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<h2><span class="refentrytitle"><a name="GtkTreeSelection.top_of_page"></a>GtkTreeSelection</span></h2>
<p>GtkTreeSelection — The selection object for GtkTreeView</p>
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<div class="refsynopsisdiv">
<a name="GtkTreeSelection.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include <gtk/gtk.h>
<a class="link" href="GtkTreeSelection.html#GtkTreeSelection-struct" title="GtkTreeSelection">GtkTreeSelection</a>;
<span class="returnvalue">gboolean</span> (<a class="link" href="GtkTreeSelection.html#GtkTreeSelectionFunc" title="GtkTreeSelectionFunc ()">*GtkTreeSelectionFunc</a>) (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a> *model</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *path</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> path_currently_selected</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> data</code></em>);
<span class="returnvalue">void</span> (<a class="link" href="GtkTreeSelection.html#GtkTreeSelectionForeachFunc" title="GtkTreeSelectionForeachFunc ()">*GtkTreeSelectionForeachFunc</a>) (<em class="parameter"><code><a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a> *model</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *path</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> *iter</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> data</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-set-mode" title="gtk_tree_selection_set_mode ()">gtk_tree_selection_set_mode</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="gtk2-Standard-Enumerations.html#GtkSelectionMode" title="enum GtkSelectionMode"><span class="type">GtkSelectionMode</span></a> type</code></em>);
<a class="link" href="gtk2-Standard-Enumerations.html#GtkSelectionMode" title="enum GtkSelectionMode"><span class="returnvalue">GtkSelectionMode</span></a> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-get-mode" title="gtk_tree_selection_get_mode ()">gtk_tree_selection_get_mode</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-set-select-function" title="gtk_tree_selection_set_select_function ()">gtk_tree_selection_set_select_function</a>
(<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeSelection.html#GtkTreeSelectionFunc" title="GtkTreeSelectionFunc ()"><span class="type">GtkTreeSelectionFunc</span></a> func</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> data</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> destroy</code></em>);
<a class="link" href="GtkTreeSelection.html#GtkTreeSelectionFunc" title="GtkTreeSelectionFunc ()"><span class="returnvalue">GtkTreeSelectionFunc</span></a> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-get-select-function" title="gtk_tree_selection_get_select_function ()">gtk_tree_selection_get_select_function</a>
(<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);
<span class="returnvalue">gpointer</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-get-user-data" title="gtk_tree_selection_get_user_data ()">gtk_tree_selection_get_user_data</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);
<a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="returnvalue">GtkTreeView</span></a> * <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-get-tree-view" title="gtk_tree_selection_get_tree_view ()">gtk_tree_selection_get_tree_view</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-get-selected" title="gtk_tree_selection_get_selected ()">gtk_tree_selection_get_selected</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a> **model</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> *iter</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-selected-foreach" title="gtk_tree_selection_selected_foreach ()">gtk_tree_selection_selected_foreach</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeSelection.html#GtkTreeSelectionForeachFunc" title="GtkTreeSelectionForeachFunc ()"><span class="type">GtkTreeSelectionForeachFunc</span></a> func</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> data</code></em>);
<span class="returnvalue">GList</span> * <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-get-selected-rows" title="gtk_tree_selection_get_selected_rows ()">gtk_tree_selection_get_selected_rows</a>
(<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a> **model</code></em>);
<span class="returnvalue">gint</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-count-selected-rows" title="gtk_tree_selection_count_selected_rows ()">gtk_tree_selection_count_selected_rows</a>
(<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-select-path" title="gtk_tree_selection_select_path ()">gtk_tree_selection_select_path</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *path</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-unselect-path" title="gtk_tree_selection_unselect_path ()">gtk_tree_selection_unselect_path</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *path</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-path-is-selected" title="gtk_tree_selection_path_is_selected ()">gtk_tree_selection_path_is_selected</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *path</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-select-iter" title="gtk_tree_selection_select_iter ()">gtk_tree_selection_select_iter</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> *iter</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-unselect-iter" title="gtk_tree_selection_unselect_iter ()">gtk_tree_selection_unselect_iter</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> *iter</code></em>);
<span class="returnvalue">gboolean</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-iter-is-selected" title="gtk_tree_selection_iter_is_selected ()">gtk_tree_selection_iter_is_selected</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> *iter</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-select-all" title="gtk_tree_selection_select_all ()">gtk_tree_selection_select_all</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-unselect-all" title="gtk_tree_selection_unselect_all ()">gtk_tree_selection_unselect_all</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-select-range" title="gtk_tree_selection_select_range ()">gtk_tree_selection_select_range</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *start_path</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *end_path</code></em>);
<span class="returnvalue">void</span> <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-unselect-range" title="gtk_tree_selection_unselect_range ()">gtk_tree_selection_unselect_range</a> (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *start_path</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *end_path</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="GtkTreeSelection.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
GObject
+----GtkTreeSelection
</pre>
</div>
<div class="refsect1">
<a name="GtkTreeSelection.signals"></a><h2>Signals</h2>
<pre class="synopsis">
"<a class="link" href="GtkTreeSelection.html#GtkTreeSelection-changed" title='The "changed" signal'>changed</a>" : <code class="literal">Run First</code>
</pre>
</div>
<div class="refsect1">
<a name="GtkTreeSelection.description"></a><h2>Description</h2>
<p>
The <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> object is a helper object to manage the selection
for a <a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="type">GtkTreeView</span></a> widget. The <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> object is
automatically created when a new <a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="type">GtkTreeView</span></a> widget is created, and
cannot exist independentally of this widget. The primary reason the
<a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> objects exists is for cleanliness of code and API.
