Mercurial > sdl-ios-xcode
diff docs/html/sdlgetkeystate.html @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
parents | |
children | 55f1f1b3e27d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/docs/html/sdlgetkeystate.html Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,245 @@ +<HTML +><HEAD +><TITLE +>SDL_GetKeyState</TITLE +><META +NAME="GENERATOR" +CONTENT="Modular DocBook HTML Stylesheet Version 1.61 +"><LINK +REL="HOME" +TITLE="SDL Library Documentation" +HREF="index.html"><LINK +REL="UP" +TITLE="Event Functions." +HREF="eventfunctions.html"><LINK +REL="PREVIOUS" +TITLE="SDL_EventState" +HREF="sdleventstate.html"><LINK +REL="NEXT" +TITLE="SDL_GetModState" +HREF="sdlgetmodstate.html"></HEAD +><BODY +CLASS="REFENTRY" +BGCOLOR="#FFF8DC" +TEXT="#000000" +LINK="#0000ee" +VLINK="#551a8b" +ALINK="#ff0000" +><DIV +CLASS="NAVHEADER" +><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="sdleventstate.html" +>Prev</A +></TD +><TD +WIDTH="80%" +ALIGN="center" +VALIGN="bottom" +></TD +><TD +WIDTH="10%" +ALIGN="right" +VALIGN="bottom" +><A +HREF="sdlgetmodstate.html" +>Next</A +></TD +></TR +></TABLE +><HR +ALIGN="LEFT" +WIDTH="100%"></DIV +><H1 +><A +NAME="SDLGETKEYSTATE" +>SDL_GetKeyState</A +></H1 +><DIV +CLASS="REFNAMEDIV" +><A +NAME="AEN5068" +></A +><H2 +>Name</H2 +>SDL_GetKeyState -- Get a snapshot of the current keyboard state</DIV +><DIV +CLASS="REFSYNOPSISDIV" +><A +NAME="AEN5071" +></A +><H2 +>Synopsis</H2 +><DIV +CLASS="FUNCSYNOPSIS" +><A +NAME="AEN5072" +></A +><P +></P +><PRE +CLASS="FUNCSYNOPSISINFO" +>#include "SDL.h"</PRE +><P +><CODE +><CODE +CLASS="FUNCDEF" +>Uint8 *<B +CLASS="FSFUNC" +>SDL_GetKeyState</B +></CODE +>(int *numkeys);</CODE +></P +><P +></P +></DIV +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN5078" +></A +><H2 +>Description</H2 +><P +>Gets a snapshot of the current keyboard state. The current state is return as a pointer to an array, the size of this array is stored in <TT +CLASS="PARAMETER" +><I +>numkeys</I +></TT +>. The array is indexed by the <A +HREF="sdlkey.html" +><TT +CLASS="LITERAL" +>SDLK_*</TT +></A +> symbols. A value of 1 means the key is pressed and a value of 0 means its not.</P +><DIV +CLASS="NOTE" +><BLOCKQUOTE +CLASS="NOTE" +><P +><B +>Note: </B +>Use <A +HREF="sdlpumpevents.html" +><TT +CLASS="FUNCTION" +>SDL_PumpEvents</TT +></A +> to update the state array.</P +></BLOCKQUOTE +></DIV +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN5088" +></A +><H2 +>Example</H2 +><P +><PRE +CLASS="PROGRAMLISTING" +>Uint8 *keystate = SDL_GetKeyState(NULL); +if ( keystate[SDLK_RETURN] ) printf("Return Key Pressed.\n");</PRE +></P +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN5092" +></A +><H2 +>See Also</H2 +><P +><A +HREF="sdlkey.html" +><TT +CLASS="LITERAL" +>SDL Key Symbols</TT +></A +>, +<A +HREF="sdlpumpevents.html" +><TT +CLASS="FUNCTION" +>SDL_PumpEvents</TT +></A +></P +></DIV +><DIV +CLASS="NAVFOOTER" +><HR +ALIGN="LEFT" +WIDTH="100%"><TABLE +WIDTH="100%" +BORDER="0" +CELLPADDING="0" +CELLSPACING="0" +><TR +><TD +WIDTH="33%" +ALIGN="left" +VALIGN="top" +><A +HREF="sdleventstate.html" +>Prev</A +></TD +><TD +WIDTH="34%" +ALIGN="center" +VALIGN="top" +><A +HREF="index.html" +>Home</A +></TD +><TD +WIDTH="33%" +ALIGN="right" +VALIGN="top" +><A +HREF="sdlgetmodstate.html" +>Next</A +></TD +></TR +><TR +><TD +WIDTH="33%" +ALIGN="left" +VALIGN="top" +>SDL_EventState</TD +><TD +WIDTH="34%" +ALIGN="center" +VALIGN="top" +><A +HREF="eventfunctions.html" +>Up</A +></TD +><TD +WIDTH="33%" +ALIGN="right" +VALIGN="top" +>SDL_GetModState</TD +></TR +></TABLE +></DIV +></BODY +></HTML +> \ No newline at end of file