Mercurial > sdl-ios-xcode
annotate docs/html/sdljoyballevent.html @ 4305:ecb22f65f0aa SDL-1.2
Adapted from 215_kfreebsd_gnu.diff
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 10 Oct 2009 09:38:02 +0000 |
parents | 355632dca928 |
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rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_JoyBallEvent</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="SDL Event Structures." | |
14 HREF="eventstructures.html"><LINK | |
15 REL="PREVIOUS" | |
16 TITLE="SDL_JoyHatEvent" | |
17 HREF="sdljoyhatevent.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_ResizeEvent" | |
20 HREF="sdlresizeevent.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="sdljoyhatevent.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="sdlresizeevent.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="SDLJOYBALLEVENT" | |
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74 ></A |
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75 >SDL_JoyBallEvent</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN4396" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_JoyBallEvent -- Joystick trackball motion event structure</DIV | |
84 ><DIV | |
85 CLASS="REFSECT1" | |
86 ><A | |
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87 NAME="AEN4399" |
0 | 88 ></A |
89 ><H2 | |
90 >Structure Definition</H2 | |
91 ><PRE | |
92 CLASS="PROGRAMLISTING" | |
93 >typedef struct{ | |
94 Uint8 type; | |
95 Uint8 which; | |
96 Uint8 ball; | |
97 Sint16 xrel, yrel; | |
98 } SDL_JoyBallEvent;</PRE | |
99 ></DIV | |
100 ><DIV | |
101 CLASS="REFSECT1" | |
102 ><A | |
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103 NAME="AEN4402" |
0 | 104 ></A |
105 ><H2 | |
106 >Structure Data</H2 | |
107 ><DIV | |
108 CLASS="INFORMALTABLE" | |
109 ><A | |
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110 NAME="AEN4404" |
0 | 111 ></A |
112 ><P | |
113 ></P | |
114 ><TABLE | |
115 BORDER="0" | |
116 CLASS="CALSTABLE" | |
117 ><TBODY | |
118 ><TR | |
119 ><TD | |
120 ALIGN="LEFT" | |
121 VALIGN="TOP" | |
122 ><TT | |
123 CLASS="STRUCTFIELD" | |
124 ><I | |
125 >type</I | |
126 ></TT | |
127 ></TD | |
128 ><TD | |
129 ALIGN="LEFT" | |
130 VALIGN="TOP" | |
131 ><TT | |
132 CLASS="LITERAL" | |
133 >SDL_JOYBALLMOTION</TT | |
134 ></TD | |
135 ></TR | |
136 ><TR | |
137 ><TD | |
138 ALIGN="LEFT" | |
139 VALIGN="TOP" | |
140 ><TT | |
141 CLASS="STRUCTFIELD" | |
142 ><I | |
143 >which</I | |
144 ></TT | |
145 ></TD | |
146 ><TD | |
147 ALIGN="LEFT" | |
148 VALIGN="TOP" | |
149 >Joystick device index</TD | |
150 ></TR | |
151 ><TR | |
152 ><TD | |
153 ALIGN="LEFT" | |
154 VALIGN="TOP" | |
155 ><TT | |
156 CLASS="STRUCTFIELD" | |
157 ><I | |
158 >ball</I | |
159 ></TT | |
160 ></TD | |
161 ><TD | |
162 ALIGN="LEFT" | |
163 VALIGN="TOP" | |
164 >Joystick trackball index</TD | |
165 ></TR | |
166 ><TR | |
167 ><TD | |
168 ALIGN="LEFT" | |
169 VALIGN="TOP" | |
170 ><TT | |
171 CLASS="STRUCTFIELD" | |
172 ><I | |
173 >xrel</I | |
174 ></TT | |
175 >, <TT | |
176 CLASS="STRUCTFIELD" | |
177 ><I | |
178 >yrel</I | |
179 ></TT | |
180 ></TD | |
181 ><TD | |
182 ALIGN="LEFT" | |
183 VALIGN="TOP" | |
184 >The relative motion in the X/Y direction</TD | |
185 ></TR | |
186 ></TBODY | |
187 ></TABLE | |
188 ><P | |
189 ></P | |
190 ></DIV | |
191 ></DIV | |
192 ><DIV | |
193 CLASS="REFSECT1" | |
194 ><A | |
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195 NAME="AEN4425" |
0 | 196 ></A |
197 ><H2 | |
198 >Description</H2 | |
