nixos/home/david/modules/programs/niri/config.nix

{
  config,
  pkgs,
  lib,
  inputs,
  osConfig ? null,
  ...
}: let
  inherit (lib) getExe getExe';
  inherit
    (inputs.niri-flake.lib.kdl)
    # node with args, props and children
    # node:: \lambda name -> [argOrProp] -> [child] -> Output
    # arg: single value
    # prop: attr contains one or more key-value pair
    # children: node
    node
    # node without children
    # leaf:: \lambda name -> [argOrProp] -> Output
    leaf
    # node only name
    # flag:: \lambda name -> Output
    flag
    # node without args/props
    # plain:: \lambda name -> [child] -> Output
    plain
    ;

  swaylock = getExe config.programs.swaylock.package;
  fuzzel = getExe config.programs.fuzzel.package;
  waybar = getExe config.programs.waybar.package;
  swaync = getExe config.services.swaync.package;
  fcitx5 = lib.getExe' osConfig.i18n.inputMethod.package "fcitx5";

  polkit-kde-agent = getExe' pkgs.kdePackages.polkit-kde-agent-1 "polkit-kde-agent";
  wpctl = getExe' pkgs.wireplumber "wpctl";
  waypaper = getExe pkgs.waypaper;
  alacritty = getExe config.programs.alacritty.package;
  wl-paste = getExe' pkgs.wl-clipboard "wl-paste";
  cliphist = getExe' pkgs.cliphist "cliphist";
  cliphist-fuzzel-img = getExe' pkgs.cliphist "cliphist-fuzzel-img";
  wl-clip-persist = getExe pkgs.wl-clip-persist;
in
  (
    let
      spawn = leaf "spawn";
    in [
      (plain "binds" [
        (plain "Mod+V" [
          (spawn [cliphist-fuzzel-img])
        ])
        (plain "Mod+Shift+P" [
          (spawn [swaylock "--screenshots" "--clock" "--indicator" "--indicator-radius" "100" "--indicator-thickness" "7" "--effect-blur" "7x5" "--effect-vignette" "0.5:0.5" "--grace" "2" "--fade-in" "0.5"])
        ])
        (plain "Mod+Shift+Slash" [
          (flag "show-hotkey-overlay")
        ])
        (plain "Mod+T" [
          (spawn [
            alacritty
          ])
        ])
        (plain "Mod+Shift+T" [
          (flag "toggle-column-tabbed-display")
        ])
        (plain "Mod+Space" [
          (spawn [fuzzel])
        ])
        (node "XF86AudioRaiseVolume" [{allow-when-locked = true;}] [
          (spawn [wpctl "set-volume" "@DEFAULT_AUDIO_SINK@" "0.1+"])
        ])
        (node "XF86AudioLowerVolume" [{allow-when-locked = true;}] [
          (spawn [wpctl "set-volume" "@DEFAULT_AUDIO_SINK@" "0.1-"])
        ])
        (node "XF86AudioMute" [{allow-when-locked = true;}] [
          (spawn [wpctl "set-volume" "@DEFAULT_AUDIO_SINK@" "toggle"])
        ])
        (node "XF86AudioMicMute" [{allow-when-locked = true;}] [
          (spawn [wpctl "set-volume" "@DEFAULT_AUDIO_SOURCE@" "toggle"])
        ])
        (plain "Mod+Q" [
          (flag "close-window")
        ])
        (node "Mod+O" [{repeat = false;}] [
          (flag "toggle-overview")
        ])
        (plain "Mod+Left" [
          (flag "focus-column-left")
        ])
        (plain "Mod+Down" [
          (flag "focus-window-down")
        ])
        (plain "Mod+Up" [
          (flag "focus-window-up")
        ])
        (plain "Mod+Right" [
          (flag "focus-column-right")
        ])
        (plain "Mod+H" [
          (flag "focus-column-or-monitor-left")
        ])
        (plain "Mod+J" [
          (flag "focus-window-or-workspace-down")
        ])
        (plain "Mod+K" [
          (flag "focus-window-or-workspace-up")
        ])
        (plain "Mod+L" [
          (flag "focus-column-or-monitor-right")
        ])
        (plain "Mod+Shift+Left" [
          (flag "move-column-left")
        ])
        (plain "Mod+Shift+Down" [
          (flag "move-window-down")
        ])
        (plain "Mod+Shift+Up" [
          (flag "move-window-up")
        ])
        (plain "Mod+Shift+Right" [
          (flag "move-column-right")
        ])
        (plain "Mod+Shift+H" [
          (flag "move-column-left-or-to-monitor-left")
        ])
        (plain "Mod+Shift+J" [
          (flag "move-window-down-or-to-workspace-down")
        ])
        (plain "Mod+Shift+K" [
          (flag "move-window-up-or-to-workspace-up")
        ])
        (plain "Mod+Shift+L" [
          (flag "move-column-right-or-to-monitor-right")
        ])
        (plain "Mod+Home" [
          (flag "focus-column-first")
