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<h1>dmxextension.h File Reference</h1>
<p>
<a href="dmxextension_8h-source.html">Go to the source code of this file.</a><table border=0 cellpadding=0 cellspacing=0>
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<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="structDMXDesktopAttributesRec.html">DMXDesktopAttributesRec</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="structDMXInputAttributesRec.html">DMXInputAttributesRec</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="structDMXScreenAttributesRec.html">DMXScreenAttributesRec</a></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>struct </td><td class="memItemRight" valign=bottom><a class="el" href="structDMXWindowAttributesRec.html">DMXWindowAttributesRec</a></td></tr>
<tr><td colspan=2><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>unsigned long </td><td class="memItemRight" valign=bottom><a class="el" href="dmxextension_8h.html#a4">dmxGetNumScreens</a> (void)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxextension_8h.html#a5">dmxForceWindowCreation</a> (WindowPtr pWindow)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="dmxextension_8h.html#a6">dmxFlushPendingSyncs</a> (void)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>Bool </td><td class="memItemRight" valign=bottom><a class="el" href="dmxextension_8h.html#a7">dmxGetScreenAttributes</a> (int physical, DMXScreenAttributesPtr attr)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>Bool </td><td class="memItemRight" valign=bottom><a class="el" href="dmxextension_8h.html#a8">dmxGetWindowAttributes</a> (WindowPtr pWindow, DMXWindowAttributesPtr attr)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="dmxextension_8h.html#a10">dmxGetInputCount</a> (void)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="dmxextension_8h.html#a11">dmxGetInputAttributes</a> (int deviceId, DMXInputAttributesPtr attr)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="dmxextension_8h.html#a12">dmxAddInput</a> (DMXInputAttributesPtr attr, int *deviceId)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="dmxextension_8h.html#a13">dmxRemoveInput</a> (int deviceId)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="dmxextension_8h.html#a17">dmxAttachScreen</a> (int idx, DMXScreenAttributesPtr attr)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>int </td><td class="memItemRight" valign=bottom><a class="el" href="dmxextension_8h.html#a18">dmxDetachScreen</a> (int idx)</td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
Interface for DMX extension support. These routines are called by function in Xserver/Xext/dmx.c. <dl compact><dt><b>See also:</b></dt><dd><a class="el" href="dmxextension_8c.html">dmxextension.c</a></dd></dl>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="a12" doxytag="dmxextension.h::dmxAddInput" ></a><p>
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<td class="md" nowrap valign="top"> int dmxAddInput </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">DMXInputAttributesPtr </td>
<td class="mdname" nowrap> <em>attr</em>, </td>
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<td class="md" nowrap>int * </td>
<td class="mdname" nowrap> <em>id</em></td>
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<td class="md">) </td>
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Add an input with the specified attributes. If the input is added, the physical id is returned in <em>deviceId</em>. </td>
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<a class="anchor" name="a17" doxytag="dmxextension.h::dmxAttachScreen" ></a><p>
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<td class="md" nowrap valign="top"> int dmxAttachScreen </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>idx</em>, </td>
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<td></td>
<td></td>
<td class="md" nowrap>DMXScreenAttributesPtr </td>
<td class="mdname" nowrap> <em>attr</em></td>
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<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
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Reattach previously detached back-end screen. </td>
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<a class="anchor" name="a18" doxytag="dmxextension.h::dmxDetachScreen" ></a><p>
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<td class="md" nowrap valign="top"> int dmxDetachScreen </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname1" valign="top" nowrap> <em>idx</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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<p>
Detach back-end screen. </td>
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<a class="anchor" name="a6" doxytag="dmxextension.h::dmxFlushPendingSyncs" ></a><p>
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<td class="md" nowrap valign="top"> void dmxFlushPendingSyncs </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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Flush pending syncs for all screens. </td>
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<a class="anchor" name="a5" doxytag="dmxextension.h::dmxForceWindowCreation" ></a><p>
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<td class="md" nowrap valign="top"> void dmxForceWindowCreation </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">WindowPtr </td>
<td class="mdname1" valign="top" nowrap> <em>pWindow</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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Make sure that <a class="el" href="dmxwindow_8h.html#a14">dmxCreateAndRealizeWindow</a> has been called for <em>pWindow</em>. </td>
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<a class="anchor" name="a11" doxytag="dmxextension.h::dmxGetInputAttributes" ></a><p>
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<td class="md" nowrap valign="top"> int dmxGetInputAttributes </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>deviceId</em>, </td>
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<td></td>
<td></td>
<td class="md" nowrap>DMXInputAttributesPtr </td>
<td class="mdname" nowrap> <em>attr</em></td>
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<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
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<p>
Return information about the device with id = <em>deviceId</em>. This information is primarily for the <a class="el" href="programs_2Xserver_2Xext_2dmx_8c.html#a58">ProcDMXGetInputAttributes()</a> function, which does not have access to the appropriate data structure. </td>
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<a class="anchor" name="a10" doxytag="dmxextension.h::dmxGetInputCount" ></a><p>
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<td class="md" nowrap valign="top"> int dmxGetInputCount </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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<p>
Return the total number of devices, not just <a class="el" href="dmxinput_8h.html#a4">dmxNumInputs</a>. The number returned should be the same as that returned by XListInputDevices. </td>
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<a class="anchor" name="a4" doxytag="dmxextension.h::dmxGetNumScreens" ></a><p>
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<td class="md" nowrap valign="top"> unsigned long dmxGetNumScreens </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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Return the value of <a class="el" href="dmxinit_8c.html#a1">dmxNumScreens</a> -- the total number of backend screens in use (these are logical screens and may be larger than the number of backend displays). </td>
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<a class="anchor" name="a7" doxytag="dmxextension.h::dmxGetScreenAttributes" ></a><p>
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<td class="md" nowrap valign="top"> Bool dmxGetScreenAttributes </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname" nowrap> <em>physical</em>, </td>
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<td></td>
<td></td>
<td class="md" nowrap>DMXScreenAttributesPtr </td>
<td class="mdname" nowrap> <em>attr</em></td>
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<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
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This routine provides information to the DMX protocol extension about a particular screen. </td>
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<a class="anchor" name="a8" doxytag="dmxextension.h::dmxGetWindowAttributes" ></a><p>
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<td class="md" nowrap valign="top"> Bool dmxGetWindowAttributes </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">WindowPtr </td>
<td class="mdname" nowrap> <em>pWindow</em>, </td>
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<td></td>
<td></td>
<td class="md" nowrap>DMXWindowAttributesPtr </td>
<td class="mdname" nowrap> <em>attr</em></td>
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<td></td>
<td class="md">) </td>
<td class="md" colspan="2"></td>
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<p>
This routine provides information to the DMX protocol extension about a particular window. </td>
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<a class="anchor" name="a13" doxytag="dmxextension.h::dmxRemoveInput" ></a><p>
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<td class="md" nowrap valign="top"> int dmxRemoveInput </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">int </td>
<td class="mdname1" valign="top" nowrap> <em>id</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap></td>
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Remove the input with physical id <em>id</em>. </td>
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