That is, there is no conceptual reason all these functions could not be
methods on the <a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="type">GtkTreeView</span></a> widget instead of a separate function.
</p>
<p>
The <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> object is gotten from a <a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="type">GtkTreeView</span></a> by calling
<a class="link" href="GtkTreeView.html#gtk-tree-view-get-selection" title="gtk_tree_view_get_selection ()"><code class="function">gtk_tree_view_get_selection()</code></a>. It can be manipulated to check the
selection status of the tree, as well as select and deselect individual
rows. Selection is done completely view side. As a result, multiple
views of the same model can have completely different selections.
Additionally, you cannot change the selection of a row on the model that
is not currently displayed by the view without expanding its parents
first.
</p>
<p>
One of the important things to remember when monitoring the selection of
a view is that the <a class="link" href="GtkTreeSelection.html#GtkTreeSelection-changed" title='The "changed" signal'><span class="type">"changed"</span></a> signal is mostly a hint. That is, it may
only emit one signal when a range of rows is selected. Additionally, it
may on occasion emit a ::changed signal when nothing has happened
(mostly as a result of programmers calling select_row on an already
selected row).
</p>
</div>
<div class="refsect1">
<a name="GtkTreeSelection.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GtkTreeSelection-struct"></a><h3>GtkTreeSelection</h3>
<pre class="programlisting">typedef struct _GtkTreeSelection GtkTreeSelection;</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkTreeSelectionFunc"></a><h3>GtkTreeSelectionFunc ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> (*GtkTreeSelectionFunc) (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a> *model</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *path</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> path_currently_selected</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> data</code></em>);</pre>
<p>
A function used by <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-set-select-function" title="gtk_tree_selection_set_select_function ()"><code class="function">gtk_tree_selection_set_select_function()</code></a> to filter
whether or not a row may be selected. It is called whenever a row's
state might change. A return value of <code class="literal">TRUE</code> indicates to <em class="parameter"><code>selection</code></em>
that it is okay to change the selection.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a> being viewed</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>The <a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> of the row in question</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>path_currently_selected</code></em> :</span></p></td>
<td>
<code class="literal">TRUE</code>, if the path is currently selected</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>user data</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code>, if the selection state of the row can be toggled</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GtkTreeSelectionForeachFunc"></a><h3>GtkTreeSelectionForeachFunc ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> (*GtkTreeSelectionForeachFunc) (<em class="parameter"><code><a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a> *model</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *path</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> *iter</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> data</code></em>);</pre>
<p>
A function used by <a class="link" href="GtkTreeSelection.html#gtk-tree-selection-selected-foreach" title="gtk_tree_selection_selected_foreach ()"><code class="function">gtk_tree_selection_selected_foreach()</code></a> to map all
selected rows. It will be called on every selected row in the view.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>The <a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a> being viewed</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>The <a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> of a selected row</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>iter</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> pointing to a selected row</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>user data</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-set-mode"></a><h3>gtk_tree_selection_set_mode ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gtk_tree_selection_set_mode (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="gtk2-Standard-Enumerations.html#GtkSelectionMode" title="enum GtkSelectionMode"><span class="type">GtkSelectionMode</span></a> type</code></em>);</pre>
<p>
Sets the selection mode of the <em class="parameter"><code>selection</code></em>. If the previous type was
<a class="link" href="gtk2-Standard-Enumerations.html#GTK-SELECTION-MULTIPLE:CAPS"><span class="type">GTK_SELECTION_MULTIPLE</span></a>, then the anchor is kept selected, if it was
previously selected.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>type</code></em> :</span></p></td>
<td>The selection mode</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-get-mode"></a><h3>gtk_tree_selection_get_mode ()</h3>
<pre class="programlisting"><a class="link" href="gtk2-Standard-Enumerations.html#GtkSelectionMode" title="enum GtkSelectionMode"><span class="returnvalue">GtkSelectionMode</span></a> gtk_tree_selection_get_mode (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);</pre>
<p>
Gets the selection mode for <em class="parameter"><code>selection</code></em>. See
<a class="link" href="GtkTreeSelection.html#gtk-tree-selection-set-mode" title="gtk_tree_selection_set_mode ()"><code class="function">gtk_tree_selection_set_mode()</code></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>a <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the current selection mode</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-set-select-function"></a><h3>gtk_tree_selection_set_select_function ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gtk_tree_selection_set_select_function
(<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeSelection.html#GtkTreeSelectionFunc" title="GtkTreeSelectionFunc ()"><span class="type">GtkTreeSelectionFunc</span></a> func</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> data</code></em>,
<em class="parameter"><code><span class="type">GDestroyNotify</span> destroy</code></em>);</pre>
<p>
Sets the selection function. If set, this function is called before any node
is selected or unselected, giving some control over which nodes are selected.
