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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>GtkSpinButton</title>
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<a href="#GtkSpinButton.synopsis" class="shortcut">Top</a>
                   | 
                  <a href="#GtkSpinButton.description" class="shortcut">Description</a>
                   | 
                  <a href="#GtkSpinButton.object-hierarchy" class="shortcut">Object Hierarchy</a>
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                  <a href="#GtkSpinButton.implemented-interfaces" class="shortcut">Implemented Interfaces</a>
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<div class="refentry">
<a name="GtkSpinButton"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GtkSpinButton.top_of_page"></a>GtkSpinButton</span></h2>
<p>GtkSpinButton — Retrieve an integer or floating-point number from
    the user</p>
</td>
<td valign="top" align="right"><img src="spinbutton.png"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="GtkSpinButton.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;gtk/gtk.h&gt;

struct              <a class="link" href="GtkSpinButton.html#GtkSpinButton-struct" title="struct GtkSpinButton">GtkSpinButton</a>;
enum                <a class="link" href="GtkSpinButton.html#GtkSpinButtonUpdatePolicy" title="enum GtkSpinButtonUpdatePolicy">GtkSpinButtonUpdatePolicy</a>;
enum                <a class="link" href="GtkSpinButton.html#GtkSpinType" title="enum GtkSpinType">GtkSpinType</a>;
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-configure" title="gtk_spin_button_configure ()">gtk_spin_button_configure</a>           (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> *adjustment</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> climb_rate</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> digits</code></em>);
<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         <a class="link" href="GtkSpinButton.html#gtk-spin-button-new" title="gtk_spin_button_new ()">gtk_spin_button_new</a>                 (<em class="parameter"><code><a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> *adjustment</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> climb_rate</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> digits</code></em>);
<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         <a class="link" href="GtkSpinButton.html#gtk-spin-button-new-with-range" title="gtk_spin_button_new_with_range ()">gtk_spin_button_new_with_range</a>      (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> min</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> max</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> step</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-adjustment" title="gtk_spin_button_set_adjustment ()">gtk_spin_button_set_adjustment</a>      (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> *adjustment</code></em>);
<a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="returnvalue">GtkAdjustment</span></a> *     <a class="link" href="GtkSpinButton.html#gtk-spin-button-get-adjustment" title="gtk_spin_button_get_adjustment ()">gtk_spin_button_get_adjustment</a>      (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-digits" title="gtk_spin_button_set_digits ()">gtk_spin_button_set_digits</a>          (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> digits</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-increments" title="gtk_spin_button_set_increments ()">gtk_spin_button_set_increments</a>      (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> step</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> page</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-range" title="gtk_spin_button_set_range ()">gtk_spin_button_set_range</a>           (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> min</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> max</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-get-value-as-int" title="gtk_spin_button_get_value_as_int ()">gtk_spin_button_get_value_as_int</a>    (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-value" title="gtk_spin_button_set_value ()">gtk_spin_button_set_value</a>           (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> value</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-update-policy" title="gtk_spin_button_set_update_policy ()">gtk_spin_button_set_update_policy</a>   (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GtkSpinButton.html#GtkSpinButtonUpdatePolicy" title="enum GtkSpinButtonUpdatePolicy"><span class="type">GtkSpinButtonUpdatePolicy</span></a> policy</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-numeric" title="gtk_spin_button_set_numeric ()">gtk_spin_button_set_numeric</a>         (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> numeric</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-spin" title="gtk_spin_button_spin ()">gtk_spin_button_spin</a>                (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GtkSpinButton.html#GtkSpinType" title="enum GtkSpinType"><span class="type">GtkSpinType</span></a> direction</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> increment</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-wrap" title="gtk_spin_button_set_wrap ()">gtk_spin_button_set_wrap</a>            (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> wrap</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-snap-to-ticks" title="gtk_spin_button_set_snap_to_ticks ()">gtk_spin_button_set_snap_to_ticks</a>   (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> snap_to_ticks</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-update" title="gtk_spin_button_update ()">gtk_spin_button_update</a>              (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               <a class="link" href="GtkSpinButton.html#gtk-spin-button-get-digits" title="gtk_spin_button_get_digits ()">gtk_spin_button_get_digits</a>          (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-get-increments" title="gtk_spin_button_get_increments ()">gtk_spin_button_get_increments</a>      (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *step</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *page</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="GtkSpinButton.html#gtk-spin-button-get-numeric" title="gtk_spin_button_get_numeric ()">gtk_spin_button_get_numeric</a>         (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="GtkSpinButton.html#gtk-spin-button-get-range" title="gtk_spin_button_get_range ()">gtk_spin_button_get_range</a>           (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *min</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *max</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="GtkSpinButton.html#gtk-spin-button-get-snap-to-ticks" title="gtk_spin_button_get_snap_to_ticks ()">gtk_spin_button_get_snap_to_ticks</a>   (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);
