Mercurial > sdl-ios-xcode
annotate docs/html/sdlkeyboardevent.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_KeyboardEvent</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_ActiveEvent" | |
| 17 HREF="sdlactiveevent.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_MouseMotionEvent" | |
| 20 HREF="sdlmousemotionevent.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="sdlactiveevent.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="sdlmousemotionevent.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="SDLKEYBOARDEVENT" | |
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74 ></A |
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75 >SDL_KeyboardEvent</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN4011" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_KeyboardEvent -- Keyboard event structure</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSECT1" | |
| 86 ><A | |
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87 NAME="AEN4014" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Structure Definition</H2 | |
| 91 ><PRE | |
| 92 CLASS="PROGRAMLISTING" | |
| 93 >typedef struct{ | |
| 94 Uint8 type; | |
| 95 Uint8 state; | |
| 96 SDL_keysym keysym; | |
| 97 } SDL_KeyboardEvent;</PRE | |
| 98 ></DIV | |
| 99 ><DIV | |
| 100 CLASS="REFSECT1" | |
| 101 ><A | |
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102 NAME="AEN4017" |
| 0 | 103 ></A |
| 104 ><H2 | |
| 105 >Structure Data</H2 | |
| 106 ><DIV | |
| 107 CLASS="INFORMALTABLE" | |
| 108 ><A | |
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109 NAME="AEN4019" |
| 0 | 110 ></A |
| 111 ><P | |
| 112 ></P | |
| 113 ><TABLE | |
| 114 BORDER="0" | |
| 115 CLASS="CALSTABLE" | |
| 116 ><TBODY | |
| 117 ><TR | |
| 118 ><TD | |
| 119 ALIGN="LEFT" | |
| 120 VALIGN="TOP" | |
| 121 ><TT | |
| 122 CLASS="STRUCTFIELD" | |
| 123 ><I | |
| 124 >type</I | |
| 125 ></TT | |
| 126 ></TD | |
| 127 ><TD | |
| 128 ALIGN="LEFT" | |
| 129 VALIGN="TOP" | |
| 130 ><TT | |
| 131 CLASS="LITERAL" | |
| 132 >SDL_KEYDOWN</TT | |
| 133 > or <TT | |
| 134 CLASS="LITERAL" | |
| 135 >SDL_KEYUP</TT | |
| 136 ></TD | |
| 137 ></TR | |
| 138 ><TR | |
| 139 ><TD | |
| 140 ALIGN="LEFT" | |
| 141 VALIGN="TOP" | |
| 142 ><TT | |
| 143 CLASS="STRUCTFIELD" | |
| 144 ><I | |
| 145 >state</I | |
| 146 ></TT | |
| 147 ></TD | |
| 148 ><TD | |
| 149 ALIGN="LEFT" | |
| 150 VALIGN="TOP" | |
| 151 ><TT | |
| 152 CLASS="LITERAL" | |
| 153 >SDL_PRESSED</TT | |
| 154 > or <TT | |
| 155 CLASS="LITERAL" | |
| 156 >SDL_RELEASED</TT | |
| 157 ></TD | |
| 158 ></TR | |
| 159 ><TR | |
| 160 ><TD | |
| 161 ALIGN="LEFT" | |
| 162 VALIGN="TOP" | |
| 163 ><TT | |
| 164 CLASS="STRUCTFIELD" | |
| 165 ><I | |
| 166 >keysym</I | |
| 167 ></TT | |
| 168 ></TD | |
| 169 ><TD | |
| 170 ALIGN="LEFT" | |
| 171 VALIGN="TOP" | |
| 172 >Contains key press information</TD | |
| 173 ></TR | |
| 174 ></TBODY | |
| 175 ></TABLE | |
| 176 ><P | |
| 177 ></P | |
| 178 ></DIV | |
| 179 ></DIV | |
| 180 ><DIV | |
| 181 CLASS="REFSECT1" | |
| 182 ><A | |
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183 NAME="AEN4038" |
| 0 | 184 ></A |
| 185 ><H2 | |
| 186 >Description</H2 | |
| 187 ><P | |
| 188 ><SPAN | |
| 189 CLASS="STRUCTNAME" | |
| 190 >SDL_KeyboardEvent</SPAN | |
| 191 > is a member of the <A | |
| 192 HREF="sdlevent.html" | |
| 193 ><SPAN | |
| 194 CLASS="STRUCTNAME" | |
| 195 >SDL_Event</SPAN | |
| 196 ></A | |
| 197 > union and is used when an event of type <TT | |
| 198 CLASS="LITERAL" | |
| 199 >SDL_KEYDOWN</TT | |
| 200 > or <TT | |
| 201 CLASS="LITERAL" | |
| 202 >SDL_KEYUP</TT | |
| 203 > is reported.</P | |
| 204 ><P | |
| 205 >The <TT | |
| 206 CLASS="STRUCTFIELD" | |
| 207 ><I | |
| 208 >type</I | |
| 209 ></TT | |
| 210 > and <TT | |
| 211 CLASS="STRUCTFIELD" | |
| 212 ><I | |
| 213 >state</I | |
| 214 ></TT | |
| 215 > actually report the same information, they just use different values to do it! A keyboard event occurs when a key is released (<TT | |
