.dotfiles/dot_config/flake/home/niri.nix

{
  pkgs,
  inputs,
  config,
  lib,
  ...
}: {
  imports = [
    ./darkman.nix
    # inputs.niri.homeModules.niri.default
    inputs.dankMaterialShell.homeModules.dankMaterialShell.default
    inputs.dankMaterialShell.homeModules.dankMaterialShell.niri
  ];

  home.packages = with pkgs; [
    glib
    xdg-desktop-portal-gnome
    xdg-desktop-portal-gtk
    gnome-keyring

    eog

    upower

    mods.xwayland-satellite
    wlsunset
  ];

  programs.dankMaterialShell = {
    enable = true;
    quickshell.package = pkgs.unstable.quickshell;
    niri.enableKeybinds = true;
    niri.enableSpawn = true;
  };

  gtk = {
    enable = true;
    # theme.name = "Adwaita";
    iconTheme = {
      package = pkgs.tela-icon-theme;
      name = "Tela";
    };
  };

  programs.niri.settings = {
    cursor = {
      size = 12;
      theme = "Adwaita";
    };

    hotkey-overlay.skip-at-startup = true;

    input = {
      #     keyboard {
      #         xkb {
      #             // You can set rules, model, layout, variant and options.
      #             // For more information, see xkeyboard-config(7).

      #             // For example:
      #             // layout "us,ru"
      #             // options "grp:win_space_toggle,compose:ralt,ctrl:nocaps"
      #         }

      #         // Enable numlock on startup, omitting this setting disables it.
      #         numlock
      #     }

      #     // Next sections include libinput settings.
      #     // Omitting settings disables them, or leaves them at their default values.
      #     touchpad {
      #         // off
      #         tap
      #         // dwt
      #         // dwtp
      #         // drag false
      #         // drag-lock
      #         natural-scroll
      #         // accel-speed 0.2
      #         // accel-profile "flat"
      #         // scroll-method "two-finger"
      #         // disabled-on-external-mouse
      #     }

      #     mouse {
      #         // off
      #         // natural-scroll
      #         // accel-speed 0.2
      #         // accel-profile "flat"
      #         // scroll-method "no-scroll"
      #     }

      #     trackpoint {
      #         // off
      #         // natural-scroll
      #         // accel-speed 0.2
      #         // accel-profile "flat"
      #         // scroll-method "on-button-down"
      #         // scroll-button 273
      #         // middle-emulation
      #     }

      #     // Uncomment this to make the mouse warp to the center of newly focused windows.
      #     // warp-mouse-to-focus

      #     // Focus windows and outputs automatically when moving the mouse into them.
      #     // Setting max-scroll-amount="0%" makes it work only on windows already fully on screen.
      focus-follows-mouse = {
        enable = true;
        max-scroll-amount = "0%";
      };
    };

    # // You can configure outputs by their name, which you can find
    # // by running `niri msg outputs` while inside a niri instance.
    # // The built-in laptop monitor is usually called "eDP-1".
    # // Find more information on the wiki:
    # // https://github.com/YaLTeR/niri/wiki/Configuration:-Outputs
    # // Remember to uncomment the node by removing "/-"!
    # /-output "eDP-1" {
    #     // Uncomment this line to disable this output.
    #     // off

    #     // Resolution and, optionally, refresh rate of the output.
    #     // The format is "<width>x<height>" or "<width>x<height>@<refresh rate>".
    #     // If the refresh rate is omitted, niri will pick the highest refresh rate
    #     // for the resolution.
    #     // If the mode is omitted altogether or is invalid, niri will pick one automatically.
    #     // Run `niri msg outputs` while inside a niri instance to list all outputs and their modes.
    #     mode "1920x1080@120.030"

    #     // You can use integer or fractional scale, for example use 1.5 for 150% scale.
    #     scale 2

    #     // Transform allows to rotate the output counter-clockwise, valid values are:
    #     // normal, 90, 180, 270, flipped, flipped-90, flipped-180 and flipped-270.
    #     transform "normal"

    #     // Position of the output in the global coordinate space.
    #     // This affects directional monitor actions like "focus-monitor-left", and cursor movement.
    #     // The cursor can only move between directly adjacent outputs.
    #     // Output scale and rotation has to be taken into account for positioning:
    #     // outputs are sized in logical, or scaled, pixels.
    #     // For example, a 3840×2160 output with scale 2.0 will have a logical size of 1920×1080,
    #     // so to put another output directly adjacent to it on the right, set its x to 1920.
    #     // If the position is unset or results in an overlap, the output is instead placed
    #     // automatically.
    #     position x=1280 y=0
    # }

