From af99b4960a9bf1043234354d685ed23818c14aaa Mon Sep 17 00:00:00 2001
From: Alexander Kassouni <alex@kassouni.net>
Date: Sat, 29 Aug 2026 23:53:40 -0700
Subject: new laptop

---
 users/kassouni/palette/bluetooth.nix     | 80 ++++++++++++++++++++++++++++++++
 users/kassouni/palette/default.nix       | 54 +++++++++++++++++----
 users/kassouni/palette/kbd-backlight.nix | 20 ++++++++
 users/kassouni/palette/reboot.nix        | 18 ++++---
 users/kassouni/palette/rebuild.nix       | 40 +++++++++-------
 users/kassouni/palette/screenshot.nix    | 18 ++++---
 users/kassouni/palette/shutdown.nix      | 18 ++++---
 7 files changed, 201 insertions(+), 47 deletions(-)
 create mode 100644 users/kassouni/palette/bluetooth.nix
 create mode 100644 users/kassouni/palette/kbd-backlight.nix

(limited to 'users/kassouni/palette')

diff --git a/users/kassouni/palette/bluetooth.nix b/users/kassouni/palette/bluetooth.nix
new file mode 100644
index 0000000..58cdf2f
--- /dev/null
+++ b/users/kassouni/palette/bluetooth.nix
@@ -0,0 +1,80 @@
+{ pkgs, config, ...}:
+{
+
+  kassouni.palette.commands = [
+    {
+      name = "toggle bluetooth device";
+      icon = "󰂯";
+      # `jc --bluetoothctl` turns `bluetoothctl devices` into JSON, so the menu is
+      # built from parsed records rather than by splitting "Device <addr> <name>"
+      # lines. That subcommand leaves every status field empty, so connectedness
+      # comes from a second `devices Connected` call intersected on address.
+      exe = pkgs.writers.writePython3 "bluetooth-toggle" {
+        # The interpolated store paths below are longer than 79 columns.
+        flakeIgnore = [ "E501" ];
+      } ''
+        import html
+        import json
+        import subprocess
+        import sys
+
+        BT = "${pkgs.bluez}/bin/bluetoothctl"
+        JC = "${pkgs.jc}/bin/jc"
+        ROFI = "${pkgs.rofi}/bin/rofi"
+
+
+        def devices(*args):
+            """Parse `bluetoothctl devices [args]` into a list of records."""
+            listed = subprocess.run(
+                [BT, "devices", *args], capture_output=True, text=True
+            )
+            parsed = subprocess.run(
+                [JC, "--bluetoothctl"],
+                input=listed.stdout,
+                capture_output=True,
+                text=True,
+            )
+            return json.loads(parsed.stdout or "[]")
+
+
+        def label(device, connected):
+            """Pango markup row. Names are escaped, they are not our text."""
+            name = html.escape(device["name"])
+            if device["address"] in connected:
+                name += ' <span alpha="45%">connected</span>'
+            return name
+
+
+        def main():
+            known = devices()
+            if not known:
+                return 0
+
+            # Older bluez has no `devices Connected`; that call just comes back
+            # empty there, which degrades to "nothing is connected".
+            connected = {d["address"] for d in devices("Connected")}
+
+            rows = [label(d, connected) for d in known]
+            choice = subprocess.run(
+                [ROFI, "-dmenu", "-i", "-markup-rows", "-format", "i",
+                 "-p", "bluetooth"],
+                input="\n".join(rows),
+                capture_output=True,
+                text=True,
+            )
+            if choice.returncode != 0:
+                return 1
+
+            device = known[int(choice.stdout.strip())]
+            action = (
+                "disconnect" if device["address"] in connected else "connect"
+            )
+            return subprocess.run([BT, action, device["address"]]).returncode
+
+
+        if __name__ == "__main__":
+            sys.exit(main())
+      '';
+    }
+  ];
+}
diff --git a/users/kassouni/palette/default.nix b/users/kassouni/palette/default.nix
index 235f774..7e9eec4 100644
--- a/users/kassouni/palette/default.nix
+++ b/users/kassouni/palette/default.nix
@@ -1,18 +1,56 @@
-{ pkgs, lib, ... }:
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
 let
-  commandFiles = lib.attrNames (
-    lib.filterAttrs (name: type: type == "regular" && name != "default.nix" && lib.hasSuffix ".nix" name)
-      (builtins.readDir ./.)
