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If we're looking at the /dev/input event devices, and we found at least one, then we don't want to look at the input joystick devices, since they're built on top of devices that we've already seen, so we're done.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 22 Oct 2001 21:34:50 +0000
parents e5bc29de3f0a
children 355632dca928
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<HTML
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>SDL_GetRelativeMouseState</TITLE
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><H1
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>SDL_GetRelativeMouseState</A
></H1
><DIV
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><A
NAME="AEN5514"
></A
><H2
>Name</H2
>SDL_GetRelativeMouseState&nbsp;--&nbsp;Retrieve the current state of the mouse</DIV
><DIV
CLASS="REFSYNOPSISDIV"
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></A
><H2
>Synopsis</H2
><DIV
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><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
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></DIV
></DIV
><DIV
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><A
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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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><H2
>See Also</H2
><P
><A
HREF="sdlgetmousestate.html"
><TT
CLASS="FUNCTION"
>SDL_GetMouseState</TT
></A
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