    # Settings that influence how windows are positioned and sized.
    # Find more information on the wiki:
    # https://github.com/YaLTeR/niri/wiki/Configuration:-Layout
    layout = {
      #     // Set gaps around windows in logical pixels.
      gaps = 16;

      # // When to center a column when changing focus, options are:
      # // - "never", default behavior, focusing an off-screen column will keep at the left
      # //   or right edge of the screen.
      # // - "always", the focused column will always be centered.
      # // - "on-overflow", focusing a column will center it if it doesn't fit
      # //   together with the previously focused column.
      center-focused-column = "on-overflow";

      # Widths to cycle through
      preset-column-widths = [
        {proportion = 1. / 3.;}
        {proportion = 1. / 2.;}
        {proportion = 2. / 3.;}
      ];

      # // You can also customize the heights that "switch-preset-window-height" (Mod+Shift+R) toggles between.
      # // preset-window-heights { }

      # You can change the default width of the new windows.
      default-column-width = {proportion = 0.5;};
      # // If you leave the brackets empty, the windows themselves will decide their initial width.
      # // default-column-width {}

      # // By default focus ring and border are rendered as a solid background rectangle
      # // behind windows. That is, they will show up through semitransparent windows.
      # // This is because windows using client-side decorations can have an arbitrary shape.
      # //
      # // If you don't like that, you should uncomment `prefer-no-csd` below.
      # // Niri will draw focus ring and border *around* windows that agree to omit their
      # // client-side decorations.
      # //
      # // Alternatively, you can override it with a window rule called
      # // `draw-border-with-background`.

      # You can change how the focus ring looks.
      focus-ring = {
        enable = true;

        #  How many logical pixels the ring extends out from the windows.
        width = 4;

        # // Colors can be set in a variety of ways:
        # // - CSS named colors: "red"
        # // - RGB hex: "#rgb", "#rgba", "#rrggbb", "#rrggbbaa"
        # // - CSS-like notation: "rgb(255, 127, 0)", rgba(), hsl() and a few others.

        # // Color of the ring on the active monitor.
        active.color = "#7fc8ff";

        # // Color of the ring on inactive monitors.
        inactive.color = "#505050";

        # // You can also use gradients. They take precedence over solid colors.
        # // Gradients are rendered the same as CSS linear-gradient(angle, from, to).
        # // The angle is the same as in linear-gradient, and is optional,
        # // defaulting to 180 (top-to-bottom gradient).
        # // You can use any CSS linear-gradient tool on the web to set these up.
        # // Changing the color space is also supported, check the wiki for more info.
        # //
        # // active-gradient from="#80c8ff" to="#bbddff" angle=45

        # // You can also color the gradient relative to the entire view
        # // of the workspace, rather than relative to just the window itself.
        # // To do that, set relative-to="workspace-view".
        # //
        # // inactive-gradient from="#505050" to="#808080" angle=45 relative-to="workspace-view"
      };

      # You can also add a border. It's similar to the focus ring, but always visible.
      border = {
        enable = false;

        #     width 4
        #     active-color "#ffc87f"
        #     inactive-color "#505050"

        #     // Color of the border around windows that request your attention.
        #     urgent-color "#9b0000"

        #     // active-gradient from="#ffbb66" to="#ffc880" angle=45 relative-to="workspace-view"
        #     // inactive-gradient from="#505050" to="#808080" angle=45 relative-to="workspace-view"
      };

      # // You can enable drop shadows for windows.
      # shadow {
      #     // Uncomment the next line to enable shadows.
      #     // on

      #     // By default, the shadow draws only around its window, and not behind it.
      #     // Uncomment this setting to make the shadow draw behind its window.
      #     //
      #     // Note that niri has no way of knowing about the CSD window corner
      #     // radius. It has to assume that windows have square corners, leading to
      #     // shadow artifacts inside the CSD rounded corners. This setting fixes
      #     // those artifacts.
      #     //
      #     // However, instead you may want to set prefer-no-csd and/or
      #     // geometry-corner-radius. Then, niri will know the corner radius and
      #     // draw the shadow correctly, without having to draw it behind the
      #     // window. These will also remove client-side shadows if the window
      #     // draws any.
      #     //
      #     // draw-behind-window true

      #     // You can change how shadows look. The values below are in logical
      #     // pixels and match the CSS box-shadow properties.

