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sdlpumpevents.html
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sdlpumpevents.html
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<HTML
><HEAD
><TITLE
>SDL_PumpEvents</TITLE
><META
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CONTENT="Modular DocBook HTML Stylesheet Version 1.64
"><LINK
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TITLE="SDL Library Documentation"
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><BODY
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BGCOLOR="#FFF8DC"
TEXT="#000000"
LINK="#0000ee"
VLINK="#551a8b"
ALINK="#ff0000"
><DIV
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><HR
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><H1
><A
NAME="SDLPUMPEVENTS"
>SDL_PumpEvents</A
></H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN4848"
></A
><H2
>Name</H2
>SDL_PumpEvents -- Pumps the event loop, gathering events from the input devices.</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN4851"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN4852"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>void <B
CLASS="FSFUNC"
>SDL_PumpEvents</B
></CODE
>(void);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4858"
></A
><H2
>Description</H2
><P
>Pumps the event loop, gathering events from the input devices.</P
><P
><TT
CLASS="FUNCTION"
>SDL_PumpEvents</TT
> gathers all the pending input information from devices and places it on the event queue. Without calls to <TT
CLASS="FUNCTION"
>SDL_PumpEvents</TT
> no events would ever be placed on the queue. Often calls the need for <TT
CLASS="FUNCTION"
>SDL_PumpEvents</TT
> is hidden from the user since <A
HREF="sdlpollevent.html"
><TT
CLASS="FUNCTION"
>SDL_PollEvent</TT
></A
> and <A
HREF="sdlwaitevent.html"
><TT
CLASS="FUNCTION"
>SDL_WaitEvent</TT
></A
> implicitly call <TT
CLASS="FUNCTION"
>SDL_PumpEvents</TT
>. However, if you are not polling or waiting for events (e.g. your filtering them), then you must call <TT
CLASS="FUNCTION"
>SDL_PumpEvents</TT
> to force an event queue update.</P
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>You can only call this function in the thread that set the video mode.</P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN4873"
></A
><H2
>See Also</H2
><P
><A
HREF="sdlpollevent.html"
><TT
CLASS="FUNCTION"
>SDL_PollEvent</TT
></A
></P
></DIV
><DIV
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><A
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>Prev</A
></TD
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>Home</A
></TD
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><A
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>Next</A
></TD
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><TR
><TD
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>Event Functions.</TD
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>Up</A
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>