xorg-server-1.4/hw/dmx/doc/html/dmxcursor_8h.html

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  11 <h1>dmxcursor.h File Reference</h1><code>#include "mipointer.h"</code><br>
  12
  13 <p>
  14 <a href="dmxcursor_8h-source.html">Go to the source code of this file.</a><table border=0 cellpadding=0 cellspacing=0>
  15 <tr><td></td></tr>
  16 <tr><td colspan=2><br><h2>Data Structures</h2></td></tr>
  17 <tr><td class="memItemLeft" nowrap align=right valign=top>struct &nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="struct__dmxCursorPriv.html">_dmxCursorPriv</a></td></tr>
  18
  19 <tr><td colspan=2><br><h2>Typedefs</h2></td></tr>
  20 <tr><td class="memItemLeft" nowrap align=right valign=top>typedef <a class="el" href="struct__dmxCursorPriv.html">_dmxCursorPriv</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a1">dmxCursorPrivRec</a></td></tr>
  21
  22 <tr><td class="memItemLeft" nowrap align=right valign=top>typedef <a class="el" href="struct__dmxCursorPriv.html">_dmxCursorPriv</a> *&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a2">dmxCursorPrivPtr</a></td></tr>
  23
  24 <tr><td colspan=2><br><h2>Functions</h2></td></tr>
  25 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a5">dmxReInitOrigins</a> (void)</td></tr>
  26
  27 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a6">dmxInitOrigins</a> (void)</td></tr>
  28
  29 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a7">dmxInitOverlap</a> (void)</td></tr>
  30
  31 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a8">dmxCursorNoMulti</a> (void)</td></tr>
  32
  33 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a9">dmxMoveCursor</a> (ScreenPtr pScreen, int x, int y)</td></tr>
  34
  35 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a10">dmxCheckCursor</a> (void)</td></tr>
  36
  37 <tr><td class="memItemLeft" nowrap align=right valign=top>int&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a11">dmxOnScreen</a> (int x, int y, <a class="el" href="struct__DMXScreenInfo.html">DMXScreenInfo</a> *dmxScreen)</td></tr>
  38
  39 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a12">dmxHideCursor</a> (<a class="el" href="struct__DMXScreenInfo.html">DMXScreenInfo</a> *dmxScreen)</td></tr>
  40
  41 <tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a13">dmxBECreateCursor</a> (ScreenPtr pScreen, CursorPtr pCursor)</td></tr>
  42
  43 <tr><td class="memItemLeft" nowrap align=right valign=top>Bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a14">dmxBEFreeCursor</a> (ScreenPtr pScreen, CursorPtr pCursor)</td></tr>
  44
  45 <tr><td colspan=2><br><h2>Variables</h2></td></tr>
  46 <tr><td class="memItemLeft" nowrap align=right valign=top>miPointerScreenFuncRec&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a3">dmxPointerCursorFuncs</a></td></tr>
  47
  48 <tr><td class="memItemLeft" nowrap align=right valign=top>miPointerSpriteFuncRec&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="dmxcursor_8h.html#a4">dmxPointerSpriteFuncs</a></td></tr>
  49
  50 </table>
  51 <hr><a name="_details"></a><h2>Detailed Description</h2>
  52 Interface for cursor support. <dl compact><dt><b>See also:</b></dt><dd><a class="el" href="dmxcursor_8c.html">dmxcursor.c</a>.</dd></dl>
  53 <hr><h2>Typedef Documentation</h2>
  54 <a class="anchor" name="a2" doxytag="dmxcursor.h::dmxCursorPrivPtr" ></a><p>
  55 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
  56   <tr>
  57     <td class="mdRow">
  58       <table cellpadding="0" cellspacing="0" border="0">
  59         <tr>
  60           <td class="md" nowrap valign="top"> typedef struct <a class="el" href="struct__dmxCursorPriv.html">_dmxCursorPriv</a> * <a class="el" href="struct__dmxCursorPriv.html">dmxCursorPrivPtr</a>
  61       </table>
  62     </td>
  63   </tr>
  64 </table>