The select function should return <code class="literal">TRUE</code> if the state of the node may be toggled,
and <code class="literal">FALSE</code> if the state of the node should be left unchanged.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
<td>The selection function.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>The selection function's data.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>destroy</code></em> :</span></p></td>
<td>The destroy function for user data. May be NULL.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-get-select-function"></a><h3>gtk_tree_selection_get_select_function ()</h3>
<pre class="programlisting"><a class="link" href="GtkTreeSelection.html#GtkTreeSelectionFunc" title="GtkTreeSelectionFunc ()"><span class="returnvalue">GtkTreeSelectionFunc</span></a> gtk_tree_selection_get_select_function
(<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);</pre>
<p>
Returns the current selection function.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The function.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.14</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-get-user-data"></a><h3>gtk_tree_selection_get_user_data ()</h3>
<pre class="programlisting"><span class="returnvalue">gpointer</span> gtk_tree_selection_get_user_data (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);</pre>
<p>
Returns the user data for the selection function.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The user data.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-get-tree-view"></a><h3>gtk_tree_selection_get_tree_view ()</h3>
<pre class="programlisting"><a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="returnvalue">GtkTreeView</span></a> * gtk_tree_selection_get_tree_view (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);</pre>
<p>
Returns the tree view associated with <em class="parameter"><code>selection</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A <a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="type">GtkTreeView</span></a>. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-get-selected"></a><h3>gtk_tree_selection_get_selected ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gtk_tree_selection_get_selected (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a> **model</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> *iter</code></em>);</pre>
<p>
Sets <em class="parameter"><code>iter</code></em> to the currently selected node if <em class="parameter"><code>selection</code></em> is set to
<a class="link" href="gtk2-Standard-Enumerations.html#GTK-SELECTION-SINGLE:CAPS"><span class="type">GTK_SELECTION_SINGLE</span></a> or <a class="link" href="gtk2-Standard-Enumerations.html#GTK-SELECTION-BROWSE:CAPS"><span class="type">GTK_SELECTION_BROWSE</span></a>. <em class="parameter"><code>iter</code></em> may be NULL if you
just want to test if <em class="parameter"><code>selection</code></em> has any selected nodes. <em class="parameter"><code>model</code></em> is filled
with the current model as a convenience. This function will not work if you
use <em class="parameter"><code>selection</code></em> is <a class="link" href="gtk2-Standard-Enumerations.html#GTK-SELECTION-MULTIPLE:CAPS"><span class="type">GTK_SELECTION_MULTIPLE</span></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>A pointer to set to the <a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a>, or NULL. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>iter</code></em> :</span></p></td>
<td>The <a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a>, or NULL. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>TRUE, if there is a selected node.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-selected-foreach"></a><h3>gtk_tree_selection_selected_foreach ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gtk_tree_selection_selected_foreach (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeSelection.html#GtkTreeSelectionForeachFunc" title="GtkTreeSelectionForeachFunc ()"><span class="type">GtkTreeSelectionForeachFunc</span></a> func</code></em>,
<em class="parameter"><code><span class="type">gpointer</span> data</code></em>);</pre>
<p>
Calls a function for each selected node. Note that you cannot modify
the tree or selection from within this function. As a result,
<a class="link" href="GtkTreeSelection.html#gtk-tree-selection-get-selected-rows" title="gtk_tree_selection_get_selected_rows ()"><code class="function">gtk_tree_selection_get_selected_rows()</code></a> might be more useful.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
<td>The function to call for each selected node. <span class="annotation">[<acronym title="The callback is valid only during the call to the method."><span class="acronym">scope call</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>data</code></em> :</span></p></td>
<td>user data to pass to the function.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-get-selected-rows"></a><h3>gtk_tree_selection_get_selected_rows ()</h3>
<pre class="programlisting"><span class="returnvalue">GList</span> * gtk_tree_selection_get_selected_rows
(<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a> **model</code></em>);</pre>
<p>
Creates a list of path of all selected rows. Additionally, if you are
planning on modifying the model after calling this function, you may
want to convert the returned list into a list of <a class="link" href="GtkTreeModel.html#GtkTreeRowReference" title="GtkTreeRowReference"><span class="type">GtkTreeRowReference</span></a>s.
