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annotate docs/html/sdljoystickopen.html @ 537:77b05010bb33
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| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 09 Nov 2002 05:51:13 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_JoystickOpen</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
| 0 | 8 "><LINK |
| 9 REL="HOME" | |
| 10 TITLE="SDL Library Documentation" | |
| 11 HREF="index.html"><LINK | |
| 12 REL="UP" | |
| 13 TITLE="Joystick" | |
| 14 HREF="joystick.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_JoystickName" | |
| 17 HREF="sdljoystickname.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_JoystickOpened" | |
| 20 HREF="sdljoystickopened.html"></HEAD | |
| 21 ><BODY | |
| 22 CLASS="REFENTRY" | |
| 23 BGCOLOR="#FFF8DC" | |
| 24 TEXT="#000000" | |
| 25 LINK="#0000ee" | |
| 26 VLINK="#551a8b" | |
| 27 ALINK="#ff0000" | |
| 28 ><DIV | |
| 29 CLASS="NAVHEADER" | |
| 30 ><TABLE | |
| 31 WIDTH="100%" | |
| 32 BORDER="0" | |
| 33 CELLPADDING="0" | |
| 34 CELLSPACING="0" | |
| 35 ><TR | |
| 36 ><TH | |
| 37 COLSPAN="3" | |
| 38 ALIGN="center" | |
| 39 >SDL Library Documentation</TH | |
| 40 ></TR | |
| 41 ><TR | |
| 42 ><TD | |
| 43 WIDTH="10%" | |
| 44 ALIGN="left" | |
| 45 VALIGN="bottom" | |
| 46 ><A | |
| 47 HREF="sdljoystickname.html" | |
| 48 >Prev</A | |
| 49 ></TD | |
| 50 ><TD | |
| 51 WIDTH="80%" | |
| 52 ALIGN="center" | |
| 53 VALIGN="bottom" | |
| 54 ></TD | |
| 55 ><TD | |
| 56 WIDTH="10%" | |
| 57 ALIGN="right" | |
| 58 VALIGN="bottom" | |
| 59 ><A | |
| 60 HREF="sdljoystickopened.html" | |
| 61 >Next</A | |
| 62 ></TD | |
| 63 ></TR | |
| 64 ></TABLE | |
| 65 ><HR | |
| 66 ALIGN="LEFT" | |
| 67 WIDTH="100%"></DIV | |
| 68 ><H1 | |
| 69 ><A | |
| 70 NAME="SDLJOYSTICKOPEN" | |
| 71 >SDL_JoystickOpen</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
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76 NAME="AEN5708" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_JoystickOpen -- Opens a joystick for use.</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
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84 NAME="AEN5711" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
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91 NAME="AEN5712" |
| 0 | 92 ></A |
| 93 ><P | |
| 94 ></P | |
| 95 ><PRE | |
| 96 CLASS="FUNCSYNOPSISINFO" | |
| 97 >#include "SDL.h"</PRE | |
| 98 ><P | |
| 99 ><CODE | |
| 100 ><CODE | |
| 101 CLASS="FUNCDEF" | |
| 102 >SDL_Joystick *<B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_JoystickOpen</B | |
| 105 ></CODE | |
| 106 >(int index);</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
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115 NAME="AEN5718" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 >Opens a joystick for use within SDL. The <TT | |
| 121 CLASS="PARAMETER" | |
| 122 ><I | |
| 123 >index</I | |
| 124 ></TT | |
| 125 > refers to the N'th joystick in the system. A joystick must be opened before it game be used.</P | |
| 126 ></DIV | |
| 127 ><DIV | |
| 128 CLASS="REFSECT1" | |
| 129 ><A | |
