modularize gui

home/modules/gui/default.nix

@@ -0,0 +1,116 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib; let
+  cfg = config.local.gui;
+  monitorType = {setName}: (
+    types.submodule ({name ? null, ...}: {
+      options = {
+        monitorId = mkOption {
+          type = types.str;
+          example = "DP-1";
+          readOnly = true;
+          internal = true;
+        };
+        primary = mkOption {
+          type = types.bool;
+          default = false;
+          description = "is primary monitor";
+          example = "true";
+        };
+        position = mkOption {
+          type = types.str;
+          example = "0x0";
+        };
+        mode = mkOption {
+          type = types.str;
+          description = "resolution";
+          default = "1920x1080";
+          example = "1920x1080";
+        };
+        rate = mkOption {
+          type = types.str;
+          description = "refresh rate";
+          example = "143.85";
+        };
+        rotate = mkOption {
+          type = types.str;
+          default = "normal";
+          example = "left";
+        };
+        fingerprint = mkOption {
+          type = types.str;
+          example = "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";
+        };
+        initialI3Workspace = mkOption {
+          type = types.nullOr types.int;
+          default = null;
+          example = 1;
+        };
+      };
+      config = optionalAttrs setName {
+        # make this better later
+        monitorId = name;
+      };
+    })
+  );
+in {
+  options.local.gui = {
+    enable = mkEnableOption "GUI settings";
+    primaryMonitor = mkOption {
+      type = monitorType {setName = false;};
+      readOnly = true;
+      internal = true;
+    };
+    monitors = mkOption {
+      type = types.attrsOf (monitorType {setName = true;});
+    };
+    displayBatteryLevel = mkOption {
+      type = types.bool;
+      default = false;
+      description = "show battery level on polybar";
+      example = "true";
+    };
+  };
+
+  imports = [
+    ./autorandr.nix
+    ./fonts.nix
+    ./i3.nix
+    ./polybar.nix
+    ./startx.nix # move to ly once 24.11 comes out :(
+    ./picom.nix
+  ];
+
+  config = let
+    primaryMonitors =
+      filter (monitor: monitor.primary)
+      (attrValues cfg.monitors);
+  in
+    mkIf cfg.enable {
+      assertions = [
+        {
+          assertion = length primaryMonitors == 1;
+          message = "Exactly one (1) primary monitor is requiered.";
+        }
+      ];
+
+      local.gui.primaryMonitor = head primaryMonitors;
+
+      xsession = {
+        enable = true;
+        windowManager.i3.enable = true;
+      };
+
+      programs.autorandr.enable = true;
+      services = {
+        dunst.enable = true;
+        betterlockscreen.enable = true;
+        polybar.enable = true;
+        picom.enable = true;
+      };
+    };
+}