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<span id="Joysticks"></span><div class="header">
<p>
Next: <a href="Game-Controllers.html" accesskey="n" rel="next">Game Controllers</a>, Previous: <a href="Mouse.html" accesskey="p" rel="prev">Mouse</a>, Up: <a href="Input.html" accesskey="u" rel="up">Input</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p>
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<hr>
<span id="Joysticks-1"></span><h4 class="subsection">3.3.3 Joysticks</h4>
<div class="example">
<pre class="example">(use-modules (sdl2 input joystick))
</pre></div>
<dl>
<dt id="index-num_002djoysticks">Procedure: <strong>num-joysticks</strong></dt>
<dd><p>Return the current number of connected joystick devices.
</p></dd></dl>
<dl>
<dt id="index-open_002djoystick">Procedure: <strong>open-joystick</strong> <em>device-index</em></dt>
<dd><p>Return a joystick object for the physical joystick device associated
with <var>device-index</var>.
</p></dd></dl>
<dl>
<dt id="index-close_002djoystick">Procedure: <strong>close-joystick</strong> <em>joystick</em></dt>
<dd><p>Close <var>joystick</var>.
</p></dd></dl>
<dl>
<dt id="index-joystick_002dinstance_002did">Procedure: <strong>joystick-instance-id</strong> <em>joystick</em></dt>
<dd><p>Return the instance id of <var>joystick</var>.
</p></dd></dl>
<dl>
<dt id="index-joystick_002dpower_002dlevel">Procedure: <strong>joystick-power-level</strong> <em>joystick</em></dt>
<dd><p>Return the symbolic battery power level for <var>joystick</var>, either
<code>unknown</code>, <code>empty</code>, <code>low</code>, <code>medium</code>, <code>full</code>,
or <code>wired</code>.
</p></dd></dl>
<dl>
<dt id="index-joystick_002dnum_002daxes">Procedure: <strong>joystick-num-axes</strong> <em>joystick</em></dt>
<dd><p>Return the number of axes for <var>joystick</var>.
</p></dd></dl>
<dl>
<dt id="index-joystick_002dnum_002dballs">Procedure: <strong>joystick-num-balls</strong> <em>joystick</em></dt>
<dd><p>Return the number of balls for <var>joystick</var>.
</p></dd></dl>
<dl>
<dt id="index-joystick_002dnum_002dbuttons">Procedure: <strong>joystick-num-buttons</strong> <em>joystick</em></dt>
<dd><p>Return the number of buttons for <var>joystick</var>.
</p></dd></dl>
<dl>
<dt id="index-joystick_002dnum_002dhats">Procedure: <strong>joystick-num-hats</strong> <em>joystick</em></dt>
<dd><p>Return the number of hats for <var>joystick</var>.
</p></dd></dl>
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