</h3>
<pre class="programlisting"><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
gwy_grain_value_tree_view_get_expanded_groups
(<em class="parameter"><code><span class="type">GtkTreeView</span> *treeview</code></em>);</pre>
<p>Obtains the group expansion state of a grain value tree view.</p>
<div class="refsect3">
<a name="id-1.7.7.7.4.5"></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>treeview</p></td>
<td class="parameter_description"><p>A tree view with grain values.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.7.7.7.4.6"></a><h4>Returns</h4>
<p> The expansion state, see
<a class="link" href="libgwydgets-gwygrainvaluemenu.html#gwy-grain-value-tree-view-set-expanded-groups" title="gwy_grain_value_tree_view_set_expanded_groups ()"><code class="function">gwy_grain_value_tree_view_set_expanded_groups()</code></a> for details.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-grain-value-tree-view-n-enabled"></a><h3>gwy_grain_value_tree_view_n_enabled ()</h3>
<pre class="programlisting"><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>
gwy_grain_value_tree_view_n_enabled (<em class="parameter"><code><span class="type">GtkTreeView</span> *treeview</code></em>);</pre>
<p>Gets the number of enabled values in a grain value tree view.</p>
<p>Enabled values are those with <a class="link" href="libgwydgets-gwygrainvaluemenu.html#GWY-GRAIN-VALUE-STORE-COLUMN-ENABLED:CAPS"><code class="literal">GWY_GRAIN_VALUE_STORE_COLUMN_ENABLED</code></a> column
set to <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> in the model.</p>
<div class="refsect3">
<a name="id-1.7.7.7.5.6"></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>treeview</p></td>
<td class="parameter_description"><p>A tree view with grain values.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.7.7.7.5.7"></a><h4>Returns</h4>
<p> The number of enabled values.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-grain-value-tree-view-get-enabled"></a><h3>gwy_grain_value_tree_view_get_enabled ()</h3>
<pre class="programlisting">const <a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> **
gwy_grain_value_tree_view_get_enabled (<em class="parameter"><code><span class="type">GtkTreeView</span> *treeview</code></em>);</pre>
<p>Obtains the list of enabled values in a grain value tree view.</p>
<div class="refsect3">
<a name="id-1.7.7.7.6.5"></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>treeview</p></td>
<td class="parameter_description"><p>A tree view with grain values.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="id-1.7.7.7.6.6"></a><h4>Returns</h4>
<p> The list of grain value names. The list must be freed by the
caller, the strings are however owned by the individual grain
values and must not be freed.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-grain-value-tree-view-set-enabled"></a><h3>gwy_grain_value_tree_view_set_enabled ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_grain_value_tree_view_set_enabled (<em class="parameter"><code><span class="type">GtkTreeView</span> *treeview</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> **names</code></em>);</pre>
<p>Sets the set of enabled values in a grain value tree view.</p>
<p>The tree is possibly expanded so that all enabled values are visible.</p>
<div class="refsect3">
<a name="id-1.7.7.7.7.6"></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>treeview</p></td>
<td class="parameter_description"><p>A tree view with grain values.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>names</p></td>
<td class="parameter_description"><p>Array of grain value names to enables. All grain values not present
here are disabled.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-grain-value-tree-view-select"></a><h3>gwy_grain_value_tree_view_select ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_grain_value_tree_view_select (<em class="parameter"><code><span class="type">GtkTreeView</span> *treeview</code></em>,
<em class="parameter"><code><a href="../libgwyprocess/GwyGrainValue.html"><span class="type">GwyGrainValue</span></a> *gvalue</code></em>);</pre>
<p>Selects a particular grain value in a grain value tree view.</p>
<p>If the <em class="parameter"><code>gvalue</code></em>
group is currently unexpanded, it will be expanded to
show it, and the tree view may scroll to make it visible.</p>
<div class="refsect3">
<a name="id-1.7.7.7.8.6"></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>treeview</p></td>
<td class="parameter_description"><p>A tree view with grain values.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>gvalue</p></td>
<td class="parameter_description"><p>The grain value to select.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p>
</div>
<hr>
<div class="refsect2">
<a name="gwy-grain-value-tree-view-set-same-units"></a><h3>gwy_grain_value_tree_view_set_same_units ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
gwy_grain_value_tree_view_set_same_units
(<em class="parameter"><code><span class="type">GtkTreeView</span> *treeview</code></em>,
<em class="parameter"><code><a href="http://developer.gnome.org/doc/API/2.0/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> same_units</code></em>);</pre>
<p>Sets the availability of grain values that require the same lateral and
value units.</p>
<p>This <em class="parameter"><code>same_units</code></em>
is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>, grain values requiring matching units will be
disabled. This means they will not be selectable, names and symbols will
be displayed greyed out, checkboxes will be made non-activatable (if they
are currently checked, they will not be unchecked but they will be displayed
as inconsistent).</p>
<p>By default <em class="parameter"><code>same_units</code></em>
is <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>.</p>
<div class="refsect3">
<a name="id-1.7.7.7.9.7"></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>treeview</p></td>
<td class="parameter_description"><p>A tree view with grain values.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>same_units</p></td>
<td class="parameter_description"><p><a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the lateral and value units match and therefore all
grain values are calculable, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if they don't match and
values that require same units are disabled.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p>
</div>
</div>
<div class="refsect1">
<a name="libgwydgets-gwygrainvaluemenu.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GwyGrainValueStoreColumn"></a><h3>enum GwyGrainValueStoreColumn</h3>
<p>Columns of the grain value tree view <span class="type">GtkTreeStore</span> model.</p>
<p>It must not be assumed these are the only columns in the tree store.</p>
<div class="refsect3">
<a name="id-1.7.7.8.2.5"></a><h4>Members</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col width="300px" class="enum_members_name">
<col class="enum_members_description">
<col width="200px" class="enum_members_annotations">
</colgroup>
<tbody>
<tr>
<td class="enum_member_name"><p><a name="GWY-GRAIN-VALUE-STORE-COLUMN-ITEM:CAPS"></a>GWY_GRAIN_VALUE_STORE_COLUMN_ITEM</p></td>
<td class="enum_member_description">
<p>Grain value itself (<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> for
non-leaves), the column type is
<a href="../libgwyprocess/GwyGrainValue.html"><span class="type">GwyGrainValue</span></a>.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GWY-GRAIN-VALUE-STORE-COLUMN-GROUP:CAPS"></a>GWY_GRAIN_VALUE_STORE_COLUMN_GROUP</p></td>
<td class="enum_member_description">
<p>Grain value group, useful namely for
non-leaves (identical to the value
group for leaves), the column type is
<a href="../libgwyprocess/GwyGrainValue.html#GwyGrainValueGroup"><span class="type">GwyGrainValueGroup</span></a>.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
<tr>
<td class="enum_member_name"><p><a name="GWY-GRAIN-VALUE-STORE-COLUMN-ENABLED:CAPS"></a>GWY_GRAIN_VALUE_STORE_COLUMN_ENABLED</p></td>
<td class="enum_member_description">
<p>Enabled/disabled state (meaning is
undefined for non-leaves and
reserved for future use), the column
type is <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-8.html#api-index-2.8">2.8</a></p>
</div>
</div>
</div>
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