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annotate docs/html/sdluserevent.html @ 1125:a6011e1394d9
Apparently MacOS X will sometimes pass command line arguments to a Cocoa
app as an openFile() message, so we have to make sure we were launched from
the Finder before accepting these as drag'n'drop documents, or they will just
duplicate what's already in argc/argv.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Mon, 22 Aug 2005 14:18:15 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_UserEvent</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_SysWMEvent" | |
| 17 HREF="sdlsyswmevent.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_QuitEvent" | |
| 20 HREF="sdlquitevent.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="sdlsyswmevent.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="sdlquitevent.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="SDLUSEREVENT" | |
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74 ></A |
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75 >SDL_UserEvent</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN4565" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_UserEvent -- A user-defined event type</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSECT1" | |
| 86 ><A | |
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87 NAME="AEN4568" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Structure Definition</H2 | |
| 91 ><PRE | |
| 92 CLASS="PROGRAMLISTING" | |
| 93 >typedef struct{ | |
| 94 Uint8 type; | |
| 95 int code; | |
| 96 void *data1; | |
| 97 void *data2; | |
| 98 } SDL_UserEvent;</PRE | |
| 99 ></DIV | |
| 100 ><DIV | |
| 101 CLASS="REFSECT1" | |
| 102 ><A | |
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103 NAME="AEN4571" |
| 0 | 104 ></A |
| 105 ><H2 | |
| 106 >Structure Data</H2 | |
| 107 ><DIV | |
| 108 CLASS="INFORMALTABLE" | |
| 109 ><A | |
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110 NAME="AEN4573" |
| 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_USEREVENT</TT | |
| 134 > through to <TT | |
| 135 CLASS="LITERAL" | |
| 136 >SDL_NUMEVENTS-1</TT | |
| 137 ></TD | |
| 138 ></TR | |
| 139 ><TR | |
| 140 ><TD | |
| 141 ALIGN="LEFT" | |
| 142 VALIGN="TOP" | |
| 143 ><TT | |
| 144 CLASS="STRUCTFIELD" | |
| 145 ><I | |
| 146 >code</I | |
| 147 ></TT | |
| 148 ></TD | |
| 149 ><TD | |
| 150 ALIGN="LEFT" | |
| 151 VALIGN="TOP" | |
| 152 >User defined event code</TD | |
| 153 ></TR | |
| 154 ><TR | |
| 155 ><TD | |
| 156 ALIGN="LEFT" | |
| 157 VALIGN="TOP" | |
| 158 ><TT | |
| 159 CLASS="STRUCTFIELD" | |
| 160 ><I | |
| 161 >data1</I | |
| 162 ></TT | |
| 163 ></TD | |
| 164 ><TD | |
| 165 ALIGN="LEFT" | |
| 166 VALIGN="TOP" | |
| 167 >User defined data pointer</TD | |
| 168 ></TR | |
| 169 ><TR | |
| 170 ><TD | |
| 171 ALIGN="LEFT" | |
| 172 VALIGN="TOP" | |
| 173 ><TT | |
| 174 CLASS="STRUCTFIELD" | |
| 175 ><I | |
| 176 >data2</I | |
| 177 ></TT | |
| 178 ></TD | |
| 179 ><TD | |
| 180 ALIGN="LEFT" | |
| 181 VALIGN="TOP" | |
| 182 >User defined data pointer</TD | |
| 183 ></TR | |
| 184 ></TBODY | |
| 185 ></TABLE | |
| 186 ><P | |
| 187 ></P | |
| 188 ></DIV | |
| 189 ></DIV | |
| 190 ><DIV | |
| 191 CLASS="REFSECT1" | |
| 192 ><A | |
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193 NAME="AEN4594" |
| 0 | 194 ></A |
| 195 ><H2 | |
| 196 >Description</H2 | |
| 197 ><P | |
| 198 ><SPAN | |
| 199 CLASS="STRUCTNAME" | |
| 200 >SDL_UserEvent</SPAN | |
| 201 > is in the <TT | |
| 202 CLASS="STRUCTFIELD" | |
| 203 ><I | |
