2004-08-01 16:00:18 +00:00
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
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<html>
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<head>
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<link rel="stylesheet" type="text/css" href="synergy.css" media="screen" />
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<title>Synergy Configuration Guide</title>
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</head>
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<body class="main">
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<h3>Synergy Configuration File Format</h3>
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<p>
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The synergy server requires configuration. It will try certain
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pathnames to load the configuration file if you don't specify a
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path using the <span class="code">--config</span> command line
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option. <span class="code">synergys --help</span> reports those
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pathnames.
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</p>
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<p>
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The configuration file is a plain text file. Use any text editor
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to create the configuration file. The file is broken into sections
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and each section has the form:
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<pre>
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section: <span class="arg">name</span>
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<span class="arg">args</span>
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end
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</pre>
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Comments are introduced by <span class="code">#</span> and continue to
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the end of the line. <span class="arg">name</span> must be one of the
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following:
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<ul class="code">
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<li>screens
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<li>aliases
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<li>links
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<li>options
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</ul>
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See below for further explanation of each section type. The
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configuration file is case-sensitive so <span class="code">Section</span>,
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<span class="code">SECTION</span>, and <span class="code">section</span>
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are all different and only the last is valid. Screen names are the
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exception; screen names are case-insensitive.
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</p>
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<p>
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The file is parsed top to bottom and names cannot be used before
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they've been defined in the <span class="code">screens</span> or
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<span class="code">aliases</span> sections. So the
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<span class="code">links</span> and <span class="code">aliases</span>
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must appear after the <span class="code">screens</span> and links
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cannot refer to aliases unless the <span class="code">aliases</span>
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appear before the <span class="code">links</span>.
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</p>
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<h4>screens</h4>
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<p>
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<span class="arg">args</span> is a list of screen names, one name per
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line, each followed by a colon. Names are arbitrary strings but they
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must be unique. The hostname of each computer is recommended. (This
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is the computer's network name on win32 and the name reported by the
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program <span class="code">hostname</span> on Unix and OS X. Note
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that OS X may append <span class="code">.local</span> to the name you
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gave your computer; e.g. <span class="code">somehost.local</span>.)
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There must be a screen name for the server and each client. Each
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screen can specify a number of options. Options have the form
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<span class="code"><span class="arg">name</span> =
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<span class="arg">value</span></span> and are listed one per line
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after the screen name.
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</p>
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<p>
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Example:
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<pre>
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section: screens
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moe:
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larry:
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halfDuplexCapsLock = true
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halfDuplexNumLock = true
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curly:
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meta = alt
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end
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</pre>
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This declares three screens named <span class="code">moe</span>,
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<span class="code">larry</span>, and <span class="code">curly</span>.
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Screen <span class="code">larry</span> has half-duplex Caps Lock and
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Num Lock keys (see below) and screen <span class="code">curly</span>
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converts the meta modifier key to the alt modifier key.
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</p>
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<p>
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A screen can have the following options:
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<ul>
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<li><span class="code">halfDuplexCapsLock = {true|false}</span>
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<p>
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This computer has a Caps Lock key that doesn't report a
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press and a release event when the user presses it but
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instead reports a press event when it's turned on and a
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release event when it's turned off. If Caps Lock acts
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strangely on all screens then you may need to set this
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option to <span class="code">true</span>
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on the server screen. If it acts strangely on one
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screen then that screen may need the option set to
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<span class="code">true</span>.
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</p>
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<li><span class="code">halfDuplexNumLock = {true|false}</span>
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<p>
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This is identical to <span class="code">halfDuplexCapsLock</span>
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except it applies to the Num Lock key.
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</p>
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2004-09-28 22:19:11 +00:00
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<li><span class="code">halfDuplexScrollLock = {true|false}</span>
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<p>
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This is identical to <span class="code">halfDuplexCapsLock</span>
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except it applies to the Scroll Lock key. Note that synergy uses
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Scroll Lock to keep the cursor on the current screen. That is,
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when Scroll Lock is toggled on, the cursor is locked to the screen
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that it's currently on. Use it to prevent accidental switching.
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</p>
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2004-08-01 16:00:18 +00:00
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<li><span class="code">xtestIsXineramaUnaware = {true|false}</span>
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<p>
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This option works around a bug in the XTest extension
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when used in combination with Xinerama. It affects
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X11 clients only. Not all versions of the XTest
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extension are aware of the Xinerama extension. As a
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result, they do not move the mouse correctly when
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using multiple Xinerama screens. This option is
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currently <span class="code">true</span> by default. If
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you know your XTest extension is Xinerama aware then set
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this option to <span class="code">false</span>.
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</p>
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<li><span class="code">shift = {shift|ctrl|alt|meta|super|none}<br>
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ctrl = {shift|ctrl|alt|meta|super|none}<br>
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alt = {shift|ctrl|alt|meta|super|none}<br>
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meta = {shift|ctrl|alt|meta|super|none}<br>
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super = {shift|ctrl|alt|meta|super|none}</span>
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<p>
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Map a modifier key pressed on the server's keyboard to
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a different modifier on this client. This option only
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has an effect on a client screen; it's accepted and
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ignored on the server screen.
