sdlgetkeystate.html
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><A
NAME="SDLGETKEYSTATE"
>SDL_GetKeyState</A
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><A
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NAME="AEN5298"
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><H2
>Name</H2
>SDL_GetKeyState -- Get a snapshot of the current keyboard state</DIV
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>Synopsis</H2
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></A
><P
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><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>Uint8 *<B
CLASS="FSFUNC"
>SDL_GetKeyState</B
></CODE
>(int *numkeys);</CODE
></P
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><H2
>Description</H2
><P
>Gets a snapshot of the current keyboard state. The current state is return as a pointer to an array, the size of this array is stored in <TT
CLASS="PARAMETER"
><I
>numkeys</I
></TT
>. The array is indexed by the <A
HREF="sdlkey.html"
><TT
CLASS="LITERAL"
>SDLK_*</TT
></A
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> symbols. A value of 1 means the key is pressed and a value of 0 means its not. The pointer returned is a pointer to an internal SDL array and should not be freed by the caller.</P
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><DIV
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><B
>Note: </B
>Use <A
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><TT
CLASS="FUNCTION"
>SDL_PumpEvents</TT
></A
> to update the state array.</P
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><H2
>Example</H2
><P
><PRE
CLASS="PROGRAMLISTING"
>Uint8 *keystate = SDL_GetKeyState(NULL);
if ( keystate[SDLK_RETURN] ) printf("Return Key Pressed.\n");</PRE
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>See Also</H2
><P
><A
HREF="sdlkey.html"
><TT
CLASS="LITERAL"
>SDL Key Symbols</TT
></A
>,
<A
HREF="sdlpumpevents.html"
><TT
CLASS="FUNCTION"
>SDL_PumpEvents</TT
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