From 9095b46c60fee21123d3146255ac2222de52e2e5 Mon Sep 17 00:00:00 2001
From: Martin Fischer <martin@push-f.com>
Date: Mon, 26 Oct 2026 10:10:31 +0100
Subject: feat(hamac): remap TrackPoint buttons to prev/next tab

---
 nixos/hosts/hamac/default.nix | 23 +++++++++++++++++++++++
 user/nvim/init.lua            |  3 +++
 2 files changed, 26 insertions(+)

diff --git a/nixos/hosts/hamac/default.nix b/nixos/hosts/hamac/default.nix
index b5c473e..0d2cdc3 100644
--- a/nixos/hosts/hamac/default.nix
+++ b/nixos/hosts/hamac/default.nix
@@ -30,6 +30,29 @@ in
     ServerName ev
   '';
 
+  # Remap the physical TrackPoint buttons to make them usable in keybindings.
+  services.evremap = {
+    enable = true;
+    settings = {
+      device_name = "TPPS/2 Elan TrackPoint";
+      phys = "isa0060/serio1/input0";
+      # I would use F13/F14 as the output but Firefox does not support remapping the
+      # prev/next tab shortcuts (https://bugzilla.mozilla.org/show_bug.cgi?id=2012210).
+      # So I just use the Firefox shortcuts as outputs.
+      # Left Alt gets remapped to Ctrl by XKB's ctrl(swap_lalt_lctl).
+      remap = [
+        {
+          input = ["BTN_LEFT"];
+          output = ["KEY_LEFTALT" "KEY_LEFTSHIFT" "KEY_TAB"];
+        }
+        {
+          input = ["BTN_RIGHT"];
+          output = ["KEY_LEFTALT" "KEY_TAB"];
+        }
+      ];
+    };
+  };
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave
diff --git a/user/nvim/init.lua b/user/nvim/init.lua
index 56552d1..c8aa8d7 100644
--- a/user/nvim/init.lua
+++ b/user/nvim/init.lua
@@ -156,6 +156,9 @@ require('blink.cmp').setup({
 -- Clear search highlighting with Escape.
 vim.keymap.set('n', '<Esc>', '<cmd>nohlsearch<CR>', { desc = 'Clear search highlight' })
 
+vim.keymap.set('n', '<C-S-Tab>', '<cmd>tabprevious<CR>', { desc = 'Previous tab' })
+vim.keymap.set('n', '<C-Tab>', '<cmd>tabnext<CR>', { desc = 'Next tab' })
+
 vim.keymap.set('n', '<C-p>', function()
   local tool = vim.fs.root(vim.fn.getcwd(), '.git') and 'git' or nil
   pick.builtin.files({ tool = tool })
-- 
cgit v1.3.1