Add Hyprland rofi layout selector

dotfiles/config/hypr/hyprland.lua

@@ -728,6 +728,22 @@ local function set_layout(layout)
   end
 end
 
+_G.im_hyprland_set_layout = function(layout)
+  if not layout_names[layout] then
+    hl.notification.create({
+      text = "Unknown layout: " .. tostring(layout),
+      duration = 1800,
+      icon = notification_icons.warning,
+      color = "rgba(edb443ff)",
+      font_size = 13,
+    })
+    return
+  end
+
+  set_layout(layout)
+  notify_layout(layout)
+end
+
 local function sync_layout_for_active_workspace()
   current_layout = current_workspace_layout()
   hl.config({ general = { layout = hyprland_layout(current_layout) } })
@@ -2308,6 +2324,7 @@ bind(hyper .. " + P", exec("rofi-pass"))
 bind(hyper .. " + H", exec([[grim -g "$(slurp)" - | swappy -f -]]))
 bind(hyper .. " + C", exec("rofi_tmcodex.sh"))
 bind(hyper .. " + SHIFT + L", exec("hyprlock"))
+bind(hyper .. " + L", exec("hypr_rofi_layout"))
 bind(hyper .. " + K", exec("rofi_kill_process.sh"))
 bind(hyper .. " + SHIFT + K", exec("rofi_kill_all.sh"))
 bind(hyper .. " + R", exec("rofi-systemd"))

dotfiles/lib/bin/hypr_rofi_layout

@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ensure_hyprland_instance() {
+  if [[ -n "${HYPRLAND_INSTANCE_SIGNATURE:-}" ]]; then
+    return
+  fi
+
+  local runtime="${XDG_RUNTIME_DIR:-/run/user/$(id -u)}"
+  local hypr_dir="$runtime/hypr"
+  if [[ ! -d "$hypr_dir" ]]; then
+    return
+  fi
+
+  local socket_dir
+  socket_dir="$(
+    find "$hypr_dir" -mindepth 2 -maxdepth 2 -name .socket.sock -printf '%T@ %h\n' 2>/dev/null |
+      sort -nr |
+      awk 'NR == 1 { print $2 }'
+  )"
+
+  if [[ -n "$socket_dir" ]]; then
+    export HYPRLAND_INSTANCE_SIGNATURE="${socket_dir##*/}"
+  fi
+}
+
+current_layout() {
+  local state_file="${XDG_RUNTIME_DIR:-}/hyprland-layout-state"
+  if [[ -r "$state_file" ]]; then
+    awk -F= '$1 == "layout" { print $2; exit }' "$state_file"
+  fi
+}
+
+ensure_hyprland_instance
+
+layouts=(
+  "nStack	Columns"
+  "master	Large main"
+  "grid	Grid"
+  "monocle	Monocle"
+)
+
+current="$(current_layout || true)"
+selected_row=0
+labels=()
+
+for index in "${!layouts[@]}"; do
+  layout="${layouts[$index]%%$'\t'*}"
+  label="${layouts[$index]#*$'\t'}"
+  labels+=("$label")
+
+  if [[ "$layout" == "$current" ]]; then
+    selected_row="$index"
+  fi
+done
+
+selection="$(
+  printf '%s\n' "${labels[@]}" |
+    rofi -dmenu -i -p "Layout" -selected-row "$selected_row"
+)" || exit 0
+
+for entry in "${layouts[@]}"; do
+  layout="${entry%%$'\t'*}"
+  label="${entry#*$'\t'}"
+
+  if [[ "$label" == "$selection" ]]; then
+    hyprctl dispatch "_G.im_hyprland_set_layout(\"$layout\")" >/dev/null
+    exit 0
+  fi
+done

nixos/hyprland.nix

@@ -116,6 +116,19 @@
       exec ${../dotfiles/lib/bin/hypr_shell_ui} "$@"
     '';
   };
+  hyprRofiLayout = pkgs.writeShellApplication {
+    name = "hypr_rofi_layout";
+    runtimeInputs = [
+      pkgs.coreutils
+      pkgs.findutils
+      pkgs.gawk
+      pkgs.rofi
+      hyprlandPackage
+    ];
+    text = ''
+      exec ${../dotfiles/lib/bin/hypr_rofi_layout} "$@"
+    '';
+  };
   hyprscratchSettings = {
     daemon_options = "clean";
     global_options = "";
@@ -267,6 +280,7 @@
         ddcutil # Monitor input switching over DDC/CI
 
         # For scripts
+        hyprRofiLayout
         hyprRofiWindow
         hyprShellUi
         jq