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Rupus Reinefjord 2023-01-28 13:48:57 +01:00
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="shortcut icon" href="/favicon.ico">
<link rel="icon" type="image/png" href="/favicon.png" sizes="196x196">
<style>
* {
box-sizing: border-box;
overflow-wrap: break-word;
word-wrap: break-word; /* legacy */
word-break: break-word; /* for WebKit/Chrome */
}
main {
max-width: 36rem;
margin: 0 auto;
}
h1 {
margin-bottom: 10px;
}
code, kbd {
font-size: 0.9rem;
}
.asterism, footer {
margin: 2rem 0;
text-align: center;
}
pre {
overflow-x: auto;
background-color: #eee;
border-radius: 5px;
padding: 10px;
}
</style>
<title>Remap PrtSc to Meta/Super</title>
</head>
<body>
<main>
<p><a href="/">Index</a></p>
<article>
<header>
<h1>Remap PrtSc to Meta/Super</h1>
<small><time>2023-01-28</time></small>
</header>
<p>
On my Thinkpad T14s Gen 1, the right meta/super/windows key is replaced
by a "<kbd>PrtSc</kbd>" key. I use <a href="https://swaywm.org/">Sway</a> as my
Wayland compositor and use the meta keys a lot to navigate and manage
windows, and having only a left meta key makes some chords difficult to
use. I thus wanted to remap <kbd>PrtSc</kbd> to Meta.
</p>
<p>
I found <a href="https://github.com/rvaiya/keyd">keyd</a> which looked
promising. To use this, I need to know what key <kbd>PrtSc</kbd> maps to in the
OS. Using <code>evtest</code>:
<pre><code>Event: time 1674905628.580346, type 4 (EV_MSC), code 4 (MSC_SCAN), value b7
Event: time 1674905628.580346, type 1 (EV_KEY), code 99 (KEY_SYSRQ), value 1</code></pre>
It seems like it is interpreted as <kbd>SysRq</kbd>.
</p>
<p>
To only remap this keyboard and not any other keyboards connected to
the computer, we'll need the vendor and product id of the built-in
keyboard. That can be found in <code>/proc/bus/input/devices</code>:
<pre><code>$ cat /proc/bus/input/devices
I: Bus=0011 Vendor=0001 Product=0001 Version=ab83
N: Name="AT Translated Set 2 keyboard"
...
</pre></code>
<code>0001:0001</code>.
</p>
<p>
Next we'll configure keyd:
<pre><code>$ cat /etc/keyd/default.conf
[ids]
0001:0001
[main]
sysrq = rightmeta
</pre></code>
Restart keyd and we're done! The <kbd>PrtSc</kbd> key is interpreted as meta
instead.
</p>
</article>
</main>
<footer>&#10086;</footer>
</body>
</html>
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<h2>Blog</h2>
<ul>
<li><a href="/blog/2023-01-28_remap-prtsc.html"><small>2023-01-28: </small>Remap PrtSc to Meta/Super</a></li>
<li><a href="/blog/2022-12-05_buggy-trackpoint.html"><small>2022-12-05: </small>Workaround for broken TrackPoint</a></li>
<li><a href="/blog/2022-05-09_this-website.html"><small>2022-05-09: </small>This website</a></li>
</ul>