Add niri module

- An overridden `niri.service` is provided, so that systemd does not take
over autostart and try to start things *before* we have an XWayland server running.
- Somehow `wlsunset` is still not working, might need some investigation into why.

home/common.nix

@@ -7,6 +7,7 @@
     ./modules/programs/my-broot.nix
     ./modules/programs/my-waybar.nix
     ./modules/programs/my-sway
+    ./modules/programs/my-niri.nix
     ./modules/programs/my-kitty
     ./modules/programs/openconnect-epfl.nix
     ./common-linux.nix

home/fish/fish.nix

@@ -13,6 +13,9 @@ let
     if which sway &>/dev/null
       set -a CHOICES "sway"
     end
+    if which niri-session &>/dev/null
+      set -a CHOICES "Niri"
+    end
     if which startplasma-wayland &>/dev/null
       set -a CHOICES "KDE Plasma"
     end
@@ -22,6 +25,8 @@ let
       case "sway"
         systemctl --user unset-environment NIXOS_OZONE_WL
         exec sway
+      case "Niri"
+        exec niri-session
       case "KDE Plasma"
         exec ${pkgs.kdePackages.plasma-workspace}/libexec/plasma-dbus-run-session-if-needed startplasma-wayland
       case '*'

home/kagami-pc-home.nix

@@ -39,6 +39,7 @@
   linux.graphical.wallpaper = ./images/pixiv_18776904.png;
   linux.graphical.defaults.webBrowser.package = pkgs.zen-browser-bin;
   linux.graphical.defaults.webBrowser.desktopFile = "zen.desktop";
+  programs.my-niri.enable = true;
   programs.my-sway.enable = true;
   programs.my-sway.fontSize = 15.0;
   programs.my-sway.enableLaptop = true;

home/modules/programs/my-kitty/default.nix

@@ -74,7 +74,7 @@ with lib;
         # Background color and transparency
         background =
           if isNull cfg.background then {
-            background_opacity = "0.85";
+            background_opacity = "0.93";
             dynamic_background_opacity = true;
           } else {
             background_image = "${cfg.background}";

