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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"><title>GtkCellRendererSpin</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="GTK+ Reference Manual"><link rel="up" href="TreeWidgetObjects.html" title="Tree, List and Icon Grid Widgets"><link rel="prev" href="GtkCellRendererProgress.html" title="GtkCellRendererProgress"><link rel="next" href="GtkCellRendererText.html" title="GtkCellRendererText"><meta name="generator" content="GTK-Doc V1.9 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="part" href="gtk.html" title="Part I. GTK+ Overview"><link rel="part" href="gtkbase.html" title="Part II. GTK+ Core Reference"><link rel="part" href="gtkobjects.html" title="Part III. GTK+ Widgets and Objects"><link rel="chapter" href="ch01.html" title="Object Hierarchy"><link rel="chapter" href="ch02.html" 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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="GtkCellRendererProgress.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="GtkCellRendererText.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="#id3836897" class="shortcut">Top</a>  |  <a href="#id3837059" class="shortcut">Description</a>  |  <a href="#id3836935" class="shortcut">Object Hierarchy</a>  |  <a href="#id3836989" class="shortcut">Properties</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="GtkCellRendererSpin"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id3836897"></a><span class="refentrytitle">GtkCellRendererSpin</span></h2><p>GtkCellRendererSpin — Renders a spin button 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="GtkCellRendererSpin.html#GtkCellRendererSpin-struct">GtkCellRendererSpin</a>;<a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer">GtkCellRenderer</a>* <a class="link" href="GtkCellRendererSpin.html#gtk-cell-renderer-spin-new">gtk_cell_renderer_spin_new</a> (void);</pre></div><div class="refsect1" lang="en"><a name="id3836935"></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> +----GtkCellRendererSpin</pre></div><div class="refsect1" lang="en"><a name="id3836989"></a><h2>Properties</h2><pre class="synopsis"> "<a class="link" href="GtkCellRendererSpin.html#GtkCellRendererSpin--adjustment">adjustment</a>" <a class="link" href="GtkAdjustment.html" title="GtkAdjustment">GtkAdjustment</a> : Read / Write "<a class="link" href="GtkCellRendererSpin.html#GtkCellRendererSpin--climb-rate">climb-rate</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble">gdouble</a> : Read / Write "<a class="link" href="GtkCellRendererSpin.html#GtkCellRendererSpin--digits">digits</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint">guint</a> : Read / Write</pre></div><div class="refsect1" lang="en"><a name="id3837059"></a><h2>Description</h2><p><a class="link" href="GtkCellRendererSpin.html" title="GtkCellRendererSpin"><span class="type">GtkCellRendererSpin</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="GtkCellRendererSpin.html" title="GtkCellRendererSpin"><span class="type">GtkCellRendererSpin</span></a> offers a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> widget. Of course,that means that the text has to be parseable as a floating point number.</p><p>The range of the spinbutton is taken from the adjustment property of thecell renderer, which can be set explicitly or mapped to a column in the tree model, like all properties of cell renders. <a class="link" href="GtkCellRendererSpin.html" title="GtkCellRendererSpin"><span class="type">GtkCellRendererSpin</span></a>also has properties for the climb rate and the number of digits todisplay. Other <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> properties can be set in a handler for thestart-editing signal.</p><p>The <a class="link" href="GtkCellRendererSpin.html" title="GtkCellRendererSpin"><span class="type">GtkCellRendererSpin</span></a> cell renderer was added in GTK+ 2.10.</p></div><div class="refsect1" lang="en"><a name="id3837156"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id3837166"></a><h3><a name="GtkCellRendererSpin-struct"></a>GtkCellRendererSpin</h3><a class="indexterm" name="id3837179"></a><pre class="programlisting">typedef struct _GtkCellRendererSpin GtkCellRendererSpin;</pre><p></p></div><hr><div class="refsect2" lang="en"><a name="id3837195"></a><h3><a name="gtk-cell-renderer-spin-new"></a>gtk_cell_renderer_spin_new ()</h3><a class="indexterm" name="id3837210"></a><pre class="programlisting"><a class="link" href="GtkCellRenderer.html" title="GtkCellRenderer">GtkCellRenderer</a>* gtk_cell_renderer_spin_new (void);</pre><p>Creates a new <a class="link" href="GtkCellRendererSpin.html" title="GtkCellRendererSpin"><span class="type">GtkCellRendererSpin</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> a new <a class="link" href="GtkCellRendererSpin.html" title="GtkCellRendererSpin"><span class="type">GtkCellRendererSpin</span></a></td></tr></tbody></table></div><p class="since">Since 2.10</p></div></div><div class="refsect1" lang="en"><a name="id3837274"></a><h2>Property Details</h2><div class="refsect2" lang="en"><a name="id3837285"></a><h3><a name="GtkCellRendererSpin--adjustment"></a>The <code class="literal">"adjustment"</code> property</h3><a class="indexterm" name="id3837301"></a><pre class="programlisting"> "adjustment" <a class="link" href="GtkAdjustment.html" title="GtkAdjustment">GtkAdjustment</a> : Read / Write</pre><p>The adjustment that holds the value of the spinbutton. This must be non-<ahref="/usr/share/gtk-doc/html/liboil/liboil-liboiljunk.html#NULL:CAPS"><code class="literal">NULL</code></a> for the cell renderer to be editable.</p><p></p><p>Since 2.10</p></div><hr><div class="refsect2" lang="en"><a name="id3837345"></a><h3><a name="GtkCellRendererSpin--climb-rate"></a>The <code class="literal">"climb-rate"</code> property</h3><a class="indexterm" name="id3837362"></a><pre class="programlisting"> "climb-rate" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble">gdouble</a> : Read / Write</pre><p>The acceleration rate when you hold down a button.</p><p></p><p>Allowed values: >= 0</p><p>Default value: 0</p><p>Since 2.10</p></div><hr><div class="refsect2" lang="en"><a name="id3837402"></a><h3><a name="GtkCellRendererSpin--digits"></a>The <code class="literal">"digits"</code> property</h3><a class="indexterm" name="id3837418"></a><pre class="programlisting"> "digits" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint">guint</a> : Read / Write</pre><p>The number of decimal places to display.</p><p></p><p>Allowed values: <= 20</p><p>Default value: 0</p><p>Since 2.10</p></div></div><div class="refsect1" lang="en"><a name="id3837459"></a><h2>See Also</h2><p><a class="link" href="GtkCellRendererText.html" title="GtkCellRendererText"><span class="type">GtkCellRendererText</span></a>, <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a></p></div><div class="refsect1" lang="en"><a name="id3837486"></a><div class="refsect2" lang="en"><a name="id3837487"></a></div><hr><div class="refsect2" lang="en"><a name="id3837488"></a></div></div></div></body></html>⌨️ 快捷键说明
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