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sdlgetrelativemousestate.html
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sdlgetrelativemousestate.html
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<HTML
><HEAD
><TITLE
>SDL_GetRelativeMouseState</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
"><LINK
REL="HOME"
TITLE="SDL Library Documentation"
HREF="index.html"><LINK
REL="UP"
TITLE="Event Functions."
HREF="eventfunctions.html"><LINK
REL="PREVIOUS"
TITLE="SDL_GetMouseState"
HREF="sdlgetmousestate.html"><LINK
REL="NEXT"
TITLE="SDL_GetAppState"
HREF="sdlgetappstate.html"></HEAD
><BODY
CLASS="REFENTRY"
BGCOLOR="#FFF8DC"
TEXT="#000000"
LINK="#0000ee"
VLINK="#551a8b"
ALINK="#ff0000"
><DIV
CLASS="NAVHEADER"
><TABLE
SUMMARY="Header navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
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><TR
><TH
COLSPAN="3"
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>SDL Library Documentation</TH
></TR
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><TD
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><A
HREF="sdlgetmousestate.html"
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>Prev</A
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><TD
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><TD
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VALIGN="bottom"
><A
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ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><H1
><A
NAME="SDLGETRELATIVEMOUSESTATE"
></A
>SDL_GetRelativeMouseState</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN5902"
></A
><H2
>Name</H2
>SDL_GetRelativeMouseState -- Retrieve the current state of the mouse</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN5905"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN5906"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>Uint8 <B
CLASS="FSFUNC"
>SDL_GetRelativeMouseState</B
></CODE
>(int *x, int *y);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN5912"
></A
><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
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN5922"
></A
><H2
>See Also</H2
><P
><A
HREF="sdlgetmousestate.html"
><TT
CLASS="FUNCTION"
>SDL_GetMouseState</TT
></A
></P
></DIV
><DIV
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><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
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><A
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>Prev</A
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>Home</A
></TD
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><A
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>Next</A
></TD
></TR
><TR
><TD
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ALIGN="left"
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>SDL_GetMouseState</TD
><TD
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VALIGN="top"
><A
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>Up</A
></TD
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>