the core of niri is done

cachix/cachix/niri.nix

@@ -0,0 +1,13 @@
+
+{
+  nix = {
+    settings = {
+      substituters = [
+        "https://niri.cachix.org"
+      ];
+      trusted-public-keys = [
+        "niri.cachix.org-1:Wv0OmO7PsuocRKzfDoJ3mulSl7Z6oezYhGhR+3W2964="
+      ];
+    };
+  };
+}

home/home.nix

@@ -1,4 +1,4 @@
-{ config, lib, pkgs, inputs, ... }:
+{ config, lib, pkgs, inputs, niri, ... }:
 
 let
   laptop = builtins.readFile "/etc/hostname" == ''
@@ -669,9 +669,9 @@ in {
         output = [ "DP-1" "eDP-1" ];
         position = if laptop then "bottom" else "top";
         height = 15;
-        width = if laptop then 1400 else 2200;
+        width = if laptop then 1450 else 2200;
         # Choose the order of the modules "custom/wintitle", 
-        modules-left = [ "hyprland/workspaces" "hyprland/window" ];
+        modules-left = [ "niri/workspaces" "niri/window" ];
         modules-center = [ "clock" ];
         modules-right =
           [ "cpu" "memory" "pulseaudio" "backlight" "battery" "tray" ];
@@ -679,12 +679,12 @@ in {
         margin-bottom = if laptop then 4 else 0;
         margin-left = 6;
         margin-right = 6;
-        "hyprland/window" = { format = "<span style='italic'>{title}</span>"; icon = true; };
+        "niri/window" = { format = "<span style='italic'>{title}</span>"; icon = true; };
         workspaces = { format = " {name} "; };
-        "hyprland/workspaces" = {
+        "niri/workspaces" = {
           format = "{icon}";
           format-icons = {
-            "1" = "";
+            "main" = "";
             "2" = "";
             "3" = "󰈙";
             "4" = "󰭹";
@@ -825,7 +825,7 @@ in {
           padding-bottom: 2px;
           padding-left: 5px;
           padding-right: 5px;
-          margin-right: 50px;
+          margin-right: 0px;
           background: @backtransparent;
           box-shadow: 5px 5px 4px 4px #202020;
           border-radius: 20px;
@@ -1492,7 +1492,7 @@ in {
         padding.y = 10;
         dynamic_padding = true;
       };
-      terminal.shell.program = "fish";
+      terminal.shell.program = "nu";
       font = {
         normal = {
           family = "VictorMono Nerd Font";

home/modules/niri.nix

@@ -1,28 +1,102 @@
 
-{ config, lib, pkgs, ... }:
+{ config, lib, pkgs, niri, ... }:
 