  65 <table cellspacing=5 cellpadding=0 border=0>
  66   <tr>
  67     <td>
  68       &nbsp;
  69     </td>
  70     <td>
  71
  72 <p>
  73 Cursor private area.     </td>
  74   </tr>
  75 </table>
  76 <a class="anchor" name="a1" doxytag="dmxcursor.h::dmxCursorPrivRec" ></a><p>
  77 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
  78   <tr>
  79     <td class="mdRow">
  80       <table cellpadding="0" cellspacing="0" border="0">
  81         <tr>
  82           <td class="md" nowrap valign="top"> typedef struct <a class="el" href="struct__dmxCursorPriv.html">_dmxCursorPriv</a>  <a class="el" href="struct__dmxCursorPriv.html">dmxCursorPrivRec</a>
  83       </table>
  84     </td>
  85   </tr>
  86 </table>
  87 <table cellspacing=5 cellpadding=0 border=0>
  88   <tr>
  89     <td>
  90       &nbsp;
  91     </td>
  92     <td>
  93
  94 <p>
  95 Cursor private area.     </td>
  96   </tr>
  97 </table>
  98 <hr><h2>Function Documentation</h2>
  99 <a class="anchor" name="a13" doxytag="dmxcursor.h::dmxBECreateCursor" ></a><p>
 100 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 101   <tr>
 102     <td class="mdRow">
 103       <table cellpadding="0" cellspacing="0" border="0">
 104         <tr>
 105           <td class="md" nowrap valign="top"> void dmxBECreateCursor </td>
 106           <td class="md" valign="top">(&nbsp;</td>
 107           <td class="md" nowrap valign="top">ScreenPtr&nbsp;</td>
 108           <td class="mdname" nowrap> <em>pScreen</em>, </td>
 109         </tr>
 110         <tr>
 111           <td></td>
 112           <td></td>
 113           <td class="md" nowrap>CursorPtr&nbsp;</td>
 114           <td class="mdname" nowrap> <em>pCursor</em></td>
 115         </tr>
 116         <tr>
 117           <td></td>
 118           <td class="md">)&nbsp;</td>
 119           <td class="md" colspan="2"></td>
 120         </tr>
 121
 122       </table>
 123     </td>
 124   </tr>
 125 </table>
 126 <table cellspacing=5 cellpadding=0 border=0>
 127   <tr>
 128     <td>
 129       &nbsp;
 130     </td>
 131     <td>
 132
 133 <p>
 134 Create <em>pCursor</em> on the back-end associated with <em>pScreen</em>.     </td>
 135   </tr>
 136 </table>
 137 <a class="anchor" name="a14" doxytag="dmxcursor.h::dmxBEFreeCursor" ></a><p>
 138 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 139   <tr>
 140     <td class="mdRow">
 141       <table cellpadding="0" cellspacing="0" border="0">
 142         <tr>
 143           <td class="md" nowrap valign="top"> Bool dmxBEFreeCursor </td>
 144           <td class="md" valign="top">(&nbsp;</td>
 145           <td class="md" nowrap valign="top">ScreenPtr&nbsp;</td>
 146           <td class="mdname" nowrap> <em>pScreen</em>, </td>
 147         </tr>
 148         <tr>
 149           <td></td>
 150           <td></td>
 151           <td class="md" nowrap>CursorPtr&nbsp;</td>
 152           <td class="mdname" nowrap> <em>pCursor</em></td>
 153         </tr>
 154         <tr>
 155           <td></td>
 156           <td class="md">)&nbsp;</td>
 157           <td class="md" colspan="2"></td>
 158         </tr>
 159
 160       </table>
 161     </td>
 162   </tr>
 163 </table>
 164 <table cellspacing=5 cellpadding=0 border=0>
 165   <tr>
 166     <td>
 167       &nbsp;
 168     </td>
 169     <td>
 170
 171 <p>
 172 Free <em>pCursor</em> on the back-end associated with <em>pScreen</em>.     </td>
 173   </tr>
 174 </table>
 175 <a class="anchor" name="a10" doxytag="dmxcursor.h::dmxCheckCursor" ></a><p>
 176 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 177   <tr>
 178     <td class="mdRow">
 179       <table cellpadding="0" cellspacing="0" border="0">
 180         <tr>
 181           <td class="md" nowrap valign="top"> void dmxCheckCursor </td>
 182           <td class="md" valign="top">(&nbsp;</td>
