view docs/html/sdlgetrelativemousestate.html @ 3946:259aaca0fb0c SDL-1.2

Use system memset/memcpy on Mac OS X, since Apple hand-tunes these for each processor they ship (and thus, it's likely to beat our code on PowerPC and Intel and whatever variants or new archs show up later).
author Ryan C. Gordon <icculus@icculus.org>
date Sun, 03 Jun 2007 06:52:06 +0000
parents 355632dca928
children
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>SDL_GetRelativeMouseState</H1
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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
><P
><CODE
><CODE
CLASS="FUNCDEF"
>Uint8 <B
CLASS="FSFUNC"
>SDL_GetRelativeMouseState</B
></CODE
>(int *x, int *y);</CODE
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>Description</H2
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>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
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><TT
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>SDL_GetMouseState</TT
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