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<?xml version="1.0" encoding="ISO-8859-1"?>
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><head><title>glutKeyboardUpFunc</title><link rel="stylesheet" href="style.css" type="text/css"/><meta name="generator" content="DocBook XSL Stylesheets V1.59.1"/><link rel="home" href="index.xml" title="PyOpenGL 2.0.1.07 Man Pages"/><link rel="up" href="reference-GLUT.xml" title="GLUT"/><link rel="previous" href="glutKeyboardFunc.3GLUT.xml" title="glutKeyboardFunc"/><link rel="next" href="glutLayerGet.3GLUT.xml" title="glutLayerGet"/></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">glutKeyboardUpFunc</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="glutKeyboardFunc.3GLUT.xml">Prev</a></td><th width="60%" align="center">GLUT</th><td width="20%" align="right"><a accesskey="n" href="glutLayerGet.3GLUT.xml">Next</a></td></tr></table><hr/></div><div class="refentry" lang="en"><a name="glutKeyboardUpFunc.3GLUT"/><div class="titlepage"/><div class="refnamediv"><a name="glutKeyboardUpFunc.3GLUT-name"/><h2>Name</h2><p>glutKeyboardUpFunc — sets the keyboard up (key release) callback for the current window.</p></div><div class="refsynopsisdiv"><a name="glutKeyboardUpFunc.3GLUT-c_spec"/><h2>C Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code>void<tt>glutKeyboardUpFunc</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code>void(*<i><tt>func</tt></i>)(unsignedcharkey,intx,inty));</code></td></tr></table></div><div class="refsynopsisdiv"><a name="glutKeyboardUpFunc.3GLUT-python_spec"/><h2>Python Specification</h2><table class="funcprototype" border="0" cellpadding="0" cellspacing="0"><tr><td valign="top"><code><tt>glutKeyboardUpFunc</tt></code></td><td valign="top"><code>(</code></td><td valign="top"><code><i><tt>func</tt></i>) →<tt>None</tt></code></td></tr></table></div><div class="refsect1" lang="en"><a name="glutKeyboardUpFunc.3GLUT-parameters"/><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><i><tt>func</tt></i></span></dt><dd>
The new keyboard up callback function.
</dd></dl></div></div><div class="refsect1" lang="en"><a name="glutKeyboardUpFunc.3GLUT-description"/><h2>Description</h2><p>
<a href="glutKeyboardFunc.3GLUT.xml"><tt>glutKeyboardFunc</tt></a> sets the keyboard up (key release) callback for the current
window. When a user types into the window, each key release matching an ASCII character will generate a keyboard up
callback. The key callback parameter is the generated ASCII character. The state of modifier keys such as Shift cannot
be determined directly; their only effect will be on the returned ASCII data. The x and y callback parameters indicate
the mouse location in window relative coordinates when the key was pressed. When a new window is created, no keyboard
callback is initially registered, and ASCII key strokes in the window are ignored. Passing <tt>NULL</tt> to
<a href="glutKeyboardFunc.3GLUT.xml"><tt>glutKeyboardFunc</tt></a> disables the generation of keyboard callbacks.
</p><p>
During a keyboard up callback, <a href="glutGetModifiers.3GLUT.xml"><tt>glutGetModifiers</tt></a> may be called to determine the
state of modifier keys when the keystroke generating the callback occurred.
</p><p>
To avoid the reporting of key release/press pairs due to auto repeat, use <a href="glutIgnoreKeyRepeat.3GLUT.xml"><tt>glutIgnoreKeyRepeat</tt></a> to ignore auto repeated keystrokes.
</p><p>
There is no guarantee that the keyboard press callback will match the exact ASCII character as the keyboard up
callback. For example, the key down may be for a lowercase b, but the key release may report an uppercase B if the
shift state has changed. The same applies to symbols and control characters. The precise behavior is window system
dependent.
</p><p>
Use <a href="glutSpecialUpFunc.3GLUT.xml"><tt>glutSpecialUpFunc</tt></a> for a means to detect non-ASCII key releases.
</p></div><div class="refsect1" lang="en"><a name="glutKeyboardUpFunc.3GLUT-see_also"/><h2>See Also</h2><p>
<span class="simplelist"><a href="glutKeyboardFunc.3GLUT.xml">glutKeyboardFunc</a>, <a href="glutSpecialUpFunc.3GLUT.xml">glutSpecialUpFunc</a>, <a href="glutSpecialFunc.3GLUT.xml">glutSpecialFunc</a>, <a href="glutCreateWindow.3GLUT.xml">glutCreateWindow</a>, <a href="glutMouseFunc.3GLUT.xml">glutMouseFunc</a>, <a href="glutSpaceballButtonFunc.3GLUT.xml">glutSpaceballButtonFunc</a>, <a href="glutButtonBoxFunc.3GLUT.xml">glutButtonBoxFunc</a>, <a href="glutTabletButtonFunc.3GLUT.xml">glutTabletButtonFunc</a>, <a href="glutGetModifiers.3GLUT.xml">glutGetModifiers</a>, <a href="glutIgnoreKeyRepeat.3GLUT.xml">glutIgnoreKeyRepeat</a></span>
</p></div></div><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="glutKeyboardFunc.3GLUT.xml">Prev</a></td><td width="20%" align="center"><a accesskey="u" href="reference-GLUT.xml">Up</a></td><td width="40%" align="right"><a accesskey="n" href="glutLayerGet.3GLUT.xml">Next</a></td></tr><tr><td width="40%" align="left" valign="top">glutKeyboardFunc</td><td width="20%" align="center"><a accesskey="h" href="index.xml">Home</a></td><td width="40%" align="right" valign="top">glutLayerGet</td></tr></table></div></body></html>
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