From c5a5e27b08f188e6e8d1c5764c239022e6657a8e Mon Sep 17 00:00:00 2001
From: Ben Sima <ben@bsima.me>
Date: Mon, 7 Nov 2022 20:15:49 -0500
Subject: Support trackball thing

---
 machines/helium.nix | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'machines')

diff --git a/machines/helium.nix b/machines/helium.nix
index 8b6a42c..f0869bc 100644
--- a/machines/helium.nix
+++ b/machines/helium.nix
@@ -111,6 +111,11 @@ in {
     xserver.autorun = true;
     xserver.layout = "us";
     xserver.libinput.enable = true;
+    xserver.libinput.mouse.additionalOptions = ''
+      Option "ScrollMethod" "Button"
+      Option "ScrollButton" "3"
+    '';
+    xserver.libinput.mouse.buttonMapping = "1 2 8 4 5 6 7 3 9";
     xserver.xkbOptions = "caps:ctrl_modifier";
     xserver.dpi = 331;
 
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