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Sam Lantinga 2001-04-26 16:45:43 +00:00
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<HTML
><HEAD
><TITLE
>SDL_UserEvent</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="SDL Event Structures."
HREF="eventstructures.html"><LINK
REL="PREVIOUS"
TITLE="SDL_SysWMEvent"
HREF="sdlsyswmevent.html"><LINK
REL="NEXT"
TITLE="SDL_QuitEvent"
HREF="sdlquitevent.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="sdlsyswmevent.html"
>Prev</A
></TD
><TD
WIDTH="80%"
ALIGN="center"
VALIGN="bottom"
></TD
><TD
WIDTH="10%"
ALIGN="right"
VALIGN="bottom"
><A
HREF="sdlquitevent.html"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="SDLUSEREVENT"
>SDL_UserEvent</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN4022"
></A
><H2
>Name</H2
>SDL_UserEvent&nbsp;--&nbsp;A user-defined event type</DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4025"
></A
><H2
>Structure Definition</H2
><PRE
CLASS="PROGRAMLISTING"
>typedef struct{
Uint8 type;
int code;
void *data1;
void *data2;
} SDL_UserEvent;</PRE
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4028"
></A
><H2
>Structure Data</H2
><DIV
CLASS="INFORMALTABLE"
><A
NAME="AEN4030"
></A
><P
></P
><TABLE
BORDER="0"
CLASS="CALSTABLE"
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="STRUCTFIELD"
><I
>type</I
></TT
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="LITERAL"
>SDL_USEREVENT</TT
> through to <TT
CLASS="LITERAL"
>SDL_NUMEVENTS-1</TT
></TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="STRUCTFIELD"
><I
>code</I
></TT
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>User defined event code</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="STRUCTFIELD"
><I
>data1</I
></TT
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>User defined data pointer</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="TOP"
><TT
CLASS="STRUCTFIELD"
><I
>data2</I
></TT
></TD
><TD
ALIGN="LEFT"
VALIGN="TOP"
>User defined data pointer</TD
></TR
></TBODY
></TABLE
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4051"
></A
><H2
>Description</H2
><P
><SPAN
CLASS="STRUCTNAME"
>SDL_UserEvent</SPAN
> is in the <TT
CLASS="STRUCTFIELD"
><I
>user</I
></TT
> member of the structure <A
HREF="sdlevent.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_Event</SPAN
></A
>. This event is unique, it is never created by SDL but only by the user. The event can be pushed onto the event queue using <A
HREF="sdlpushevent.html"
><TT
CLASS="FUNCTION"
>SDL_PushEvent</TT
></A
>. The contents of the structure members or completely up to the programmer, the only requirement is that <TT
CLASS="STRUCTFIELD"
><I
>type</I
></TT
> is a value from <TT
CLASS="LITERAL"
>SDL_USEREVENT</TT
> to <TT
CLASS="LITERAL"
>SDL_NUMEVENTS-1</TT
> (inclusive).</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4063"
></A
><H2
>Examples</H2
><P
><PRE
CLASS="PROGRAMLISTING"
>SDL_Event event;
event.type = SDL_USEREVENT;
event.user.code = my_event_code;
event.user.data1 = significant_data;
event.user.data2 = 0;
SDL_PushEvent(&#38;event);</PRE
></P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4067"
></A
><H2
>See Also</H2
><P
><A
HREF="sdlevent.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_Event</SPAN
></A
>,
<A
HREF="sdlpushevent.html"
><TT
CLASS="FUNCTION"
>SDL_PushEvent</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="sdlsyswmevent.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="sdlquitevent.html"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>SDL_SysWMEvent</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="eventstructures.html"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>SDL_QuitEvent</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>