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130 NAME="AEN5722" |
| 0 | 131 ></A |
| 132 ><H2 | |
| 133 >Return Value</H2 | |
| 134 ><P | |
| 135 >Returns a <SPAN | |
| 136 CLASS="STRUCTNAME" | |
| 137 >SDL_Joystick</SPAN | |
| 138 > structure on success. <SPAN | |
| 139 CLASS="RETURNVALUE" | |
| 140 >NULL</SPAN | |
| 141 > on failure.</P | |
| 142 ></DIV | |
| 143 ><DIV | |
| 144 CLASS="REFSECT1" | |
| 145 ><A | |
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146 NAME="AEN5727" |
| 0 | 147 ></A |
| 148 ><H2 | |
| 149 >Examples</H2 | |
| 150 ><P | |
| 151 ><PRE | |
| 152 CLASS="PROGRAMLISTING" | |
| 153 >SDL_Joystick *joy; | |
| 154 // Check for joystick | |
| 155 if(SDL_NumJoysticks()>0){ | |
| 156 // Open joystick | |
| 157 joy=SDL_JoystickOpen(0); | |
| 158 | |
| 159 if(joy) | |
| 160 { | |
| 161 printf("Opened Joystick 0\n"); | |
| 162 printf("Name: %s\n", SDL_JoystickName(0)); | |
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163 printf("Number of Axes: %d\n", SDL_JoystickNumAxes(joy)); |
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164 printf("Number of Buttons: %d\n", SDL_JoystickNumButtons(joy)); |
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165 printf("Number of Balls: %d\n", SDL_JoystickNumBalls(joy)); |
| 0 | 166 } |
| 167 else | |
| 168 printf("Couldn't open Joystick 0\n"); | |
| 169 | |
| 170 // Close if opened | |
| 171 if(SDL_JoystickOpened(0)) | |
| 172 SDL_JoystickClose(joy); | |
| 173 }</PRE | |
| 174 ></P | |
| 175 ></DIV | |
| 176 ><DIV | |
| 177 CLASS="REFSECT1" | |
| 178 ><A | |
|
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179 NAME="AEN5731" |
| 0 | 180 ></A |
| 181 ><H2 | |
| 182 >See Also</H2 | |
| 183 ><P | |
| 184 ><A | |
| 185 HREF="sdljoystickclose.html" | |
| 186 ><TT | |
| 187 CLASS="FUNCTION" | |
| 188 >SDL_JoystickClose</TT | |
| 189 ></A | |
| 190 ></P | |
| 191 ></DIV | |
| 192 ><DIV | |
| 193 CLASS="NAVFOOTER" | |
| 194 ><HR | |
| 195 ALIGN="LEFT" | |
| 196 WIDTH="100%"><TABLE | |
| 197 WIDTH="100%" | |
| 198 BORDER="0" | |
| 199 CELLPADDING="0" | |
| 200 CELLSPACING="0" | |
| 201 ><TR | |
| 202 ><TD | |
| 203 WIDTH="33%" | |
| 204 ALIGN="left" | |
| 205 VALIGN="top" | |
| 206 ><A | |
| 207 HREF="sdljoystickname.html" | |
| 208 >Prev</A | |
| 209 ></TD | |
| 210 ><TD | |
| 211 WIDTH="34%" | |
| 212 ALIGN="center" | |
| 213 VALIGN="top" | |
| 214 ><A | |
| 215 HREF="index.html" | |
| 216 >Home</A | |
| 217 ></TD | |
| 218 ><TD | |
| 219 WIDTH="33%" | |
| 220 ALIGN="right" | |
| 221 VALIGN="top" | |
| 222 ><A | |
| 223 HREF="sdljoystickopened.html" | |
| 224 >Next</A | |
| 225 ></TD | |
| 226 ></TR | |
| 227 ><TR | |
| 228 ><TD | |
| 229 WIDTH="33%" | |
| 230 ALIGN="left" | |
| 231 VALIGN="top" | |
| 232 >SDL_JoystickName</TD | |
| 233 ><TD | |
| 234 WIDTH="34%" | |
| 235 ALIGN="center" | |
| 236 VALIGN="top" | |
| 237 ><A | |
| 238 HREF="joystick.html" | |
| 239 >Up</A | |
| 240 ></TD | |
| 241 ><TD | |
| 242 WIDTH="33%" | |
| 243 ALIGN="right" | |
| 244 VALIGN="top" | |
| 245 >SDL_JoystickOpened</TD | |
| 246 ></TR | |
| 247 ></TABLE | |
| 248 ></DIV | |
| 249 ></BODY | |
| 250 ></HTML | |
| 251 > |