<a class="link" href="GtkSpinButton.html#GtkSpinButtonUpdatePolicy" title="enum GtkSpinButtonUpdatePolicy"><span class="returnvalue">GtkSpinButtonUpdatePolicy</span></a> <a class="link" href="GtkSpinButton.html#gtk-spin-button-get-update-policy" title="gtk_spin_button_get_update_policy ()">gtk_spin_button_get_update_policy</a>
                                                        (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a>             <a class="link" href="GtkSpinButton.html#gtk-spin-button-get-value" title="gtk_spin_button_get_value ()">gtk_spin_button_get_value</a>           (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            <a class="link" href="GtkSpinButton.html#gtk-spin-button-get-wrap" title="gtk_spin_button_get_wrap ()">gtk_spin_button_get_wrap</a>            (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);
#define             <a class="link" href="GtkSpinButton.html#GTK-INPUT-ERROR:CAPS" title="GTK_INPUT_ERROR">GTK_INPUT_ERROR</a>
</pre>
</div>
<div class="refsect1">
<a name="GtkSpinButton.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
  <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>
   +----<a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
         +----<a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>
               +----<a class="link" href="GtkEntry.html" title="GtkEntry">GtkEntry</a>
                     +----GtkSpinButton
</pre>
</div>
<div class="refsect1">
<a name="GtkSpinButton.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GtkSpinButton implements
 AtkImplementorIface,  <a class="link" href="GtkBuildable.html" title="GtkBuildable">GtkBuildable</a>,  <a class="link" href="GtkEditable.html" title="GtkEditable">GtkEditable</a> and  <a class="link" href="GtkCellEditable.html" title="GtkCellEditable">GtkCellEditable</a>.</p>
</div>
<div class="refsect1">
<a name="GtkSpinButton.properties"></a><h2>Properties</h2>
<pre class="synopsis">
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton--adjustment" title='The "adjustment" property'>adjustment</a>"               <a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a>*        : Read / Write
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton--climb-rate" title='The "climb-rate" property'>climb-rate</a>"               <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a>               : Read / Write
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton--digits" title='The "digits" property'>digits</a>"                   <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a>                 : Read / Write
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton--numeric" title='The "numeric" property'>numeric</a>"                  <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton--snap-to-ticks" title='The "snap-to-ticks" property'>snap-to-ticks</a>"            <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton--update-policy" title='The "update-policy" property'>update-policy</a>"            <a class="link" href="GtkSpinButton.html#GtkSpinButtonUpdatePolicy" title="enum GtkSpinButtonUpdatePolicy"><span class="type">GtkSpinButtonUpdatePolicy</span></a>  : Read / Write
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton--value" title='The "value" property'>value</a>"                    <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a>               : Read / Write
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton--wrap" title='The "wrap" property'>wrap</a>"                     <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write
</pre>
</div>
<div class="refsect1">
<a name="GtkSpinButton.style-properties"></a><h2>Style Properties</h2>
<pre class="synopsis">
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton--s-shadow-type" title='The "shadow-type" style property'>shadow-type</a>"              <a class="link" href="gtk3-Standard-Enumerations.html#GtkShadowType" title="enum GtkShadowType"><span class="type">GtkShadowType</span></a>         : Read
</pre>
</div>
<div class="refsect1">
<a name="GtkSpinButton.signals"></a><h2>Signals</h2>
<pre class="synopsis">
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton-change-value" title='The "change-value" signal'>change-value</a>"                                   : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-ACTION:CAPS"><code class="literal">Action</code></a>
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton-input" title='The "input" signal'>input</a>"                                          : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton-output" title='The "output" signal'>output</a>"                                         : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton-value-changed" title='The "value-changed" signal'>value-changed</a>"                                  : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
  "<a class="link" href="GtkSpinButton.html#GtkSpinButton-wrapped" title='The "wrapped" signal'>wrapped</a>"                                        : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a>
</pre>
</div>
<div class="refsect1">
<a name="GtkSpinButton.description"></a><h2>Description</h2>
<p>
A <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> is an ideal way to allow the user to set the value of
some attribute. Rather than having to directly type a number into a
<a class="link" href="GtkEntry.html" title="GtkEntry"><span class="type">GtkEntry</span></a>, GtkSpinButton allows the user to click on one of two arrows
to increment or decrement the displayed value. A value can still be
typed in, with the bonus that it can be checked to ensure it is in a
given range.
</p>
<p>
The main properties of a GtkSpinButton are through an adjustment.
See the <a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> section for more details about an adjustment's
properties.
</p>
<p>
</p>
<div class="example">
<a name="idp30507144"></a><p class="title"><b>Example 55. Using a GtkSpinButton to get an integer</b></p>
<div class="example-contents"><pre class="programlisting">
/* Provides a function to retrieve an integer value from a
 * GtkSpinButton and creates a spin button to model percentage
 * values.
 */

