view docs/html/sdluserevent.html @ 858:5db50aa5bf08

Date: Wed, 25 Feb 2004 06:41:17 -0500 From: "Ryan C. Gordon" Subject: Re: MacOS X bugs... This isn't an ideal patch (trying to open a joystick that has previously been unplugged will report success, but it'll just never give any input, etc), but it handles the worst case of deadlock in the event subsystem.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 26 Feb 2004 13:45:22 +0000
parents 355632dca928
children
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>SDL_UserEvent</TITLE
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><H1
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>SDL_UserEvent</H1
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><H2
>Name</H2
>SDL_UserEvent&nbsp;--&nbsp;A user-defined event type</DIV
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><H2
>Structure Definition</H2
><PRE
CLASS="PROGRAMLISTING"
>typedef struct{
  Uint8 type;
  int code;
  void *data1;
  void *data2;
} SDL_UserEvent;</PRE
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>Structure Data</H2
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><TD
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><TT
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>SDL_USEREVENT</TT
> through to <TT
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>SDL_NUMEVENTS-1</TT
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>code</I
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>User defined event code</TD
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><TT
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>data1</I
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>User defined data pointer</TD
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><H2
>Description</H2
><P
><SPAN
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>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
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>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
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>See Also</H2
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>SDL_Event</SPAN
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>,
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>SDL_PushEvent</TT
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