        ])
        (plain "Mod+End" [
          (flag "focus-column-last")
        ])
        (plain "Mod+Ctrl+Home" [
          (flag "move-column-to-first")
        ])
        (plain "Mod+Ctrl+End" [
          (flag "move-column-to-last")
        ])
        (plain "Mod+Ctrl+Left" [
          (flag "focus-monitor-left")
        ])
        (plain "Mod+Ctrl+Down" [
          (flag "focus-monitor-down")
        ])
        (plain "Mod+Ctrl+Up" [
          (flag "focus-monitor-up")
        ])
        (plain "Mod+Ctrl+Right" [
          (flag "focus-monitor-right")
        ])
        (plain "Mod+Ctrl+H" [
          (flag "focus-monitor-left")
        ])
        (plain "Mod+Ctrl+J" [
          (flag "focus-monitor-down")
        ])
        (plain "Mod+Ctrl+K" [
          (flag "focus-monitor-up")
        ])
        (plain "Mod+Ctrl+L" [
          (flag "focus-monitor-right")
        ])
        (plain "Mod+Shift+Ctrl+Left" [
          (flag "move-column-to-monitor-left")
        ])
        (plain "Mod+Shift+Ctrl+Down" [
          (flag "move-column-to-monitor-down")
        ])
        (plain "Mod+Shift+Ctrl+Up" [
          (flag "move-column-to-monitor-up")
        ])
        (plain "Mod+Shift+Ctrl+Right" [
          (flag "move-column-to-monitor-right")
        ])
        (plain "Mod+Shift+Ctrl+H" [
          (flag "move-column-to-monitor-left")
        ])
        (plain "Mod+Shift+Ctrl+J" [
          (flag "move-column-to-monitor-down")
        ])
        (plain "Mod+Shift+Ctrl+K" [
          (flag "move-column-to-monitor-up")
        ])
        (plain "Mod+Shift+Ctrl+L" [
          (flag "move-column-to-monitor-right")
        ])
        (plain "Mod+Page_Down" [
          (flag "focus-workspace-down")
        ])
        (plain "Mod+Page_Up" [
          (flag "focus-workspace-up")
        ])
        (plain "Mod+U" [
          (flag "focus-workspace-down")
        ])
        (plain "Mod+I" [
          (flag "focus-workspace-up")
        ])
        (plain "Mod+Shift+Page_Down" [
          (flag "move-column-to-workspace-down")
        ])
        (plain "Mod+Shift+Page_Up" [
          (flag "move-column-to-workspace-up")
        ])
        (plain "Mod+Shift+U" [
          (flag "move-column-to-workspace-down")
        ])
        (plain "Mod+Shift+I" [
          (flag "move-column-to-workspace-up")
        ])
        (plain "Mod+Ctrl+Page_Down" [
          (flag "move-workspace-down")
        ])
        (plain "Mod+Ctrl+Page_Up" [
          (flag "move-workspace-up")
        ])
        (plain "Mod+Ctrl+U" [
          (flag "move-workspace-down")
        ])
        (plain "Mod+Ctrl+I" [
          (flag "move-workspace-up")
        ])
        (node "Mod+Shift+WheelScrollDown" [{cooldown-ms = 150;}] [
          (flag "focus-workspace-down")
        ])
        (node "Mod+Shift+WheelScrollUp" [{cooldown-ms = 150;}] [
          (flag "focus-workspace-up")
        ])
        (plain "Mod+WheelScrollDown" [
          (flag "focus-column-right")
        ])
        (plain "Mod+WheelScrollUp" [
          (flag "focus-column-left")
        ])
        (plain "Mod+1" [
          (leaf "focus-workspace" [1])
        ])
        (plain "Mod+2" [
          (leaf "focus-workspace" [2])
        ])
        (plain "Mod+3" [
          (leaf "focus-workspace" [3])
        ])
        (plain "Mod+4" [
          (leaf "focus-workspace" [4])
        ])
        (plain "Mod+5" [
          (leaf "focus-workspace" [5])
        ])
        (plain "Mod+6" [
          (leaf "focus-workspace" [6])
        ])
        (plain "Mod+7" [
          (leaf "focus-workspace" [7])
        ])
        (plain "Mod+8" [
          (leaf "focus-workspace" [8])
        ])
        (plain "Mod+9" [
          (leaf "focus-workspace" [9])
        ])
        (plain "Mod+Shift+1" [
          (leaf "move-column-to-workspace" [1])
        ])
        (plain "Mod+Shift+2" [
          (leaf "move-column-to-workspace" [2])
        ])
        (plain "Mod+Shift+3" [
          (leaf "move-column-to-workspace" [3])
        ])
        (plain "Mod+Shift+4" [
          (leaf "move-column-to-workspace" [4])
        ])
        (plain "Mod+Shift+5" [
          (leaf "move-column-to-workspace" [5])
        ])
        (plain "Mod+Shift+6" [
