Mercurial > sdl-ios-xcode
annotate docs/html/sdljoyhatevent.html @ 3958:85b6fb6a5e3c SDL-1.2
Actually, this is a better fix...clear the error state once if everything we
need loaded; it's more efficient, and works even if the last unnecessary
xrandr symbol failed to load. Otherwise, leave the original loadso error, so
the end user can find out what symbol failed.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Wed, 13 Jun 2007 08:00:10 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_JoyHatEvent</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_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 | |
|
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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="sdljoybuttonevent.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="sdljoyballevent.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="SDLJOYHATEVENT" | |
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74 ></A |
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75 >SDL_JoyHatEvent</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN4320" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_JoyHatEvent -- Joystick hat position change event structure</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSECT1" | |
| 86 ><A | |
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87 NAME="AEN4323" |
| 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 hat; | |
| 97 Uint8 value; | |
| 98 } SDL_JoyHatEvent;</PRE | |
| 99 ></DIV | |
| 100 ><DIV | |
| 101 CLASS="REFSECT1" | |
| 102 ><A | |
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103 NAME="AEN4326" |
| 0 | 104 ></A |
| 105 ><H2 | |
| 106 >Structure Data</H2 | |
| 107 ><DIV | |
| 108 CLASS="INFORMALTABLE" | |
| 109 ><A | |
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110 NAME="AEN4328" |
| 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_JOY</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 >hat</I | |
| 159 ></TT | |
| 160 ></TD | |
| 161 ><TD | |
| 162 ALIGN="LEFT" | |
| 163 VALIGN="TOP" | |
| 164 >Joystick hat index</TD | |
| 165 ></TR | |
| 166 ><TR | |
| 167 ><TD | |
| 168 ALIGN="LEFT" | |
| 169 VALIGN="TOP" | |
| 170 ><TT | |
| 171 CLASS="STRUCTFIELD" | |
| 172 ><I | |
| 173 >value</I | |
| 174 ></TT | |
| 175 ></TD | |
| 176 ><TD | |
| 177 ALIGN="LEFT" | |
| 178 VALIGN="TOP" | |
| 179 >Hat position</TD | |
| 180 ></TR | |
| 181 ></TBODY | |
| 182 ></TABLE | |
| 183 ><P | |
| 184 ></P | |
| 185 ></DIV | |
| 186 ></DIV | |
| 187 ><DIV | |
| 188 CLASS="REFSECT1" | |
| 189 ><A | |
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190 NAME="AEN4348" |
| 0 | 191 ></A |
| 192 ><H2 | |
| 193 >Description</H2 | |
| 194 ><P | |
| 195 ><SPAN | |
| 196 CLASS="STRUCTNAME" | |
| 197 >SDL_JoyHatEvent</SPAN | |
| 198 > is a member of the <A | |
| 199 HREF="sdlevent.html" | |
| 200 ><SPAN | |
| 201 CLASS="STRUCTNAME" | |
| 202 >SDL_Event</SPAN | |
| 203 ></A | |
| 204 > union and is used when an event of type <TT | |
| 205 CLASS="LITERAL" | |
| 206 >SDL_JOYHATMOTION</TT | |
| 207 > is reported.</P | |
| 208 ><P | |
| 209 >A <TT | |
| 210 CLASS="LITERAL" | |
| 211 >SDL_JOYHATMOTION</TT | |
| 212 > event occurs when ever a user moves a hat on the joystick. The field <TT | |
| 213 CLASS="STRUCTFIELD" | |
| 214 ><I | |
| 215 >which</I | |
| 216 ></TT | |
| 217 > is the index of the joystick that reported the event and <TT | |
| 218 CLASS="STRUCTFIELD" | |
| 219 ><I | |
| 220 >hat</I | |
| 221 ></TT | |
| 222 > is the index of the hat (for a more detailed exlaination see the <A | |
| 223 HREF="joystick.html" | |
| 224 >Joystick section</A | |
| 225 >). <TT | |
| 226 CLASS="STRUCTFIELD" | |
| 227 ><I | |
| 228 >value</I | |
| 229 ></TT | |
| 230 > 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 | |
| 231 ><P | |
| 232 ></P | |
| 233 ><TABLE | |
| 234 BORDER="0" | |
| 235 ><TBODY | |
| 236 ><TR | |
| 237 ><TD | |
