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annotate docs/html/sdljoyhatevent.html @ 306:3879bed3395c
Only put surfaces in video memory if there are accelerated blits
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 10 Mar 2002 03:38:32 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 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 1.64 |
| 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 | |
| 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 | |
|
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76 NAME="AEN3936" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_JoyHatEvent -- Joystick hat position change event structure</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSECT1" | |
| 83 ><A | |
|
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84 NAME="AEN3939" |
| 0 | 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 | |
|
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100 NAME="AEN3942" |
| 0 | 101 ></A |
| 102 ><H2 | |
| 103 >Structure Data</H2 | |
| 104 ><DIV | |
| 105 CLASS="INFORMALTABLE" | |
| 106 ><A | |
|
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107 NAME="AEN3944" |
| 0 | 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 | |
|
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187 NAME="AEN3964" |
| 0 | 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 | |
|
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315 NAME="AEN3998" |
| 0 | 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 > |