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annotate docs/html/sdlmousemotionevent.html @ 587:f00ccf8d8edc
Added code to testsprite to detect tearing when flipping
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 01 Feb 2003 19:56:45 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 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 1.64 |
| 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_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 | |
| 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="sdlkeyboardevent.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="sdlmousebuttonevent.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="SDLMOUSEMOTIONEVENT" | |
| 71 >SDL_MouseMotionEvent</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN3695" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_MouseMotionEvent -- Mouse motion event structure</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSECT1" | |
| 83 ><A | |
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84 NAME="AEN3698" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Structure Definition</H2 | |
| 88 ><PRE | |
| 89 CLASS="PROGRAMLISTING" | |
| 90 >typedef struct{ | |
| 91 Uint8 type; | |
| 92 Uint8 state; | |
| 93 Uint16 x, y; | |
| 94 Sint16 xrel, yrel; | |
| 95 } SDL_MouseMotionEvent;</PRE | |
| 96 ></DIV | |
| 97 ><DIV | |
| 98 CLASS="REFSECT1" | |
| 99 ><A | |
|
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100 NAME="AEN3701" |
| 0 | 101 ></A |
| 102 ><H2 | |
| 103 >Structure Data</H2 | |
| 104 ><DIV | |
| 105 CLASS="INFORMALTABLE" | |
| 106 ><A | |
|
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107 NAME="AEN3703" |
| 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_MOUSEMOTION</TT | |
| 131 ></TD | |
| 132 ></TR | |
| 133 ><TR | |
| 134 ><TD | |
| 135 ALIGN="LEFT" | |
| 136 VALIGN="TOP" | |
| 137 ><TT | |
| 138 CLASS="STRUCTFIELD" | |
| 139 ><I | |
| 140 >state</I | |
| 141 ></TT | |
| 142 ></TD | |
| 143 ><TD | |
| 144 ALIGN="LEFT" | |
| 145 VALIGN="TOP" | |
| 146 >The current button state</TD | |
| 147 ></TR | |
| 148 ><TR | |
| 149 ><TD | |
| 150 ALIGN="LEFT" | |
| 151 VALIGN="TOP" | |
| 152 ><TT | |
| 153 CLASS="STRUCTFIELD" | |
| 154 ><I | |
| 155 >x</I | |
| 156 ></TT | |
| 157 >, <TT | |
| 158 CLASS="STRUCTFIELD" | |
| 159 ><I | |
| 160 >y</I | |
| 161 ></TT | |
| 162 ></TD | |
| 163 ><TD | |
| 164 ALIGN="LEFT" | |
| 165 VALIGN="TOP" | |
| 166 >The X/Y coordinates of the mouse</TD | |
| 167 ></TR | |
| 168 ><TR | |
| 169 ><TD | |
| 170 ALIGN="LEFT" | |
| 171 VALIGN="TOP" | |
| 172 ><TT | |
| 173 CLASS="STRUCTFIELD" | |
| 174 ><I | |
| 175 >xrel</I | |
| 176 ></TT | |
| 177 >, <TT | |
| 178 CLASS="STRUCTFIELD" | |
| 179 ><I | |
| 180 >yrel</I | |
| 181 ></TT | |
| 182 ></TD | |
| 183 ><TD | |
| 184 ALIGN="LEFT" | |
| 185 VALIGN="TOP" | |
| 186 >Relative motion in the X/Y direction</TD | |
| 187 ></TR | |
| 188 ></TBODY | |
| 189 ></TABLE | |
| 190 ><P | |
| 191 ></P | |
| 192 ></DIV | |
| 193 ></DIV | |
| 194 ><DIV | |
| 195 CLASS="REFSECT1" | |
| 196 ><A | |
|
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197 NAME="AEN3725" |
| 0 | 198 ></A |
| 199 ><H2 | |
| 200 >Description</H2 | |
| 201 ><P | |
| 202 ><SPAN | |
| 203 CLASS="STRUCTNAME" | |
| 204 >SDL_MouseMotionEvent</SPAN | |
| 205 > is a member of the <A | |
| 206 HREF="sdlevent.html" | |
| 207 ><SPAN | |
| 208 CLASS="STRUCTNAME" | |
| 209 >SDL_Event</SPAN | |
| 210 ></A | |
| 211 > union and is used when an event of type <TT | |