To do this, you can use <a class="link" href="GtkTreeModel.html#gtk-tree-row-reference-new" title="gtk_tree_row_reference_new ()"><code class="function">gtk_tree_row_reference_new()</code></a>.
</p>
<p>
To free the return value, use:
</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</pre></td>
<td class="listing_code"><pre class="programlisting"><span class="function">g_list_foreach</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">list</span><span class="symbol">,</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">GFunc</span><span class="symbol">)</span><span class="normal"> <a href="GtkTreeModel.html#gtk-tree-path-free">gtk_tree_path_free</a></span><span class="symbol">,</span><span class="normal"> <a href="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS">NULL</a></span><span class="symbol">);</span>
<span class="function">g_list_free</span><span class="normal"> </span><span class="symbol">(</span><span class="normal">list</span><span class="symbol">);</span></pre></td>
</tr>
</tbody>
</table>
</div>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>model</code></em> :</span></p></td>
<td>A pointer to set to the <a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a>, or <a href="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>A <span class="type">GList</span> containing a <a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> for each selected row. <span class="annotation">[<acronym title="Generics and defining elements of containers and arrays."><span class="acronym">element-type</span></acronym> GtkTreePath][<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-count-selected-rows"></a><h3>gtk_tree_selection_count_selected_rows ()</h3>
<pre class="programlisting"><span class="returnvalue">gint</span> gtk_tree_selection_count_selected_rows
(<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);</pre>
<p>
Returns the number of rows that have been selected in <em class="parameter"><code>tree</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
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<col>
</colgroup>
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<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The number of rows selected.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-select-path"></a><h3>gtk_tree_selection_select_path ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gtk_tree_selection_select_path (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *path</code></em>);</pre>
<p>
Select the row at <em class="parameter"><code>path</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
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<col align="left" valign="top">
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</colgroup>
<tbody>
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<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>The <a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> to be selected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-unselect-path"></a><h3>gtk_tree_selection_unselect_path ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gtk_tree_selection_unselect_path (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *path</code></em>);</pre>
<p>
Unselects the row at <em class="parameter"><code>path</code></em>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
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<col align="left" valign="top">
<col>
</colgroup>
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<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>The <a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> to be unselected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-path-is-selected"></a><h3>gtk_tree_selection_path_is_selected ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gtk_tree_selection_path_is_selected (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *path</code></em>);</pre>
<p>
Returns <code class="literal">TRUE</code> if the row pointed to by <em class="parameter"><code>path</code></em> is currently selected. If <em class="parameter"><code>path</code></em>
does not point to a valid location, <code class="literal">FALSE</code> is returned
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>path</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> to check selection on.</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code> if <em class="parameter"><code>path</code></em> is selected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-select-iter"></a><h3>gtk_tree_selection_select_iter ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gtk_tree_selection_select_iter (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> *iter</code></em>);</pre>
<p>
Selects the specified iterator.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>iter</code></em> :</span></p></td>
<td>The <a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> to be selected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-unselect-iter"></a><h3>gtk_tree_selection_unselect_iter ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gtk_tree_selection_unselect_iter (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> *iter</code></em>);</pre>
<p>
Unselects the specified iterator.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>iter</code></em> :</span></p></td>
<td>The <a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> to be unselected.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-iter-is-selected"></a><h3>gtk_tree_selection_iter_is_selected ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span> gtk_tree_selection_iter_is_selected (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a> *iter</code></em>);</pre>
<p>
Returns <code class="literal">TRUE</code> if the row at <em class="parameter"><code>iter</code></em> is currently selected.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
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</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>iter</code></em> :</span></p></td>
<td>A valid <a class="link" href="GtkTreeModel.html#GtkTreeIter"><span class="type">GtkTreeIter</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<code class="literal">TRUE</code>, if <em class="parameter"><code>iter</code></em> is selected</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-select-all"></a><h3>gtk_tree_selection_select_all ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gtk_tree_selection_select_all (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);</pre>
<p>
Selects all the nodes. <em class="parameter"><code>selection</code></em> must be set to <a class="link" href="gtk2-Standard-Enumerations.html#GTK-SELECTION-MULTIPLE:CAPS"><span class="type">GTK_SELECTION_MULTIPLE</span></a>
mode.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-unselect-all"></a><h3>gtk_tree_selection_unselect_all ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gtk_tree_selection_unselect_all (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>);</pre>
<p>
Unselects all the nodes.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-select-range"></a><h3>gtk_tree_selection_select_range ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gtk_tree_selection_select_range (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *start_path</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *end_path</code></em>);</pre>
<p>
Selects a range of nodes, determined by <em class="parameter"><code>start_path</code></em> and <em class="parameter"><code>end_path</code></em> inclusive.