| 238 ><TT | |
| 239 CLASS="LITERAL" | |
| 240 >SDL_HAT_CENTERED</TT | |
| 241 ></TD | |
| 242 ></TR | |
| 243 ><TR | |
| 244 ><TD | |
| 245 ><TT | |
| 246 CLASS="LITERAL" | |
| 247 >SDL_HAT_UP</TT | |
| 248 ></TD | |
| 249 ></TR | |
| 250 ><TR | |
| 251 ><TD | |
| 252 ><TT | |
| 253 CLASS="LITERAL" | |
| 254 >SDL_HAT_RIGHT</TT | |
| 255 ></TD | |
| 256 ></TR | |
| 257 ><TR | |
| 258 ><TD | |
| 259 ><TT | |
| 260 CLASS="LITERAL" | |
| 261 >SDL_HAT_DOWN</TT | |
| 262 ></TD | |
| 263 ></TR | |
| 264 ><TR | |
| 265 ><TD | |
| 266 ><TT | |
| 267 CLASS="LITERAL" | |
| 268 >SDL_HAT_LEFT</TT | |
| 269 ></TD | |
| 270 ></TR | |
| 271 ></TBODY | |
| 272 ></TABLE | |
| 273 ><P | |
| 274 ></P | |
| 275 ><P | |
| 276 >The following defines are also provided:</P | |
| 277 ><P | |
| 278 ></P | |
| 279 ><TABLE | |
| 280 BORDER="0" | |
| 281 ><TBODY | |
| 282 ><TR | |
| 283 ><TD | |
| 284 ><TT | |
| 285 CLASS="LITERAL" | |
| 286 >SDL_HAT_RIGHTUP</TT | |
| 287 ></TD | |
| 288 ></TR | |
| 289 ><TR | |
| 290 ><TD | |
| 291 ><TT | |
| 292 CLASS="LITERAL" | |
| 293 >SDL_HAT_RIGHTDOWN</TT | |
| 294 ></TD | |
| 295 ></TR | |
| 296 ><TR | |
| 297 ><TD | |
| 298 ><TT | |
| 299 CLASS="LITERAL" | |
| 300 >SDL_HAT_LEFTUP</TT | |
| 301 ></TD | |
| 302 ></TR | |
| 303 ><TR | |
| 304 ><TD | |
| 305 ><TT | |
| 306 CLASS="LITERAL" | |
| 307 >SDL_HAT_LEFTDOWN</TT | |
| 308 ></TD | |
| 309 ></TR | |
| 310 ></TBODY | |
| 311 ></TABLE | |
| 312 ><P | |
| 313 ></P | |
| 314 ></DIV | |
| 315 ><DIV | |
| 316 CLASS="REFSECT1" | |
| 317 ><A | |
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318 NAME="AEN4382" |
| 0 | 319 ></A |
| 320 ><H2 | |
| 321 >See Also</H2 | |
| 322 ><P | |
| 323 ><A | |
| 324 HREF="sdlevent.html" | |
| 325 ><SPAN | |
| 326 CLASS="STRUCTNAME" | |
| 327 >SDL_Event</SPAN | |
| 328 ></A | |
| 329 >, | |
| 330 <A | |
| 331 HREF="joystick.html" | |
| 332 >Joystick Functions</A | |
| 333 >, | |
| 334 <A | |
| 335 HREF="sdljoystickeventstate.html" | |
| 336 ><TT | |
| 337 CLASS="FUNCTION" | |
| 338 >SDL_JoystickEventState</TT | |
| 339 ></A | |
| 340 >, | |
| 341 <A | |
| 342 HREF="sdljoystickgetball.html" | |
| 343 ><TT | |
| 344 CLASS="FUNCTION" | |
| 345 >SDL_JoystickGetHat</TT | |
| 346 ></A | |
| 347 ></P | |
| 348 ></DIV | |
| 349 ><DIV | |
| 350 CLASS="NAVFOOTER" | |
| 351 ><HR | |
| 352 ALIGN="LEFT" | |
| 353 WIDTH="100%"><TABLE | |
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354 SUMMARY="Footer navigation table" |
| 0 | 355 WIDTH="100%" |
| 356 BORDER="0" | |
| 357 CELLPADDING="0" | |
| 358 CELLSPACING="0" | |
| 359 ><TR | |
| 360 ><TD | |
| 361 WIDTH="33%" | |
| 362 ALIGN="left" | |
| 363 VALIGN="top" | |
| 364 ><A | |
| 365 HREF="sdljoybuttonevent.html" | |
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366 ACCESSKEY="P" |
| 0 | 367 >Prev</A |
| 368 ></TD | |
| 369 ><TD | |
| 370 WIDTH="34%" | |
| 371 ALIGN="center" | |
| 372 VALIGN="top" | |
| 373 ><A | |
| 374 HREF="index.html" | |
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375 ACCESSKEY="H" |
| 0 | 376 >Home</A |
| 377 ></TD | |
| 378 ><TD | |
| 379 WIDTH="33%" | |
| 380 ALIGN="right" | |
| 381 VALIGN="top" | |
| 382 ><A | |
| 383 HREF="sdljoyballevent.html" | |
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384 ACCESSKEY="N" |
| 0 | 385 >Next</A |
| 386 ></TD | |
| 387 ></TR | |
| 388 ><TR | |
| 389 ><TD | |
| 390 WIDTH="33%" | |
| 391 ALIGN="left" | |
| 392 VALIGN="top" | |
| 393 >SDL_JoyButtonEvent</TD | |
| 394 ><TD | |
| 395 WIDTH="34%" | |
| 396 ALIGN="center" | |
| 397 VALIGN="top" | |
| 398 ><A | |
| 399 HREF="eventstructures.html" | |
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400 ACCESSKEY="U" |
| 0 | 401 >Up</A |
| 402 ></TD | |
| 403 ><TD | |
| 404 WIDTH="33%" | |
| 405 ALIGN="right" | |
| 406 VALIGN="top" | |
| 407 >SDL_JoyBallEvent</TD | |
| 408 ></TR | |
| 409 ></TABLE | |
| 410 ></DIV | |
| 411 ></BODY | |
| 412 ></HTML | |
| 413 > |