 183           <td class="md" nowrap valign="top">void&nbsp;</td>
 184           <td class="mdname1" valign="top" nowrap>          </td>
 185           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 186           <td class="md" nowrap></td>
 187         </tr>
 188
 189       </table>
 190     </td>
 191   </tr>
 192 </table>
 193 <table cellspacing=5 cellpadding=0 border=0>
 194   <tr>
 195     <td>
 196       &nbsp;
 197     </td>
 198     <td>
 199
 200 <p>
 201 This routine is called during reconfiguration to make sure the cursor is visible.     </td>
 202   </tr>
 203 </table>
 204 <a class="anchor" name="a8" doxytag="dmxcursor.h::dmxCursorNoMulti" ></a><p>
 205 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 206   <tr>
 207     <td class="mdRow">
 208       <table cellpadding="0" cellspacing="0" border="0">
 209         <tr>
 210           <td class="md" nowrap valign="top"> void dmxCursorNoMulti </td>
 211           <td class="md" valign="top">(&nbsp;</td>
 212           <td class="md" nowrap valign="top">void&nbsp;</td>
 213           <td class="mdname1" valign="top" nowrap>          </td>
 214           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 215           <td class="md" nowrap></td>
 216         </tr>
 217
 218       </table>
 219     </td>
 220   </tr>
 221 </table>
 222 <table cellspacing=5 cellpadding=0 border=0>
 223   <tr>
 224     <td>
 225       &nbsp;
 226     </td>
 227     <td>
 228
 229 <p>
 230 Turn off support for displaying multiple cursors on overlapped back-end displays. See #dmxCursorDoMultiCursors.     </td>
 231   </tr>
 232 </table>
 233 <a class="anchor" name="a12" doxytag="dmxcursor.h::dmxHideCursor" ></a><p>
 234 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 235   <tr>
 236     <td class="mdRow">
 237       <table cellpadding="0" cellspacing="0" border="0">
 238         <tr>
 239           <td class="md" nowrap valign="top"> void dmxHideCursor </td>
 240           <td class="md" valign="top">(&nbsp;</td>
 241           <td class="md" nowrap valign="top"><a class="el" href="struct__DMXScreenInfo.html">DMXScreenInfo</a> *&nbsp;</td>
 242           <td class="mdname1" valign="top" nowrap> <em>dmxScreen</em>          </td>
 243           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 244           <td class="md" nowrap></td>
 245         </tr>
 246
 247       </table>
 248     </td>
 249   </tr>
 250 </table>
 251 <table cellspacing=5 cellpadding=0 border=0>
 252   <tr>
 253     <td>
 254       &nbsp;
 255     </td>
 256     <td>
 257
 258 <p>
 259 This routine is used by the backend input routines to hide the cursor on a screen that is being used for relative input. <dl compact><dt><b>See also:</b></dt><dd><a class="el" href="dmxbackend_8c.html">dmxbackend.c</a> </dd></dl>
 260     </td>
 261   </tr>
 262 </table>
 263 <a class="anchor" name="a6" doxytag="dmxcursor.h::dmxInitOrigins" ></a><p>
 264 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 265   <tr>
 266     <td class="mdRow">
 267       <table cellpadding="0" cellspacing="0" border="0">
 268         <tr>
 269           <td class="md" nowrap valign="top"> void dmxInitOrigins </td>
 270           <td class="md" valign="top">(&nbsp;</td>
 271           <td class="md" nowrap valign="top">void&nbsp;</td>
 272           <td class="mdname1" valign="top" nowrap>          </td>
 273           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 274           <td class="md" nowrap></td>
 275         </tr>
 276
 277       </table>
 278     </td>
 279   </tr>
 280 </table>
 281 <table cellspacing=5 cellpadding=0 border=0>
 282   <tr>
 283     <td>
 284       &nbsp;
 285     </td>
 286     <td>
 287
 288 <p>
 289 Initialize screen origins (and relative position). This is called for each server generation. For dynamic reconfiguration, use <a class="el" href="dmxcursor_8c.html#a21">dmxReInitOrigins()</a> instead.     </td>