gint
grab_int_value (GtkSpinButton *button,
                gpointer       user_data)
{
  return gtk_spin_button_get_value_as_int (button);
}

void
create_integer_spin_button (void)
{

  GtkWidget *window, *button;
  GtkAdjustment *adjustment;

  adjustment = gtk_adjustment_new (50.0, 0.0, 100.0, 1.0, 5.0, 0.0);

  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_container_set_border_width (GTK_CONTAINER (window), 5);

  /* creates the spinbutton, with no decimal places */
  button = gtk_spin_button_new (adjustment, 1.0, 0);
  gtk_container_add (GTK_CONTAINER (window), button);

  gtk_widget_show_all (window);
}
</pre></div>
</div>
<p><br class="example-break">
</p>
<p>
</p>
<div class="example">
<a name="idp29259864"></a><p class="title"><b>Example 56. Using a GtkSpinButton to get a floating point value</b></p>
<div class="example-contents"><pre class="programlisting">
/* Provides a function to retrieve a floating point value from a
 * GtkSpinButton, and creates a high precision spin button.
 */

gfloat
grab_float_value (GtkSpinButton *button,
                  gpointer       user_data)
{
  return gtk_spin_button_get_value (button);
}

void
create_floating_spin_button (void)
{
  GtkWidget *window, *button;
  GtkAdjustment *adjustment;

  adjustment = gtk_adjustment_new (2.500, 0.0, 5.0, 0.001, 0.1, 0.0);

  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
  gtk_container_set_border_width (GTK_CONTAINER (window), 5);

  /* creates the spinbutton, with three decimal places */
  button = gtk_spin_button_new (adjustment, 0.001, 3);
  gtk_container_add (GTK_CONTAINER (window), button);