      #     // Softness controls the shadow blur radius.
      #     softness 30

      #     // Spread expands the shadow.
      #     spread 5

      #     // Offset moves the shadow relative to the window.
      #     offset x=0 y=5

      #     // You can also change the shadow color and opacity.
      #     color "#0007"
      # }

      #     // Struts shrink the area occupied by windows, similarly to layer-shell panels.
      #     // You can think of them as a kind of outer gaps. They are set in logical pixels.
      #     // Left and right struts will cause the next window to the side to always be visible.
      #     // Top and bottom struts will simply add outer gaps in addition to the area occupied by
      #     // layer-shell panels and regular gaps.
      #     struts {
      #         // left 64
      #         // right 64
      #         // top 64
      #         // bottom 64
      #     }
    };

    # Uncomment this line to ask the clients to omit their client-side decorations if possible.
    # If the client will specifically ask for CSD, the request will be honored.
    # Additionally, clients will be informed that they are tiled, removing some client-side rounded corners.
    # This option will also fix border/focus ring drawing behind some semitransparent windows.
    # After enabling or disabling this, you need to restart the apps for this to take effect.
    # prefer-no-csd = true;

    # // You can change the path where screenshots are saved.
    # // A ~ at the front will be expanded to the home directory.
    # // The path is formatted with strftime(3) to give you the screenshot date and time.
    screenshot-path = "~/Pictures/Screenshots/Screenshot from %Y-%m-%d %H-%M-%S.png";

    # // You can also set this to null to disable saving screenshots to disk.
    # // screenshot-path null

    # Animation settings.
    # The wiki explains how to configure individual animations:
    # https://github.com/YaLTeR/niri/wiki/Configuration:-Animations
    # animations {
    #     // Uncomment to turn off all animations.
    #     // off

    #     // Slow down all animations by this factor. Values below 1 speed them up instead.
    #     // slowdown 3.0
    # }

    layer-rules = [
      {
        matches = [{namespace = "^quickshell-wallpaper$";}];
      }
      {
        matches = [{namespace = "^quickshell-overview$";}];
        place-within-backdrop = true;
      }
    ];

    # Window rules let you adjust behavior for individual windows.
    # Find more information on the wiki:
    # https://github.com/YaLTeR/niri/wiki/Configuration:-Window-Rules

    window-rules = [
      {
        clip-to-geometry = true;
        geometry-corner-radius = let
          r = 10.0;
        in {
          bottom-left = r;
          bottom-right = r;
          top-left = r;
          top-right = r;
        };
      }

      # Open the Firefox picture-in-picture player as floating by default.
      {
        matches = [
          {
            app-id = "firefox$";
            title = "^Picture-in-Picture$";
          }
        ];
        open-floating = true;
      }
    ];

    # // Work around WezTerm's initial configure bug
    # // by setting an empty default-column-width.
    # window-rule {
    #     // This regular expression is intentionally made as specific as possible,
    #     // since this is the default config, and we want no false positives.
    #     // You can get away with just app-id="wezterm" if you want.
    #     match app-id=r#"^org\.wezfurlong\.wezterm$"#
    #     default-column-width {}
    # }

    # // Example: block out two password managers from screen capture.
    # // (This example rule is commented out with a "/-" in front.)
    # /-window-rule {
    #     match app-id=r#"^org\.keepassxc\.KeePassXC$"#
    #     match app-id=r#"^org\.gnome\.World\.Secrets$"#

    #     block-out-from "screen-capture"

    #     // Use this instead if you want them visible on third-party screenshot tools.
    #     // block-out-from "screencast"
    # }

    # Example: enable rounded corners for all windows.
    # (This example rule is commented out with a "/-" in front.)
    # /-window-rule {
    #     geometry-corner-radius 12
    #     clip-to-geometry true
    # }

    outputs = {
      "DP-2" = {
        # variable-refresh-rate = true;
      };
      "eDP-1".scale = 1.0;
    };

    binds = with config.lib.niri.actions; {
      # Keys consist of modifiers separated by + signs, followed by an XKB key name
      # in the end. To find an XKB name for a particular key, you may use a program
      # like wev.
      #
      # "Mod" is a special modifier equal to Super when running on a TTY, and to Alt
      # when running as a winit window.
      #
      # Most actions that you can bind here can also be invoked programmatically with
      # `niri msg action do-something`.

