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| >SDL_PollEvent</H1 |
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| ></A |
| ><H2 |
| >Name</H2 |
| >SDL_PollEvent -- Polls for currently pending events.</DIV |
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| >Synopsis</H2 |
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| ><PRE |
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| >#include "SDL.h"</PRE |
| ><P |
| ><CODE |
| ><CODE |
| CLASS="FUNCDEF" |
| >int <B |
| CLASS="FSFUNC" |
| >SDL_PollEvent</B |
| ></CODE |
| >(SDL_Event *event);</CODE |
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| >Description</H2 |
| ><P |
| >Polls for currently pending events, and returns <SPAN |
| CLASS="RETURNVALUE" |
| >1</SPAN |
| > |
| if there are any pending events, or <SPAN |
| CLASS="RETURNVALUE" |
| >0</SPAN |
| > if there |
| are none available. </P |
| ><P |
| >If <TT |
| CLASS="PARAMETER" |
| ><I |
| >event</I |
| ></TT |
| > is not <TT |
| CLASS="LITERAL" |
| >NULL</TT |
| >, the next |
| event is removed from the queue and stored in that area.</P |
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| >Examples</H2 |
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| CLASS="PROGRAMLISTING" |
| >SDL_Event event; /* Event structure */ |
| |
| . |
| . |
| . |
| /* Check for events */ |
| while(SDL_PollEvent(&event)){ /* Loop until there are no events left on the queue */ |
| switch(event.type){ /* Process the appropiate event type */ |
| case SDL_KEYDOWN: /* Handle a KEYDOWN event */ |
| printf("Oh! Key press\n"); |
| break; |
| case SDL_MOUSEMOTION: |
| . |
| . |
| . |
| default: /* Report an unhandled event */ |
| printf("I don't know what this event is!\n"); |
| } |
| }</PRE |
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| >See Also</H2 |
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| HREF="sdlevent.html" |
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| CLASS="STRUCTNAME" |
| >SDL_Event</SPAN |
| ></A |
| >, |
| <A |
| HREF="sdlwaitevent.html" |
| ><TT |
| CLASS="FUNCTION" |
| >SDL_WaitEvent</TT |
| ></A |
| >, |
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| CLASS="FUNCTION" |
| >SDL_PeepEvents</TT |
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