nixos-configs/home/modules/i3+sway/default.nix

{ config, lib, ... }:

with lib;

let
  cfg = config.home.i3_sway;
  i3_cfg = config.xsession.windowManager.i3.config;

  shared_config = recursiveUpdate rec {
    modifier = "Mod4";
    terminal = "kitty";
    defaultWorkspace = "workspace number 1";

    bars = [{
      position = "bottom";
      statusCommand = "i3status";
      trayOutput = "primary";  # Enable system tray on primary output
    }];

    keybindings = {
      "${shared_config.modifier}+Return" = "exec ${terminal}";
      "${shared_config.modifier}+Shift+q" = "kill";
      "${shared_config.modifier}+d" = "exec ${i3_cfg.menu}";

      "${shared_config.modifier}+h" = "focus left";
      "${shared_config.modifier}+j" = "focus down";
      "${shared_config.modifier}+k" = "focus up";
      "${shared_config.modifier}+l" = "focus right";

      "${shared_config.modifier}+Shift+h" = "move left";
      "${shared_config.modifier}+Shift+j" = "move down";
      "${shared_config.modifier}+Shift+k" = "move up";
      "${shared_config.modifier}+Shift+l" = "move right";

      "${shared_config.modifier}+Left" = "focus left";
      "${shared_config.modifier}+Down" = "focus down";
      "${shared_config.modifier}+Up" = "focus up";
      "${shared_config.modifier}+Right" = "focus right";

      "${shared_config.modifier}+Shift+Left" = "move left";
      "${shared_config.modifier}+Shift+Down" = "move down";
      "${shared_config.modifier}+Shift+Up" = "move up";
      "${shared_config.modifier}+Shift+Right" = "move right";

      #"${shared_config.modifier}+h" = "split h";
      "${shared_config.modifier}+v" = "split v";
      "${shared_config.modifier}+f" = "fullscreen toggle";

      "${shared_config.modifier}+s" = "layout stacking";
      "${shared_config.modifier}+w" = "layout tabbed";
      "${shared_config.modifier}+e" = "layout toggle split";

      "${shared_config.modifier}+Shift+space" = "floating toggle";
      "${shared_config.modifier}+space" = "focus mode_toggle";

      "${shared_config.modifier}+a" = "focus parent";

      "${shared_config.modifier}+Shift+minus" = "move scratchpad";
      "${shared_config.modifier}+minus" = "scratchpad show";

      "${shared_config.modifier}+1" = "workspace number 1";
      "${shared_config.modifier}+2" = "workspace number 2";
      "${shared_config.modifier}+3" = "workspace number 3";
      "${shared_config.modifier}+4" = "workspace number 4";
      "${shared_config.modifier}+5" = "workspace number 5";
      "${shared_config.modifier}+6" = "workspace number 6";
      "${shared_config.modifier}+7" = "workspace number 7";
      "${shared_config.modifier}+8" = "workspace number 8";
      "${shared_config.modifier}+9" = "workspace number 9";
      "${shared_config.modifier}+0" = "workspace number 10";

      "${shared_config.modifier}+Shift+1" =
        "move container to workspace number 1";
      "${shared_config.modifier}+Shift+2" =
        "move container to workspace number 2";
      "${shared_config.modifier}+Shift+3" =
        "move container to workspace number 3";
      "${shared_config.modifier}+Shift+4" =
        "move container to workspace number 4";
      "${shared_config.modifier}+Shift+5" =
        "move container to workspace number 5";
      "${shared_config.modifier}+Shift+6" =
        "move container to workspace number 6";
      "${shared_config.modifier}+Shift+7" =
        "move container to workspace number 7";
      "${shared_config.modifier}+Shift+8" =
        "move container to workspace number 8";
      "${shared_config.modifier}+Shift+9" =
        "move container to workspace number 9";
      "${shared_config.modifier}+Shift+0" =
        "move container to workspace number 10";

      "${shared_config.modifier}+Shift+c" = "reload";
      "${shared_config.modifier}+Shift+r" = "restart";

      "${shared_config.modifier}+r" = "mode resize";

      "XF86MonBrightnessUp" = "exec brightnessctl s +5%";
      "XF86MonBrightnessDown" = "exec brightnessctl s 5%-";
    };
  } cfg.extraSharedConfig;
in {
  options.home.i3_sway = {
    extraSharedConfig = mkOption {
      default = {};
    };
    extraI3Config = mkOption {
      default = {};
    };
    extraSwayConfig = mkOption {
      default = {};
    };
  };

  config = {
    xsession.windowManager.i3 = let
      base_i3_config = recursiveUpdate shared_config {
        keybindings = {
          "${shared_config.modifier}+Shift+e" =
            "exec i3-nagbar -t warning -m 'Do you want to exit i3?' -b 'Yes' 'i3-msg exit'";
        };
        startup = [
          # GNOME polkit authentication agent
          {
            command = "/run/current-system/sw/libexec/polkit-gnome-authentication-agent-1";
            always = false;
            notification = false;
          }
          # Picom compositor for smooth rendering and no tearing (important for Nvidia)
          {
            command = "picom -b";
            always = false;
            notification = false;
          }
          # NetworkManager system tray applet
          {
            command = "nm-applet";
            always = false;
            notification = false;
          }
        ];
      };
    in {
      enable = true;
      config = recursiveUpdate base_i3_config cfg.extraI3Config;
    };

    wayland.windowManager.sway = let
      base_sway_config = recursiveUpdate shared_config {
        keybindings = {
          "${shared_config.modifier}+Shift+e" =
            "exec swaynag -t warning -m 'You pressed the exit shortcut. Do you really want to exit sway? This will end your Wayland session.' -b 'Yes, exit sway' 'swaymsg exit'";
        };
        input = {
          "type:keyboard" = {
            xkb_options = "caps:escape";
          };
          "type:touchpad" = {
            tap = "enabled";
            tap_button_map = "lrm";
            drag = "enabled";
            natural_scroll = "disabled";
            dwt = "enabled";
          };
        };
      };
    in {
      enable = true;
      config = recursiveUpdate base_sway_config cfg.extraSwayConfig;
    };
  };
}