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<tr><td colspan="5" class="shortcuts"><nobr><a href="#id3682505" class="shortcut">Top</a>
 | 
<a href="#id3682739" class="shortcut">Description</a>
 | 
<a href="#id3682526" class="shortcut">Object Hierarchy</a>
 | 
<a href="#id3682595" class="shortcut">Implemented Interfaces</a>
 | 
<a href="#id3682618" class="shortcut">Style Properties</a></nobr></td></tr>
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<div class="refentry" lang="en">
<a name="GtkScrollbar"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2>
<a name="id3682505"></a><span class="refentrytitle">GtkScrollbar</span>
</h2>
<p>GtkScrollbar — Base class for GtkHScrollbar and GtkVScrollbar</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 href="GtkScrollbar.html#GtkScrollbar-struct">GtkScrollbar</a>;
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id3682526"></a><h2>Object Hierarchy</h2>
<pre class="synopsis">
<a
href="../gobject/gobject-The-Base-Object-Type.html#GObject"
>GObject</a>
+----<a
href="../gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned"
>GInitiallyUnowned</a>
+----<a href="GtkObject.html" title="GtkObject">GtkObject</a>
+----<a href="GtkWidget.html" title="GtkWidget">GtkWidget</a>
+----<a href="GtkRange.html" title="GtkRange">GtkRange</a>
+----GtkScrollbar
+----<a href="GtkHScrollbar.html" title="GtkHScrollbar">GtkHScrollbar</a>
+----<a href="GtkVScrollbar.html" title="GtkVScrollbar">GtkVScrollbar</a>
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id3682595"></a><h2>Implemented Interfaces</h2>
<p>
GtkScrollbar implements
AtkImplementorIface.</p>
</div>
<div class="refsect1" lang="en">
<a name="id3682618"></a><h2>Style Properties</h2>
<pre class="synopsis">
"<a href="GtkScrollbar.html#GtkScrollbar--fixed-slider-length">fixed-slider-length</a>" <a
href="../glib/glib-Basic-Types.html#gboolean"
>gboolean</a> : Read
"<a href="GtkScrollbar.html#GtkScrollbar--has-backward-stepper">has-backward-stepper</a>" <a
href="../glib/glib-Basic-Types.html#gboolean"
>gboolean</a> : Read
"<a href="GtkScrollbar.html#GtkScrollbar--has-forward-stepper">has-forward-stepper</a>" <a
href="../glib/glib-Basic-Types.html#gboolean"
>gboolean</a> : Read
"<a href="GtkScrollbar.html#GtkScrollbar--has-secondary-backward-stepper">has-secondary-backward-stepper</a>" <a
href="../glib/glib-Basic-Types.html#gboolean"
>gboolean</a> : Read
"<a href="GtkScrollbar.html#GtkScrollbar--has-secondary-forward-stepper">has-secondary-forward-stepper</a>" <a
href="../glib/glib-Basic-Types.html#gboolean"
>gboolean</a> : Read
"<a href="GtkScrollbar.html#GtkScrollbar--min-slider-length">min-slider-length</a>" <a
href="../glib/glib-Basic-Types.html#gint"
>gint</a> : Read
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id3682739"></a><h2>Description</h2>
<p>
The <a href="GtkScrollbar.html" title="GtkScrollbar"><span class="type">GtkScrollbar</span></a> widget is an abstract base class for <a href="GtkHScrollbar.html" title="GtkHScrollbar"><span class="type">GtkHScrollbar</span></a> and
<a href="GtkVScrollbar.html" title="GtkVScrollbar"><span class="type">GtkVScrollbar</span></a>. It is not very useful in itself.
</p>
<p>
The position of the thumb in a scrollbar is controlled by the scroll
adjustments. See <a href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> for the fields in an adjustment - for
<a href="GtkScrollbar.html" title="GtkScrollbar"><span class="type">GtkScrollbar</span></a>, the "value" field represents the position of the
scrollbar, which must be between the "lower" field and "upper -
page_size." The "page_size" field represents the size of the visible
scrollable area. The "step_increment" and "page_increment" fields are
used when the user asks to step down (using the small stepper arrows)
or page down (using for example the PageDown key).
