Mercurial > sdl-ios-xcode
view docs/html/general.html @ 4138:b1fd24d62e55 SDL-1.2
Date: Tue, 05 Feb 2008 01:41:08 -0500
From: Mike Miscevic
Subject: SDL and capslock/numlock
Find attached a patch against SDL-1.2.13 for check of SDL_NO_LOCK_KEYS
environment variable. This differs slightly from other patches I've seen
in that it has 3 modes:
Disable CAPS-LOCK and NUM-LOCK supression of down+up key events,
suitable for games where the player needs these keys to do more than
just toggle. A value of 1 will effect both CAPS-LOCK and NUM-LOCK. A
value of 2 will effect only CAPS-LOCK. A value of 3 will effect only
NUM-LOCK. All other values have no effect.
This works for me and has been tested on:
- Fedora 8 64-bit
- SRCRPM SDL-1.2.13-1.fc8.src.rpm
- Emeny Territory Quake Wars (ETQW), native 32-bit commercial game
--Mike Miscevic
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 26 Feb 2008 10:50:28 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >General</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="SDL Reference" HREF="reference.html"><LINK REL="PREVIOUS" TITLE="SDL Reference" HREF="reference.html"><LINK REL="NEXT" TITLE="SDL_Init" HREF="sdlinit.html"><META NAME="KEYWORD" CONTENT="general"><META NAME="KEYWORD" CONTENT="function"></HEAD ><BODY CLASS="CHAPTER" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >SDL Library Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="reference.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlinit.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="CHAPTER" ><H1 ><A NAME="GENERAL" ></A >Chapter 5. General</H1 ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT ><A HREF="sdlinit.html" >SDL_Init</A > -- Initializes SDL</DT ><DT ><A HREF="sdlinitsubsystem.html" >SDL_InitSubSystem</A > -- Initialize subsystems</DT ><DT ><A HREF="sdlquitsubsystem.html" >SDL_QuitSubSystem</A > -- Shut down a subsystem</DT ><DT ><A HREF="sdlquit.html" >SDL_Quit</A > -- Shut down SDL</DT ><DT ><A HREF="sdlwasinit.html" >SDL_WasInit</A > -- Check which subsystems are initialized</DT ><DT ><A HREF="sdlgeterror.html" >SDL_GetError</A > -- Get SDL error string</DT ><DT ><A HREF="sdlenvvars.html" >SDL_envvars</A > -- SDL environment variables</DT ></DL ></DIV ><P >Before SDL can be used in a program it must be initialized with <A HREF="sdlinit.html" ><TT CLASS="FUNCTION" >SDL_Init</TT ></A >. <TT CLASS="FUNCTION" >SDL_Init</TT > initializes all the subsystems that the user requests (video, audio, joystick, timers and/or cdrom). Once SDL is initialized with <TT CLASS="FUNCTION" >SDL_Init</TT > subsystems can be shut down and initialized as needed using <A HREF="sdlinitsubsystem.html" ><TT CLASS="FUNCTION" >SDL_InitSubSystem</TT ></A > and <A HREF="sdlquitsubsystem.html" ><TT CLASS="FUNCTION" >SDL_QuitSubSystem</TT ></A >.</P ><P >SDL must also be shut down before the program exits to make sure it cleans up correctly. Calling <A HREF="sdlquit.html" ><TT CLASS="FUNCTION" >SDL_Quit</TT ></A > shuts down all subsystems and frees any resources allocated to SDL.</P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="reference.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdlinit.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL Reference</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="reference.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_Init</TD ></TR ></TABLE ></DIV ></BODY ></HTML >