  gtk_widget_show_all (window);
}
</pre></div>
</div>
<p><br class="example-break">
</p>
</div>
<div class="refsect1">
<a name="GtkSpinButton.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GtkSpinButton-struct"></a><h3>struct GtkSpinButton</h3>
<pre class="programlisting">struct GtkSpinButton;</pre>
<p>
The <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> struct contains only private data and should
not be directly modified.
</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButtonUpdatePolicy"></a><h3>enum GtkSpinButtonUpdatePolicy</h3>
<pre class="programlisting">typedef enum {
  GTK_UPDATE_ALWAYS,
  GTK_UPDATE_IF_VALID
} GtkSpinButtonUpdatePolicy;
</pre>
<p>
The spin button update policy determines whether the spin button displays
values even if they are outside the bounds of its adjustment.
See <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-update-policy" title="gtk_spin_button_set_update_policy ()"><code class="function">gtk_spin_button_set_update_policy()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GTK-UPDATE-ALWAYS:CAPS"></a><span class="term"><code class="literal">GTK_UPDATE_ALWAYS</code></span></p></td>
<td>When refreshing your <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>, the value is
    always displayed
</td>
</tr>
<tr>
<td><p><a name="GTK-UPDATE-IF-VALID:CAPS"></a><span class="term"><code class="literal">GTK_UPDATE_IF_VALID</code></span></p></td>
<td>When refreshing your <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>, the value is
    only displayed if it is valid within the bounds of the spin button's
    adjustment
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinType"></a><h3>enum GtkSpinType</h3>
<pre class="programlisting">typedef enum {
  GTK_SPIN_STEP_FORWARD,
  GTK_SPIN_STEP_BACKWARD,
  GTK_SPIN_PAGE_FORWARD,
  GTK_SPIN_PAGE_BACKWARD,
  GTK_SPIN_HOME,
  GTK_SPIN_END,
  GTK_SPIN_USER_DEFINED
} GtkSpinType;
</pre>
<p>
The values of the GtkSpinType enumeration are used to specify the
change to make in <a class="link" href="GtkSpinButton.html#gtk-spin-button-spin" title="gtk_spin_button_spin ()"><code class="function">gtk_spin_button_spin()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><a name="GTK-SPIN-STEP-FORWARD:CAPS"></a><span class="term"><code class="literal">GTK_SPIN_STEP_FORWARD</code></span></p></td>
<td>Increment by the adjustments step increment.
</td>
</tr>
<tr>
<td><p><a name="GTK-SPIN-STEP-BACKWARD:CAPS"></a><span class="term"><code class="literal">GTK_SPIN_STEP_BACKWARD</code></span></p></td>
<td>Decrement by the adjustments step increment.
</td>
</tr>
<tr>
<td><p><a name="GTK-SPIN-PAGE-FORWARD:CAPS"></a><span class="term"><code class="literal">GTK_SPIN_PAGE_FORWARD</code></span></p></td>
<td>Increment by the adjustments page increment.
</td>
</tr>
<tr>
<td><p><a name="GTK-SPIN-PAGE-BACKWARD:CAPS"></a><span class="term"><code class="literal">GTK_SPIN_PAGE_BACKWARD</code></span></p></td>
<td>Decrement by the adjustments page increment.
</td>
</tr>
<tr>
<td><p><a name="GTK-SPIN-HOME:CAPS"></a><span class="term"><code class="literal">GTK_SPIN_HOME</code></span></p></td>
<td>Go to the adjustments lower bound.
</td>
</tr>
<tr>
<td><p><a name="GTK-SPIN-END:CAPS"></a><span class="term"><code class="literal">GTK_SPIN_END</code></span></p></td>
<td>Go to the adjustments upper bound.
</td>
</tr>
<tr>
<td><p><a name="GTK-SPIN-USER-DEFINED:CAPS"></a><span class="term"><code class="literal">GTK_SPIN_USER_DEFINED</code></span></p></td>
<td>Change by a specified amount.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-configure"></a><h3>gtk_spin_button_configure ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_configure           (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> *adjustment</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> climb_rate</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> digits</code></em>);</pre>
<p>
Changes the properties of an existing spin button. The adjustment,
climb rate, and number of decimal places are all changed accordingly,
after this function call.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>adjustment</code></em> :</span></p></td>
<td>a <a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a>. <span class="annotation">[<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"><em class="parameter"><code>climb_rate</code></em> :</span></p></td>
<td>the new climb rate</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>digits</code></em> :</span></p></td>
<td>the number of decimal places to display in the spin button</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-new"></a><h3>gtk_spin_button_new ()</h3>
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         gtk_spin_button_new                 (<em class="parameter"><code><a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> *adjustment</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> climb_rate</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> digits</code></em>);</pre>
<p>
Creates a new <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>adjustment</code></em> :</span></p></td>
<td>the <a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> object that this spin
button should use, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. <span class="annotation">[<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"><em class="parameter"><code>climb_rate</code></em> :</span></p></td>
<td>specifies how much the spin button changes when an arrow
is clicked on</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>digits</code></em> :</span></p></td>
<td>the number of decimal places to display</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The new spin button as a <a class="link" href="GtkWidget.html" title="GtkWidget"><span class="type">GtkWidget</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-new-with-range"></a><h3>gtk_spin_button_new_with_range ()</h3>
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         gtk_spin_button_new_with_range      (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> min</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> max</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> step</code></em>);</pre>