</p>
</div>
<div class="refsect1" lang="en">
<a name="id3682807"></a><h2>Details</h2>
<div class="refsect2" lang="en">
<a name="id3682817"></a><h3>
<a name="GtkScrollbar-struct"></a>GtkScrollbar</h3>
<a class="indexterm" name="id3682830"></a><pre class="programlisting">typedef struct _GtkScrollbar GtkScrollbar;</pre>
<p>
The <a href="GtkScrollbar.html" title="GtkScrollbar"><span class="type">GtkScrollbar</span></a> struct does not contain any public data.
</p>
</div>
</div>
<div class="refsect1" lang="en">
<a name="id3682856"></a><h2>Style Property Details</h2>
<div class="refsect2" lang="en">
<a name="id3682867"></a><h3>
<a name="GtkScrollbar--fixed-slider-length"></a>The "<code class="literal">fixed-slider-length</code>" style property</h3>
<a class="indexterm" name="id3682884"></a><pre class="programlisting"> "fixed-slider-length" <a
href="../glib/glib-Basic-Types.html#gboolean"
>gboolean</a> : Read</pre>
<p>Don't change slider size, just lock it to the minimum length.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3682911"></a><h3>
<a name="GtkScrollbar--has-backward-stepper"></a>The "<code class="literal">has-backward-stepper</code>" style property</h3>
<a class="indexterm" name="id3682928"></a><pre class="programlisting"> "has-backward-stepper" <a
href="../glib/glib-Basic-Types.html#gboolean"
>gboolean</a> : Read</pre>
<p>Display the standard backward arrow button.</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3682955"></a><h3>
<a name="GtkScrollbar--has-forward-stepper"></a>The "<code class="literal">has-forward-stepper</code>" style property</h3>
<a class="indexterm" name="id3682972"></a><pre class="programlisting"> "has-forward-stepper" <a
href="../glib/glib-Basic-Types.html#gboolean"
>gboolean</a> : Read</pre>
<p>Display the standard forward arrow button.</p>
<p>Default value: TRUE</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3682999"></a><h3>
<a name="GtkScrollbar--has-secondary-backward-stepper"></a>The "<code class="literal">has-secondary-backward-stepper</code>" style property</h3>
<a class="indexterm" name="id3683017"></a><pre class="programlisting"> "has-secondary-backward-stepper" <a
href="../glib/glib-Basic-Types.html#gboolean"
>gboolean</a> : Read</pre>
<p>Display a second backward arrow button on the opposite end of the scrollbar.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3683045"></a><h3>
<a name="GtkScrollbar--has-secondary-forward-stepper"></a>The "<code class="literal">has-secondary-forward-stepper</code>" style property</h3>
<a class="indexterm" name="id3683063"></a><pre class="programlisting"> "has-secondary-forward-stepper" <a
href="../glib/glib-Basic-Types.html#gboolean"
>gboolean</a> : Read</pre>
<p>Display a second forward arrow button on the opposite end of the scrollbar.</p>
<p>Default value: FALSE</p>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id3683091"></a><h3>
<a name="GtkScrollbar--min-slider-length"></a>The "<code class="literal">min-slider-length</code>" style property</h3>
<a class="indexterm" name="id3683108"></a><pre class="programlisting"> "min-slider-length" <a
href="../glib/glib-Basic-Types.html#gint"
>gint</a> : Read</pre>
<p>Minimum length of scrollbar slider.</p>
<p>Allowed values: >= 0</p>
<p>Default value: 21</p>
</div>
</div>
<div class="refsect1" lang="en">
<a name="id3683140"></a><h2>See Also</h2>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td>
<span class="term"><a href="GtkHScrollbar.html" title="GtkHScrollbar"><span class="type">GtkHScrollbar</span></a></span></td>
<td><p>a horizontal scrollbar.</p></td>
</tr>
<tr>
<td>
<span class="term"><a href="GtkVScrollbar.html" title="GtkVScrollbar"><span class="type">GtkVScrollbar</span></a></span></td>
<td><p>a vertical scrollbar.</p></td>
</tr>
<tr>
<td>
<span class="term"><a href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a></span></td>
<td><p>connects scrollbars to the widget being scrolled.</p></td>
</tr>
<tr>
<td>
<span class="term"><a href="GtkScrolledWindow.html" title="GtkScrolledWindow"><span class="type">GtkScrolledWindow</span></a></span></td>
<td><p>convenient widget for setting up scrolling.</p></td>
</tr>
</tbody>
</table></div>
<p>
</p>
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