set keyd overload tap timeout

helps prevent escape key from being sent if not tapped

flake.lock

@@ -383,6 +383,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-keyd": {
+      "locked": {
+        "lastModified": 1690363189,
+        "narHash": "sha256-Zs0VkngOtQz7nIEO7Wi8AwGB4TBSex2KZAw784aOm2M=",
+        "owner": "JohnAZoidberg",
+        "repo": "nixpkgs",
+        "rev": "6591d332f93422e388ef6337f6b362b4ff8d0724",
+        "type": "github"
+      },
+      "original": {
+        "owner": "JohnAZoidberg",
+        "ref": "keyd-2.4.3",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs_2": {
       "locked": {
         "lastModified": 1695825837,
@@ -511,6 +527,7 @@
         "nix2vim": "nix2vim",
         "nixos-generators": "nixos-generators",
         "nixpkgs": "nixpkgs",
+        "nixpkgs-keyd": "nixpkgs-keyd",
         "null-ls-nvim-src": "null-ls-nvim-src",
         "nur": "nur",
         "nvim-lspconfig-src": "nvim-lspconfig-src",

flake.nix

@@ -7,6 +7,10 @@
     # Used for system packages
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
 
+    # Update to keyd 2.4.3 not yet in nixpkgs-unstable
+    # https://github.com/NixOS/nixpkgs/pull/245327
+    nixpkgs-keyd.url = "github:JohnAZoidberg/nixpkgs/keyd-2.4.3";
+
     # Used for MacOS system config
     darwin = {
       url = "github:/lnl7/nix-darwin/master";
@@ -228,6 +232,7 @@
         (import ./overlays/betterlockscreen.nix)
         (import ./overlays/age.nix inputs)
         (import ./overlays/proton-ge.nix inputs)
+        (import ./overlays/keyd.nix inputs)
       ];
 
       # System types to support.

modules/nixos/hardware/keyboard.nix

@@ -18,7 +18,14 @@
       keyboards = {
         default = {
           ids = [ "*" ];
-          settings = { main = { capslock = "overload(control, esc)"; }; };
+          settings = {
+            main = { capslock = "overload(control, esc)"; };
+
+            # Fix: ctrl-click sends escape afterwards
+            # Suppresses escape if held for more than 500ms
+            # https://github.com/rvaiya/keyd/issues/424
+            global = { overload_tap_timeout = 500; };
+          };
         };
       };
     };

overlays/keyd.nix

@@ -0,0 +1,6 @@
+# Use latest PR of keyd to update to 2.4.3
+# https://github.com/NixOS/nixpkgs/pull/245327
+
+inputs: _final: prev: {
+  inherit (inputs.nixpkgs-keyd.legacyPackages.${prev.system}) keyd;
+}