107 lines
2.8 KiB
HTML
107 lines
2.8 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="shortcut icon" href="/favicon.ico">
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<link rel="icon" type="image/png" href="/favicon.png" sizes="196x196">
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<style>
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* {
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box-sizing: border-box;
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overflow-wrap: break-word;
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word-wrap: break-word; /* legacy */
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word-break: break-word; /* for WebKit/Chrome */
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}
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main {
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max-width: 36rem;
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margin: 0 auto;
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}
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h1 {
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margin-bottom: 10px;
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}
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code, kbd {
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font-size: 0.9rem;
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}
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.asterism, footer {
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margin: 2rem 0;
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text-align: center;
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}
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pre {
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overflow-x: auto;
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background-color: #eee;
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border-radius: 5px;
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padding: 10px;
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}
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</style>
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<title>Remap PrtSc to Meta/Super</title>
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</head>
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<body>
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<main>
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<p><a href="/">Index</a></p>
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<article>
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<header>
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<h1>Remap PrtSc to Meta/Super</h1>
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<small><time>2023-01-28</time></small>
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</header>
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<p>
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On my Thinkpad T14s Gen 1, the right meta/super/windows key is replaced
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by a "<kbd>PrtSc</kbd>" key. I use <a href="https://swaywm.org/">Sway</a> as my
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Wayland compositor and use the meta keys a lot to navigate and manage
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windows, and having only a left meta key makes some chords difficult to
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use. I thus wanted to remap <kbd>PrtSc</kbd> to Meta.
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</p>
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<p>
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I found <a href="https://github.com/rvaiya/keyd">keyd</a> which looked
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promising. To use this, I need to know what key <kbd>PrtSc</kbd> maps to in the
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OS. Using <code>evtest</code>:
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<pre><code>Event: time 1674905628.580346, type 4 (EV_MSC), code 4 (MSC_SCAN), value b7
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Event: time 1674905628.580346, type 1 (EV_KEY), code 99 (KEY_SYSRQ), value 1</code></pre>
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It seems like it is interpreted as <kbd>SysRq</kbd>.
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</p>
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<p>
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To only remap this keyboard and not any other keyboards connected to
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the computer, we'll need the vendor and product id of the built-in
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keyboard. That can be found in <code>/proc/bus/input/devices</code>:
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<pre><code>$ cat /proc/bus/input/devices
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I: Bus=0011 Vendor=0001 Product=0001 Version=ab83
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N: Name="AT Translated Set 2 keyboard"
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...
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</code></pre>
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<code>0001:0001</code>.
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</p>
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<p>
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Next we'll configure keyd:
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<pre><code>$ cat /etc/keyd/default.conf
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[ids]
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0001:0001
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[main]
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sysrq = rightmeta
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</code></pre>
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Restart keyd and we're done! The <kbd>PrtSc</kbd> key is interpreted as meta
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instead.
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</p>
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</article>
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</main>
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<footer>❦</footer>
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</body>
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</html>
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<!-- vim: set tw=79 -->
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