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</p>
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<p>
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You can map, say, the shift key to shift (the default),
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ctrl, alt, meta, super or nothing. Normally, you
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wouldn't remap shift or ctrl. You might, however, have
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an X11 server with meta bound to the Alt keys. To use
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this server effectively with a windows client, which
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doesn't use meta but uses alt extensively, you'll want
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the windows client to map meta to alt (using
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<span class="code">meta = alt</span>).
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</p>
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</ul>
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</p>
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<h4>aliases</h4>
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<p>
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<span class="arg">args</span> is a list of screen names just like
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in the <span class="code">screens</span> section except each screen
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is followed by a list of aliases, one per line, <b>not</b> followed
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by a colon. An alias is a screen name and must be unique. During
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screen name lookup each alias is equivalent to the screen name it
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aliases. So a client can connect using its canonical screen name
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or any of its aliases.
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</p>
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<p>
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Example:
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<pre>
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section: aliases
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larry:
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larry.stooges.com
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curly:
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shemp
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end
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</pre>
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Screen <span class="code">larry</span> is also known as
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<span class="code">larry.stooges.com</span> and can connect as
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either name. Screen <span class="code">curly</span> is also
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known as <span class="code">shemp</span> (hey, it's just an example).
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</p>
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<h4>links</h4>
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<p>
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<span class="arg">args</span> is a list of screen names just like
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in the <span class="code">screens</span> section except each screen
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is followed by a list of links, one per line. Each link has the
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form <span class="code">{left|right|up|down}</span> =
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<span class="code">name</span>. A link indicates which screen is
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adjacent in the given direction.
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</p>
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<p>
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Example:
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<pre>
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section: links
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moe:
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right = larry
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up = curly
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larry:
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left = moe
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up = curly
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curly:
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down = larry
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end
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</pre>
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This indicates that screen <span class="code">larry</span> is to
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the right of screen <span class="code">moe</span> (so moving the
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cursor off the right edge of <span class="code">moe</span> would
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make it appear at the left edge of <span class="code">larry</span>),
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<span class="code">curly</span> is above <span class="code">moe</span>,
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<span class="code">moe</span> is to the left of
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<span class="code">larry</span>, <span class="code">curly</span> is
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above <span class="code">larry</span>, and
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<span class="code">larry</span> is below
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<span class="code">curly</span>. Note that links do not have to be
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symmetrical; moving up from <span class="code">moe</span> then down
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from <span class="code">curly</span> lands the cursor on
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<span class="code">larry</span>.
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</p>
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<h4>options</h4>
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<p>
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<span class="arg">args</span> is a list of lines of the form
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<span class="code">name = value</span>. These set the global
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options.
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</p>
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<p>
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Example:
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<pre>
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section: options
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heatbeat = 5000
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switchDelay = 500
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end
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</pre>
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</p>
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<p>
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You can use the following options:
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<ul>
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<li><span class="code">heartbeat = N</span>
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<p>
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The server will expect each client to send a message no
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less than every <span class="code">N</span> milliseconds.
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If no message arrives from a client within
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<span class="code">3N</span> seconds the server forces that
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client to disconnect.
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</p>
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<p>
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If synergy fails to detect clients disconnecting while
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the server is sleeping or vice versa, try using this
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option.
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</p>
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<li><span class="code">switchDelay = N</span>
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<p>
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Synergy won't switch screens when the mouse reaches the
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edge of a screen unless it stays on the edge for
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<span class="code">N</span>
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milliseconds. This helps prevent unintentional
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switching when working near the edge of a screen.
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</p>
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<li><span class="code">switchDoubleTap = N</span>
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<p>
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Synergy won't switch screens when the mouse reaches the
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edge of a screen unless it's moved away from the edge
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and then back to the edge within <span class="code">N</span>
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milliseconds. With
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the option you have to quickly tap the edge twice to
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switch. This helps prevent unintentional switching
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when working near the edge of a screen.
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</p>
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<li><span class="code">screenSaverSync = {true|false}</span>
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<p>
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If set to <span class="code">false</span> then synergy
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won't synchronize screen savers. Client screen savers
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will start according to their individual configurations.
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The server screen saver won't start if there is input,
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even if that input is directed toward a client screen.
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</p>
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<li><span class="code">relativeMouseMoves = {true|false}</span>
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<p>
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If set to <span class="code">true</span> then secondary
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screens move the mouse using relative rather than
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absolute mouse moves when and only when Scroll Lock is
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toggled on (i.e. the cursor is locked to the screen).
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This is intended to make synergy work better with certain
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games. If set to <span class="code">false</span> or not
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set then all mouse moves are absolute.
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</p>
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</ul>
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You can use both the <span class="code">switchDelay</span> and
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<span class="code">switchDoubleTap</span> options at the same
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time. Synergy will switch when either requirement is satisfied.
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</p>
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</body>
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</html>
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