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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<div class="qindex"><a class="qindex" href="main.html">Main Page</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Data Structures</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Data Fields</a> | <a class="qindex" href="globals.html">Globals</a></div>
<h1>dmxcommon.c File Reference</h1><code>#include "<a class="el" href="dmxinputinit_8h-source.html">dmxinputinit.h</a>"</code><br>
<code>#include "<a class="el" href="dmxcommon_8h-source.html">dmxcommon.h</a>"</code><br>
<code>#include "<a class="el" href="dmxconsole_8h-source.html">dmxconsole.h</a>"</code><br>
<code>#include "<a class="el" href="dmxprop_8h-source.html">dmxprop.h</a>"</code><br>
<code>#include "<a class="el" href="dmxsync_8h-source.html">dmxsync.h</a>"</code><br>
<code>#include "<a class="el" href="dmxmap_8h-source.html">dmxmap.h</a>"</code><br>
<code>#include "inputstr.h"</code><br>
<code>#include "input.h"</code><br>
<code>#include "keysym.h"</code><br>
<code>#include "mipointer.h"</code><br>
<code>#include "scrnintstr.h"</code><br>
<code>#include <unistd.h></code><br>
<table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Data Structures</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="struct__myPrivate.html">_myPrivate</a></td></tr>
<tr><td colspan=2><br><h2>Typedefs</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>typedef <a class="el" href="struct__myPrivate.html">_myPrivate</a> </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a4">myPrivate</a></td></tr>
<tr><td colspan=2><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a9">dmxCommonKbdCtrl</a> (DevicePtr pDev, KeybdCtrl *ctrl)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a10">dmxCommonMouCtrl</a> (DevicePtr pDev, PtrCtrl *ctrl)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a11">dmxCommonKbdBell</a> (DevicePtr pDev, int percent, int volume, int pitch, int duration)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a12">dmxCommonKbdGetMap</a> (DevicePtr pDev, KeySymsPtr pKeySyms, CARD8 *pModMap)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a13">dmxCommonKbdGetInfo</a> (DevicePtr pDev, <a class="el" href="struct__DMXLocalInitInfo.html">DMXLocalInitInfoPtr</a> info)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a14">dmxCommonKbdOn</a> (DevicePtr pDev)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a15">dmxCommonKbdOff</a> (DevicePtr pDev)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a16">dmxCommonOthOn</a> (DevicePtr pDev)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a17">dmxCommonOthOff</a> (DevicePtr pDev)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a18">dmxCommonOthGetInfo</a> (DevicePtr pDev, <a class="el" href="struct__DMXLocalInitInfo.html">DMXLocalInitInfoPtr</a> info)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a19">dmxCommonMouGetMap</a> (DevicePtr pDev, unsigned char *map, int *nButtons)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a23">dmxCommonMouOn</a> (DevicePtr pDev)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a24">dmxCommonMouOff</a> (DevicePtr pDev)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a25">dmxFindPointerScreen</a> (int x, int y)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>pointer </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a26">dmxCommonCopyPrivate</a> (DeviceIntPtr pDevice)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a27">dmxCommonSaveState</a> (pointer private)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxcommon_8c.html#a28">dmxCommonRestoreState</a> (pointer private)</td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
This file implements common routines used by the backend and console input devices.<hr><h2>Typedef Documentation</h2>
<a class="anchor" name="a4" doxytag="dmxcommon.c::myPrivate" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
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<td class="md" nowrap valign="top"> typedef struct <a class="el" href="struct__myPrivate.html">_myPrivate</a> <a class="el" href="struct__myPrivate.html">myPrivate</a>
</table>
</td>
</tr>
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<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Each device has a private area that is visible only from inside the driver code. </td>
</tr>
</table>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="a26" doxytag="dmxcommon.c::dmxCommonCopyPrivate" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> pointer dmxCommonCopyPrivate </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DeviceIntPtr </td>
<td class="mdname1" valign="top" nowrap> <em>pDevice</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Returns a pointer to the private area for the device that comes just prior to <em>pDevice</em> in the current <em>dmxInput</em> device list. This is used as the private area for the current device in some situations (e.g., when a keyboard and mouse form a pair that should share the same private area). If the requested private area cannot be located, then NULL is returned. </td>
</tr>
</table>
<a class="anchor" name="a11" doxytag="dmxcommon.c::dmxCommonKbdBell" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> void dmxCommonKbdBell </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname" nowrap> <em>pDev</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>percent</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>volume</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>pitch</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>duration</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Sound they keyboard bell. </td>
</tr>
</table>
<a class="anchor" name="a9" doxytag="dmxcommon.c::dmxCommonKbdCtrl" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top"> void dmxCommonKbdCtrl </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname" nowrap> <em>pDev</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>KeybdCtrl * </td>
<td class="mdname" nowrap> <em>ctrl</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Update the keyboard control. </td>
</tr>
</table>
<a class="anchor" name="a13" doxytag="dmxcommon.c::dmxCommonKbdGetInfo" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void dmxCommonKbdGetInfo </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname" nowrap> <em>pDev</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap><a class="el" href="struct__DMXLocalInitInfo.html">DMXLocalInitInfoPtr</a> </td>
<td class="mdname" nowrap> <em>info</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Fill in the XKEYBOARD parts of the <em>info</em> structure for the specified <em>pDev</em>. </td>
