From a383fe819e272e45ea172c8d56085e7436c690f1 Mon Sep 17 00:00:00 2001
From: Dan Buch <dan@meatballhat.com>
Date: Tue, 21 Aug 2018 23:18:25 -0400
Subject: [PATCH] Add some fun for the ol trackman marble

---
 udev/handle-trackman-marble           | 14 ++++++++++++++
 udev/rules.d/90-trackman-marble.rules |  1 +
 2 files changed, 15 insertions(+)
 create mode 100755 udev/handle-trackman-marble
 create mode 100644 udev/rules.d/90-trackman-marble.rules

diff --git a/udev/handle-trackman-marble b/udev/handle-trackman-marble
new file mode 100755
index 0000000..d0a0ce1
--- /dev/null
+++ b/udev/handle-trackman-marble
@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+set -o errexit
+
+main() {
+  : "${DEVICE_ID:=Logitech USB Trackball}"
+
+  # libinput Natural Scrolling Enabled (282)
+  xinput set-prop "${DEVICE_ID}" 282 1
+
+  # libinput Scroll Method Enabled (285)
+  xinput set-prop "${DEVICE_ID}" 285 0 0 1
+}
+
+main "${@}"
diff --git a/udev/rules.d/90-trackman-marble.rules b/udev/rules.d/90-trackman-marble.rules
new file mode 100644
index 0000000..fc4a9a6
--- /dev/null
+++ b/udev/rules.d/90-trackman-marble.rules
@@ -0,0 +1 @@
+ACTION=="add|change", SUBSYSTEM=="usb", ENV{ID_VENDOR}=="Logitech", ENV{ID_SERIAL}=="Logitech_USB_Trackball", RUN+="/home/me/.udev/handle-trackman-marble"