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Date: Tue, 16 Mar 2004 12:40:33 +0000 From: Alan Swanson Subject: [SDL] [PATCH] Linux joystick evdev axis count fix The event device configuration under Linux does not check the returned ioctl value when reading the axis information. This means extra undefined axes are returned. Note, in EV_HandleEvents, the default for case EV_ABS is to return any axis information which is fine as we have already checked for all valid absolute axes. No new axes should be returned after opening the device. (Unless, of course, the evdev allows closing and reassigning a new device while in use and I can't believe that happens.)
author Sam Lantinga <slouken@libsdl.org>
date Sun, 16 May 2004 22:48:06 +0000
parents 74212992fb08
children 14717b52abc0
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<!DOCTYPE HTML PUBLIC "-//Norman Walsh//DTD DocBook HTML 1.0//EN">
<HTML
><HEAD
><TITLE
>Introduction</TITLE
>
</HEAD
><BODY
BGCOLOR="#FFF8DC"
TEXT="#000000"
LINK="#0000ee"
VLINK="#551a8b"
ALINK="#ff0000"
><DIV
CLASS="NAVHEADER"
>
<HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="PREFACE"
><H1
><A
NAME="AEN8"
>Introduction</A
></H1
><P
>This library is designed to make it easy to write games that run on Linux,
Win32 and BeOS using the various native high-performance media interfaces,
(for video, audio, etc) and presenting a single source-code level API to
your application.  This is a fairly low level API, but using this, completely
portable applications can be written with a great deal of flexibility.</P
><P
>The library is loaded as a dynamically linked library on its native
platform, and is currently compiled natively for Linux, compiled for
Win32 using a Linux hosted GCC
<A
HREF="http://www.libsdl.org/Xmingw32/"
TARGET="_top"
>cross-compilation</A
>
environment, and compiled using the EGCS C++ compiler under BeOS.</P
><P
>An introduction to SDL can be found online at:
<A
HREF="http://www.libsdl.org/intro/toc.html"
TARGET="_top"
>http://www.libsdl.org/intro/</A
>&#13;</P
><P
>There are code examples on each of the main library pages, and there are
fully fleshed example C++ classes and programs in the examples archive,
available on the
<A
HREF="http://www.libsdl.org/download.html"
TARGET="_top"
>SDL download page</A
>.</P
><P
>For an introduction to basic multi-media programming concepts, you might try
some of the following links:
<P
></P
><UL
><LI
><P
><A
HREF="http://www.ziron.com/links/"
TARGET="_top"
>Game Programming Links</A
></P
></LI
><LI
><P
><A
HREF="http://developer.dungeon-crawl.com/"
TARGET="_top"
>Game Developer Search Engine</A
></P
></LI
></UL
></P
><P
>Enjoy!</P
><P
>&nbsp;&nbsp;&nbsp; Sam Lantinga
<TT
CLASS="EMAIL"
>&#60;<A
HREF="mailto:slouken@libsdl.org"
><A
HREF="mailto:slouken@libsdl.org"
TARGET="_top"
>slouken@libsdl.org</A
></A
>&#62;</TT
></P
>
<P>
<br><br><HR>
<H1>Table of Contents</H1>
<UL>
<LI><A HREF="html/index.html">Full Table of Contents</A></LI>
<LI><A HREF="html/guide.html">The SDL Guide</A></LI>
<LI><A HREF="html/reference.html">The SDL Reference</A></LI>
<UL>
<LI><A HREF="html/general.html">Initialization</A></LI>
<LI><A HREF="html/video.html">Video</A></LI>
<LI><A HREF="html/wm.html">Window Manager</A></LI>
<LI><A HREF="html/event.html">Event Handling</A></LI>
<LI><A HREF="html/joystick.html">Joystick</A></LI>
<LI><A HREF="html/audio.html">Audio</A></LI>
<LI><A HREF="html/cdrom.html">CDROM</A></LI>
<LI><A HREF="html/thread.html">Threads</A></LI>
<LI><A HREF="html/time.html">Timers</A></LI>
</UL>
</UL>
</DIV
></BODY
></HTML
>