Add kanshi.

nix/configuration/roles/kanshi/default.nix

@@ -0,0 +1,24 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+{
+  imports = [ ];
+
+  environment.systemPackages = with pkgs; [
+    kanshi
+  ];
+
+  home-manager.users.talexander =
+    { pkgs, ... }:
+    {
+      home.file = {
+        ".config/kanshi/config" = {
+          source = ./files/config_kanshi;
+        };
+      };
+    };
+}

nix/configuration/roles/kanshi/files/config_kanshi

@@ -0,0 +1,7 @@
+profile docked {
+	output eDP-1 disable
+	output "Dell Inc. DELL U3014 P1V6N35M329L" enable
+}
+profile laptop {
+	output eDP-1 enable
+}

nix/configuration/roles/sway/default.nix

@@ -46,6 +46,7 @@ let
       include ${touchpad_input}
       include ${waybar}
       include ${announce_sway_start}
+      include ${exec_kanshi}
     '';
   };
   base-hotkeys = pkgs.writeTextFile {
@@ -261,6 +262,13 @@ let
     '';
   };
 
+  exec_kanshi = pkgs.writeTextFile {
+    name = "exec_kanshi.conf";
+    text = ''
+      exec kanshi
+    '';
+  };
+
   start_screen_share = pkgs.writeShellScriptBin "start_screen_share" ''
     # Disable displaying notifications. This is useful for video conference screen sharing.
     set -euo pipefail
@@ -283,7 +291,9 @@ let
   '';
 in
 {
-  imports = [ ];
+  imports = [
+    ../kanshi
+  ];
 
   environment.systemPackages = with pkgs; [
     alacritty
@@ -359,11 +369,11 @@ in
     };
   };
 
-  # Configure default programs (for example, default browser)
   home-manager.users.talexander =
     { pkgs, ... }:
     {
       home.file = {
+        # Configure default programs (for example, default browser)
         ".config/mimeapps.list" = {
           source = ./files/mimeapps.list;
         };