view docs/html/sdljoystickeventstate.html @ 2328:91e601d9df8b

re: bug#563. checking in some commented out trace code and a fix so that the in testalpha.c the background only flashes when alpha == 255. The problem that is being fixed is caused by clearing SDL_COPY_RLE_COLORKEY without setting SDL_COPY_RLE_DESIRED in SDL_UnRELSurface.
author Bob Pendleton <bob@pendleton.com>
date Fri, 14 Mar 2008 18:17:49 +0000
parents 355632dca928
children
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<HTML
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><TITLE
>SDL_JoystickEventState</TITLE
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><H1
><A
NAME="SDLJOYSTICKEVENTSTATE"
></A
>SDL_JoystickEventState</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN5969"
></A
><H2
>Name</H2
>SDL_JoystickEventState&nbsp;--&nbsp;Enable/disable joystick event polling</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN5972"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN5973"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>int <B
CLASS="FSFUNC"
>SDL_JoystickEventState</B
></CODE
>(int state);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN5979"
></A
><H2
>Description</H2
><P
>This function is used to enable or disable joystick event processing. With joystick event processing disabled you will have to update joystick states with <A
HREF="sdljoystickupdate.html"
><TT
CLASS="FUNCTION"
>SDL_JoystickUpdate</TT
></A
> and read the joystick information manually. <TT
CLASS="PARAMETER"
><I
>state</I
></TT
> is either <TT
CLASS="LITERAL"
>SDL_QUERY</TT
>, <TT
CLASS="LITERAL"
>SDL_ENABLE</TT
> or <TT
CLASS="LITERAL"
>SDL_IGNORE</TT
>.</P
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
>Joystick event handling is prefered</P
></BLOCKQUOTE
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN5990"
></A
><H2
>Return Value</H2
><P
>If <TT
CLASS="PARAMETER"
><I
>state</I
></TT
> is <TT
CLASS="LITERAL"
>SDL_QUERY</TT
> then the current state is returned, otherwise the new processing <TT
CLASS="PARAMETER"
><I
>state</I
></TT
> is returned.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN5996"
></A
><H2
>See Also</H2
><P
><A
HREF="joystick.html"
>SDL Joystick Functions</A
>,
<A
HREF="sdljoystickupdate.html"
><TT
CLASS="FUNCTION"
>SDL_JoystickUpdate</TT
></A
>,
<A
HREF="sdljoyaxisevent.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_JoyAxisEvent</SPAN
></A
>,
<A
HREF="sdljoyballevent.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_JoyBallEvent</SPAN
></A
>,
<A
HREF="sdljoybuttonevent.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_JoyButtonEvent</SPAN
></A
>,
<A
HREF="sdljoyhatevent.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_JoyHatEvent</SPAN
></A
></P
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