nix/hosts/common/configs/user/gui/hyprland/default.nix

{
  user ? throw "user argument is required",
  home ? throw "home argument is required",
}:
{
  config,
  lib,
  pkgs,
  ...
}:
{
  nixpkgs.overlays = [
    (final: prev: {
      hyprland = prev.hyprland.overrideAttrs (oldAttrs: {
        patches = oldAttrs.patches or [ ] ++ [
          ./auto-center.patch
          ./maxwidth-resolution-mode.patch
        ];
      });
    })
  ];

  programs.hyprland.enable = true;

  home-manager.users.${user} = {
    imports = [ ./options.nix ];

    wayland.windowManager.hyprland = {
      enable = true;

      settings = {
        "$mod" = "Super";
        "$term" = lib.meta.getExe pkgs.kitty;

        bind =
          let
            bindHelper = lib.meta.getExe (
              pkgs.writeShellApplication {
                name = "hyprland-bind-helper";
                bashOptions = [
                  "errexit"
                  "pipefail"
                ];
                runtimeInputs = with pkgs; [ hyprland ];
                text = builtins.readFile ./scripts/bind.sh;
              }
            );
          in
          [
            "$mod, Return, exec, $term"

            "$mod, 1, exec, ${bindHelper} 1"
            "$mod, 2, exec, ${bindHelper} 2"
            "$mod, 3, exec, ${bindHelper} 3"
            "$mod, 4, exec, ${bindHelper} 4"
            "$mod, 5, exec, ${bindHelper} 5"
            "$mod, 6, exec, ${bindHelper} 6"
            "$mod, 7, exec, ${bindHelper} 7"
            "$mod, 8, exec, ${bindHelper} 8"
            "$mod, 9, exec, ${bindHelper} 9"
            "$mod, 0, exec, ${bindHelper} 10"

            "$mod_Ctrl, 1, exec, ${bindHelper} -m 1"
            "$mod_Ctrl, 2, exec, ${bindHelper} -m 2"
            "$mod_Ctrl, 3, exec, ${bindHelper} -m 3"
            "$mod_Ctrl, 4, exec, ${bindHelper} -m 4"
            "$mod_Ctrl, 5, exec, ${bindHelper} -m 5"
            "$mod_Ctrl, 6, exec, ${bindHelper} -m 6"
            "$mod_Ctrl, 7, exec, ${bindHelper} -m 7"
            "$mod_Ctrl, 8, exec, ${bindHelper} -m 8"
            "$mod_Ctrl, 9, exec, ${bindHelper} -m 9"
            "$mod_Ctrl, 0, exec, ${bindHelper} -m 10"

            "$mod, x, togglespecialworkspace"
            "$mod_Ctrl, x, movetoworkspace, special"

            "$mod, h, movefocus, l"
            "$mod, j, movefocus, d"
            "$mod, k, movefocus, u"
            "$mod, l, movefocus, r"

            "$mod_Shift, h, movewindow, l"
            "$mod_Shift, j, movewindow, d"
            "$mod_Shift, k, movewindow, u"
            "$mod_Shift, l, movewindow, r"

            "$mod, Tab, cyclenext"
            "$mod, Tab, bringactivetotop"
            "$mod_Shift, Tab, cyclenext, prev"
            "$mod_Shift, Tab, bringactivetotop"

            "$mod, f, fullscreen, 0"
            "$mod, m, fullscreen, 1"
            "$mod, p, pin"
            "$mod, Space, togglefloating"
            "$mod, Space, centerwindow"
            "$mod, q, killactive"

            "Ctrl_Alt, Delete, exit"
          ];

        binde = [
          "$mod_Ctrl, h, resizeactive, -20 0"
          "$mod_Ctrl, j, resizeactive, 0 20"
          "$mod_Ctrl, k, resizeactive, 0 -20"
          "$mod_Ctrl, l, resizeactive, 20 0"
        ];

        bindm = [
          "$mod, mouse:272, movewindow"
          "$mod, mouse:273, resizewindow"
        ];

        input = {
          accel_profile = "flat";
          kb_layout = "us,gr";
          kb_options = "grp:alt_shift_toggle";
        };

        general.layout = "master";

        master = {
          orientation = "center";
          slave_count_for_center_master = 0;
          mfact = 0.5;
        };

        gestures = {
          workspace_swipe = true;
          workspace_swipe_min_fingers = true;
          workspace_swipe_forever = true;
          workspace_swipe_cancel_ratio = 0.2;
        };

        decoration.blur = {
          passes = 2;
          popups = true;
        };

        input.touchpad.natural_scroll = true;

        xwayland.force_zero_scaling = true;

        misc = {
          disable_hyprland_logo = true;
          disable_splash_rendering = true;
          new_window_takes_over_fullscreen = 2;
        };

        ecosystem = {
          no_update_news = true;
          no_donation_nag = true;
        };
      };

      extraConfig = "source = ./theme.conf";
    };

    programs.zsh.loginExtra = lib.mkAfter ''
      if [ -z "$WAYLAND_DISPLAY" ] && [ -n "$XDG_VTNR" ] && [ "$XDG_VTNR" -eq 1 ]; then
        Hyprland 2> >(systemd-cat -p err -t hyprland) 1> >(systemd-cat -p info -t hyprland)
      fi
    '';

    theme = {
      template.".config/hypr/theme.conf".source = ./theme.conf;

      reloadExtraConfig = "${
        lib.meta.getExe (
          pkgs.writeShellApplication {
            name = "reload-hyprland";
            runtimeInputs = with pkgs; [ hyprland ];
            text = "exec hyprctl reload";
          }
        )
      } &";
    };

    home.sessionVariables.NIXOS_OZONE_WL = "1";
  };
}