add i3 module

modules/desktop/default.nix

@@ -8,6 +8,7 @@
     ./xmonad
     ./qtile
     ./exwm
+    ./i3
     # desktop environ men t s s  s s
     ./kde
     ./gnome

modules/desktop/i3/default.nix

@@ -0,0 +1,109 @@
+{
+  outputs,
+  options,
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.modules.desktop.i3;
+in {
+  options.modules.desktop.i3 = {
+    enable = mkEnableOption false;
+  };
+
+  config = mkIf cfg.enable {
+    # this is needed for gtk configuration to work
+    programs.dconf.enable = true;
+
+    # keyring
+    services.gnome.gnome-keyring.enable = true;
+
+    # ????????????
+    services.libinput = {
+        enable = true;
+        # no mouse accel
+        mouse = {
+          accelProfile = "flat";
+        };
+
+        # no touchpad accel
+        touchpad = {
+          accelProfile = "flat";
+        };
+      };
+
+    services.displayManager.defaultSession = "none+i3";
+
+    services.xserver = {
+      enable = true;
+      windowManager.i3 = {
+        enable = true;
+        extraPackages = with pkgs; [
+          dmenu
+          i3status
+          i3lock
+        ];
+      };
+      displayManager = {
+        lightdm = {
+          enable = true;
+          background = ../../../config/background.png;
+          greeters.mini = {
+            enable = true;
+            user = "sako";
+            extraConfig = ''
+              [greeter]
+              show-password-label = true
+              password-label-text = magic word
+              invalid-password-text = skull issue
+            '';
+          };
+        };
+      };
+    };
+    users.users.sako.packages = with pkgs; [
+      rofi
+      # network
+      networkmanagerapplet
+      # brightness
+      brightnessctl
+      # gee tee k
+      vimix-gtk-themes
+      vimix-icon-theme
+      lxappearance
+      catppuccin-cursors.mochaDark
+      # screen shot (s)
+      flameshot
+    ];
+
+    home-manager.users.sako = {pkgs, ...}: {
+      home.pointerCursor = {
+        name = "Catppuccin-Mocha-Dark";
+        size = 16;
+        x11 = {
+          enable = true;
+        };
+        gtk.enable = true;
+        package = pkgs.catppuccin-cursors.mochaDark;
+      };
+      gtk = {
+        enable = true;
+        theme.name = "vimix-dark-ruby";
+        iconTheme.name = "Vimix Ruby Dark";
+      };
+      home.file = {
+        "background.png" = {
+          enable = true;
+          source = ../../../config/background.png;
+        };
+      };
+      # xdg.configFile = {
+      #   sxhkd = {
+      #     source = ../../../config/sxhkd;
+      #   };
+      # };
+    };
+  };
+}