Mercurial > sdl-ios-xcode
annotate docs/html/sdljoystickopen.html @ 610:95433459fbd2
Date: Mon, 14 Apr 2003 22:08:27 +0100
From: Patrice Mandin
Subject: [SDL][PATCH] 2 patches for sdl
Here are 2 patches for SDL:
- One is to put the dummy video drivers at the end of the
video drivers list. It gave me problems, when
SDL_VIDEODRIVER is not set, and the dummy driver is used
instead of the platform's driver, just because it is
always available. So the dummy driver must always be at
the end of the list. I suppose picogui and dc video
drivers also don't work.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 15 Apr 2003 15:46:56 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 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 > |