<em class="parameter"><code>selection</code></em> must be set to <a class="link" href="gtk2-Standard-Enumerations.html#GTK-SELECTION-MULTIPLE:CAPS"><span class="type">GTK_SELECTION_MULTIPLE</span></a> mode.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>start_path</code></em> :</span></p></td>
<td>The initial node of the range.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>end_path</code></em> :</span></p></td>
<td>The final node of the range.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-tree-selection-unselect-range"></a><h3>gtk_tree_selection_unselect_range ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span> gtk_tree_selection_unselect_range (<em class="parameter"><code><a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *selection</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *start_path</code></em>,
<em class="parameter"><code><a class="link" href="GtkTreeModel.html#GtkTreePath"><span class="type">GtkTreePath</span></a> *end_path</code></em>);</pre>
<p>
Unselects a range of nodes, determined by <em class="parameter"><code>start_path</code></em> and <em class="parameter"><code>end_path</code></em>
inclusive.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>selection</code></em> :</span></p></td>
<td>A <a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a>.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>start_path</code></em> :</span></p></td>
<td>The initial node of the range.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>end_path</code></em> :</span></p></td>
<td>The initial node of the range.</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.2</p>
</div>
</div>
<div class="refsect1">
<a name="GtkTreeSelection.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GtkTreeSelection-changed"></a><h3>The <code class="literal">"changed"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span> user_function (<a class="link" href="GtkTreeSelection.html" title="GtkTreeSelection"><span class="type">GtkTreeSelection</span></a> *treeselection,
<span class="type">gpointer</span> user_data) : <code class="literal">Run First</code></pre>
<p>
Emitted whenever the selection has (possibly) changed. Please note that
this signal is mostly a hint. It may only be emitted once when a range
of rows are selected, and it may occasionally be emitted when nothing
has happened.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>treeselection</code></em> :</span></p></td>
<td>the object which received the signal.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data set when the signal handler was connected.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
<div class="refsect1">
<a name="GtkTreeSelection.see-also"></a><h2>See Also</h2>
<p>
<a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="type">GtkTreeView</span></a>, <a class="link" href="GtkTreeViewColumn.html" title="GtkTreeViewColumn"><span class="type">GtkTreeViewColumn</span></a>, <span class="type">GtkTreeDnd</span>, <span class="type">GtkTreeMode</span>, <a class="link" href="GtkTreeSortable.html" title="GtkTreeSortable"><span class="type">GtkTreeSortable</span></a>, <a class="link" href="GtkTreeModelSort.html" title="GtkTreeModelSort"><span class="type">GtkTreeModelSort</span></a>, <a class="link" href="GtkListStore.html" title="GtkListStore"><span class="type">GtkListStore</span></a>, <a class="link" href="GtkTreeStore.html" title="GtkTreeStore"><span class="type">GtkTreeStore</span></a>, <a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer"><span class="type">GtkCellRenderer</span></a>, <a class="link" href="GtkCellEditable.html" title="GtkCellEditable"><span class="type">GtkCellEditable</span></a>, <a class="link" href="GtkCellRendererPixbuf.html" title="GtkCellRendererPixbuf"><span class="type">GtkCellRendererPixbuf</span></a>, <a class="link" href="GtkCellRendererText.html" title="GtkCellRendererText"><span class="type">GtkCellRendererText</span></a>, <a class="link" href="GtkCellRendererToggle.html" title="GtkCellRendererToggle"><span class="type">GtkCellRendererToggle</span></a>
</p>
</div>
</div>
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