      # Mod-Shift-/, which is usually the same as Mod-?,
      # shows a list of important hotkeys.
      "Mod+Shift+Slash".action = show-hotkey-overlay;

      # Suggested binds for running programs: terminal, app launcher, screen locker.
      "Mod+T" = {
        hotkey-overlay.title = "Open a Terminal: ghostty";
        action = spawn "ghostty";
      };
      # "Mod+Space" = {
      #   hotkey-overlay.title = "Application launcher";
      # action = spawn ["noctalia-shell" "ipc" "call" "launcher" "toggle"];
      # };

      # "XF86AudioRaiseVolume" = {
      #   allow-when-locked = true;
      #   action = spawn ["wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.1+"];
      # };
      # "XF86AudioLowerVolume" = {
      #   allow-when-locked = true;
      #   action = spawn ["wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.1-"];
      # };
      # "XF86AudioMute" = {
      #   allow-when-locked = true;
      #   action = spawn ["wpctl" "set-mute" "@DEFAULT_AUDIO_SINK@" "toggle"];
      # };
      # XF86AudioMicMute = {
      #   allow-when-locked = true;
      #   action = spawn ["wpctl" "set-mute" "@DEFAULT_AUDIO_SOURCE@" "toggle"];
      # };

      # Open/close the Overview: a zoomed-out view of workspaces and windows.
      # You can also move the mouse into the top-left hot corner,
      # or do a four-finger swipe up on a touchpad.
      "Mod+O" = {
        repeat = false;
        action = toggle-overview;
      };

      "Mod+Q".action = close-window;

      "Mod+Left".action = focus-column-left;
      "Mod+Down".action = focus-window-down;
      "Mod+Up".action = focus-window-up;
      "Mod+Right".action = focus-column-right;
      "Mod+H".action = focus-column-left;
      "Mod+J".action = focus-window-down;
      "Mod+K".action = focus-window-up;
      "Mod+L".action = focus-column-right;

      "Mod+Ctrl+Left".action = move-column-left;
      "Mod+Ctrl+Down".action = move-window-down;
      "Mod+Ctrl+Up".action = move-window-up;
      "Mod+Ctrl+Right".action = move-column-right;
      "Mod+Ctrl+H".action = move-column-left;
      "Mod+Ctrl+J".action = move-window-down;
      "Mod+Ctrl+K".action = move-window-up;
      "Mod+Ctrl+L".action = move-column-right;

      # // Alternative commands that move across workspaces when reaching
      # // the first or last window in a column.
      # // Mod+J     { focus-window-or-workspace-down; }
      # // Mod+K     { focus-window-or-workspace-up; }
      # // Mod+Ctrl+J     { move-window-down-or-to-workspace-down; }
      # // Mod+Ctrl+K     { move-window-up-or-to-workspace-up; }

      "Mod+Home".action = focus-column-first;
      "Mod+End".action = focus-column-last;
      "Mod+Ctrl+Home".action = move-column-to-first;
      "Mod+Ctrl+End".action = move-column-to-last;

      "Mod+Shift+Left".action = focus-monitor-left;
      "Mod+Shift+Down".action = focus-monitor-down;
      "Mod+Shift+Up".action = focus-monitor-up;
      "Mod+Shift+Right".action = focus-monitor-right;
      "Mod+Shift+H".action = focus-monitor-left;
      "Mod+Shift+J".action = focus-monitor-down;
      "Mod+Shift+K".action = focus-monitor-up;
      "Mod+Shift+L".action = focus-monitor-right;

      "Mod+Shift+Ctrl+Left".action = move-column-to-monitor-left;
      "Mod+Shift+Ctrl+Down".action = move-column-to-monitor-down;
      "Mod+Shift+Ctrl+Up".action = move-column-to-monitor-up;
      "Mod+Shift+Ctrl+Right".action = move-column-to-monitor-right;
      "Mod+Shift+Ctrl+H".action = move-column-to-monitor-left;
      "Mod+Shift+Ctrl+J".action = move-column-to-monitor-down;
      "Mod+Shift+Ctrl+K".action = move-column-to-monitor-up;
      "Mod+Shift+Ctrl+L".action = move-column-to-monitor-right;

      # // Alternatively, there are commands to move just a single window:
      # // Mod+Shift+Ctrl+Left  { move-window-to-monitor-left; }
      # // ...

