forked from KolibriOS/kolibrios
251 lines
3.4 KiB
HTML
251 lines
3.4 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>SDL_JoystickOpen</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.64
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"><LINK
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REL="HOME"
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TITLE="SDL Library Documentation"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Joystick"
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HREF="joystick.html"><LINK
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REL="PREVIOUS"
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TITLE="SDL_JoystickName"
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HREF="sdljoystickname.html"><LINK
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REL="NEXT"
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TITLE="SDL_JoystickOpened"
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HREF="sdljoystickopened.html"></HEAD
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><BODY
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CLASS="REFENTRY"
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BGCOLOR="#FFF8DC"
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TEXT="#000000"
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LINK="#0000ee"
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VLINK="#551a8b"
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ALINK="#ff0000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>SDL Library Documentation</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="sdljoystickname.html"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="sdljoystickopened.html"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="SDLJOYSTICKOPEN"
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>SDL_JoystickOpen</A
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></H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN5549"
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></A
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><H2
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>Name</H2
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>SDL_JoystickOpen -- Opens a joystick for use.</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN5552"
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></A
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><H2
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>Synopsis</H2
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><DIV
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CLASS="FUNCSYNOPSIS"
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><A
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NAME="AEN5553"
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></A
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><P
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></P
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><PRE
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CLASS="FUNCSYNOPSISINFO"
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>#include "SDL.h"</PRE
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><P
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><CODE
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><CODE
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CLASS="FUNCDEF"
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>SDL_Joystick *<B
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CLASS="FSFUNC"
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>SDL_JoystickOpen</B
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></CODE
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>(int index);</CODE
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></P
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN5559"
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></A
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><H2
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>Description</H2
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><P
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>Opens a joystick for use within SDL. The <TT
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CLASS="PARAMETER"
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><I
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>index</I
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></TT
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> refers to the N'th joystick in the system. A joystick must be opened before it game be used.</P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN5563"
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></A
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><H2
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>Return Value</H2
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><P
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>Returns a <SPAN
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CLASS="STRUCTNAME"
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>SDL_Joystick</SPAN
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> structure on success. <SPAN
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CLASS="RETURNVALUE"
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>NULL</SPAN
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> on failure.</P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN5568"
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></A
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><H2
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>Examples</H2
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><P
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><PRE
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CLASS="PROGRAMLISTING"
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>SDL_Joystick *joy;
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// Check for joystick
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if(SDL_NumJoysticks()>0){
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// Open joystick
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joy=SDL_JoystickOpen(0);
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if(joy)
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{
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printf("Opened Joystick 0\n");
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printf("Name: %s\n", SDL_JoystickName(0));
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printf("Number of Axes: %s\n", SDL_JoystickNumAxes(joy));
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printf("Number of Buttons: %s\n", SDL_JoystickNumButtons(joy));
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printf("Number of Balls: %s\n", SDL_JoystickNumBalls(joy));
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}
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else
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printf("Couldn't open Joystick 0\n");
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// Close if opened
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if(SDL_JoystickOpened(0))
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SDL_JoystickClose(joy);
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}</PRE
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></P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN5572"
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></A
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><H2
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>See Also</H2
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><P
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><A
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HREF="sdljoystickclose.html"
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><TT
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CLASS="FUNCTION"
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>SDL_JoystickClose</TT
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></A
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></P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="sdljoystickname.html"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="sdljoystickopened.html"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>SDL_JoystickName</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="joystick.html"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
|
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ALIGN="right"
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VALIGN="top"
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>SDL_JoystickOpened</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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> |