home/modules/programs/my-niri.nix

@@ -0,0 +1,328 @@
+{ config, osConfig, lib, pkgs, ... }:
+let
+  cfg = config.programs.my-niri;
+
+  sh = config.lib.niri.actions.spawn "sh" "-c";
+  playerctl = lib.getExe pkgs.playerctl;
+  amixer = lib.getExe' pkgs.alsa-utils "amixer";
+  brightnessctl = lib.getExe pkgs.brightnessctl;
+  app-menu = "${pkgs.dmenu}/bin/dmenu_path | ${pkgs.bemenu}/bin/bemenu | ${pkgs.findutils}/bin/xargs swaymsg exec --";
+
+  wallpaper = config.linux.graphical.wallpaper;
+
+  workspaces = {
+    "01" = { name = "🌏 web"; };
+    "02" = { name = "💬 chat"; };
+    "03" = { name = "⚙️ code"; };
+    "04" = { name = "🎶 music"; };
+    "05" = { name = "🔧 extra"; };
+    "06" = { name = "🧰 6"; };
+    "07" = { name = "🔩 7"; };
+    "08" = { name = "🛠️ 8"; };
+    "09" = { name = "🔨 9"; };
+    "10" = { name = "🎲 misc"; };
+    "99" = { name = "📧 Email"; };
+  };
+
+  xwayland-display = ":12";
+
+in
+{
+  options.programs.my-niri = {
+    enable = lib.mkEnableOption "My own niri configuration";
+
+    enableLaptop = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = "Enable laptop options";
+    };
+
+    lock-command = lib.mkOption {
+      type = lib.types.listOf lib.types.str;
+      description = "The command to lock the screen";
+      default = [ "${pkgs.swaylock}/bin/swaylock" ]
+        ++ (if wallpaper == "" then [ "" ] else [ "-i" "${wallpaper}" "-s" "fill" ])
+        ++ [ "-l" "-k" ];
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    programs.niri.settings = {
+      environment = {
+        QT_QPA_PLATFORM = "wayland";
+        QT_WAYLAND_DISABLE_WINDOWDECORATION = "1";
+        QT_IM_MODULE = "fcitx";
+        GTK_IM_MODULE = "fcitx"; # Til text-input is merged
+        # export NIXOS_OZONE_WL=1 # Until text-input is merged
+        DISPLAY = xwayland-display;
+      } // lib.optionalAttrs osConfig.services.desktopManager.plasma6.enable {
+        XDG_MENU_PREFIX = "plasma-";
+      };
+      input.keyboard.xkb = { layout = "jp"; };
+      input.touchpad = lib.mkIf cfg.enableLaptop {
+        tap = true;
+        dwt = true;
+        natural-scroll = true;
+        middle-emulation = true;
+      };
+      input.mouse = {
+        accel-profile = "flat";
+      };
+      input.warp-mouse-to-focus = true;
+      input.focus-follows-mouse = {
+        enable = true;
+        max-scroll-amount = "0%";
+      };
+
+      outputs =
+        let
+          eachMonitor = _: monitor: {
+            name = monitor.meta.niriName or monitor.name; # Niri might not find the monitor by name
+            value = {
+              mode = monitor.meta.mode;
+              position = monitor.meta.fixedPosition or null;
+              scale = monitor.scale or 1;
+              variable-refresh-rate = (monitor.adaptive_sync or "off") == "on";
+            };
+          };
+        in
+        lib.mapAttrs' eachMonitor config.common.monitors;
+
+      spawn-at-startup = [
+        # Wallpaper
+        { command = [ (lib.getExe pkgs.swaybg) "-i" "${wallpaper}" "-m" "fill" ]; }
+        # IME
+        { command = [ "fcitx5" ]; }
+        # XWayland
+        { command = [ (lib.getExe pkgs.xwayland-satellite) xwayland-display ]; }
+        # Waybar
+        { command = [ "systemctl" "--user" "start" "swaync.service" ]; }
+        { command = [ "systemctl" "--user" "start" "xdg-desktop-portal-gtk.service" "xdg-desktop-portal.service" ]; }
+        { command = [ "systemctl" "--user" "reset-failed" "waybar.service" "wlsunset.service" ]; }
+        # Startup
+        { command = [ (lib.getExe pkgs.dex) "-ae" "niri" ]; }
+      ];
+
+      layout = {
+        gaps = 16;
+        preset-column-widths = [
+          { proportion = 1. / 3.; }
+          { proportion = 1. / 2.; }
+          { proportion = 2. / 3.; }
+        ];
+        default-column-width.proportion = 1. / 2.;
+
+        focus-ring = {
+          width = 4;
+          active.gradient = { from = "#00447AFF"; to = "#71C4FFAA"; angle = 45; };
+          inactive.color = "#505050";
+        };
+        border.enable = false;
+        struts = let v = 8; in { left = v; right = v; bottom = v; top = v; };
+      };
+
+      prefer-no-csd = true;
+
+      inherit workspaces;
+
+      window-rules = [
+        # Rounded Corners
+        {
