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><A
NAME="SDLGETRELATIVEMOUSESTATE"
>SDL_GetRelativeMouseState</A
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><H2
>Name</H2
>SDL_GetRelativeMouseState&nbsp;--&nbsp;Retrieve the current state of the mouse</DIV
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>Synopsis</H2
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><PRE
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>#include "SDL.h"</PRE
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><CODE
><CODE
CLASS="FUNCDEF"
>Uint8 <B
CLASS="FSFUNC"
>SDL_GetRelativeMouseState</B
></CODE
>(int *x, int *y);</CODE
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><H2
>Description</H2
><P
>The current button state is returned as a button bitmask, which can
be tested using the <TT
CLASS="LITERAL"
>SDL_BUTTON(X)</TT
> macros, and <TT
CLASS="PARAMETER"
><I
>x</I
></TT
> and <TT
CLASS="PARAMETER"
><I
>y</I
></TT
> are set to the change in the mouse position since the last call to <TT
CLASS="FUNCTION"
>SDL_GetRelativeMouseState</TT
> or since event initialization.  You can pass <TT
CLASS="LITERAL"
>NULL</TT
> for either <TT
CLASS="PARAMETER"
><I
>x</I
></TT
> or <TT
CLASS="PARAMETER"
><I
>y</I
></TT
>.</P
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>See Also</H2
><P
><A
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><TT
CLASS="FUNCTION"
>SDL_GetMouseState</TT
></A
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author	Ryan C. Gordon <icculus@icculus.org>
date	Fri, 03 Oct 2003 18:26:39 +0000
parents	e5bc29de3f0a
children	355632dca928