 290   </tr>
 291 </table>
 292 <a class="anchor" name="a7" doxytag="dmxcursor.h::dmxInitOverlap" ></a><p>
 293 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 294   <tr>
 295     <td class="mdRow">
 296       <table cellpadding="0" cellspacing="0" border="0">
 297         <tr>
 298           <td class="md" nowrap valign="top"> void dmxInitOverlap </td>
 299           <td class="md" valign="top">(&nbsp;</td>
 300           <td class="md" nowrap valign="top">void&nbsp;</td>
 301           <td class="mdname1" valign="top" nowrap>          </td>
 302           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 303           <td class="md" nowrap></td>
 304         </tr>
 305
 306       </table>
 307     </td>
 308   </tr>
 309 </table>
 310 <table cellspacing=5 cellpadding=0 border=0>
 311   <tr>
 312     <td>
 313       &nbsp;
 314     </td>
 315     <td>
 316
 317 <p>
 318 Detects overlapping dmxScreens and creates circular lists. This uses an O(dmxNumScreens^2) algorithm, but dmxNumScreens is &lt; 100 and the computation only needs to be performed for every server generation or dynamic reconfiguration .     </td>
 319   </tr>
 320 </table>
 321 <a class="anchor" name="a9" doxytag="dmxcursor.h::dmxMoveCursor" ></a><p>
 322 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 323   <tr>
 324     <td class="mdRow">
 325       <table cellpadding="0" cellspacing="0" border="0">
 326         <tr>
 327           <td class="md" nowrap valign="top"> void dmxMoveCursor </td>
 328           <td class="md" valign="top">(&nbsp;</td>
 329           <td class="md" nowrap valign="top">ScreenPtr&nbsp;</td>
 330           <td class="mdname" nowrap> <em>pScreen</em>, </td>
 331         </tr>
 332         <tr>
 333           <td></td>
 334           <td></td>
 335           <td class="md" nowrap>int&nbsp;</td>
 336           <td class="mdname" nowrap> <em>x</em>, </td>
 337         </tr>
 338         <tr>
 339           <td></td>
 340           <td></td>
 341           <td class="md" nowrap>int&nbsp;</td>
 342           <td class="mdname" nowrap> <em>y</em></td>
 343         </tr>
 344         <tr>
 345           <td></td>
 346           <td class="md">)&nbsp;</td>
 347           <td class="md" colspan="2"></td>
 348         </tr>
 349
 350       </table>
 351     </td>
 352   </tr>
 353 </table>
 354 <table cellspacing=5 cellpadding=0 border=0>
 355   <tr>
 356     <td>
 357       &nbsp;
 358     </td>
 359     <td>
 360
 361 <p>
 362 Move the cursor to coordinates (<em>x</em>, <em>y</em>)on <em>pScreen</em>. This function is usually called via <a class="el" href="dmxcursor_8h.html#a4">dmxPointerSpriteFuncs</a>, except during reconfiguration when the cursor is repositioned to force an update on newley overlapping screens and on screens that no longer overlap.     </td>
 363   </tr>
 364 </table>
 365 <a class="anchor" name="a11" doxytag="dmxcursor.h::dmxOnScreen" ></a><p>
 366 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 367   <tr>
 368     <td class="mdRow">
 369       <table cellpadding="0" cellspacing="0" border="0">
 370         <tr>
 371           <td class="md" nowrap valign="top"> int dmxOnScreen </td>
 372           <td class="md" valign="top">(&nbsp;</td>
 373           <td class="md" nowrap valign="top">int&nbsp;</td>
 374           <td class="mdname" nowrap> <em>x</em>, </td>
 375         </tr>
 376         <tr>
 377           <td></td>
 378           <td></td>
 379           <td class="md" nowrap>int&nbsp;</td>
 380           <td class="mdname" nowrap> <em>y</em>, </td>
 381         </tr>
 382         <tr>
 383           <td></td>
 384           <td></td>
 385           <td class="md" nowrap><a class="el" href="struct__DMXScreenInfo.html">DMXScreenInfo</a> *&nbsp;</td>