 let
   laptop = builtins.readFile "/etc/hostname" == "syl\n";
+  cosmic-extra-niri = pkgs.writeShellScriptBin "cosmic-extra-niri" ''
+set -e
+
+# From: https://people.debian.org/~mpitt/systemd.conf-2016-graphical-session.pdf
+
+if command -v systemctl >/dev/null; then
+    # robustness: if the previous graphical session left some failed units,
+    # reset them so that they don't break this startup
+    for unit in $(systemctl --user --no-legend --state=failed --plain list-units | cut -f1 -d' '); do
+        partof="$(systemctl --user show -p PartOf --value "$unit")"
+        for target in cosmic-session.target graphical-session.target; do
+            if [ "$partof" = "$target" ]; then
+                systemctl --user reset-failed "$unit"
+                break
+            fi
+        done
+    done
+fi
+
+# use the user's preferred shell to acquire environment variables
+# see: https://github.com/pop-os/cosmic-session/issues/23
+if [ -n "''${SHELL}" ]; then
+    # --in-login-shell: our flag to indicate that we don't need to recurse any further
+    if [ "''${1}" != "--in-login-shell" ]; then
+        # `exec -l`: like `login`, prefixes $SHELL with a hyphen to start a login shell
+        exec bash -c "''${0} --in-login-shell"
+    fi
+fi
+
+export XDG_CURRENT_DESKTOP="''${XDG_CURRENT_DESKTOP:=niri}"
+export XDG_SESSION_TYPE="''${XDG_SESSION_TYPE:=wayland}"
+export XCURSOR_THEME="''${XCURSOR_THEME:=Cosmic}"
+export _JAVA_AWT_WM_NONREPARENTING=1
+export GDK_BACKEND=wayland,x11
+export MOZ_ENABLE_WAYLAND=1
+export QT_QPA_PLATFORM="wayland;xcb"
+export QT_AUTO_SCREEN_SCALE_FACTOR=1
+export QT_ENABLE_HIGHDPI_SCALING=1
+
+if command -v systemctl >/dev/null; then
+    # set environment variables for new units started by user service manager
+    systemctl --user import-environment XDG_SESSION_TYPE XDG_CURRENT_DESKTOP
+fi
+# Run cosmic-session
+if [[ -z "''${DBUS_SESSION_BUS_ADDRESS}" ]]; then
+    exec dbus-run-session -- ${pkgs.cosmic-session}/bin/cosmic-session niri
+else
+    exec ${pkgs.cosmic-session}/bin/cosmic-session niri
+fi
+  '';
 in
 {
+  home.packages = with pkgs; [
+    cosmic-extra-niri
+  ];
   programs.niri = {
-    enable = true;
+    # enable = true;
     settings = {
-      binds = {
+      prefer-no-csd = true;
-        "XF86AudioRaiseVolume".action.spawn = ["volup"];
+      binds = with config.lib.niri.actions; let
-        "XF86AudioLowerVolume".action.spawn = ["voldown"];
+      in {
-        "Mod+E".action.spawn = "emacslof";
+        "XF86AudioRaiseVolume".action.spawn = ["pamixer" "--allow-boost" "-i" "5"];
-        "Mod+B".action.spawn = "qblof";
+        "XF86AudioLowerVolume".action.spawn = ["pamixer" "--allow-boost" "-d" "5"];
-        "Mod+Shift+Q".action = quit;
+        "Super+E".action.spawn = ["${pkgs.nushell}/bin/nu" "/home/chris/nirilof emacs 'emacslient -c'"];
-        "Mod+O".action = toggle-overview;
+        "Super+Return".action.spawn = "alacritty";
-        "Mod+F".action = fullscreen-window;
+        "Super+B".action = spawn ["${pkgs.nushell}/bin/nu" "/home/chris/nirilof org.qutebrowser.qutebrowser qutebrowser"];
-        "Mod+M".action = toggle-windowed-fullscreen;
+        "Super+Space".action.spawn = "cosmic-launcher";
-        "Mod+C".action = close-window;
+        "Super+V".action= spawn ["${pkgs.fish}/bin/fish" "-c" "${pkgs.cliphist}/bin/cliphist list | ${pkgs.rofi-wayland}/bin/rofi -p '󱃔 ' -dmenu | ${pkgs.cliphist}/bin/cliphist decode | ${pkgs.wl-clipboard}/bin/wl-copy"];
-        "Mod+Left".action = focus-column-left;
+        "Super+I".action.spawn = ["alacritty" "--class" "btm" "-e" "btm"];
-        "Mod+Right".action = focus-column-right;
+        "Super+A".action.spawn = ["alacritty" "--class" "pulsemixer" "-e" "pulsemixer"];
+        "Super+Shift+Q".action = quit;
+        "Super+O".action = toggle-overview;