| 216 CLASS="STRUCTFIELD" | |
| 217 ><I | |
| 218 >type</I | |
| 219 ></TT | |
| 220 >=<TT | |
| 221 CLASS="LITERAL" | |
| 222 >SDK_KEYUP</TT | |
| 223 > or <TT | |
| 224 CLASS="STRUCTFIELD" | |
| 225 ><I | |
| 226 >state</I | |
| 227 ></TT | |
| 228 >=<TT | |
| 229 CLASS="LITERAL" | |
| 230 >SDL_RELEASED</TT | |
| 231 >) and when a key is pressed (<TT | |
| 232 CLASS="STRUCTFIELD" | |
| 233 ><I | |
| 234 >type</I | |
| 235 ></TT | |
| 236 >=<TT | |
| 237 CLASS="LITERAL" | |
| 238 >SDL_KEYDOWN</TT | |
| 239 > or <TT | |
| 240 CLASS="STRUCTFIELD" | |
| 241 ><I | |
| 242 >state</I | |
| 243 ></TT | |
| 244 >=<TT | |
| 245 CLASS="LITERAL" | |
| 246 >SDL_PRESSED</TT | |
| 247 >). The information on what key was pressed or released is in the <A | |
| 248 HREF="sdlkeysym.html" | |
| 249 ><SPAN | |
| 250 CLASS="STRUCTNAME" | |
| 251 >keysym</SPAN | |
| 252 ></A | |
| 253 > structure.</P | |
| 254 ><DIV | |
| 255 CLASS="NOTE" | |
| 256 ><BLOCKQUOTE | |
| 257 CLASS="NOTE" | |
| 258 ><P | |
| 259 ><B | |
| 260 >Note: </B | |
| 261 >Repeating <TT | |
| 262 CLASS="LITERAL" | |
| 263 >SDL_KEYDOWN</TT | |
| 264 > events will occur if key repeat is enabled (see <A | |
| 265 HREF="sdlenablekeyrepeat.html" | |
| 266 ><TT | |
| 267 CLASS="FUNCTION" | |
| 268 >SDL_EnableKeyRepeat</TT | |
| 269 ></A | |
| 270 >).</P | |
| 271 ></BLOCKQUOTE | |
| 272 ></DIV | |
| 273 ></DIV | |
| 274 ><DIV | |
| 275 CLASS="REFSECT1" | |
| 276 ><A | |
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277 NAME="AEN4064" |
| 0 | 278 ></A |
| 279 ><H2 | |
| 280 >See Also</H2 | |
| 281 ><P | |
| 282 ><A | |
| 283 HREF="sdlevent.html" | |
| 284 ><SPAN | |
| 285 CLASS="STRUCTNAME" | |
| 286 >SDL_Event</SPAN | |
| 287 ></A | |
| 288 >, | |
| 289 <A | |
| 290 HREF="sdlkeysym.html" | |
| 291 ><SPAN | |
| 292 CLASS="STRUCTNAME" | |
| 293 >SDL_keysym</SPAN | |
| 294 ></A | |
| 295 >, | |
| 296 <A | |
| 297 HREF="sdlenablekeyrepeat.html" | |
| 298 ><TT | |
| 299 CLASS="FUNCTION" | |
| 300 >SDL_EnableKeyRepeat</TT | |
| 301 ></A | |
| 302 >, | |
| 303 <A | |
| 304 HREF="sdlenableunicode.html" | |
| 305 ><TT | |
| 306 CLASS="FUNCTION" | |
| 307 >SDL_EnableUNICODE</TT | |
| 308 ></A | |
| 309 ></P | |
| 310 ></DIV | |
| 311 ><DIV | |
| 312 CLASS="NAVFOOTER" | |
| 313 ><HR | |
| 314 ALIGN="LEFT" | |
| 315 WIDTH="100%"><TABLE | |
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316 SUMMARY="Footer navigation table" |
| 0 | 317 WIDTH="100%" |
| 318 BORDER="0" | |
| 319 CELLPADDING="0" | |
| 320 CELLSPACING="0" | |
| 321 ><TR | |
| 322 ><TD | |
| 323 WIDTH="33%" | |
| 324 ALIGN="left" | |
| 325 VALIGN="top" | |
| 326 ><A | |
| 327 HREF="sdlactiveevent.html" | |
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328 ACCESSKEY="P" |
| 0 | 329 >Prev</A |
| 330 ></TD | |
| 331 ><TD | |
| 332 WIDTH="34%" | |
| 333 ALIGN="center" | |
| 334 VALIGN="top" | |
| 335 ><A | |
| 336 HREF="index.html" | |
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337 ACCESSKEY="H" |
| 0 | 338 >Home</A |
| 339 ></TD | |
| 340 ><TD | |
| 341 WIDTH="33%" | |
| 342 ALIGN="right" | |
| 343 VALIGN="top" | |
| 344 ><A | |
| 345 HREF="sdlmousemotionevent.html" | |
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346 ACCESSKEY="N" |
| 0 | 347 >Next</A |
| 348 ></TD | |
| 349 ></TR | |
| 350 ><TR | |
| 351 ><TD | |
| 352 WIDTH="33%" | |
| 353 ALIGN="left" | |
| 354 VALIGN="top" | |
| 355 >SDL_ActiveEvent</TD | |
| 356 ><TD | |
| 357 WIDTH="34%" | |
| 358 ALIGN="center" | |
| 359 VALIGN="top" | |
| 360 ><A | |
| 361 HREF="eventstructures.html" | |
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362 ACCESSKEY="U" |
| 0 | 363 >Up</A |
| 364 ></TD | |
| 365 ><TD | |
| 366 WIDTH="33%" | |
| 367 ALIGN="right" | |
| 368 VALIGN="top" | |
| 369 >SDL_MouseMotionEvent</TD | |
| 370 ></TR | |
| 371 ></TABLE | |
| 372 ></DIV | |
| 373 ></BODY | |
| 374 ></HTML | |
| 375 > |