+  cfg = config.kassouni.palette;
+
+  # Every sibling .nix file is an ordinary home-manager module that appends to
+  # kassouni.palette.commands, so dropping a file in here adds an entry.
+  commandModules = map (file: ./. + "/${file}") (
+    lib.attrNames (
+      lib.filterAttrs (name: type: type == "regular" && name != "default.nix" && lib.hasSuffix ".nix" name)
+        (builtins.readDir ./.)
+    )
   );
-  commands = map (file: pkgs.callPackage (./. + "/${file}") { }) commandFiles;
 in
 {
-  home.packages = [
+  imports = commandModules;
+
+  options.kassouni.palette.commands = lib.mkOption {
+    type = lib.types.listOf (
+      lib.types.submodule {
+        options = {
+          name = lib.mkOption {
+            type = lib.types.str;
+            description = "Label shown in the palette menu.";
+          };
+          icon = lib.mkOption {
+            type = lib.types.str;
+            description = "Nerd Font glyph shown before the label.";
+          };
+          exe = lib.mkOption {
+            type = lib.types.package;
+            description = "Executable to run when the entry is selected.";
+          };
+        };
+      }
+    );
+    default = [ ];
+    description = ''
+      Entries shown in the rofi command palette. Menu order follows module
+      import order, which is alphabetical by filename.
+    '';
+  };
+
+  config.home.packages = [
     (pkgs.writers.writeBashBin "open-palette" ''
       set -eu
-      exes=(${lib.concatMapStringsSep " " (c: c.exe) commands})
+      exes=(${lib.concatMapStringsSep " " (c: "${c.exe}") cfg.commands})
       idx=$(${pkgs.rofi}/bin/rofi -dmenu -i -format i -p palette <<EOF
-${lib.concatMapStrings (c: "${c.icon} ${c.name}\n") commands}EOF
+${lib.concatMapStrings (c: "${c.icon} ${c.name}\n") cfg.commands}EOF
       )
       exec "''${exes[$idx]}"
     '')
diff --git a/users/kassouni/palette/kbd-backlight.nix b/users/kassouni/palette/kbd-backlight.nix
new file mode 100644
index 0000000..9da0fb9
--- /dev/null
+++ b/users/kassouni/palette/kbd-backlight.nix
@@ -0,0 +1,20 @@
+{ pkgs, ... }:
+{
+  kassouni.palette.commands = [
+    {
+      name = "toggle keyboard backlight";
+      icon = "󰌌";
+      # The leds sysfs node is group-writable by `video`, which kassouni is in, so
+      # this needs no root. Toggle between off and full rather than cycling levels.
+      exe = pkgs.writers.writeBash "kbd-backlight" ''
+        set -eu
+        dev=framework_laptop::kbd_backlight
+        if [ "$(${pkgs.brightnessctl}/bin/brightnessctl -d "$dev" get)" -gt 0 ]; then
+          ${pkgs.brightnessctl}/bin/brightnessctl -d "$dev" set 0
+        else
+          ${pkgs.brightnessctl}/bin/brightnessctl -d "$dev" set 100%
+        fi
+      '';
+    }
+  ];
+}
diff --git a/users/kassouni/palette/reboot.nix b/users/kassouni/palette/reboot.nix
index bc25ef4..09b2efe 100644
--- a/users/kassouni/palette/reboot.nix
+++ b/users/kassouni/palette/reboot.nix
@@ -1,9 +1,13 @@
-{ writers, systemd }:
+{ pkgs, ... }:
 {
-  name = "reboot";
-  icon = "󰑐";
-  exe = writers.writeBash "reboot" ''
-    set -eu
-    exec ${systemd}/bin/systemctl reboot
-  '';
+  kassouni.palette.commands = [
+    {
+      name = "reboot";
+      icon = "󰑐";
+      exe = pkgs.writers.writeBash "reboot" ''
+        set -eu
+        exec ${pkgs.systemd}/bin/systemctl reboot
+      '';
+    }
+  ];
 }
diff --git a/users/kassouni/palette/rebuild.nix b/users/kassouni/palette/rebuild.nix
index e42a7c5..edffa6b 100644
--- a/users/kassouni/palette/rebuild.nix
+++ b/users/kassouni/palette/rebuild.nix
@@ -1,20 +1,24 @@
-{ writers, ghostty }:
+{ pkgs, ... }:
 {
-  name = "rebuild";
-  icon = "󱄅";
-  # Rebuilds need a terminal: sudo prompts for a password and nixos-rebuild
-  # streams a lot of output. Spawn ghostty with a login shell so it inherits
-  # the system sudo (setuid) and the user's nix from PATH. Mirrors `make rebuild`.
