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The Darwin/MacOSX joystick code is largely copied from the HID Utilities package...make the symbols defined by HID Utilities static inside SDL so that an app can link against their own copy of this package without symbol clash.
author Ryan C. Gordon <icculus@icculus.org>
date Wed, 15 Jun 2005 23:41:57 +0000
parents 355632dca928
children
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<HTML
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><TITLE
>SDL_GetEventFilter</TITLE
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><H1
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>SDL_GetEventFilter</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN5615"
></A
><H2
>Name</H2
>SDL_GetEventFilter&nbsp;--&nbsp;Retrieves a pointer to he event filter</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
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></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN5619"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>SDL_EventFilter <B
CLASS="FSFUNC"
>SDL_GetEventFilter</B
></CODE
>(void);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN5625"
></A
><H2
>Description</H2
><P
>This function retrieces a pointer to the event filter that was previously set using <A
HREF="sdlseteventfilter.html"
><TT
CLASS="FUNCTION"
>SDL_SetEventFilter</TT
></A
>. An SDL_EventFilter function is defined as:
<PRE
CLASS="PROGRAMLISTING"
>typedef int (*SDL_EventFilter)(const SDL_Event *event);</PRE
></P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN5631"
></A
><H2
>Return Value</H2
><P
>Returns a pointer to the event filter or <TT
CLASS="LITERAL"
>NULL</TT
> if no filter has been set.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
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></A
><H2
>See Also</H2
><P
><A
HREF="sdlevent.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_Event</SPAN
></A
>,
<A
HREF="sdlseteventfilter.html"
><TT
CLASS="FUNCTION"
>SDL_SetEventFilter</TT
></A
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