 386           <td class="mdname" nowrap> <em>dmxScreen</em></td>
 387         </tr>
 388         <tr>
 389           <td></td>
 390           <td class="md">)&nbsp;</td>
 391           <td class="md" colspan="2"></td>
 392         </tr>
 393
 394       </table>
 395     </td>
 396   </tr>
 397 </table>
 398 <table cellspacing=5 cellpadding=0 border=0>
 399   <tr>
 400     <td>
 401       &nbsp;
 402     </td>
 403     <td>
 404
 405 <p>
 406 Returns non-zero if the global <em>x</em>, <em>y</em> coordinate is on the screen window of the <em>dmxScreen</em>.     </td>
 407   </tr>
 408 </table>
 409 <a class="anchor" name="a5" doxytag="dmxcursor.h::dmxReInitOrigins" ></a><p>
 410 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 411   <tr>
 412     <td class="mdRow">
 413       <table cellpadding="0" cellspacing="0" border="0">
 414         <tr>
 415           <td class="md" nowrap valign="top"> void dmxReInitOrigins </td>
 416           <td class="md" valign="top">(&nbsp;</td>
 417           <td class="md" nowrap valign="top">void&nbsp;</td>
 418           <td class="mdname1" valign="top" nowrap>          </td>
 419           <td class="md" valign="top">&nbsp;)&nbsp;</td>
 420           <td class="md" nowrap></td>
 421         </tr>
 422
 423       </table>
 424     </td>
 425   </tr>
 426 </table>
 427 <table cellspacing=5 cellpadding=0 border=0>
 428   <tr>
 429     <td>
 430       &nbsp;
 431     </td>
 432     <td>
 433
 434 <p>
 435 Recompute origin information in the <a class="el" href="dmxinit_8c.html#a2">dmxScreens</a> list. This is either called from <a class="el" href="dmxcursor_8c.html#a22">dmxInitOrigins()</a> or from #dmxReconfig().     </td>
 436   </tr>
 437 </table>
 438 <hr><h2>Variable Documentation</h2>
 439 <a class="anchor" name="a3" doxytag="dmxcursor.h::dmxPointerCursorFuncs" ></a><p>
 440 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 441   <tr>
 442     <td class="mdRow">
 443       <table cellpadding="0" cellspacing="0" border="0">
 444         <tr>
 445           <td class="md" nowrap valign="top"> miPointerScreenFuncRec <a class="el" href="dmxcursor_8h.html#a3">dmxPointerCursorFuncs</a>
 446       </table>
 447     </td>
 448   </tr>
 449 </table>
 450 <table cellspacing=5 cellpadding=0 border=0>
 451   <tr>
 452     <td>
 453       &nbsp;
 454     </td>
 455     <td>
 456
 457 <p>
 458 Cursor functions for mi layer. <dl compact><dt><b>See also:</b></dt><dd><a class="el" href="dmxcursor_8c.html">dmxcursor.c</a> <p>
 459 <a class="el" href="dmxscrinit_8c.html">dmxscrinit.c</a> </dd></dl>
 460     </td>
 461   </tr>
 462 </table>
 463 <a class="anchor" name="a4" doxytag="dmxcursor.h::dmxPointerSpriteFuncs" ></a><p>
 464 <table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
 465   <tr>
 466     <td class="mdRow">
 467       <table cellpadding="0" cellspacing="0" border="0">
 468         <tr>
 469           <td class="md" nowrap valign="top"> miPointerSpriteFuncRec <a class="el" href="dmxcursor_8h.html#a4">dmxPointerSpriteFuncs</a>
 470       </table>
 471     </td>
 472   </tr>
 473 </table>
 474 <table cellspacing=5 cellpadding=0 border=0>
 475   <tr>
 476     <td>
 477       &nbsp;
 478     </td>
 479     <td>
 480
 481 <p>
 482 Sprite functions for mi layer. <dl compact><dt><b>See also:</b></dt><dd><a class="el" href="dmxcursor_8c.html">dmxcursor.c</a> <p>
 483 <a class="el" href="dmxscrinit_8c.html">dmxscrinit.c</a> </dd></dl>
 484     </td>
 485   </tr>
 486 </table>
 487     <hr>
 488     <address>
 489       <small>
 490         Generated June 29, 2004 for <a
 491         href="http://dmx.sourceforge.net">Distributed Multihead X</a> by
 492         <a href="http://www.doxygen.org/index.html">doxygen</a>
 493         1.3.4.
 494       </small>
 495     </addres>
 496     </hr>
 497   </body>
 498 </html>