Mercurial > sdl-ios-xcode
annotate docs/html/sdljoyhatevent.html @ 4170:092c0bc69155 SDL-1.2
Fixed bug #618
Description From Tim Angus 2008-08-30 12:23:56 (-) [reply]
As we all know SDL 1.2 doesn't handle dead keys well since one key press
potentially equals two (or more) characters. For example, on many layouts,
keying <backquote>,<space> results in <no character>,<backquote><space>. Since
the unicode member of the SDL_keysym struct only has room for one character,
only one can be returned.
On Linux, the first character is returned. On Windows however, unless the exact
number of characters generated by the keypress is 1, nothing is returned. The
following patch addresses this inconsistency.
Updated patch which includes a further fix to the handling of the numpad when
numlock is on. This further fix is courtesy Amanieu d'Antras.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 13 Apr 2009 08:42:09 +0000 |
| parents | 355632dca928 |
| children |
| 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 1.76b+ |
| 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 > |