-  exe = writers.writeBash "rebuild" ''
-    set -eu
-    exec ${ghostty}/bin/ghostty -e bash -lc '
-      set -eu
-      cd /home/kassouni/Developer/nixos-config
-      nix flake update xmonad-config
-      sudo nixos-rebuild switch --flake .
-      echo
-      echo "Rebuild finished. Press enter to close."
-      read -r _
-    '
-  '';
+  kassouni.palette.commands = [
+    {
+      name = "rebuild";
+      icon = "󱄅";
+      # Rebuilds need a terminal: sudo prompts for a password and nixos-rebuild
+      # streams a lot of output. Spawn ghostty with a login shell so it inherits
+      # the system sudo (setuid) and the user's nix from PATH. Mirrors `make rebuild`.
+      exe = pkgs.writers.writeBash "rebuild" ''
+        set -eu
+        exec ${pkgs.ghostty}/bin/ghostty -e bash -lc '
+          set -eu
+          cd /home/kassouni/Developer/nixos-config
+          nix flake update xmonad-config
+          sudo nixos-rebuild switch --flake .
+          echo
+          echo "Rebuild finished. Press enter to close."
+          read -r _
+        '
+      '';
+    }
+  ];
 }
diff --git a/users/kassouni/palette/screenshot.nix b/users/kassouni/palette/screenshot.nix
index 6f2beea..00d11d1 100644
--- a/users/kassouni/palette/screenshot.nix
+++ b/users/kassouni/palette/screenshot.nix
@@ -1,9 +1,13 @@
-{ writers, maim, xclip }:
+{ pkgs, ... }:
 {
-  name = "screenshot";
-  icon = "󰹑";
-  exe = writers.writeBash "screenshot" ''
-    set -eu
-    ${maim}/bin/maim -s | ${xclip}/bin/xclip -selection clipboard -t image/png
-  '';
+  kassouni.palette.commands = [
+    {
+      name = "screenshot";
+      icon = "󰹑";
+      exe = pkgs.writers.writeBash "screenshot" ''
+        set -eu
+        ${pkgs.maim}/bin/maim -s | ${pkgs.xclip}/bin/xclip -selection clipboard -t image/png
+      '';
+    }
+  ];
 }
diff --git a/users/kassouni/palette/shutdown.nix b/users/kassouni/palette/shutdown.nix
index 2db9425..28f8d8f 100644
--- a/users/kassouni/palette/shutdown.nix
+++ b/users/kassouni/palette/shutdown.nix
@@ -1,9 +1,13 @@
-{ writers, systemd }:
+{ pkgs, ... }:
 {
-  name = "shutdown";
-  icon = "󰐥";
-  exe = writers.writeBash "shutdown" ''
-    set -eu
-    exec ${systemd}/bin/systemctl poweroff
-  '';
+  kassouni.palette.commands = [
+    {
+      name = "shutdown";
+      icon = "󰐥";
+      exe = pkgs.writers.writeBash "shutdown" ''
+        set -eu
+        exec ${pkgs.systemd}/bin/systemctl poweroff
+      '';
+    }
+  ];
 }
-- 
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