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If we're looking at the /dev/input event devices, and we found at least one, then we don't want to look at the input joystick devices, since they're built on top of devices that we've already seen, so we're done.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 22 Oct 2001 21:34:50 +0000
parents e5bc29de3f0a
children 355632dca928
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<HTML
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>SDL_GetEventFilter</TITLE
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><H1
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>SDL_GetEventFilter</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN5227"
></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="AEN5231"
></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
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></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="AEN5243"
></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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