          (leaf "move-column-to-workspace" [6])
        ])
        (plain "Mod+Shift+7" [
          (leaf "move-column-to-workspace" [7])
        ])
        (plain "Mod+Shift+8" [
          (leaf "move-column-to-workspace" [8])
        ])
        (plain "Mod+Shift+9" [
          (leaf "move-column-to-workspace" [9])
        ])
        (plain "Mod+F" [
          (flag "toggle-window-floating")
        ])
        (plain "Mod+Shift+F" [
          (flag "toggle-windowed-fullscreen")
        ])
        (plain "Mod+Tab" [
          (flag "focus-window-previous")
        ])
        (plain "Mod+Shift+Tab" [
          (flag "switch-focus-between-floating-and-tiling")
        ])
        (plain "Mod+BracketLeft" [
          (flag "consume-or-expel-window-left")
        ])
        (plain "Mod+BracketRight" [
          (flag "consume-or-expel-window-right")
        ])
        (plain "Mod+Comma" [
          (flag "consume-window-into-column")
        ])
        (plain "Mod+Period" [
          (flag "expel-window-from-column")
        ])
        (node "Mod+R" [{repeat = false;}] [
          (flag "switch-preset-column-width")
        ])
        (node "Mod+Shift+R" [{repeat = false;}] [
          (flag "switch-preset-window-height")
        ])
        (plain "Mod+Ctrl+R" [
          (flag "reset-window-height")
        ])
        (node "Mod+M" [{repeat = false;}] [
          (flag "maximize-column")
        ])
        (node "Mod+Shift+M" [{repeat = false;}] [
          (flag "fullscreen-window")
        ])
        (plain "Mod+Z" [
          (flag "center-column")
        ])
        (node "Mod+Minus" [{repeat = false;}] [
          (leaf "set-column-width" ["-10%"])
        ])
        (node "Mod+Equal" [{repeat = false;}] [
          (leaf "set-column-width" ["+10%"])
        ])
        (node "Mod+Shift+Minus" [{repeat = false;}] [
          (leaf "set-window-height" ["-10%"])
        ])
        (node "Mod+Shift+Equal" [{repeat = false;}] [
          (leaf "set-window-height" ["+10%"])
        ])
        (plain "Print" [
          (flag "screenshot")
        ])
        (plain "Ctrl+Print" [
          (flag "screenshot-screen")
        ])
        (plain "Alt+Print" [
          (flag "screenshot-window")
        ])
        (plain "Mod+Shift+Q" [
          (flag "quit")
        ])
        (plain "Mod+E" [
          (flag "expand-column-to-available-width")
        ])
        (plain "Mod+Shift+S" [
          (flag "toggle-keyboard-shortcuts-inhibit")
        ])
        (plain "Mod+Shift+C" [
          (flag "set-dynamic-cast-window")
        ])
        (plain "Mod+Shift+Ctrl+C" [
          (flag "clear-dynamic-cast-target")
        ])
      ])
    ] # binds
  )
  ++ (
    let
      spawn-at-startup = leaf "spawn-at-startup";
    in [
      (leaf "screenshot-path" ["${config.xdg.userDirs.pictures}/screenshots/%Y-%m-%d_%H:%M:%S.png"])
      (plain "hotkey-overlay" [
        (flag "skip-at-startup")
      ])
      (flag "prefer-no-csd")
      (spawn-at-startup [waybar])
      (spawn-at-startup [swaync])
      (spawn-at-startup [waypaper "--restore"])
      (spawn-at-startup [polkit-kde-agent])
      (spawn-at-startup [wl-paste "--watch" cliphist "store"])
      (spawn-at-startup [wl-clip-persist "--clipboard" "regular"])
      (spawn-at-startup [fcitx5 "--replace"])
      (plain "input" [
        (plain "touchpad" [
          (leaf "click-method" ["clickfinger"])
          (flag "dwt")
          (leaf "scroll-method" ["two-finger"])
          (leaf "tap-button-map" ["left-right-middle"])
        ])
      ])
      (plain "cursor" [
        (leaf "hide-after-inactive-ms" [3000])
        (flag "hide-when-typing")
      ])
      (plain "layout" [
        (leaf "background-color" ["transparent"])
        (plain "border" [
          (flag "off")
          (leaf "width" [4])
          (leaf "active-color" ["#7fc8ff"])
          (leaf "inactive-color" ["#505050"])
        ])
        (plain "focus-ring" [
          # (flag "off")
          (leaf "width" [4])
          (leaf "active-color" ["#7fc8ff"])
          (leaf "inactive-color" ["#505050"])
        ])
        (plain "tab-indicator" [
          (flag "hide-when-single-tab")
        ])
        (plain "preset-column-widths" [
          (leaf "proportion" [(1. / 4.)])
