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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
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children 55f1f1b3e27d
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1 <HTML
2 ><HEAD
3 ><TITLE
4 >SDL_JoyHatEvent</TITLE
5 ><META
6 NAME="GENERATOR"
7 CONTENT="Modular DocBook HTML Stylesheet Version 1.61
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_JoyButtonEvent"
17 HREF="sdljoybuttonevent.html"><LINK
18 REL="NEXT"
19 TITLE="SDL_JoyBallEvent"
20 HREF="sdljoyballevent.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="sdljoybuttonevent.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="sdljoyballevent.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="SDLJOYHATEVENT"
71 >SDL_JoyHatEvent</A
72 ></H1
73 ><DIV
74 CLASS="REFNAMEDIV"
75 ><A
76 NAME="AEN3812"
77 ></A
78 ><H2
79 >Name</H2
80 >SDL_JoyHatEvent&nbsp;--&nbsp;Joystick hat position change event structure</DIV
81 ><DIV
82 CLASS="REFSECT1"
83 ><A
84 NAME="AEN3815"
85 ></A
86 ><H2
87 >Structure Definition</H2
88 ><PRE
89 CLASS="PROGRAMLISTING"
90 >typedef struct{
91 Uint8 type;
92 Uint8 which;
93 Uint8 hat;
94 Uint8 value;
95 } SDL_JoyHatEvent;</PRE
96 ></DIV
97 ><DIV
98 CLASS="REFSECT1"
99 ><A
100 NAME="AEN3818"
101 ></A
102 ><H2
103 >Structure Data</H2
104 ><DIV
105 CLASS="INFORMALTABLE"
106 ><A
107 NAME="AEN3820"
108 ></A
109 ><P
110 ></P
111 ><TABLE
112 BORDER="0"
113 CLASS="CALSTABLE"
114 ><TBODY
115 ><TR
116 ><TD
117 ALIGN="LEFT"
118 VALIGN="TOP"
119 ><TT
120 CLASS="STRUCTFIELD"
121 ><I
122 >type</I
123 ></TT
124 ></TD
125 ><TD
126 ALIGN="LEFT"
127 VALIGN="TOP"
128 ><TT
129 CLASS="LITERAL"
130 >SDL_JOY</TT
131 ></TD
132 ></TR
133 ><TR
134 ><TD
135 ALIGN="LEFT"
136 VALIGN="TOP"
137 ><TT
138 CLASS="STRUCTFIELD"
139 ><I
140 >which</I
141 ></TT
142 ></TD
143 ><TD
144 ALIGN="LEFT"
145 VALIGN="TOP"
146 >Joystick device index</TD
147 ></TR
148 ><TR
149 ><TD
150 ALIGN="LEFT"
151 VALIGN="TOP"
152 ><TT
153 CLASS="STRUCTFIELD"
154 ><I
155 >hat</I
156 ></TT
157 ></TD
158 ><TD
159 ALIGN="LEFT"
160 VALIGN="TOP"
161 >Joystick hat index</TD
162 ></TR
163 ><TR
164 ><TD
165 ALIGN="LEFT"
166 VALIGN="TOP"
167 ><TT
168 CLASS="STRUCTFIELD"
169 ><I
170 >value</I
171 ></TT
172 ></TD
173 ><TD
174 ALIGN="LEFT"
175 VALIGN="TOP"
176 >Hat position</TD
177 ></TR
178 ></TBODY
179 ></TABLE
180 ><P
181 ></P
182 ></DIV
183 ></DIV
184 ><DIV
185 CLASS="REFSECT1"
186 ><A
187 NAME="AEN3840"
188 ></A
189 ><H2
190 >Description</H2
191 ><P
192 ><SPAN
193 CLASS="STRUCTNAME"
194 >SDL_JoyHatEvent</SPAN
195 > is a member of the <A
196 HREF="sdlevent.html"
197 ><SPAN
198 CLASS="STRUCTNAME"
199 >SDL_Event</SPAN
200 ></A
201 > union and is used when an event of type <TT
202 CLASS="LITERAL"
203 >SDL_JOYHATMOTION</TT
204 > is reported.</P
205 ><P
206 >A <TT
207 CLASS="LITERAL"
208 >SDL_JOYHATMOTION</TT
209 > event occurs when ever a user moves a hat on the joystick. The field <TT
210 CLASS="STRUCTFIELD"
211 ><I
212 >which</I
