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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>GtkVScale: GTK+ 2 Reference Manual</title>
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<a href="#GtkVScale.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span>
<a href="#GtkVScale.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span>
<a href="#GtkVScale.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span>
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<div class="refentry">
<a name="GtkVScale"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="GtkVScale.top_of_page"></a>GtkVScale</span></h2>
<p>GtkVScale — A vertical slider widget for selecting a value from a range</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="GtkVScale.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_proto_type">
<col class="functions_proto_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
</td>
<td class="function_name">
<a class="link" href="GtkVScale.html#gtk-vscale-new" title="gtk_vscale_new ()">gtk_vscale_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
</td>
<td class="function_name">
<a class="link" href="GtkVScale.html#gtk-vscale-new-with-range" title="gtk_vscale_new_with_range ()">gtk_vscale_new_with_range</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkVScale.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="other_proto_type">
<col class="other_proto_name">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="GtkVScale.html#GtkVScale-struct" title="struct GtkVScale">GtkVScale</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="GtkVScale.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> GObject
<span class="lineart">╰──</span> GInitiallyUnowned
<span class="lineart">╰──</span> <a class="link" href="GtkObject.html" title="GtkObject">GtkObject</a>
<span class="lineart">╰──</span> <a class="link" href="GtkWidget.html" title="GtkWidget">GtkWidget</a>
<span class="lineart">╰──</span> <a class="link" href="GtkRange.html" title="GtkRange">GtkRange</a>
<span class="lineart">╰──</span> <a class="link" href="GtkScale.html" title="GtkScale">GtkScale</a>
<span class="lineart">╰──</span> GtkVScale
</pre>
</div>
<div class="refsect1">
<a name="GtkVScale.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GtkVScale implements
AtkImplementorIface, <a class="link" href="GtkBuildable.html" title="GtkBuildable">GtkBuildable</a> and <a class="link" href="gtk2-Orientable.html#GtkOrientable">GtkOrientable</a>.</p>
</div>
<div class="refsect1">
<a name="GtkVScale.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <gtk/gtk.h>
</pre>
</div>
<div class="refsect1">
<a name="GtkVScale.description"></a><h2>Description</h2>
<p>The <a class="link" href="GtkVScale.html" title="GtkVScale"><span class="type">GtkVScale</span></a> widget is used to allow the user to select a value using
a vertical slider. To create one, use <a class="link" href="GtkHScale.html#gtk-hscale-new-with-range" title="gtk_hscale_new_with_range ()"><code class="function">gtk_hscale_new_with_range()</code></a>.</p>
<p>The position to show the current value, and the number of decimal places
shown can be set using the parent <a class="link" href="GtkScale.html" title="GtkScale"><span class="type">GtkScale</span></a> class's functions.</p>
</div>
<div class="refsect1">
<a name="GtkVScale.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gtk-vscale-new"></a><h3>gtk_vscale_new ()</h3>
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
gtk_vscale_new (<em class="parameter"><code><a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> *adjustment</code></em>);</pre>
<p>Creates a new <a class="link" href="GtkVScale.html" title="GtkVScale"><span class="type">GtkVScale</span></a>.</p>
<div class="refsect3">
<a name="gtk-vscale-new.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>adjustment</p></td>
<td class="parameter_description"><p>the <a class="link" href="GtkAdjustment.html" title="GtkAdjustment"><span class="type">GtkAdjustment</span></a> which sets the range of the scale.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-vscale-new.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="GtkVScale.html" title="GtkVScale"><span class="type">GtkVScale</span></a>.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gtk-vscale-new-with-range"></a><h3>gtk_vscale_new_with_range ()</h3>
<pre class="programlisting"><a class="link" href="GtkWidget.html" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *
gtk_vscale_new_with_range (<em class="parameter"><code><span class="type">gdouble</span> min</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> max</code></em>,
<em class="parameter"><code><span class="type">gdouble</span> step</code></em>);</pre>
<p>Creates a new vertical scale widget that lets the user input a
number between <em class="parameter"><code>min</code></em>
and <em class="parameter"><code>max</code></em>
(including <em class="parameter"><code>min</code></em>
and <em class="parameter"><code>max</code></em>
) with the
increment <em class="parameter"><code>step</code></em>
. <em class="parameter"><code>step</code></em>
must be nonzero; it's the distance the
slider moves when using the arrow keys to adjust the scale value.</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="GtkScale.html#gtk-scale-set-digits" title="gtk_scale_set_digits ()"><code class="function">gtk_scale_set_digits()</code></a> to correct it.</p>
<div class="refsect3">
<a name="gtk-vscale-new-with-range.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>min</p></td>
<td class="parameter_description"><p>minimum value</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>max</p></td>
<td class="parameter_description"><p>maximum value</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>step</p></td>
<td class="parameter_description"><p>step increment (tick size) used with keyboard shortcuts</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gtk-vscale-new-with-range.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="GtkVScale.html" title="GtkVScale"><span class="type">GtkVScale</span></a></p>
</div>
</div>
</div>
<div class="refsect1">
<a name="GtkVScale.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GtkVScale-struct"></a><h3>struct GtkVScale</h3>
<pre class="programlisting">struct GtkVScale;</pre>
<p>The <a class="link" href="GtkVScale.html" title="GtkVScale"><span class="type">GtkVScale</span></a> struct contains private data only, and
should be accessed using the functions below.</p>
</div>
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