</tr>
</table>
<a class="anchor" name="a12" doxytag="dmxcommon.c::dmxCommonKbdGetMap" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void dmxCommonKbdGetMap </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname" nowrap> <em>pDev</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>KeySymsPtr </td>
<td class="mdname" nowrap> <em>pKeySyms</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>CARD8 * </td>
<td class="mdname" nowrap> <em>pModMap</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Get the keyboard mapping. </td>
</tr>
</table>
<a class="anchor" name="a15" doxytag="dmxcommon.c::dmxCommonKbdOff" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void dmxCommonKbdOff </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname1" valign="top" nowrap> <em>pDev</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Turn <em>pDev</em> off. </td>
</tr>
</table>
<a class="anchor" name="a14" doxytag="dmxcommon.c::dmxCommonKbdOn" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> int dmxCommonKbdOn </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname1" valign="top" nowrap> <em>pDev</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Turn <em>pDev</em> on (i.e., take input from <em>pDev</em>). </td>
</tr>
</table>
<a class="anchor" name="a10" doxytag="dmxcommon.c::dmxCommonMouCtrl" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void dmxCommonMouCtrl </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname" nowrap> <em>pDev</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>PtrCtrl * </td>
<td class="mdname" nowrap> <em>ctrl</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Update the mouse control. </td>
</tr>
</table>
<a class="anchor" name="a19" doxytag="dmxcommon.c::dmxCommonMouGetMap" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void dmxCommonMouGetMap </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname" nowrap> <em>pDev</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>unsigned char * </td>
<td class="mdname" nowrap> <em>map</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>int * </td>
<td class="mdname" nowrap> <em>nButtons</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Obtain the mouse button mapping. </td>
</tr>
</table>
<a class="anchor" name="a24" doxytag="dmxcommon.c::dmxCommonMouOff" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void dmxCommonMouOff </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname1" valign="top" nowrap> <em>pDev</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Turn <em>pDev</em> off. </td>
</tr>
</table>
<a class="anchor" name="a23" doxytag="dmxcommon.c::dmxCommonMouOn" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> int dmxCommonMouOn </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname1" valign="top" nowrap> <em>pDev</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Turn <em>pDev</em> on (i.e., take input from <em>pDev</em>). </td>
</tr>
</table>
<a class="anchor" name="a18" doxytag="dmxcommon.c::dmxCommonOthGetInfo" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void dmxCommonOthGetInfo </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname" nowrap> <em>pDev</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap><a class="el" href="struct__DMXLocalInitInfo.html">DMXLocalInitInfoPtr</a> </td>
<td class="mdname" nowrap> <em>info</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Fill the <em>info</em> structure with information needed to initialize <em>pDev</em>. </td>
</tr>
</table>
<a class="anchor" name="a17" doxytag="dmxcommon.c::dmxCommonOthOff" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void dmxCommonOthOff </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname1" valign="top" nowrap> <em>pDev</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Turn <em>pDev</em> off. </td>
</tr>
</table>
<a class="anchor" name="a16" doxytag="dmxcommon.c::dmxCommonOthOn" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> int dmxCommonOthOn </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DevicePtr </td>
<td class="mdname1" valign="top" nowrap> <em>pDev</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Turn <em>pDev</em> on (i.e., take input from <em>pDev</em>). </td>
</tr>
</table>
<a class="anchor" name="a28" doxytag="dmxcommon.c::dmxCommonRestoreState" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void dmxCommonRestoreState </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">pointer </td>
<td class="mdname1" valign="top" nowrap> <em>private</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
This routine restores all the information saved by <a class="el" href="dmxcommon_8h.html#a28">dmxCommonSaveState</a>. </td>
</tr>
</table>
<a class="anchor" name="a27" doxytag="dmxcommon.c::dmxCommonSaveState" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> void dmxCommonSaveState </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">pointer </td>
<td class="mdname1" valign="top" nowrap> <em>private</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
This routine saves and resets some important state for the backend and console device drivers:<ul>
<li>the modifier map is saved and set to 0 (so DMX controls the LEDs)</li><li>the key click, bell, led, and repeat masks are saved and set to the values that DMX claims to be using</li></ul>
<p>
This routine and <a class="el" href="dmxcommon_8h.html#a29">dmxCommonRestoreState</a> are used when the pointer enters and leaves the console window, or when the backend window is active or not active (for a full-screen window, this only happens at server startup and server shutdown). </td>
</tr>
</table>
<a class="anchor" name="a25" doxytag="dmxcommon.c::dmxFindPointerScreen" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" nowrap valign="top"> int dmxFindPointerScreen </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>x</em>, </td>
</tr>
<tr>
<td></td>
<td></td>
<td class="md" nowrap>int </td>
<td class="mdname" nowrap> <em>y</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Given the global coordinates <em>x</em> and <em>y</em>, determine the screen with the lowest number on which those coordinates lie. If they are not on any screen, return -1. The number returned is an index into #dmxScreenInfo and is between -1 and <a class="el" href="dmxinit_8c.html#a1">dmxNumScreens</a> - 1, inclusive. </td>
</tr>
</table>
<hr>
<address>
<small>
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href="http://dmx.sourceforge.net">Distributed Multihead X</a> by
<a href="http://www.doxygen.org/index.html">doxygen</a>
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</small>
</addres>
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