| 204 >user</I | |
| 205 ></TT | |
| 206 > member of the structure <A | |
| 207 HREF="sdlevent.html" | |
| 208 ><SPAN | |
| 209 CLASS="STRUCTNAME" | |
| 210 >SDL_Event</SPAN | |
| 211 ></A | |
| 212 >. This event is unique, it is never created by SDL but only by the user. The event can be pushed onto the event queue using <A | |
| 213 HREF="sdlpushevent.html" | |
| 214 ><TT | |
| 215 CLASS="FUNCTION" | |
| 216 >SDL_PushEvent</TT | |
| 217 ></A | |
| 218 >. The contents of the structure members or completely up to the programmer, the only requirement is that <TT | |
| 219 CLASS="STRUCTFIELD" | |
| 220 ><I | |
| 221 >type</I | |
| 222 ></TT | |
| 223 > is a value from <TT | |
| 224 CLASS="LITERAL" | |
| 225 >SDL_USEREVENT</TT | |
| 226 > to <TT | |
| 227 CLASS="LITERAL" | |
| 228 >SDL_NUMEVENTS-1</TT | |
| 229 > (inclusive).</P | |
| 230 ></DIV | |
| 231 ><DIV | |
| 232 CLASS="REFSECT1" | |
| 233 ><A | |
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234 NAME="AEN4606" |
| 0 | 235 ></A |
| 236 ><H2 | |
| 237 >Examples</H2 | |
| 238 ><P | |
| 239 ><PRE | |
| 240 CLASS="PROGRAMLISTING" | |
| 241 >SDL_Event event; | |
| 242 | |
| 243 event.type = SDL_USEREVENT; | |
| 244 event.user.code = my_event_code; | |
| 245 event.user.data1 = significant_data; | |
| 246 event.user.data2 = 0; | |
| 247 SDL_PushEvent(&event);</PRE | |
| 248 ></P | |
| 249 ></DIV | |
| 250 ><DIV | |
| 251 CLASS="REFSECT1" | |
| 252 ><A | |
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253 NAME="AEN4610" |
| 0 | 254 ></A |
| 255 ><H2 | |
| 256 >See Also</H2 | |
| 257 ><P | |
| 258 ><A | |
| 259 HREF="sdlevent.html" | |
| 260 ><SPAN | |
| 261 CLASS="STRUCTNAME" | |
| 262 >SDL_Event</SPAN | |
| 263 ></A | |
| 264 >, | |
| 265 <A | |
| 266 HREF="sdlpushevent.html" | |
| 267 ><TT | |
| 268 CLASS="FUNCTION" | |
| 269 >SDL_PushEvent</TT | |
| 270 ></A | |
| 271 ></P | |
| 272 ></DIV | |
| 273 ><DIV | |
| 274 CLASS="NAVFOOTER" | |
| 275 ><HR | |
| 276 ALIGN="LEFT" | |
| 277 WIDTH="100%"><TABLE | |
|
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278 SUMMARY="Footer navigation table" |
| 0 | 279 WIDTH="100%" |
| 280 BORDER="0" | |
| 281 CELLPADDING="0" | |
| 282 CELLSPACING="0" | |
| 283 ><TR | |
| 284 ><TD | |
| 285 WIDTH="33%" | |
| 286 ALIGN="left" | |
| 287 VALIGN="top" | |
| 288 ><A | |
| 289 HREF="sdlsyswmevent.html" | |
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290 ACCESSKEY="P" |
| 0 | 291 >Prev</A |
| 292 ></TD | |
| 293 ><TD | |
| 294 WIDTH="34%" | |
| 295 ALIGN="center" | |
| 296 VALIGN="top" | |
| 297 ><A | |
| 298 HREF="index.html" | |
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299 ACCESSKEY="H" |
| 0 | 300 >Home</A |
| 301 ></TD | |
| 302 ><TD | |
| 303 WIDTH="33%" | |
| 304 ALIGN="right" | |
| 305 VALIGN="top" | |
| 306 ><A | |
| 307 HREF="sdlquitevent.html" | |
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308 ACCESSKEY="N" |
| 0 | 309 >Next</A |
| 310 ></TD | |
| 311 ></TR | |
| 312 ><TR | |
| 313 ><TD | |
| 314 WIDTH="33%" | |
| 315 ALIGN="left" | |
| 316 VALIGN="top" | |
| 317 >SDL_SysWMEvent</TD | |
| 318 ><TD | |
| 319 WIDTH="34%" | |
| 320 ALIGN="center" | |
| 321 VALIGN="top" | |
| 322 ><A | |
| 323 HREF="eventstructures.html" | |
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324 ACCESSKEY="U" |
| 0 | 325 >Up</A |
| 326 ></TD | |
| 327 ><TD | |
| 328 WIDTH="33%" | |
| 329 ALIGN="right" | |
| 330 VALIGN="top" | |
| 331 >SDL_QuitEvent</TD | |
| 332 ></TR | |
| 333 ></TABLE | |
| 334 ></DIV | |
| 335 ></BODY | |
| 336 ></HTML | |
| 337 > |