      # // And you can also move a whole workspace to another monitor:
      # // Mod+Shift+Ctrl+Left  { move-workspace-to-monitor-left; }
      # // ...

      "Mod+Page_Down" = {
        hotkey-overlay.title = "Switch workspace down";
        action = focus-workspace-down;
      };
      "Mod+Page_Up" = {
        hotkey-overlay.title = "Switch workspace up";
        action = focus-workspace-up;
      };
      "Mod+U".action = focus-workspace-down;
      "Mod+I".action = focus-workspace-up;
      "Mod+Ctrl+Page_Down" = {
        hotkey-overlay.title = "Move column up a workspace";
        action = move-column-to-workspace-down;
      };
      "Mod+Ctrl+Page_Up" = {
        hotkey-overlay.title = "Move column down a workspace";
        action = move-column-to-workspace-up;
      };
      "Mod+Ctrl+U".action = move-column-to-workspace-down;
      "Mod+Ctrl+I".action = move-column-to-workspace-up;

      # // Alternatively, there are commands to move just a single window:
      # // Mod+Ctrl+Page_Down { move-window-to-workspace-down; }
      # // ...

      "Mod+Shift+Page_Down".action = move-workspace-down;
      "Mod+Shift+Page_Up".action = move-workspace-up;
      "Mod+Shift+U".action = move-workspace-down;
      "Mod+Shift+I".action = move-workspace-up;

      # // You can bind mouse wheel scroll ticks using the following syntax.
      # // These binds will change direction based on the natural-scroll setting.
      # //
      # // To avoid scrolling through workspaces really fast, you can use
      # // the cooldown-ms property. The bind will be rate-limited to this value.
      # // You can set a cooldown on any bind, but it's most useful for the wheel.
      "Mod+WheelScrollDown" = {
        cooldown-ms = 150;
        action = focus-workspace-down;
      };

      "Mod+WheelScrollUp" = {
        cooldown-ms = 150;
        action = focus-workspace-up;
      };
      # Mod+Ctrl+WheelScrollDown cooldown-ms=150 { move-column-to-workspace-down; }
      # Mod+Ctrl+WheelScrollUp   cooldown-ms=150 { move-column-to-workspace-up; }

      "Mod+WheelScrollRight".action = focus-column-right;
      "Mod+WheelScrollLeft".action = focus-column-left;
      "Mod+Ctrl+WheelScrollRight".action = move-column-right;
      "Mod+Ctrl+WheelScrollLeft".action = move-column-left;

      # Usually scrolling up and down with Shift in applications results in
      # horizontal scrolling; these binds replicate that.
      "Mod+Shift+WheelScrollDown".action = focus-column-right;
      "Mod+Shift+WheelScrollUp".action = focus-column-left;
      "Mod+Ctrl+Shift+WheelScrollDown".action = move-column-right;
      "Mod+Ctrl+Shift+WheelScrollUp".action = move-column-left;

      # // Similarly, you can bind touchpad scroll "ticks".
      # // Touchpad scrolling is continuous, so for these binds it is split into
      # // discrete intervals.
      # // These binds are also affected by touchpad's natural-scroll, so these
      # // example binds are "inverted", since we have natural-scroll enabled for
      # // touchpads by default.
      # // Mod+TouchpadScrollDown { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.02+"; }
      # // Mod+TouchpadScrollUp   { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "0.02-"; }

      #  You can refer to workspaces by index. However, keep in mind that
      #  niri is a dynamic workspace system, so these commands are kind of
      #  "best effort". Trying to refer to a workspace index bigger than
      #  the current workspace count will instead refer to the bottommost
      #  (empty) workspace.
      #
      #  For example, with 2 workspaces + 1 empty, indices 3, 4, 5 and so on
      #  will all refer to the 3rd workspace.
      "Mod+1".action = focus-workspace 1;
      "Mod+2".action = focus-workspace 2;
      "Mod+3".action = focus-workspace 3;
      "Mod+4".action = focus-workspace 4;
      "Mod+5".action = focus-workspace 5;
      "Mod+6".action = focus-workspace 6;
      "Mod+7".action = focus-workspace 7;
      "Mod+8".action = focus-workspace 8;
      "Mod+9".action = focus-workspace 9;
      # "Mod+Ctrl+1".action = move-column-to-workspace 1;
      # "Mod+Ctrl+2".action = move-column-to-workspace 2;
      # "Mod+Ctrl+3".action = move-column-to-workspace 3;
      # "Mod+Ctrl+4".action = move-column-to-workspace 4;
      # "Mod+Ctrl+5".action = move-column-to-workspace 5;
      # "Mod+Ctrl+6".action = move-column-to-workspace 6;
      # "Mod+Ctrl+7".action = move-column-to-workspace 7;
      # "Mod+Ctrl+8".action = move-column-to-workspace 8;
      # "Mod+Ctrl+9".action = move-column-to-workspace 9;