<p>
This is a convenience constructor that allows creation of a numeric
<a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> without manually creating an adjustment. The value is
initially set to the minimum value and a page increment of 10 * <em class="parameter"><code>step</code></em>
is the default. The precision of the spin button is equivalent to the
precision of <em class="parameter"><code>step</code></em>.
</p>
<p>
Note that the way in which the precision is derived works best if <em class="parameter"><code>step</code></em>
is a power of ten. If the resulting precision is not suitable for your
needs, use <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-digits" title="gtk_spin_button_set_digits ()"><code class="function">gtk_spin_button_set_digits()</code></a> to correct it.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>min</code></em> :</span></p></td>
<td>Minimum allowable value</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>max</code></em> :</span></p></td>
<td>Maximum allowable value</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>step</code></em> :</span></p></td>
<td>Increment added or subtracted by spinning the widget</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>The new spin button as a <a class="link" href="GtkWidget.html" title="GtkWidget"><span class="type">GtkWidget</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-set-adjustment"></a><h3>gtk_spin_button_set_adjustment ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_set_adjustment      (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> *adjustment</code></em>);</pre>
<p>
Replaces the <a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> associated with <em class="parameter"><code>spin_button</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>adjustment</code></em> :</span></p></td>
<td>a <a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> to replace the existing adjustment</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-get-adjustment"></a><h3>gtk_spin_button_get_adjustment ()</h3>
<pre class="programlisting"><a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="returnvalue">GtkAdjustment</span></a> *     gtk_spin_button_get_adjustment      (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);</pre>
<p>
Get the adjustment associated with a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the <a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> of <em class="parameter"><code>spin_button</code></em>. <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-spin-button-set-digits"></a><h3>gtk_spin_button_set_digits ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_set_digits          (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> digits</code></em>);</pre>
<p>
Set the precision to be displayed by <em class="parameter"><code>spin_button</code></em>. Up to 20 digit precision
is allowed.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>digits</code></em> :</span></p></td>
<td>the number of digits after the decimal point to be displayed for the spin button's value</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-set-increments"></a><h3>gtk_spin_button_set_increments ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_set_increments      (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> step</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> page</code></em>);</pre>
<p>
Sets the step and page increments for spin_button.  This affects how
quickly the value changes when the spin button's arrows are activated.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>step</code></em> :</span></p></td>
<td>increment applied for a button 1 press.</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>page</code></em> :</span></p></td>
<td>increment applied for a button 2 press.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-set-range"></a><h3>gtk_spin_button_set_range ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_set_range           (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> min</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> max</code></em>);</pre>
<p>
Sets the minimum and maximum allowable values for <em class="parameter"><code>spin_button</code></em>.
</p>
<p>
If the current value is outside this range, it will be adjusted
to fit within the range, otherwise it will remain unchanged.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>min</code></em> :</span></p></td>
<td>minimum allowable value</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>max</code></em> :</span></p></td>
<td>maximum allowable value</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-get-value-as-int"></a><h3>gtk_spin_button_get_value_as_int ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>                gtk_spin_button_get_value_as_int    (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);</pre>
<p>
Get the value <em class="parameter"><code>spin_button</code></em> represented as an integer.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the value of <em class="parameter"><code>spin_button</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-set-value"></a><h3>gtk_spin_button_set_value ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_set_value           (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> value</code></em>);</pre>
<p>
Sets the value of <em class="parameter"><code>spin_button</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td>
<td>the new value</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-set-update-policy"></a><h3>gtk_spin_button_set_update_policy ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_set_update_policy   (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GtkSpinButton.html#GtkSpinButtonUpdatePolicy" title="enum GtkSpinButtonUpdatePolicy"><span class="type">GtkSpinButtonUpdatePolicy</span></a> policy</code></em>);</pre>
<p>
Sets the update behavior of a spin button.
This determines wether the spin button is always updated