199 ><P | |
200 ><SPAN | |
201 CLASS="STRUCTNAME" | |
202 >SDL_JoyBallEvent</SPAN | |
203 > is a member of the <A | |
204 HREF="sdlevent.html" | |
205 ><SPAN | |
206 CLASS="STRUCTNAME" | |
207 >SDL_Event</SPAN | |
208 ></A | |
209 > union and is used when an event of type <TT | |
210 CLASS="LITERAL" | |
211 >SDL_JOYBALLMOTION</TT | |
212 > is reported.</P | |
213 ><P | |
214 >A <TT | |
215 CLASS="LITERAL" | |
216 >SDL_JOYBALLMOTION</TT | |
217 > event occurs when a user moves a trackball on the joystick. The field <TT | |
218 CLASS="STRUCTFIELD" | |
219 ><I | |
220 >which</I | |
221 ></TT | |
222 > is the index of the joystick that reported the event and <TT | |
223 CLASS="STRUCTFIELD" | |
224 ><I | |
225 >ball</I | |
226 ></TT | |
227 > is the index of the trackball (for a more detailed explaination see the <A | |
228 HREF="joystick.html" | |
229 >Joystick section</A | |
230 >). Trackballs only return relative motion, this is the change in position on the ball since it was last polled (last cycle of the event loop) and it is stored in <TT | |
231 CLASS="STRUCTFIELD" | |
232 ><I | |
233 >xrel</I | |
234 ></TT | |
235 > and <TT | |
236 CLASS="STRUCTFIELD" | |
237 ><I | |
238 >yrel</I | |
239 ></TT | |
240 >.</P | |
241 ></DIV | |
242 ><DIV | |
243 CLASS="REFSECT1" | |
244 ><A | |
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245 NAME="AEN4439" |
0 | 246 ></A |
247 ><H2 | |
248 >See Also</H2 | |
249 ><P | |
250 ><A | |
251 HREF="sdlevent.html" | |
252 ><SPAN | |
253 CLASS="STRUCTNAME" | |
254 >SDL_Event</SPAN | |
255 ></A | |
256 >, | |
257 <A | |
258 HREF="joystick.html" | |
259 >Joystick Functions</A | |
260 >, | |
261 <A | |
262 HREF="sdljoystickeventstate.html" | |
263 ><TT | |
264 CLASS="FUNCTION" | |
265 >SDL_JoystickEventState</TT | |
266 ></A | |
267 >, | |
268 <A | |
269 HREF="sdljoystickgetball.html" | |
270 ><TT | |
271 CLASS="FUNCTION" | |
272 >SDL_JoystickGetBall</TT | |
273 ></A | |
274 ></P | |
275 ></DIV | |
276 ><DIV | |
277 CLASS="NAVFOOTER" | |
278 ><HR | |
279 ALIGN="LEFT" | |
280 WIDTH="100%"><TABLE | |
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281 SUMMARY="Footer navigation table" |
0 | 282 WIDTH="100%" |
283 BORDER="0" | |
284 CELLPADDING="0" | |
285 CELLSPACING="0" | |
286 ><TR | |
287 ><TD | |
288 WIDTH="33%" | |
289 ALIGN="left" | |
290 VALIGN="top" | |
291 ><A | |
292 HREF="sdljoyhatevent.html" | |
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293 ACCESSKEY="P" |
0 | 294 >Prev</A |
295 ></TD | |
296 ><TD | |
297 WIDTH="34%" | |
298 ALIGN="center" | |
299 VALIGN="top" | |
300 ><A | |
301 HREF="index.html" | |
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302 ACCESSKEY="H" |
0 | 303 >Home</A |
304 ></TD | |
305 ><TD | |
306 WIDTH="33%" | |
307 ALIGN="right" | |
308 VALIGN="top" | |
309 ><A | |
310 HREF="sdlresizeevent.html" | |
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311 ACCESSKEY="N" |
0 | 312 >Next</A |
313 ></TD | |
314 ></TR | |
315 ><TR | |
316 ><TD | |
317 WIDTH="33%" | |
318 ALIGN="left" | |
319 VALIGN="top" | |
320 >SDL_JoyHatEvent</TD | |
321 ><TD | |
322 WIDTH="34%" | |
323 ALIGN="center" | |
324 VALIGN="top" | |
325 ><A | |
326 HREF="eventstructures.html" | |
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327 ACCESSKEY="U" |
0 | 328 >Up</A |
329 ></TD | |
330 ><TD | |
331 WIDTH="33%" | |
332 ALIGN="right" | |
333 VALIGN="top" | |
334 >SDL_ResizeEvent</TD | |
335 ></TR | |
336 ></TABLE | |
337 ></DIV | |
338 ></BODY | |
339 ></HTML | |
340 > |