Mercurial > sdl-ios-xcode
annotate docs/html/sdljoystickopen.html @ 2171:4bd2dc41fc15
Fixed compiling the x11 driver
author | Sam Lantinga <slouken@libsdl.org> |
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date | Wed, 11 Jul 2007 14:49:44 +0000 |
parents | 355632dca928 |
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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 1.76b+ |
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 | |
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31 SUMMARY="Header navigation table" |
0 | 32 WIDTH="100%" |
33 BORDER="0" | |
34 CELLPADDING="0" | |
35 CELLSPACING="0" | |
36 ><TR | |
37 ><TH | |
38 COLSPAN="3" | |
39 ALIGN="center" | |
40 >SDL Library Documentation</TH | |
41 ></TR | |
42 ><TR | |
43 ><TD | |
44 WIDTH="10%" | |
45 ALIGN="left" | |
46 VALIGN="bottom" | |
47 ><A | |
48 HREF="sdljoystickname.html" | |
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49 ACCESSKEY="P" |
0 | 50 >Prev</A |
51 ></TD | |
52 ><TD | |
53 WIDTH="80%" | |
54 ALIGN="center" | |
55 VALIGN="bottom" | |
56 ></TD | |
57 ><TD | |
58 WIDTH="10%" | |
59 ALIGN="right" | |
60 VALIGN="bottom" | |
61 ><A | |
62 HREF="sdljoystickopened.html" | |
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63 ACCESSKEY="N" |
0 | 64 >Next</A |
65 ></TD | |
66 ></TR | |
67 ></TABLE | |
68 ><HR | |
69 ALIGN="LEFT" | |
70 WIDTH="100%"></DIV | |
71 ><H1 | |
72 ><A | |
73 NAME="SDLJOYSTICKOPEN" | |
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74 ></A |
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75 >SDL_JoystickOpen</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN6096" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_JoystickOpen -- Opens a joystick for use.</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN6099" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN6100" |
0 | 95 ></A |
96 ><P | |
97 ></P | |
98 ><PRE | |
99 CLASS="FUNCSYNOPSISINFO" | |
100 >#include "SDL.h"</PRE | |
101 ><P | |
102 ><CODE | |
103 ><CODE | |
104 CLASS="FUNCDEF" | |
105 >SDL_Joystick *<B | |
106 CLASS="FSFUNC" | |
107 >SDL_JoystickOpen</B | |
108 ></CODE | |
109 >(int index);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
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118 NAME="AEN6106" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
123 >Opens a joystick for use within SDL. The <TT | |
124 CLASS="PARAMETER" | |
125 ><I | |
126 >index</I | |
127 ></TT | |
128 > refers to the N'th joystick in the system. A joystick must be opened before it game be used.</P | |
129 ></DIV | |
130 ><DIV | |
131 CLASS="REFSECT1" | |
132 ><A | |
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133 NAME="AEN6110" |
0 | 134 ></A |
135 ><H2 | |
136 >Return Value</H2 | |
137 ><P | |
138 >Returns a <SPAN | |
139 CLASS="STRUCTNAME" | |
140 >SDL_Joystick</SPAN | |
141 > structure on success. <SPAN | |
142 CLASS="RETURNVALUE" | |
143 >NULL</SPAN | |
144 > on failure.</P | |
145 ></DIV | |
146 ><DIV | |
147 CLASS="REFSECT1" | |
148 ><A | |
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149 NAME="AEN6115" |
0 | 150 ></A |
151 ><H2 | |
152 >Examples</H2 | |
153 ><P | |
154 ><PRE | |
155 CLASS="PROGRAMLISTING" | |
156 >SDL_Joystick *joy; | |
157 // Check for joystick | |
158 if(SDL_NumJoysticks()>0){ | |
159 // Open joystick | |
160 joy=SDL_JoystickOpen(0); | |
161 | |
162 if(joy) | |
163 { | |
164 printf("Opened Joystick 0\n"); | |
165 printf("Name: %s\n", SDL_JoystickName(0)); | |
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166 printf("Number of Axes: %d\n", SDL_JoystickNumAxes(joy)); |
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167 printf("Number of Buttons: %d\n", SDL_JoystickNumButtons(joy)); |
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168 printf("Number of Balls: %d\n", SDL_JoystickNumBalls(joy)); |
0 | 169 } |
170 else | |
171 printf("Couldn't open Joystick 0\n"); | |
172 | |
173 // Close if opened | |
174 if(SDL_JoystickOpened(0)) | |
175 SDL_JoystickClose(joy); | |
176 }</PRE | |
177 ></P | |
178 ></DIV | |
179 ><DIV | |
180 CLASS="REFSECT1" | |
181 ><A | |
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182 NAME="AEN6119" |
0 | 183 ></A |
184 ><H2 | |
185 >See Also</H2 | |
186 ><P | |
187 ><A | |
188 HREF="sdljoystickclose.html" | |
189 ><TT | |
190 CLASS="FUNCTION" | |
191 >SDL_JoystickClose</TT | |
192 ></A | |
193 ></P | |
194 ></DIV | |
195 ><DIV | |
196 CLASS="NAVFOOTER" | |
197 ><HR | |
198 ALIGN="LEFT" | |
199 WIDTH="100%"><TABLE | |
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200 SUMMARY="Footer navigation table" |
0 | 201 WIDTH="100%" |
202 BORDER="0" | |
203 CELLPADDING="0" | |
204 CELLSPACING="0" | |
205 ><TR | |
206 ><TD | |
207 WIDTH="33%" | |
208 ALIGN="left" | |
209 VALIGN="top" | |
210 ><A | |
211 HREF="sdljoystickname.html" | |
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212 ACCESSKEY="P" |
0 | 213 >Prev</A |
214 ></TD | |
215 ><TD | |
216 WIDTH="34%" | |
217 ALIGN="center" | |
218 VALIGN="top" | |
219 ><A | |
220 HREF="index.html" | |
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221 ACCESSKEY="H" |
0 | 222 >Home</A |
223 ></TD | |
224 ><TD | |
225 WIDTH="33%" | |
226 ALIGN="right" | |
227 VALIGN="top" | |
228 ><A | |
229 HREF="sdljoystickopened.html" | |
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230 ACCESSKEY="N" |
0 | 231 >Next</A |
232 ></TD | |
233 ></TR | |
234 ><TR | |
235 ><TD | |
236 WIDTH="33%" | |
237 ALIGN="left" | |
238 VALIGN="top" | |
239 >SDL_JoystickName</TD | |
240 ><TD | |
241 WIDTH="34%" | |
242 ALIGN="center" | |
243 VALIGN="top" | |
244 ><A | |
245 HREF="joystick.html" | |
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246 ACCESSKEY="U" |
0 | 247 >Up</A |
248 ></TD | |
249 ><TD | |
250 WIDTH="33%" | |
251 ALIGN="right" | |
252 VALIGN="top" | |
253 >SDL_JoystickOpened</TD | |
254 ></TR | |
255 ></TABLE | |
256 ></DIV | |
257 ></BODY | |
258 ></HTML | |
259 > |