or only when a valid value is set.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>policy</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html#GtkSpinButtonUpdatePolicy" title="enum GtkSpinButtonUpdatePolicy"><span class="type">GtkSpinButtonUpdatePolicy</span></a> value</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-set-numeric"></a><h3>gtk_spin_button_set_numeric ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_set_numeric         (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> numeric</code></em>);</pre>
<p>
Sets the flag that determines if non-numeric text can be typed
into the spin button.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>numeric</code></em> :</span></p></td>
<td>flag indicating if only numeric entry is allowed</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-spin"></a><h3>gtk_spin_button_spin ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_spin                (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a class="link" href="GtkSpinButton.html#GtkSpinType" title="enum GtkSpinType"><span class="type">GtkSpinType</span></a> direction</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> increment</code></em>);</pre>
<p>
Increment or decrement a spin button's value in a specified
direction by a specified amount.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>direction</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html#GtkSpinType" title="enum GtkSpinType"><span class="type">GtkSpinType</span></a> indicating the direction to spin</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>increment</code></em> :</span></p></td>
<td>step increment to apply in the specified direction</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-set-wrap"></a><h3>gtk_spin_button_set_wrap ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_set_wrap            (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> wrap</code></em>);</pre>
<p>
Sets the flag that determines if a spin button value wraps
around to the opposite limit when the upper or lower limit
of the range is exceeded.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>wrap</code></em> :</span></p></td>
<td>a flag indicating if wrapping behavior is performed</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-set-snap-to-ticks"></a><h3>gtk_spin_button_set_snap_to_ticks ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_set_snap_to_ticks   (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a> snap_to_ticks</code></em>);</pre>
<p>
Sets the policy as to whether values are corrected to the
nearest step increment when a spin button is activated after
providing an invalid value.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>snap_to_ticks</code></em> :</span></p></td>
<td>a flag indicating if invalid values should be corrected</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-update"></a><h3>gtk_spin_button_update ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_update              (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);</pre>
<p>
Manually force an update of the spin button.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-get-digits"></a><h3>gtk_spin_button_get_digits ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>               gtk_spin_button_get_digits          (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);</pre>
<p>
Fetches the precision of <em class="parameter"><code>spin_button</code></em>. See <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-digits" title="gtk_spin_button_set_digits ()"><code class="function">gtk_spin_button_set_digits()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the current precision</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-get-increments"></a><h3>gtk_spin_button_get_increments ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_get_increments      (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *step</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *page</code></em>);</pre>
<p>
Gets the current step and page the increments used by <em class="parameter"><code>spin_button</code></em>. See
<a class="link" href="GtkSpinButton.html#gtk-spin-button-set-increments" title="gtk_spin_button_set_increments ()"><code class="function">gtk_spin_button_set_increments()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>step</code></em> :</span></p></td>
<td>location to store step increment, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.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>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>page</code></em> :</span></p></td>
<td>location to store page increment, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.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>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-get-numeric"></a><h3>gtk_spin_button_get_numeric ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gtk_spin_button_get_numeric         (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);</pre>
<p>
Returns whether non-numeric text can be typed into the spin button.
See <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-numeric" title="gtk_spin_button_set_numeric ()"><code class="function">gtk_spin_button_set_numeric()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if only numeric text can be entered</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-get-range"></a><h3>gtk_spin_button_get_range ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_spin_button_get_range           (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *min</code></em>,
                                                         <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> *max</code></em>);</pre>
<p>
Gets the range allowed for <em class="parameter"><code>spin_button</code></em>.
See <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-range" title="gtk_spin_button_set_range ()"><code class="function">gtk_spin_button_set_range()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>min</code></em> :</span></p></td>
<td>location to store minimum allowed value, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.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>]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>max</code></em> :</span></p></td>