          (leaf "proportion" [(1. / 3.)])
          (leaf "proportion" [(1. / 2.)])
          (leaf "proportion" [(2. / 3.)])
          (leaf "proportion" [(3. / 4.)])
          (leaf "proportion" [(4. / 4.)])
        ])
        (flag "always-center-single-column")
        (leaf "center-focused-column" ["never"])
        (leaf "default-column-display" ["tabbed"])
        (plain "default-column-width" [
          (leaf "proportion" [(1. / 2.)])
        ])
        (flag "empty-workspace-above-first")
        (leaf "gaps" [16])
      ])
      (plain "animations" [
        (plain "window-close" [
          (leaf "spring" [
            {
              damping-ratio = 1.0;
              stiffness = 800;
              epsilon = 0.0001;
            }
          ])
        ])
      ])
      (plain "overview" [
        (plain "workspace-shadow" [
          (flag "off")
        ])
      ])
    ] # others
  )
  ++ (
    let
      window-rule = plain "window-rule";
      match = leaf "match";
    in [
      (window-rule [
        (leaf "draw-border-with-background" [true])
        (leaf "geometry-corner-radius" [12.0])
        (leaf "clip-to-geometry" [true])
      ])
      (window-rule [
        (match [{app-id = "^org\\.keepassxc\\.KeePassXC$";}])
        (match [{app-id = "^org\\.gnome\\.World\\.Secrets$";}])
        (leaf "block-out-from" ["screen-capture"])
      ])
      (window-rule [
        (match [{is-active = true;}])
        (leaf "opacity" [0.95])
      ])
      (window-rule [
        (match [{is-active = false;}])
        (leaf "opacity" [0.8])
        (leaf "draw-border-with-background" [false])
      ])
      (window-rule [
        (match [{app-id = "^Alacritty$";}])
        (match [{app-id = "^com\\.mitchellh\\.ghostty$";}])
        (match [{app-id = "^neovide$";}])
        (leaf "draw-border-with-background" [false])
      ])
      (window-rule [
        (match [{app-id = "^org\\.kde\\.polkit-kde-authentication-agent-1$";}])
        (leaf "open-floating" [true])
      ])
      (window-rule [
        (match [{app-id = "^swayimg$";}])
        (leaf "draw-border-with-background" [false])
        (leaf "open-floating" [true])
      ])
      (window-rule [
        (match [{is-window-cast-target = true;}])
        (plain "focus-ring" [
          (leaf "active-color" ["#f38ba8"])
          (leaf "inactive-color" ["#7d0d2d"])
        ])
        (plain "border" [
          (leaf "active-color" ["#f38ba8"])
          (leaf "inactive-color" ["#7d0d2d"])
        ])
        (plain "tab-indicator" [
          (leaf "active-color" ["#f38ba8"])
          (leaf "inactive-color" ["#7d0d2d"])
        ])
        (plain "shadow" [
          (flag "on")
        ])
      ])
      (window-rule [
        (match [
          {
            app-id = "^org\\.telegram\\.desktop$";
            title = "Media viewer";
          }
        ])
        (match [
          {
            app-id = "^QQ$";
            title = "图片查看器";
          }
        ])
        (leaf "open-floating" [true])
        (leaf "open-fullscreen" [false])
      ])
      (window-rule [
        (match [
          {
            app-id = "^wechat$";
            title = "^wechat$";
          }
        ])
        (leaf "open-focused" [false])
      ])
    ] # window-rule
  )
  ++ (
    let
      layer-rule = plain "layer-rule";
      match = leaf "match";
    in [
      (layer-rule [
        (match [{namespace = "^swaync-notification-window$";}])
        (match [{namespace = "^swaync-control-center$";}])
        (leaf "block-out-from" ["screen-capture"])
      ])
      (layer-rule [
        (match [{namespace = "^launcher$";}])
        (plain "shadow" [
          (flag "on")
        ])
        (leaf "geometry-corner-radius" [10.0])
      ])
      (layer-rule [
        (match [{namespace = "^mpvpaper$";}])
        (leaf "place-within-backdrop" [true])
      ])
    ] # layer-rule
  )