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GtkTooltip"><link rel="part" href="pt05.html" title="Part V. GTK+ Tools"><link rel="glossary" href="glossary.html" title="Glossary"><link rel="index" href="ix01.html" title="Index"><link rel="index" href="ix02.html" title="Index of deprecated symbols"><link rel="index" href="ix03.html" title="Index of new symbols in 2.2"><link rel="index" href="ix04.html" title="Index of new symbols in 2.4"><link rel="index" href="ix05.html" title="Index of new symbols in 2.6"><link rel="index" href="ix06.html" title="Index of new symbols in 2.8"><link rel="index" href="ix07.html" title="Index of new symbols in 2.10"><link rel="index" href="ix08.html" title="Index of new symbols in 2.12"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="GtkCellRendererAccel.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="TreeWidgetObjects.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GTK+ Reference Manual</th><td><a accesskey="n" href="GtkCellRendererPixbuf.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr><tr><td colspan="5" class="shortcuts"><nobr><a href="#id3832222" class="shortcut">Top</a>  |  <a href="#id3832383" class="shortcut">Description</a>  |  <a href="#id3832260" class="shortcut">Object Hierarchy</a>  |  <a href="#id3832315" class="shortcut">Properties</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="GtkCellRendererCombo"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id3832222"></a><span class="refentrytitle">GtkCellRendererCombo</span></h2><p>GtkCellRendererCombo — Renders a combobox in a cell</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">#include <gtk/gtk.h> <a class="link" href="GtkCellRendererCombo.html#GtkCellRendererCombo-struct">GtkCellRendererCombo</a>;<a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer">GtkCellRenderer</a>* <a class="link" href="GtkCellRendererCombo.html#gtk-cell-renderer-combo-new">gtk_cell_renderer_combo_new</a> (void);</pre></div><div class="refsect1" lang="en"><a name="id3832260"></a><h2>Object Hierarchy</h2><pre class="synopsis"> <ahref="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a> +----<ahref="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> +----<a class="link" href="GtkObject.html" title="GtkObject">GtkObject</a> +----<a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer">GtkCellRenderer</a> +----<a class="link" href="GtkCellRendererText.html" title="GtkCellRendererText">GtkCellRendererText</a> +----GtkCellRendererCombo</pre></div><div class="refsect1" lang="en"><a name="id3832315"></a><h2>Properties</h2><pre class="synopsis"> "<a class="link" href="GtkCellRendererCombo.html#GtkCellRendererCombo--has-entry">has-entry</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GtkCellRendererCombo.html#GtkCellRendererCombo--model">model</a>" <a class="link" href="GtkTreeModel.html" title="GtkTreeModel">GtkTreeModel</a> : Read / Write "<a class="link" href="GtkCellRendererCombo.html#GtkCellRendererCombo--text-column">text-column</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> : Read / Write</pre></div><div class="refsect1" lang="en"><a name="id3832383"></a><h2>Description</h2><p><a class="link" href="GtkCellRendererCombo.html" title="GtkCellRendererCombo"><span class="type">GtkCellRendererCombo</span></a> renders text in a cell like <a class="link" href="GtkCellRendererText.html" title="GtkCellRendererText"><span class="type">GtkCellRendererText</span></a> from which it is derived. But while <a class="link" href="GtkCellRendererText.html" title="GtkCellRendererText"><span class="type">GtkCellRendererText</span></a> offers a simple entry to edit the text, <a class="link" href="GtkCellRendererCombo.html" title="GtkCellRendererCombo"><span class="type">GtkCellRendererCombo</span></a> offers a <a class="link" href="GtkComboBox.html" title="GtkComboBox"><span class="type">GtkComboBox</span></a> or <a class="link" href="GtkComboBoxEntry.html" title="GtkComboBoxEntry"><span class="type">GtkComboBoxEntry</span></a>widget to edit the text. The values to display in the combo box are taken from the tree model specified in the <a class="link" href="GtkCellRendererCombo.html#GtkCellRendererCombo--model">model</a> property.</p><p>The combo cell renderer takes care of adding a text cell renderer to the combo box and sets it to display the column specified by its <a class="link" href="GtkCellRendererCombo.html#GtkCellRendererCombo--text-column">text-column</a> property. Further properties of the comnbo box can be set in a handler for the editing-started signal.