view docs/html/sdljoystickeventstate.html @ 1614:6162b8d921ce

Date: Wed, 29 Mar 2006 17:26:55 +0200 CEST From: "Fran���is Revol" Subject: [SDL] BeOS port fix: PrintScreen key crashing It seems the latest SDL crashes when someone hits the PrtScrn key in ZETA (BeOS R6), somewhere it gets a negative value as key code (or a big unsigned maybe ?), and uses it as an index in the keysym table... I'll investigate the cause for the negative value, but it's always better to check for bounds correctly when indexing a table. The attached diff fixes it. Fran���is Revol -- Software Architect yellowTAB GmbH
author Sam Lantinga <slouken@libsdl.org>
date Fri, 31 Mar 2006 06:16:20 +0000
parents 355632dca928
children
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>SDL_JoystickEventState</TITLE
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><H1
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>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"
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><H2
>Synopsis</H2
><DIV
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><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
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><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
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