nixos-config/modules/home-manager/hyprland/default.nix

# Hyprland is a dynamic tiling Wayland compositor that is highly customizable and performant.
{
  pkgs,
  config,
  lib,
  ...
}:
let
  border-size = config.theme.border-size;
  gaps-in = config.theme.gaps-in;
  gaps-out = config.theme.gaps-out;
  active-opacity = config.theme.active-opacity;
  inactive-opacity = config.theme.inactive-opacity;
  rounding = config.theme.rounding;
  blur = config.theme.blur;
  keyboardLayout = config.var.keyboardLayout;
  background = "rgb(" + config.lib.stylix.colors.base00 + ")";
in
{
  imports = [
    ./animations.nix
    ./bindings.nix
    ./polkitagent.nix
  ];

  home.packages = with pkgs; [
    qt5.qtwayland
    qt6.qtwayland
    libsForQt5.qt5ct
    qt6Packages.qt6ct
    hyprshot
    hyprpicker
    swappy
    imv
    wf-recorder
    wlr-randr
    wl-clipboard
    brightnessctl
    gnome-themes-extra
    libva
    dconf
    wayland-utils
    wayland-protocols
    glib
    direnv
    meson
  ];

  wayland.windowManager.hyprland = {
    enable = true;
    xwayland.enable = true;
    systemd = {
      enable = false;
      variables = [
        "--all"
      ]; # https://wiki.hyprland.org/Nix/Hyprland-on-Home-Manager/#programs-dont-work-in-systemd-services-but-do-on-the-terminal
    };
    package = null;
    portalPackage = null;

    settings = {
      "$mod" = "SUPER";
      "$shiftMod" = "SUPER_SHIFT";
      "$altMod" = "SUPER_ALT";

      exec-once = [
        "systemctl --user enable --now hyprpaper.service &"
      ];

      monitor = config.var.hyprland.monitor;

      env = [
        "XDG_CURRENT_DESKTOP,Hyprland"
        "MOZ_ENABLE_WAYLAND,1"
        "ANKI_WAYLAND,1"
        "DISABLE_QT5_COMPAT,0"
        "NIXOS_OZONE_WL,1"
        "XDG_SESSION_TYPE,wayland"
        "XDG_SESSION_DESKTOP,Hyprland"
        "QT_AUTO_SCREEN_SCALE_FACTOR,1"
        "QT_QPA_PLATFORM=wayland,xcb"
        "QT_WAYLAND_DISABLE_WINDOWDECORATION,1"
        "ELECTRON_OZONE_PLATFORM_HINT,auto"
        "__GL_GSYNC_ALLOWED,0"
        "__GL_VRR_ALLOWED,0"
        "DISABLE_QT5_COMPAT,0"
        "DIRENV_LOG_FORMAT,"
        "WLR_DRM_NO_ATOMIC,1"
        "WLR_BACKEND,vulkan"
        "WLR_RENDERER,vulkan"
        "WLR_NO_HARDWARE_CURSORS,1"
        "SDL_VIDEODRIVER,wayland"
        "CLUTTER_BACKEND,wayland"
      ];

      workspace = config.var.hyprland.workspace ++ [
        "special:scratchpad, on-created-empty:[float; size monitor_w/1.5 monitor_h/1.5; center] $TERMINAL"
      ];

      cursor = {
        no_hardware_cursors = true;
        default_monitor = "0";
      };

      general = {
        resize_on_border = true;
        gaps_in = gaps-in;
        gaps_out = gaps-out;
        border_size = border-size;
        layout = "master";
        "col.inactive_border" = lib.mkForce background;
      };

      decoration = {
        dim_special = 0.3;
        active_opacity = active-opacity;
        inactive_opacity = inactive-opacity;
        rounding = rounding;
        shadow = {
          enabled = true;
          range = 20;
          render_power = 3;
        };
        blur = {
          enabled = if blur then "true" else "false";
          size = 18;
        };
      };

      master = {
        new_status = true;
        allow_small_split = true;
        mfact = 0.65;
      };

      misc = {
        vfr = true;
        disable_hyprland_logo = true;
        disable_splash_rendering = true;
        disable_autoreload = false;
        focus_on_activate = true;
        on_focus_under_fullscreen = 2;
      };

      windowrule = [
        "match:title hyprpanel-settings, float on"
        "match:class xdg-desktop-portal-gtk, float on, center on, size (monitor_w * 0.5) (monitor_h * 0.5)"
        # Match on bitwarden chrome extension id
        "match:class .*nngceckbapebfimnlniiiahkandclblb.*, float on, center on, size (monitor_w * 0.5) (monitor_h * 0.5)"
        "match:class imv, float on, center on, max_size (monitor_w * 0.8) (monitor_h * 0.8)"
      ];

      layerrule = [
        "match:namespace vicinae, no_anim on, blur on, ignore_alpha 0"
      ];

      input = {
        kb_layout = keyboardLayout;

        kb_options = "caps:escape";
        follow_mouse = 1;
        sensitivity = 0.5;
        repeat_delay = 300;
        repeat_rate = 50;
        numlock_by_default = true;

        touchpad = {
          natural_scroll = true;
          clickfinger_behavior = true;
        };
      };
    };
  };
}