+        "Super+F".action = fullscreen-window;
+        "Super+Shift+F".action = toggle-windowed-fullscreen;
+        "Super+C".action = close-window;
+        "Super+Shift+C".action = center-window;
+        "Super+P".action.spawn = "/home/chris/bin/rbw.sh";
+        "Super+Left".action = focus-column-left;
+        "Super+H".action = focus-column-left;
+        "Super+Shift+H".action = move-column-left;
+        "Super+Right".action = focus-column-right;
+        "Super+L".action = focus-column-right;
+        "Super+Shift+L".action = move-column-right;
+        "Super+Ctrl+L".action = set-column-width "+10%";
+        "Super+Ctrl+H".action = set-column-width "-10%";
+        "Super+M".action = maximize-column;
+        "Super+W".action = switch-preset-column-width;
+        "Super+Comma".action = consume-or-expel-window-left;
+        "Super+Period".action = consume-or-expel-window-right;
       };
       spawn-at-startup = [
+        { argv = ["${pkgs.xwayland-satellite}/bin/xwayland-satellite"]; }
         { argv = ["waybar"]; }
+        { argv = ["cosmic-osd"]; }
         { argv = ["kwalled6"]; }
         { argv = ["swww-daemon"]; }
         { argv = ["rbw-agent"]; }
@@ -38,29 +112,47 @@ in
         };
       };
       window-rules = [
-        all = {
+        {
           geometry-corner-radius = {
-            top-left = 18;
+            top-left = 16.0;
-            top-right = 18;
+            top-right = 16.0;
-            bottom-left = 18;
+            bottom-left = 16.0;
-            bottom-right = 18;
+            bottom-right = 16.0;
           };
-        };
+          clip-to-geometry = true;
-        emacs = {
+          draw-border-with-background = false;
-          matches.app-id = "emacs";
+        }
+        {
+          matches = [ {app-id = "emacs";} ];
           open-on-workspace = "main";
-        };
+        }
-        browser = {
+        {
-          matches.app-id = "org.qutebrowser.qutebrowser";
+          matches = [{app-id = "org.qutebrowser.qutebrowser";}];
-          open-on-workspace = "main";
-        };
-        cosmic-files = {
-          matches.app-id = "com.system76.CosmicFiles";
           open-on-workspace = "main";
+        }
+        {
+          matches = [{app-id = "com.system76.CosmicFiles";}];
           open-floating = true;
-        };
+        }
+        {
+          matches = [{app-id = "btm";}];
+          open-floating = true;
+          default-column-width.proportion = 0.7;
+          default-window-height.proportion = 0.7;
+        }
+        {
+          matches = [{app-id = "pulsemixer";}];
+          open-floating = true;
+        }
       ];
       layout = {
+        center-focused-column = "never";
+        preset-column-widths = [
+          { proportion = 1. / 3.; }
+          { proportion = 1. / 2.; }
+          { proportion = 2. / 3.; }
+          { proportion = 1. / 1.; }
+        ];
         gaps = 15;
         struts = {
           bottom = 5;
@@ -71,11 +163,20 @@ in
         shadow = {
           enable = true;
           draw-behind-window = false;
+          inactive-color = "#00000000";
+          softness = 10;
+          spread = 15;
         };
         border = {
+          enable = false;
+          width = 4;
+          active = { color = "#57c7ff"; };
+          inactive = { color = "#5af78e"; };
+        };
+        focus-ring = {
           enable = true;
           width = 4;
-          
+          active = { color = "#5af78e"; };
         };
       };
       screenshot-path = "~/pics/screenshot_%Y-%m-%d_%H-%M-%S.png";
@@ -87,11 +188,11 @@ in
       outputs = {
         "eDP-1" = {
           enable = true;
+          name = "A";
           mode = {
             height = 1504;
             width = 2256;
-            refresh = 60;
+            refresh = 60.0;
-            name = "A";
           };
         };
       };