<td>location to store maximum allowed value, or <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.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>]</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-get-snap-to-ticks"></a><h3>gtk_spin_button_get_snap_to_ticks ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gtk_spin_button_get_snap_to_ticks   (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);</pre>
<p>
Returns whether the values are corrected to the nearest step.
See <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-snap-to-ticks" title="gtk_spin_button_set_snap_to_ticks ()"><code class="function">gtk_spin_button_set_snap_to_ticks()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if values are snapped to the nearest step</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-get-update-policy"></a><h3>gtk_spin_button_get_update_policy ()</h3>
<pre class="programlisting"><a class="link" href="GtkSpinButton.html#GtkSpinButtonUpdatePolicy" title="enum GtkSpinButtonUpdatePolicy"><span class="returnvalue">GtkSpinButtonUpdatePolicy</span></a> gtk_spin_button_get_update_policy
                                                        (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);</pre>
<p>
Gets the update behavior of a spin button.
See <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-update-policy" title="gtk_spin_button_set_update_policy ()"><code class="function">gtk_spin_button_set_update_policy()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the current update policy</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-get-value"></a><h3>gtk_spin_button_get_value ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a>             gtk_spin_button_get_value           (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);</pre>
<p>
Get the value in the <em class="parameter"><code>spin_button</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the value of <em class="parameter"><code>spin_button</code></em>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-spin-button-get-wrap"></a><h3>gtk_spin_button_get_wrap ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            gtk_spin_button_get_wrap            (<em class="parameter"><code><a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button</code></em>);</pre>
<p>
Returns whether the spin button's value wraps around to the
opposite limit when the upper or lower limit of the range is
exceeded. See <a class="link" href="GtkSpinButton.html#gtk-spin-button-set-wrap" title="gtk_spin_button_set_wrap ()"><code class="function">gtk_spin_button_set_wrap()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>a <a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the spin button wraps around</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GTK-INPUT-ERROR:CAPS"></a><h3>GTK_INPUT_ERROR</h3>
<pre class="programlisting">#define GTK_INPUT_ERROR -1
</pre>
<p>
Constant to return from a signal handler for the <a class="link" href="GtkSpinButton.html#GtkSpinButton-input" title='The "input" signal'><span class="type">"input"</span></a>
signal in case of conversion failure.
</p>
</div>
</div>
<div class="refsect1">
<a name="GtkSpinButton.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GtkSpinButton--adjustment"></a><h3>The <code class="literal">"adjustment"</code> property</h3>
<pre class="programlisting">  "adjustment"               <a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a>*        : Read / Write</pre>
<p>The adjustment that holds the value of the spin button.</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButton--climb-rate"></a><h3>The <code class="literal">"climb-rate"</code> property</h3>
<pre class="programlisting">  "climb-rate"               <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a>               : Read / Write</pre>
<p>The acceleration rate when you hold down a button.</p>
<p>Allowed values: &gt;= 0</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButton--digits"></a><h3>The <code class="literal">"digits"</code> property</h3>
<pre class="programlisting">  "digits"                   <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a>                 : Read / Write</pre>
<p>The number of decimal places to display.</p>
<p>Allowed values: &lt;= 20</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButton--numeric"></a><h3>The <code class="literal">"numeric"</code> property</h3>
<pre class="programlisting">  "numeric"                  <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write</pre>
<p>Whether non-numeric characters should be ignored.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButton--snap-to-ticks"></a><h3>The <code class="literal">"snap-to-ticks"</code> property</h3>
<pre class="programlisting">  "snap-to-ticks"            <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write</pre>
<p>Whether erroneous values are automatically changed to a spin button's nearest step increment.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButton--update-policy"></a><h3>The <code class="literal">"update-policy"</code> property</h3>
<pre class="programlisting">  "update-policy"            <a class="link" href="GtkSpinButton.html#GtkSpinButtonUpdatePolicy" title="enum GtkSpinButtonUpdatePolicy"><span class="type">GtkSpinButtonUpdatePolicy</span></a>  : Read / Write</pre>
<p>Whether the spin button should update always, or only when the value is legal.</p>
<p>Default value: GTK_UPDATE_ALWAYS</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButton--value"></a><h3>The <code class="literal">"value"</code> property</h3>
<pre class="programlisting">  "value"                    <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a>               : Read / Write</pre>
<p>Reads the current value, or sets a new value.</p>
<p>Default value: 0</p>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButton--wrap"></a><h3>The <code class="literal">"wrap"</code> property</h3>
<pre class="programlisting">  "wrap"                     <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="type">gboolean</span></a>              : Read / Write</pre>
<p>Whether a spin button should wrap upon reaching its limits.</p>
<p>Default value: FALSE</p>
</div>
</div>