+          geometry-corner-radius = let v = 8.0; in { bottom-left = v; bottom-right = v; top-left = v; top-right = v; };
+          clip-to-geometry = true;
+        }
+        # Workspace assignments
+        {
+          open-on-workspace = workspaces."01".name;
+          open-maximized = true;
+          matches = [
+            { at-startup = true; app-id = "^firefox$"; }
+            { at-startup = true; app-id = "^librewolf$"; }
+            { at-startup = true; app-id = "^zen$"; }
+          ];
+        }
+        {
+          open-on-workspace = workspaces."02".name;
+          open-maximized = true;
+          matches = [
+            { title = "^((d|D)iscord|((A|a)rm(c|C)ord))$"; }
+            { title = "VencordDesktop"; }
+            { app-id = "VencordDesktop"; }
+            { title = "vesktop"; }
+            { app-id = "vesktop"; }
+
+            { title = "Slack"; }
+          ];
+        }
+        {
+          open-on-workspace = workspaces."99".name;
+          open-maximized = true;
+          matches = [
+            { app-id = "thunderbird"; }
+            { app-id = "evolution"; }
+          ];
+        }
+        # Floating
+        {
+          open-floating = true;
+          matches = [
+            { app-id = ".*float.*"; }
+            { app-id = "org\\.freedesktop\\.impl\\.portal\\.desktop\\..*"; }
+            { title = ".*float.*"; }
+            { title = "Extension: .*Bitwarden.*"; }
+            { app-id = "Rofi"; }
+          ];
+        }
+
+        # Kitty dimming
+        {
+          matches = [{ app-id = "kitty"; }];
+          excludes = [{ is-focused = true; }];
+          opacity = 0.95;
+        }
+      ];
+
+      layer-rules = [
+        {
+          matches = [{ namespace = "^swaync-.*"; }];
+          block-out-from = "screen-capture";
+        }
+      ];
+
+      binds = with config.lib.niri.actions; {
+        # Mod-Shift-/, which is usually the same as Mod-?,
+        # shows a list of important hotkeys.
+        "Mod+Shift+Slash".action = show-hotkey-overlay;
+
+        # Some basic spawns
+        "Mod+Return".action = spawn (lib.getExe config.linux.graphical.defaults.terminal.package);
+        "Mod+Space".action = spawn (lib.getExe pkgs.rofi) "-show" "drun";
+        "Mod+R".action = sh app-menu;
+        "Mod+Semicolon".action = spawn cfg.lock-command;
+
+        # Audio and Volume
+        "XF86AudioPrev" = { action = spawn playerctl "previous"; allow-when-locked = true; };
+        "XF86AudioPlay" = { action = spawn playerctl "play-pause"; allow-when-locked = true; };
+        "Shift+XF86AudioPlay" = { action = spawn playerctl "stop"; allow-when-locked = true; };
+        "XF86AudioNext" = { action = spawn playerctl "next"; allow-when-locked = true; };
+        "XF86AudioRecord" = { action = spawn amixer "-q" "set" "Capture" "toggle"; allow-when-locked = true; };
+        "XF86AudioMute" = { action = spawn amixer "-q" "set" "Master" "toggle"; allow-when-locked = true; };
+        "XF86AudioLowerVolume" = { action = spawn amixer "-q" "set" "Master" "3%-"; allow-when-locked = true; };
+        "XF86AudioRaiseVolume" = { action = spawn amixer "-q" "set" "Master" "3%+"; allow-when-locked = true; };
+
+        # Backlight
+        "XF86MonBrightnessDown".action = spawn brightnessctl "s" "10%-";
+        "XF86MonBrightnessUp".action = spawn brightnessctl "s" "10%+";
+        "Shift+XF86MonBrightnessDown".action = spawn brightnessctl "-d" "kbd_backlight" "s" "25%-";
+        "Shift+XF86MonBrightnessUp".action = spawn brightnessctl "-d" "kbd_backlight" "s" "25%+";
+
+        "Mod+Shift+Q".action = close-window;
+
+        "Mod+Left".action = focus-column-or-monitor-left;
+        "Mod+Right".action = focus-column-or-monitor-right;
+        "Mod+Up".action = focus-window-or-workspace-up;
+        "Mod+Down".action = focus-window-or-workspace-down;
+        "Mod+H".action = focus-column-or-monitor-left;
+        "Mod+L".action = focus-column-or-monitor-right;
+        "Mod+K".action = focus-window-or-workspace-up;
+        "Mod+J".action = focus-window-or-workspace-down;
+
+        "Mod+Shift+Left".action = move-column-left-or-to-monitor-left;
+        "Mod+Shift+Right".action = move-column-right-or-to-monitor-right;
+        "Mod+Shift+Up".action = move-window-up-or-to-workspace-up;
