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authorPhilip Wittamore <philip@wittamore.com>2026-07-12 11:08:50 +0200
committerPhilip Wittamore <philip@wittamore.com>2026-07-12 11:08:50 +0200
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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="stylesheet" href="/style.css">
+ <title>Touchpad deactivation</title>
+ </head>
+ <body>
+ <header>
+ <h1>Bloggings</h1>
+ <a href="/index.php">Back</a>
+
+ </header>
+
+<main>
+<article>
+<h2>Touchpad deactivation</h2>
+<h3>2025-06-09</h3>
+<h4>When you have big hands and a little keyboard</h4>
+<p>Until now I was using <b>synclient TouchpadOff=1</b> in my .xinitrc, but I was getting odd
+results when using the keyboard mouse buttons. It turns out oddly the lower left area of my touchpad was infrequently active
+and messing things up.</p>
+<p>Replacing synclient with <b>xinput set-prop 11 172 0</b> fixed it.</p>
+<p>I obtained the touchpad ID with <b>xinput list</b> and the command with <b>xinput -list-props 11</b></p>
+<pre>
+ $ xinput list
+ ⎡ Virtual core pointer id=2 [master pointer (3)]
+ ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
+ ⎜ ↳ Logitech Wireless Mouse id=9 [slave pointer (2)]
+ ⎜ ↳ TPPS/2 IBM TrackPoint id=12 [slave pointer (2)]
+ ⎣ Virtual core keyboard id=3 [master keyboard (2)]
+ ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
+ ↳ Power Button id=6 [slave keyboard (3)]
+ ↳ Video Bus id=7 [slave keyboard (3)]
+ ↳ Sleep Button id=8 [slave keyboard (3)]
+ ↳ AT Translated Set 2 keyboard id=10 [slave keyboard (3)]
+ ↳ ThinkPad Extra Buttons id=13 [slave keyboard (3)]
+ ↳ Logitech Wireless Mouse id=14 [slave keyboard (3)]
+ ∼ SynPS/2 Synaptics TouchPad id=11 [floating slave]
+
+$ xinput -list-props 11
+Device 'SynPS/2 Synaptics TouchPad':
+ Device Enabled (172): 1
+ ...
+
+$ xinput set-prop 11 172 0
+ </pre>
+ </article>
+</main>
+<footer>
+
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+</body>
+</html>