<div class="refsect1">
<a name="GtkSpinButton.style-property-details"></a><h2>Style Property Details</h2>
<div class="refsect2">
<a name="GtkSpinButton--s-shadow-type"></a><h3>The <code class="literal">"shadow-type"</code> style property</h3>
<pre class="programlisting">  "shadow-type"              <a class="link" href="gtk3-Standard-Enumerations.html#GtkShadowType" title="enum GtkShadowType"><span class="type">GtkShadowType</span></a>         : Read</pre>
<p>Style of bevel around the spin button.</p>
<p>Default value: GTK_SHADOW_IN</p>
</div>
</div>
<div class="refsect1">
<a name="GtkSpinButton.signal-details"></a><h2>Signal Details</h2>
<div class="refsect2">
<a name="GtkSpinButton-change-value"></a><h3>The <code class="literal">"change-value"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spinbutton,
                                                        <a class="link" href="gtk3-Standard-Enumerations.html#GtkScrollType" title="enum GtkScrollType"><span class="type">GtkScrollType</span></a>  arg1,
                                                        <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>       user_data)       : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-ACTION:CAPS"><code class="literal">Action</code></a></pre>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButton-input"></a><h3>The <code class="literal">"input"</code> signal</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="returnvalue">gint</span></a>                user_function                      (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button,
                                                        <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>       new_value,
                                                        <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>       user_data)        : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
The ::input signal can be used to influence the conversion of
the users input into a double value. The signal handler is
expected to use <a class="link" href="GtkEntry.html#gtk-entry-get-text" title="gtk_entry_get_text ()"><code class="function">gtk_entry_get_text()</code></a> to retrieve the text of
the entry and set <em class="parameter"><code>new_value</code></em> to the new value.
</p>
<p>
The default conversion uses <a href="/usr/share/gtk-doc/html/glib/glib-String-Utility-Functions.html#g-strtod"><code class="function">g_strtod()</code></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</code></em> :</span></p></td>
<td>the object on which the signal was emitted</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>new_value</code></em> :</span></p></td>
<td>return location for the new value. <span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>][<acronym title="Override the parsed C type with given type"><span class="acronym">type</span></acronym> double]</span>
</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>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> for a successful conversion, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a> if the input
was not handled, and <a class="link" href="GtkSpinButton.html#GTK-INPUT-ERROR:CAPS" title="GTK_INPUT_ERROR"><code class="literal">GTK_INPUT_ERROR</code></a> if the conversion failed.</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButton-output"></a><h3>The <code class="literal">"output"</code> signal</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>            user_function                      (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spin_button,
                                                        <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>       user_data)        : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
The ::output signal can be used to change to formatting
of the value that is displayed in the spin buttons entry.
</p>
<div class="informalexample"><pre class="programlisting">
/* show leading zeros */
static gboolean
on_output (GtkSpinButton *spin,
           gpointer       data)
{
   GtkAdjustment *adjustment;
   gchar *text;
   int value;
   adjustment = gtk_spin_button_get_adjustment (spin);
   value = (int)gtk_adjustment_get_value (adjustment);
   text = g_strdup_printf ("%02d", value);
   gtk_entry_set_text (GTK_ENTRY (spin), text);
   g_free (text);

   return TRUE;
}
</pre></div>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spin_button</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>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>
<a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the value has been displayed</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButton-value-changed"></a><h3>The <code class="literal">"value-changed"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spinbutton,
                                                        <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>       user_data)       : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
</div>
<hr>
<div class="refsect2">
<a name="GtkSpinButton-wrapped"></a><h3>The <code class="literal">"wrapped"</code> signal</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                user_function                      (<a class="link" href="GtkSpinButton.html" title="GtkSpinButton"><span class="type">GtkSpinButton</span></a> *spinbutton,
                                                        <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gpointer"><span class="type">gpointer</span></a>       user_data)       : <a href="/usr/share/gtk-doc/html/gobject/gobject-Signals.html#G-SIGNAL-RUN-LAST:CAPS"><code class="literal">Run Last</code></a></pre>
<p>
The wrapped signal is emitted right after the spinbutton wraps
from its maximum to minimum value or vice-versa.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>spinbutton</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>
<p class="since">Since 2.10</p>
</div>
</div>
<div class="refsect1">
<a name="GtkSpinButton.see-also"></a><h2>See Also</h2>
<a class="link" href="GtkEntry.html" title="GtkEntry"><span class="type">GtkEntry</span></a>
</div>
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