      # Alternatively, there are commands to move just a single window:
      # Mod+Ctrl+1 { move-window-to-workspace 1; }

      # Switches focus between the current and the previous workspace.
      # Mod+Tab { focus-workspace-previous; }

      # The following binds move the focused window in and out of a column.
      # If the window is alone, they will consume it into the nearby column to the side.
      # If the window is already in a column, they will expel it out.
      "Mod+BracketLeft".action = consume-or-expel-window-left;
      "Mod+BracketRight".action = consume-or-expel-window-right;

      # Consume one window from the right to the bottom of the focused column.
      "Mod+Comma".action = lib.mkForce consume-window-into-column;
      # Expel the bottom window from the focused column to the right.
      "Mod+Period".action = expel-window-from-column;

      "Mod+R".action = switch-preset-column-width;
      "Mod+Shift+R".action = switch-preset-window-height;
      "Mod+Ctrl+R".action = reset-window-height;
      "Mod+F".action = maximize-column;
      "Mod+Shift+F".action = fullscreen-window;

      # Expand the focused column to space not taken up by other fully visible columns.
      # Makes the column "fill the rest of the space".
      "Mod+Ctrl+F".action = expand-column-to-available-width;

      "Mod+C".action = center-column;

      # Center all fully visible columns on screen.
      "Mod+Ctrl+C".action = center-visible-columns;

      # Finer width adjustments.
      # This command can also:
      # * set width in pixels: "1000"
      # * adjust width in pixels: "-5" or "+5"
      # * set width as a percentage of screen width: "25%"
      # * adjust width as a percentage of screen width: "-10%" or "+10%"
      # Pixel sizes use logical, or scaled, pixels. I.e. on an output with scale 2.0,
      # set-column-width "100" will make the column occupy 200 physical screen pixels.
      "Mod+Minus".action = set-column-width "-10%";
      "Mod+Equal".action = set-column-width "+10%";

      "Print".action.screenshot = {};
      "Ctrl+Print".action.screenshot-screen = {};
      "Alt+Print" .action.screenshot-window = {};

      #     // Finer height adjustments when in column with other windows.
      #     Mod+Shift+Minus { set-window-height "-10%"; }
      #     Mod+Shift+Equal { set-window-height "+10%"; }

      # // Move the focused window between the floating and the tiling layout.
      "Mod+V".action = lib.mkForce toggle-window-floating;
      "Mod+Shift+V".action = switch-focus-between-floating-and-tiling;

      # Toggle tabbed column display mode.
      # Windows in this column will appear as vertical tabs,
      # rather than stacked on top of each other.
      "Mod+W".action = toggle-column-tabbed-display;

      #     // Actions to switch layouts.
      #     // Note: if you uncomment these, make sure you do NOT have
      #     // a matching layout switch hotkey configured in xkb options above.
      #     // Having both at once on the same hotkey will break the switching,
      #     // since it will switch twice upon pressing the hotkey (once by xkb, once by niri).
      #     // Mod+Space       { switch-layout "next"; }
      #     // Mod+Shift+Space { switch-layout "prev"; }

      # Applications such as remote-desktop clients and software KVM switches may
      # request that niri stops processing the keyboard shortcuts defined here
      # so they may, for example, forward the key presses as-is to a remote machine.
      # It's a good idea to bind an escape hatch to toggle the inhibitor,
      # so a buggy application can't hold your session hostage.
      #
      # The allow-inhibiting=false property can be applied to other binds as well,
      # which ensures niri always processes them, even when an inhibitor is active.
      #     Mod+Escape allow-inhibiting=false { toggle-keyboard-shortcuts-inhibit; }

      # The quit action will show a confirmation dialog to avoid accidental exits.
      "Mod+Shift+E".action = quit;
      # Ctrl+Alt+Delete { quit; }

      # Powers off the monitors. To turn them back on, do any input like
      # moving the mouse or pressing any other key.
      # "Mod+Shift+P".action = power-off-monitors;
    };
  };
}