4 files changed, 62 insertions, 0 deletions
diff --git a/home/apps/default.nix b/home/apps/default.nix
index 1823b0d..baf9d82 100644
--- a/home/apps/default.nix
+++ b/home/apps/default.nix
@@ -7,6 +7,7 @@ _: {
     ./alacritty.nix
     ./astal.nix
     ./hyprlock.nix
+    ./kanshi.nix
     ./kitty.nix
     ./mako.nix
   ];
diff --git a/home/apps/kanshi.nix b/home/apps/kanshi.nix
new file mode 100644
index 0000000..ed7622a
--- /dev/null
+++ b/home/apps/kanshi.nix
@@ -0,0 +1,53 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf;
+  cfg = config.apps.kanshi;
+
+  laptopMonitors = lib.lists.filter (mon: mon.laptop) config.monitors;
+  dockedMonitors = lib.lists.filter (mon: !mon.laptop) config.monitors;
+
+  mkOutput = mon: status:
+    lib.mkMerge [
+      {
+        criteria =
+          if mon.desc == ""
+          then mon.port
+          else mon.desc;
+        scale = mon.scale;
+        inherit status;
+      }
+      (lib.mkIf (mon.position.x != 0 || mon.position.y != 0) {
+        position = "${toString mon.position.x},${toString mon.position.y}";
+      })
+      (lib.mkIf (mon.size.x != 0 && mon.size.y != 0) {
+        mode = "${toString mon.size.x}x${toString mon.size.y}";
+      })
+    ];
+
+  mkEnabledOutput = mon: (mkOutput mon "enable");
+  mkDisabledOutput = mon: (mkOutput mon "disable");
+in {
+  config = mkIf cfg.enable {
+    services.kanshi = {
+      enable = true;
+
+      settings = [
+        {
+          profile = {
+            name = "laptop";
+            outputs = map mkEnabledOutput laptopMonitors;
+          };
+        }
+        {
+          profile = {
+            name = "docked";
+            outputs = (map mkEnabledOutput dockedMonitors) ++ (map mkDisabledOutput laptopMonitors);
+          };
+        }
+      ];
+    };
+  };
+}
diff --git a/hosts/shinji/default.nix b/hosts/shinji/default.nix
index ec86418..d220725 100644
--- a/hosts/shinji/default.nix
+++ b/hosts/shinji/default.nix
@@ -17,6 +17,7 @@
   monitors = [
     {
       port = "eDP-1";
+      laptop = true;
       scale = 1.25;
       bitdepth = 10;
     }
@@ -70,6 +71,7 @@
     caelestia.enable = true;
     hyprlock.enable = true;
     rofi.enable = true;
+    kanshi.enable = true;
     kitty.enable = true;
   };
   browsers = {
diff --git a/options.nix b/options.nix
index c80cdfd..241f726 100644
--- a/options.nix
+++ b/options.nix
@@ -19,6 +19,11 @@ with lib; let
         default = "";
       };
 
+      laptop = mkEnableOption {
+        description = "Flags this monitor to be part of a laptop and not docked.";
+        default = false;
+      };
+
       position = {
         enabled = mkEnableOption {
           description = "Enables hardcoded position of the monitor.";
@@ -473,6 +478,7 @@ in {
     apps = {
       alacritty.enable = mkEnableOption "Enable the alacritty terminal.";
       astal.enable = mkEnableOption "Enable the astal gtk shell.";
+      kanshi.enable = mkEnableOption "Enable the kanshi service.";
       kitty.enable = mkEnableOption "Enable the kitty terminal.";
       mako.enable = mkEnableOption "Enable the mako notification daemon.";
       hyprlock.enable = mkEnableOption "Enable the hyprlock lockscreen.";