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<h2><span class="refentrytitle"><a name="RBRandomPlayOrder.top_of_page"></a>rb-play-order-random</span></h2>
<p>rb-play-order-random — base class for weighted random play orders</p>
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<a name="RBRandomPlayOrder.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
<a class="link" href="RBRandomPlayOrder.html#RBRandomPlayOrder-struct" title="RBRandomPlayOrder">RBRandomPlayOrder</a>;
<a class="link" href="RBRandomPlayOrder.html#RBRandomPlayOrderClass" title="RBRandomPlayOrderClass">RBRandomPlayOrderClass</a>;
</pre>
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<div class="refsect1" lang="en">
<a name="RBRandomPlayOrder.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 class="link" href="RBPlayOrder.html" title="rb-play-order">RBPlayOrder</a>
+----RBRandomPlayOrder
</pre>
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<div class="refsect1" lang="en">
<a name="RBRandomPlayOrder.description"></a><h2>Description</h2>
<p>
Subclasses only need to override <code class="function">get_entry_weight()</code> to return the
right weight for a given entry.
</p>
<p>
This class also delays committing any changes until the user moves to the
next or previous song. So if the user changes the entry-view to contain
different songs, but changes it back before the current song finishes, they
will not see any changes to their history of played songs.</p>
<p>
</p>
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<div class="refsect1" lang="en">
<a name="RBRandomPlayOrder.details"></a><h2>Details</h2>
<div class="refsect2" lang="en">
<a name="RBRandomPlayOrder-struct"></a><h3>RBRandomPlayOrder</h3>
<pre class="programlisting">typedef struct _RBRandomPlayOrder RBRandomPlayOrder;</pre>
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<div class="refsect2" lang="en">
<a name="RBRandomPlayOrderClass"></a><h3>RBRandomPlayOrderClass</h3>
<pre class="programlisting">typedef struct {
RBPlayOrderClass parent_class;
/**
* This method should return a weight for the given @entry.
*
* The @db will be locked when this method is called.
*/
double (*get_entry_weight) (RBRandomPlayOrder *rorder, RhythmDB *db, RhythmDBEntry *entry);
} RBRandomPlayOrderClass;
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