| 212 CLASS="LITERAL" | |
| 213 >SDL_MOUSEMOTION</TT | |
| 214 > is reported.</P | |
| 215 ><P | |
| 216 >Simply put, a <TT | |
| 217 CLASS="LITERAL" | |
| 218 >SDL_MOUSEMOTION</TT | |
| 219 > type event occurs when a user moves the mouse within the application window or when <A | |
| 220 HREF="sdlwarpmouse.html" | |
| 221 ><TT | |
| 222 CLASS="FUNCTION" | |
| 223 >SDL_WarpMouse</TT | |
| 224 ></A | |
| 225 > is called. Both the absolute (<TT | |
| 226 CLASS="STRUCTFIELD" | |
| 227 ><I | |
| 228 >x</I | |
| 229 ></TT | |
| 230 > and <TT | |
| 231 CLASS="STRUCTFIELD" | |
| 232 ><I | |
| 233 >y</I | |
| 234 ></TT | |
| 235 >) and relative (<TT | |
| 236 CLASS="STRUCTFIELD" | |
| 237 ><I | |
| 238 >xrel</I | |
| 239 ></TT | |
| 240 > and <TT | |
| 241 CLASS="STRUCTFIELD" | |
| 242 ><I | |
| 243 >yrel</I | |
| 244 ></TT | |
| 245 >) coordinates are reported along with the current button states (<TT | |
| 246 CLASS="STRUCTFIELD" | |
| 247 ><I | |
| 248 >state</I | |
| 249 ></TT | |
| 250 >). The button state can be interpreted using the <TT | |
| 251 CLASS="LITERAL" | |
| 252 >SDL_BUTTON</TT | |
| 253 > macro (see <A | |
| 254 HREF="sdlgetmousestate.html" | |
| 255 ><TT | |
| 256 CLASS="FUNCTION" | |
| 257 >SDL_GetMouseState</TT | |
| 258 ></A | |
| 259 >).</P | |
| 260 ><P | |
| 261 >If the cursor is hidden (<A | |
| 262 HREF="sdlshowcursor.html" | |
| 263 ><TT | |
| 264 CLASS="FUNCTION" | |
| 265 >SDL_ShowCursor</TT | |
| 266 >(0)</A | |
| 267 >) and the input is grabbed (<A | |
| 268 HREF="sdlwmgrabinput.html" | |
| 269 ><TT | |
| 270 CLASS="FUNCTION" | |
| 271 >SDL_WM_GrabInput</TT | |
| 272 >(SDL_GRAB_ON)</A | |
| 273 >), 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 | |
| 274 ></DIV | |
| 275 ><DIV | |
| 276 CLASS="REFSECT1" | |
| 277 ><A | |
|
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278 NAME="AEN3749" |
| 0 | 279 ></A |
| 280 ><H2 | |
| 281 >See Also</H2 | |
| 282 ><P | |
| 283 ><A | |
| 284 HREF="sdlevent.html" | |
| 285 ><SPAN | |
| 286 CLASS="STRUCTNAME" | |
| 287 >SDL_Event</SPAN | |
| 288 ></A | |
| 289 >, | |
| 290 <A | |
| 291 HREF="sdlmousebuttonevent.html" | |
| 292 ><SPAN | |
| 293 CLASS="STRUCTNAME" | |
| 294 >SDL_MouseButtonEvent</SPAN | |
| 295 ></A | |
| 296 ></P | |
| 297 ></DIV | |
| 298 ><DIV | |
| 299 CLASS="NAVFOOTER" | |
| 300 ><HR | |
| 301 ALIGN="LEFT" | |
| 302 WIDTH="100%"><TABLE | |
| 303 WIDTH="100%" | |
| 304 BORDER="0" | |
| 305 CELLPADDING="0" | |
| 306 CELLSPACING="0" | |
| 307 ><TR | |
| 308 ><TD | |
| 309 WIDTH="33%" | |
| 310 ALIGN="left" | |
| 311 VALIGN="top" | |
| 312 ><A | |
| 313 HREF="sdlkeyboardevent.html" | |
| 314 >Prev</A | |
| 315 ></TD | |
| 316 ><TD | |
| 317 WIDTH="34%" | |
| 318 ALIGN="center" | |
| 319 VALIGN="top" | |
| 320 ><A | |
| 321 HREF="index.html" | |
| 322 >Home</A | |
| 323 ></TD | |
| 324 ><TD | |
| 325 WIDTH="33%" | |
| 326 ALIGN="right" | |
| 327 VALIGN="top" | |
| 328 ><A | |
| 329 HREF="sdlmousebuttonevent.html" | |
| 330 >Next</A | |
| 331 ></TD | |
| 332 ></TR | |
| 333 ><TR | |
| 334 ><TD | |
| 335 WIDTH="33%" | |
| 336 ALIGN="left" | |
| 337 VALIGN="top" | |
| 338 >SDL_KeyboardEvent</TD | |
| 339 ><TD | |
| 340 WIDTH="34%" | |
| 341 ALIGN="center" | |
| 342 VALIGN="top" | |
| 343 ><A | |
| 344 HREF="eventstructures.html" | |
| 345 >Up</A | |
| 346 ></TD | |
| 347 ><TD | |
| 348 WIDTH="33%" | |
| 349 ALIGN="right" | |
| 350 VALIGN="top" | |
| 351 >SDL_MouseButtonEvent</TD | |
| 352 ></TR | |
| 353 ></TABLE | |
| 354 ></DIV | |
| 355 ></BODY | |
| 356 ></HTML | |
| 357 > |