+        "Mod+Shift+Down".action = move-window-down-or-to-workspace-down;
+        "Mod+Shift+H".action = move-column-left-or-to-monitor-left;
+        "Mod+Shift+L".action = move-column-right-or-to-monitor-right;
+        "Mod+Shift+K".action = move-window-up-or-to-workspace-up;
+        "Mod+Shift+J".action = move-window-down-or-to-workspace-down;
+
+        "Mod+Bracketleft".action = focus-column-first;
+        "Mod+Bracketright".action = focus-column-last;
+        "Mod+Shift+Bracketleft".action = move-column-to-first;
+        "Mod+Shift+Bracketright".action = move-column-to-last;
+
+        # For compat with my current sway
+        "Mod+Ctrl+H".action = move-workspace-to-monitor-left;
+        "Mod+Ctrl+L".action = move-workspace-to-monitor-right;
+
+        "Mod+I".action = focus-workspace-down;
+        "Mod+O".action = focus-workspace-up;
+        "Mod+Shift+I".action = move-column-to-workspace-down;
+        "Mod+Shift+O".action = move-column-to-workspace-up;
+        "Mod+Ctrl+I".action = move-workspace-down;
+        "Mod+Ctrl+O".action = move-workspace-up;
+
+        # Mouse bindings
+        "Mod+WheelScrollDown" = { action = focus-workspace-down; cooldown-ms = 150; };
+        "Mod+WheelScrollUp" = { action = focus-workspace-up; cooldown-ms = 150; };
+        "Mod+Ctrl+WheelScrollDown" = { action = move-column-to-workspace-down; cooldown-ms = 150; };
+        "Mod+Ctrl+WheelScrollUp" = { action = move-column-to-workspace-up; cooldown-ms = 150; };
+
+        "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;
+
+        # 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 (workspaces."01".name);
+        "Mod+2".action = focus-workspace (workspaces."02".name);
+        "Mod+3".action = focus-workspace (workspaces."03".name);
+        "Mod+4".action = focus-workspace (workspaces."04".name);
+        "Mod+5".action = focus-workspace (workspaces."05".name);
+        "Mod+6".action = focus-workspace (workspaces."06".name);
+        "Mod+7".action = focus-workspace (workspaces."07".name);
+        "Mod+8".action = focus-workspace (workspaces."08".name);
+        "Mod+9".action = focus-workspace (workspaces."09".name);
+        "Mod+0".action = focus-workspace (workspaces."10".name);
+        "Mod+Ctrl+1".action = move-column-to-workspace (workspaces."01".name);
+        "Mod+Ctrl+2".action = move-column-to-workspace (workspaces."02".name);
+        "Mod+Ctrl+3".action = move-column-to-workspace (workspaces."03".name);
+        "Mod+Ctrl+4".action = move-column-to-workspace (workspaces."04".name);
+        "Mod+Ctrl+5".action = move-column-to-workspace (workspaces."05".name);
+        "Mod+Ctrl+6".action = move-column-to-workspace (workspaces."06".name);
+        "Mod+Ctrl+7".action = move-column-to-workspace (workspaces."07".name);
+        "Mod+Ctrl+8".action = move-column-to-workspace (workspaces."08".name);
+        "Mod+Ctrl+9".action = move-column-to-workspace (workspaces."09".name);
+        "Mod+Ctrl+0".action = move-column-to-workspace (workspaces."10".name);
+
+        "Mod+asciicircum".action = focus-workspace (workspaces."99".name);
+        "Mod+Shift+asciicircum".action = move-column-to-workspace (workspaces."99".name);
+
+        "Mod+Tab".action = focus-workspace-previous;
+
+        "Mod+Comma".action = consume-or-expel-window-left;
+        "Mod+Period".action = consume-or-expel-window-right;
+
+        "Mod+W".action = switch-preset-column-width;
+        "Mod+Shift+W".action = switch-preset-window-height;
+        "Mod+Ctrl+W".action = reset-window-height;
+        "Mod+F".action = maximize-column;
+        "Mod+Shift+F".action = fullscreen-window;
+        "Mod+E".action = center-column;
+
+        "Mod+Minus".action = set-column-width "-10%";
+        "Mod+At".action = set-column-width "+10%";
+        "Mod+Shift+Minus".action = set-window-height "-10%";
+        "Mod+Shift+At".action = set-window-height "+10%";
+
+        "Mod+V".action = switch-focus-between-floating-and-tiling;
+        "Mod+Shift+V".action = toggle-window-floating;
+        "Mod+Shift+Space".action = toggle-window-floating; # Sway compat
+
+        "Print".action = screenshot;
+        "Ctrl+Print".action = screenshot-screen;
+        "Shift+Print".action = screenshot-window;
+
+        "Mod+Shift+E".action = quit;
+      };
+    };
+  };
+}
+

