Mercurial > sdl-ios-xcode
annotate docs/html/sdlmousemotionevent.html @ 2303:d87417504c75
First pass implementation of new SDL scancode concept, as discussed with
Christian Walther. Currently only implemented on Mac OS X for sanity
checking purposes.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 05 Feb 2008 07:19:23 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_MouseMotionEvent</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_KeyboardEvent" | |
| 17 HREF="sdlkeyboardevent.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_MouseButtonEvent" | |
| 20 HREF="sdlmousebuttonevent.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="sdlkeyboardevent.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="sdlmousebuttonevent.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="SDLMOUSEMOTIONEVENT" | |
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74 ></A |
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75 >SDL_MouseMotionEvent</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN4079" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_MouseMotionEvent -- Mouse motion event structure</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSECT1" | |
| 86 ><A | |
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87 NAME="AEN4082" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Structure Definition</H2 | |
| 91 ><PRE | |
| 92 CLASS="PROGRAMLISTING" | |
| 93 >typedef struct{ | |
| 94 Uint8 type; | |
| 95 Uint8 state; | |
| 96 Uint16 x, y; | |
| 97 Sint16 xrel, yrel; | |
| 98 } SDL_MouseMotionEvent;</PRE | |
| 99 ></DIV | |
| 100 ><DIV | |
| 101 CLASS="REFSECT1" | |
| 102 ><A | |
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103 NAME="AEN4085" |
| 0 | 104 ></A |
| 105 ><H2 | |
| 106 >Structure Data</H2 | |
| 107 ><DIV | |
| 108 CLASS="INFORMALTABLE" | |
| 109 ><A | |
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110 NAME="AEN4087" |
| 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_MOUSEMOTION</TT | |
| 134 ></TD | |
| 135 ></TR | |
| 136 ><TR | |
| 137 ><TD | |
| 138 ALIGN="LEFT" | |
| 139 VALIGN="TOP" | |
| 140 ><TT | |
| 141 CLASS="STRUCTFIELD" | |
| 142 ><I | |
| 143 >state</I | |
| 144 ></TT | |
| 145 ></TD | |
| 146 ><TD | |
| 147 ALIGN="LEFT" | |
| 148 VALIGN="TOP" | |
| 149 >The current button state</TD | |
| 150 ></TR | |
| 151 ><TR | |
| 152 ><TD | |
| 153 ALIGN="LEFT" | |
| 154 VALIGN="TOP" | |
| 155 ><TT | |
| 156 CLASS="STRUCTFIELD" | |
| 157 ><I | |
| 158 >x</I | |
| 159 ></TT | |
| 160 >, <TT | |
| 161 CLASS="STRUCTFIELD" | |
| 162 ><I | |
| 163 >y</I | |
| 164 ></TT | |
| 165 ></TD | |
| 166 ><TD | |
| 167 ALIGN="LEFT" | |
| 168 VALIGN="TOP" | |
| 169 >The X/Y coordinates of the mouse</TD | |
| 170 ></TR | |
| 171 ><TR | |
| 172 ><TD | |
| 173 ALIGN="LEFT" | |
| 174 VALIGN="TOP" | |
| 175 ><TT | |
| 176 CLASS="STRUCTFIELD" | |
| 177 ><I | |
| 178 >xrel</I | |
| 179 ></TT | |
| 180 >, <TT | |
| 181 CLASS="STRUCTFIELD" | |
| 182 ><I | |
| 183 >yrel</I | |
| 184 ></TT | |
| 185 ></TD | |
| 186 ><TD | |
| 187 ALIGN="LEFT" | |
| 188 VALIGN="TOP" | |
| 189 >Relative motion in the X/Y direction</TD | |
| 190 ></TR | |
| 191 ></TBODY | |
| 192 ></TABLE | |
| 193 ><P | |
| 194 ></P | |
| 195 ></DIV | |
| 196 ></DIV | |
| 197 ><DIV | |
| 198 CLASS="REFSECT1" | |
| 199 ><A | |
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200 NAME="AEN4109" |
| 0 | 201 ></A |
| 202 ><H2 | |
| 203 >Description</H2 | |
| 204 ><P | |
| 205 ><SPAN | |
| 206 CLASS="STRUCTNAME" | |
| 207 >SDL_MouseMotionEvent</SPAN | |
| 208 > is a member of the <A | |
| 209 HREF="sdlevent.html" | |
| 210 ><SPAN | |
| 211 CLASS="STRUCTNAME" | |
| 212 >SDL_Event</SPAN | |
| 213 ></A | |
| 214 > union and is used when an event of type <TT | |
| 215 CLASS="LITERAL" | |
| 216 >SDL_MOUSEMOTION</TT | |
| 217 > is reported.</P | |
| 218 ><P | |
| 219 >Simply put, a <TT | |
| 220 CLASS="LITERAL" | |