213 ></TT
214 > is the index of the joystick that reported the event and <TT
215 CLASS="STRUCTFIELD"
216 ><I
217 >hat</I
218 ></TT
219 > is the index of the hat (for a more detailed exlaination see the <A
220 HREF="joystick.html"
221 >Joystick section</A
222 >). <TT
223 CLASS="STRUCTFIELD"
224 ><I
225 >value</I
226 ></TT
227 > is the current position of the hat. It is a logically OR'd combination of the following values (whose meanings should be pretty obvious:) :</P
228 ><P
229 ></P
230 ><TABLE
231 BORDER="0"
232 ><TBODY
233 ><TR
234 ><TD
235 ><TT
236 CLASS="LITERAL"
237 >SDL_HAT_CENTERED</TT
238 ></TD
239 ></TR
240 ><TR
241 ><TD
242 ><TT
243 CLASS="LITERAL"
244 >SDL_HAT_UP</TT
245 ></TD
246 ></TR
247 ><TR
248 ><TD
249 ><TT
250 CLASS="LITERAL"
251 >SDL_HAT_RIGHT</TT
252 ></TD
253 ></TR
254 ><TR
255 ><TD
256 ><TT
257 CLASS="LITERAL"
258 >SDL_HAT_DOWN</TT
259 ></TD
260 ></TR
261 ><TR
262 ><TD
263 ><TT
264 CLASS="LITERAL"
265 >SDL_HAT_LEFT</TT
266 ></TD
267 ></TR
268 ></TBODY
269 ></TABLE
270 ><P
271 ></P
272 ><P
273 >The following defines are also provided:</P
274 ><P
275 ></P
276 ><TABLE
277 BORDER="0"
278 ><TBODY
279 ><TR
280 ><TD
281 ><TT
282 CLASS="LITERAL"
283 >SDL_HAT_RIGHTUP</TT
284 ></TD
285 ></TR
286 ><TR
287 ><TD
288 ><TT
289 CLASS="LITERAL"
290 >SDL_HAT_RIGHTDOWN</TT
291 ></TD
292 ></TR
293 ><TR
294 ><TD
295 ><TT
296 CLASS="LITERAL"
297 >SDL_HAT_LEFTUP</TT
298 ></TD
299 ></TR
300 ><TR
301 ><TD
302 ><TT
303 CLASS="LITERAL"
304 >SDL_HAT_LEFTDOWN</TT
305 ></TD
306 ></TR
307 ></TBODY
308 ></TABLE
309 ><P
310 ></P
311 ></DIV
312 ><DIV
313 CLASS="REFSECT1"
314 ><A
315 NAME="AEN3874"
316 ></A
317 ><H2
318 >See Also</H2
319 ><P
320 ><A
321 HREF="sdlevent.html"
322 ><SPAN
323 CLASS="STRUCTNAME"
324 >SDL_Event</SPAN
325 ></A
326 >,
327 <A
328 HREF="joystick.html"
329 >Joystick Functions</A
330 >,
331 <A
332 HREF="sdljoystickeventstate.html"
333 ><TT
334 CLASS="FUNCTION"
335 >SDL_JoystickEventState</TT
336 ></A
337 >,
338 <A
339 HREF="sdljoystickgetball.html"
340 ><TT
341 CLASS="FUNCTION"
342 >SDL_JoystickGetHat</TT
343 ></A
344 ></P
345 ></DIV
346 ><DIV
347 CLASS="NAVFOOTER"
348 ><HR
349 ALIGN="LEFT"
350 WIDTH="100%"><TABLE
351 WIDTH="100%"
352 BORDER="0"
353 CELLPADDING="0"
354 CELLSPACING="0"
355 ><TR
356 ><TD
357 WIDTH="33%"
358 ALIGN="left"
359 VALIGN="top"
360 ><A
361 HREF="sdljoybuttonevent.html"
362 >Prev</A
363 ></TD
364 ><TD
365 WIDTH="34%"
366 ALIGN="center"
367 VALIGN="top"
368 ><A
369 HREF="index.html"
370 >Home</A
371 ></TD
372 ><TD
373 WIDTH="33%"
374 ALIGN="right"
375 VALIGN="top"
376 ><A
377 HREF="sdljoyballevent.html"
378 >Next</A
379 ></TD
380 ></TR
381 ><TR
382 ><TD
383 WIDTH="33%"
384 ALIGN="left"
385 VALIGN="top"
386 >SDL_JoyButtonEvent</TD
387 ><TD
388 WIDTH="34%"
389 ALIGN="center"
390 VALIGN="top"
391 ><A
392 HREF="eventstructures.html"
393 >Up</A
394 ></TD
395 ><TD
396 WIDTH="33%"
397 ALIGN="right"
398 VALIGN="top"
399 >SDL_JoyBallEvent</TD
400 ></TR
401 ></TABLE
402 ></DIV
403 ></BODY
404 ></HTML
405 >