home/modules/programs/my-waybar.nix

@@ -45,11 +45,14 @@ in
   config.programs.waybar =
     let
       barWith = { showMedia ? true, showConnectivity ? true, extraSettings ? { }, ... }: lib.mkMerge ([{
+        layer = "top";
         position = "top";
         modules-left = [
           "sway/workspaces"
           "sway/mode"
           "sway/window"
+          "niri/workspaces"
+          "niri/window"
         ];
         modules-center = [
         ];
@@ -91,6 +94,19 @@ in
               "\\((\\d+)\\) Discord \\| (.*)" = "[🗨️] {$1} $2";
             };
           };
+          "niri/window" = {
+            format = "{title}";
+            "rewrite" = {
+              "(.*) — Mozilla Firefox" = "[🌎] $1";
+              "(.*) - Mozilla Thunderbird" = "[📧] $1";
+              "(.*) - Kakoune" = "[⌨️] $1";
+              "(.*) - fish" = "[>_] $1";
+              "(.*) - Discord" = "[🗨️] $1";
+              # ArmCord thing
+              "• Discord \\| (.*)" = "[🗨️] $1";
+              "\\((\\d+)\\) Discord \\| (.*)" = "[🗨️] {$1} $2";
+            };
+          };
           "tray" = {
             icon-size = 21;
             spacing = 10;

modules/common/linux/default.nix

@@ -45,12 +45,31 @@ let
       # services.gnome.evolution-data-server.plugins = with pkgs; [ evolution-ews ];
     };
 
-    wlr = { ... }: mkIf config.common.linux.enable {
+    wlr = { lib, config, ... }: mkIf config.common.linux.enable {
       # swaync disable notifications on screencast
       xdg.portal.wlr.settings.screencast = {
         exec_before = ''which swaync-client && swaync-client --inhibitor-add "xdg-desktop-portal-wlr" || true'';
         exec_after = ''which swaync-client && swaync-client --inhibitor-remove "xdg-desktop-portal-wlr" || true'';
       };
+
+      # Niri stuff
+      # https://github.com/sodiboo/niri-flake/blob/main/docs.md
+      programs.niri.enable = true;
+      programs.niri.package = pkgs.niri-stable;
+      systemd.user.services.niri = {
+        description = "A scrollable-tiling Wayland compositor";
+        bindsTo = [ "graphical-session.target" ];
+        before = [ "graphical-session.target" ];
+        wants = [ "graphical-session-pre.target" ];
+        after = [ "graphical-session-pre.target" ];
+
+        serviceConfig.Slice = "session.slice";
+        serviceConfig.Type = "notify";
+        serviceConfig.ExecStart = "${lib.getExe config.programs.niri.package} --session";
+        path = mkForce [ ];
+      };
+      # Override gnome-keyring disabling
+      services.gnome.gnome-keyring.enable = lib.mkForce false;
     };
 
     logitech = { pkgs, ... }: mkIf cfg.enable {
@@ -343,6 +362,13 @@ in
       extraPortals = [ pkgs.kdePackages.xdg-desktop-portal-kde pkgs.xdg-desktop-portal-gtk ];
 
       config.sway.default = [ "wlr" "kde" "kwallet" ];
+      config.niri = {
+        default = [ "gnome" "gtk" ];
+        "org.freedesktop.impl.portal.Access" = "gtk";
+        "org.freedesktop.impl.portal.Notification" = "gtk";
+        "org.freedesktop.impl.portal.Secret" = "kwallet";
+        "org.freedesktop.impl.portal.FileChooser" = "kde";
+      };
     };
     # D-Bus
     services.dbus.packages = with pkgs; [ gcr ];