modules/desktop.nix

@@ -77,30 +77,98 @@ in
   };
 
   services.displayManager.cosmic-greeter = {
-    enable = false;
+    enable = true;
   };
 
-  services.greetd = {
+  # services.greetd = {
-    enable = true;
+  #   enable = true;
-    settings = rec {
+  #   settings = rec {
-      initial_session = {
+  #     initial_session = {
-        command = "uwsm start hyprland-uwsm.desktop";
+  #       command = "uwsm start hyprland-uwsm.desktop";
-        user = "chris";
+  #       user = "chris";
-      };
+  #     };
-      default_session = {
+  #     default_session = {
-        command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time -r --window-padding 2 --cmd 'uwsm start hyprland-uwsm.desktop' -s /etc/greetd/environments";
+  #       command = "${pkgs.greetd.tuigreet}/bin/tuigreet --time -r --window-padding 2 --cmd 'uwsm start hyprland-uwsm.desktop' -s /etc/greetd/environments";
-        user = "greeter";
+  #       user = "greeter";
-      };
+  #     };
-      cosmic_session = {
+  #     cosmic_session = {
-        command = "start-cosmic";
+  #       command = "start-cosmic";
-        user = "chris";
+  #       user = "chris";
-      };
+  #     };
-      hyprland_session = {
+  #     hyprland_session = {
-        command = "uwsm start hyprland-uwsm.desktop";
+  #       command = "uwsm start hyprland-uwsm.desktop";
-        user = "chris";
+  #       user = "chris";
-      };
+  #     };
-    };
+  #   };
-  };
+  # };
+
+  services.displayManager.sessionPackages = [
+    ((pkgs.writeTextFile {
+      name = "cosmic-on-niri";
+      destination = "/share/wayland-sessions/COSMIC-on-niri.desktop";
+      text = ''
+        [Desktop Entry]
+        Name=COSMIC-on-niri
+        Comment=This session logs you into the COSMIC desktop on niri
+        Type=Application
+        DesktopNames=niri
+        Exec=${pkgs.writeShellApplication {
+                       name = "start-cosmic-ext-niri";
+                       runtimeInputs = [ pkgs.systemd pkgs.dbus pkgs.cosmic-session pkgs.bash pkgs.coreutils ];
+                       text = ''
+            set -e
+            # From: https://people.debian.org/~mpitt/systemd.conf-2016-graphical-session.pdf
+            if command -v systemctl >/dev/null; then
+                # robustness: if the previous graphical session left some failed units,
+                # reset them so that they don't break this startup
+                for unit in $(systemctl --user --no-legend --state=failed --plain list-units | cut -f1 -d' '); do
+                    partof="$(systemctl --user show -p PartOf --value "$unit")"
+                    for target in cosmic-session.target graphical-session.target; do
+                        if [ "$partof" = "$target" ]; then
+                            systemctl --user reset-failed "$unit"
+                            break
+                        fi
+                    done
+                done
+            fi
+            # use the user's preferred shell to acquire environment variables
+            # see: https://github.com/pop-os/cosmic-session/issues/23
+            if [ -n "''${SHELL:-}" ]; then
+                # --in-login-shell: our flag to indicate that we don't need to recurse any further
+                if [ "''${1:-}" != "--in-login-shell" ]; then
+                    # `exec -l`: like `login`, prefixes $SHELL with a hyphen to start a login shell
+                    exec bash -c "exec -l ${"'"}''${SHELL}' -c ${"'"}''${0} --in-login-shell'"
+                fi
+            fi
+            export XDG_CURRENT_DESKTOP="''${XDG_CURRENT_DESKTOP:=niri}"
+            export XDG_SESSION_TYPE="''${XDG_SESSION_TYPE:=wayland}"
+            export XCURSOR_THEME="''${XCURSOR_THEME:=Cosmic}"
+            export _JAVA_AWT_WM_NONREPARENTING=1
+            export GDK_BACKEND=wayland,x11
+            export MOZ_ENABLE_WAYLAND=1
+            export QT_QPA_PLATFORM="wayland;xcb"
+            export QT_AUTO_SCREEN_SCALE_FACTOR=1
+            export QT_ENABLE_HIGHDPI_SCALING=1
+            if command -v systemctl >/dev/null; then
+                # set environment variables for new units started by user service manager
+                systemctl --user import-environment XDG_SESSION_TYPE XDG_CURRENT_DESKTOP
+            fi
+            # Run cosmic-session
+            if [[ -z "''${DBUS_SESSION_BUS_ADDRESS}" ]]; then
+                exec dbus-run-session -- cosmic-session niri
+            else
+                exec cosmic-session niri
+            fi
+          '';
+                     }}/bin/start-cosmic-ext-niri
+      '';
+    }
+
+    ).overrideAttrs
+      (old: {
+        passthru.providedSessions = [ "COSMIC-on-niri" ];
+      }))
+  ];
 
   programs.regreet = { enable = true; };
 

pkgs/desktop-packages.nix

@@ -173,6 +173,8 @@
     esptool
     wireguard-tools
     # cosmic-ext-examine
+    cosmic-settings
+    xwayland-satellite
     aider-chat
     wgsl-analyzer
   ];

scripts/nirilof

@@ -0,0 +1,15 @@
+#/usr/bin/env nu
+
+def main [app: string, command: string] {
+  let open = try {
+    niri msg --json windows | from json | where app_id == $app | get id | first
+  } catch {
+    0
+  }
+
+  if $open > 0 {
+    niri msg action focus-window --id $open
+  } else {
+    bash -c $"($command) &"
+  }
+}