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-rw-r--r--nixos/modules/services/ttys/gpm.nix57
1 files changed, 57 insertions, 0 deletions
diff --git a/nixos/modules/services/ttys/gpm.nix b/nixos/modules/services/ttys/gpm.nix
new file mode 100644
index 00000000000..308a6d3643a
--- /dev/null
+++ b/nixos/modules/services/ttys/gpm.nix
@@ -0,0 +1,57 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.gpm;
+
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    services.gpm = {
+
+      enable = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Whether to enable GPM, the General Purpose Mouse daemon,
+          which enables mouse support in virtual consoles.
+        '';
+      };
+
+      protocol = mkOption {
+        type = types.str;
+        default = "ps/2";
+        description = "Mouse protocol to use.";
+      };
+
+    };
+
+  };
+
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    systemd.services.gpm =
+      { description = "Console Mouse Daemon";
+
+        wantedBy = [ "multi-user.target" ];
+        requires = [ "dev-input-mice.device" ];
+        after = [ "dev-input-mice.device" ];
+
+        serviceConfig.ExecStart = "@${pkgs.gpm}/sbin/gpm gpm -m /dev/input/mice -t ${cfg.protocol}";
+        serviceConfig.Type = "forking";
+        serviceConfig.PIDFile = "/run/gpm.pid";
+      };
+
+  };
+
+}