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GtkScale

<!-- ##### SECTION Short_Description ##### -->
Base class for GtkHScale and GtkVScale

<!-- ##### SECTION Long_Description ##### -->
<para>
A #GtkScale is a slider control used to select a numeric value.
To use it, you'll probably want to investigate the methods on
its base class, #GtkRange, in addition to the methods for #GtkScale itself.
To set the value of a scale, you would normally use gtk_range_set_value().
To detect changes to the value, you would normally use the "value_changed"
signal.
</para>
<para>
The #GtkScale widget is an abstract class, used only for deriving the
subclasses #GtkHScale and #GtkVScale. To create a scale widget,
call gtk_hscale_new_with_range() or gtk_vscale_new_with_range().
</para>

<refsect2 id="GtkScale-BUILDER-UI"><title>GtkScale as GtkBuildable</title>
<para>
GtkScale supports a custom &lt;marks&gt; element, which
can contain multiple &lt;mark&gt; elements. The "value" and "position"
attributes have the same meaning as gtk_scale_add_mark() parameters of the
same name. If the element is not empty, its content is taken as the markup
to show at the mark. It can be translated with the usual "translatable and
"context" attributes.
</para>
</refsect2>

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<para>

</para>

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<!-- ##### SECTION Image ##### -->


<!-- ##### STRUCT GtkScale ##### -->
<para>
The fields of the #GtkScale-struct struct should only be accessed via
the accessor functions.
</para>


<!-- ##### SIGNAL GtkScale::format-value ##### -->
<para>

</para>

@scale: 
@value: 
@Returns: 

<!-- ##### ARG GtkScale:digits ##### -->
<para>

</para>

<!-- ##### ARG GtkScale:draw-value ##### -->
<para>

</para>

<!-- ##### ARG GtkScale:value-pos ##### -->
<para>

</para>

<!-- ##### ARG GtkScale:slider-length ##### -->
<para>

</para>

<!-- ##### ARG GtkScale:value-spacing ##### -->
<para>

</para>

<!-- ##### FUNCTION gtk_scale_set_digits ##### -->
<para>

</para>

@scale: 
@digits: 


<!-- ##### FUNCTION gtk_scale_set_draw_value ##### -->
<para>

</para>

@scale: 
@draw_value: 


<!-- ##### FUNCTION gtk_scale_set_value_pos ##### -->
<para>

</para>

@scale: 
@pos: 


<!-- ##### FUNCTION gtk_scale_get_digits ##### -->
<para>

</para>

@scale: 
@Returns: 


<!-- ##### FUNCTION gtk_scale_get_draw_value ##### -->
<para>

</para>

@scale: 
@Returns: 


<!-- ##### FUNCTION gtk_scale_get_value_pos ##### -->
<para>

</para>

@scale: 
@Returns: 


<!-- ##### FUNCTION gtk_scale_get_layout ##### -->
<para>

</para>

@scale: 
@Returns: 


<!-- ##### FUNCTION gtk_scale_get_layout_offsets ##### -->
<para>

</para>

@scale: 
@x: 
@y: 


<!-- ##### FUNCTION gtk_scale_add_mark ##### -->
<para>

</para>

@scale: 
@value: 
@position: 
@markup: 


<!-- ##### FUNCTION gtk_scale_clear_marks ##### -->
<para>

</para>

@scale: 