| 221 >SDL_MOUSEMOTION</TT | |
| 222 > type event occurs when a user moves the mouse within the application window or when <A | |
| 223 HREF="sdlwarpmouse.html" | |
| 224 ><TT | |
| 225 CLASS="FUNCTION" | |
| 226 >SDL_WarpMouse</TT | |
| 227 ></A | |
| 228 > is called. Both the absolute (<TT | |
| 229 CLASS="STRUCTFIELD" | |
| 230 ><I | |
| 231 >x</I | |
| 232 ></TT | |
| 233 > and <TT | |
| 234 CLASS="STRUCTFIELD" | |
| 235 ><I | |
| 236 >y</I | |
| 237 ></TT | |
| 238 >) and relative (<TT | |
| 239 CLASS="STRUCTFIELD" | |
| 240 ><I | |
| 241 >xrel</I | |
| 242 ></TT | |
| 243 > and <TT | |
| 244 CLASS="STRUCTFIELD" | |
| 245 ><I | |
| 246 >yrel</I | |
| 247 ></TT | |
| 248 >) coordinates are reported along with the current button states (<TT | |
| 249 CLASS="STRUCTFIELD" | |
| 250 ><I | |
| 251 >state</I | |
| 252 ></TT | |
| 253 >). The button state can be interpreted using the <TT | |
| 254 CLASS="LITERAL" | |
| 255 >SDL_BUTTON</TT | |
| 256 > macro (see <A | |
| 257 HREF="sdlgetmousestate.html" | |
| 258 ><TT | |
| 259 CLASS="FUNCTION" | |
| 260 >SDL_GetMouseState</TT | |
| 261 ></A | |
| 262 >).</P | |
| 263 ><P | |
| 264 >If the cursor is hidden (<A | |
| 265 HREF="sdlshowcursor.html" | |
| 266 ><TT | |
| 267 CLASS="FUNCTION" | |
| 268 >SDL_ShowCursor</TT | |
| 269 >(0)</A | |
| 270 >) and the input is grabbed (<A | |
| 271 HREF="sdlwmgrabinput.html" | |
| 272 ><TT | |
| 273 CLASS="FUNCTION" | |
| 274 >SDL_WM_GrabInput</TT | |
| 275 >(SDL_GRAB_ON)</A | |
| 276 >), then the mouse will give relative motion events even when the cursor reaches the edge fo the screen. This is currently only implemented on Windows and Linux/Unix-a-likes.</P | |
| 277 ></DIV | |
| 278 ><DIV | |
| 279 CLASS="REFSECT1" | |
| 280 ><A | |
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281 NAME="AEN4133" |
| 0 | 282 ></A |
| 283 ><H2 | |
| 284 >See Also</H2 | |
| 285 ><P | |
| 286 ><A | |
| 287 HREF="sdlevent.html" | |
| 288 ><SPAN | |
| 289 CLASS="STRUCTNAME" | |
| 290 >SDL_Event</SPAN | |
| 291 ></A | |
| 292 >, | |
| 293 <A | |
| 294 HREF="sdlmousebuttonevent.html" | |
| 295 ><SPAN | |
| 296 CLASS="STRUCTNAME" | |
| 297 >SDL_MouseButtonEvent</SPAN | |
| 298 ></A | |
| 299 ></P | |
| 300 ></DIV | |
| 301 ><DIV | |
| 302 CLASS="NAVFOOTER" | |
| 303 ><HR | |
| 304 ALIGN="LEFT" | |
| 305 WIDTH="100%"><TABLE | |
|
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306 SUMMARY="Footer navigation table" |
| 0 | 307 WIDTH="100%" |
| 308 BORDER="0" | |
| 309 CELLPADDING="0" | |
| 310 CELLSPACING="0" | |
| 311 ><TR | |
| 312 ><TD | |
| 313 WIDTH="33%" | |
| 314 ALIGN="left" | |
| 315 VALIGN="top" | |
| 316 ><A | |
| 317 HREF="sdlkeyboardevent.html" | |
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318 ACCESSKEY="P" |
| 0 | 319 >Prev</A |
| 320 ></TD | |
| 321 ><TD | |
| 322 WIDTH="34%" | |
| 323 ALIGN="center" | |
| 324 VALIGN="top" | |
| 325 ><A | |
| 326 HREF="index.html" | |
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327 ACCESSKEY="H" |
| 0 | 328 >Home</A |
| 329 ></TD | |
| 330 ><TD | |
| 331 WIDTH="33%" | |
| 332 ALIGN="right" | |
| 333 VALIGN="top" | |
| 334 ><A | |
| 335 HREF="sdlmousebuttonevent.html" | |
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336 ACCESSKEY="N" |
| 0 | 337 >Next</A |
| 338 ></TD | |
| 339 ></TR | |
| 340 ><TR | |
| 341 ><TD | |
| 342 WIDTH="33%" | |
| 343 ALIGN="left" | |
| 344 VALIGN="top" | |
| 345 >SDL_KeyboardEvent</TD | |
| 346 ><TD | |
| 347 WIDTH="34%" | |
| 348 ALIGN="center" | |
| 349 VALIGN="top" | |
| 350 ><A | |
| 351 HREF="eventstructures.html" | |
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352 ACCESSKEY="U" |
| 0 | 353 >Up</A |
| 354 ></TD | |
| 355 ><TD | |
| 356 WIDTH="33%" | |
| 357 ALIGN="right" | |
| 358 VALIGN="top" | |
| 359 >SDL_MouseButtonEvent</TD | |
| 360 ></TR | |
| 361 ></TABLE | |
| 362 ></DIV | |
| 363 ></BODY | |
| 364 ></HTML | |
| 365 > |