</p><p>The <a class="link" href="GtkCellRendererCombo.html" title="GtkCellRendererCombo"><span class="type">GtkCellRendererCombo</span></a> cell renderer was added in GTK+ 2.6.</p></div><div class="refsect1" lang="en"><a name="id3832488"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id3832498"></a><h3><a name="GtkCellRendererCombo-struct"></a>GtkCellRendererCombo</h3><a class="indexterm" name="id3832511"></a><pre class="programlisting">typedef struct _GtkCellRendererCombo GtkCellRendererCombo;</pre><p></p></div><hr><div class="refsect2" lang="en"><a name="id3832527"></a><h3><a name="gtk-cell-renderer-combo-new"></a>gtk_cell_renderer_combo_new ()</h3><a class="indexterm" name="id3832543"></a><pre class="programlisting"><a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer">GtkCellRenderer</a>* gtk_cell_renderer_combo_new (void);</pre><p>Creates a new <a class="link" href="GtkCellRendererCombo.html" title="GtkCellRendererCombo"><span class="type">GtkCellRendererCombo</span></a>. Adjust how text is drawn using object properties. Object properties can be set globally (with <ahref="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#g-object-set"><code class="function">g_object_set()</code></a>). Also, with <a class="link" href="GtkTreeViewColumn.html" title="GtkTreeViewColumn"><span class="type">GtkTreeViewColumn</span></a>, you can bind a property to a value in a <a class="link" href="GtkTreeModel.html" title="GtkTreeModel"><span class="type">GtkTreeModel</span></a>. For example, you can bind the "text" property on the cell renderer to a string value in the model, thus rendering a different string in each row of the <a class="link" href="GtkTreeView.html" title="GtkTreeView"><span class="type">GtkTreeView</span></a>.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td> the new cell renderer</td></tr></tbody></table></div><p class="since">Since 2.6</p></div></div><div class="refsect1" lang="en"><a name="id3832639"></a><h2>Property Details</h2><div class="refsect2" lang="en"><a name="id3832650"></a><h3><a name="GtkCellRendererCombo--has-entry"></a>The <code class="literal">"has-entry"</code> property</h3><a class="indexterm" name="id3832666"></a><pre class="programlisting"> "has-entry" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write</pre><p>If <ahref="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a>, the cell renderer will include an entry and allow to enter values other than the ones in the popup list.</p><p></p><p>Default value: TRUE</p><p>Since 2.6</p></div><hr><div class="refsect2" lang="en"><a name="id3832713"></a><h3><a name="GtkCellRendererCombo--model"></a>The <code class="literal">"model"</code> property</h3><a class="indexterm" name="id3832730"></a><pre class="programlisting"> "model" <a class="link" href="GtkTreeModel.html" title="GtkTreeModel">GtkTreeModel</a> : Read / Write</pre><p>Holds a tree model containing the possible values for the combo box. Use the text_column property to specify the column holding the values.</p><p></p><p>Since 2.6</p></div><hr><div class="refsect2" lang="en"><a name="id3832764"></a><h3><a name="GtkCellRendererCombo--text-column"></a>The <code class="literal">"text-column"</code> property</h3><a class="indexterm" name="id3832781"></a><pre class="programlisting"> "text-column" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint">gint</a> : Read / Write</pre><p>Specifies the model column which holds the possible values for the combo box. </p><p>Note that this refers to the model specified in the model property, <span class="emphasis"><em>not</em></span> the model backing the tree view to which this cell renderer is attached.</p><p><a class="link" href="GtkCellRendererCombo.html" title="GtkCellRendererCombo"><span class="type">GtkCellRendererCombo</span></a> automatically adds a text cell renderer for this column to its combo box.</p><p></p><p>Allowed values: >= -1</p><p>Default value: -1</p><p>Since 2.6</p></div></div><div class="refsect1" lang="en"><a name="id3832844"></a><div class="refsect2" lang="en"><a name="id3832845"></a></div><hr><div class="refsect2" lang="en"><a name="id3832846"></a></div></div></div></body></html>⌨️ 快捷键说明
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