Add NeoWall wallpaper integration

dotfiles/config/hypr/hyprland.lua

@@ -2092,6 +2092,7 @@ bind(hyper .. " + backslash", exec("/home/imalison/dotfiles/dotfiles/lib/functio
 bind(hyper .. " + SHIFT + backslash", workspacehistory("debug"))
 bind(hyper .. " + O", exec("rofi_paswitch"))
 bind(hyper .. " + comma", exec("rofi_wallpaper.sh"))
+bind(hyper .. " + SHIFT + comma", exec("/home/imalison/dotfiles/dotfiles/lib/bin/neowall-wallpaper toggle"))
 bind(hyper .. " + Y", exec("rofi_agentic_skill"))
 bind(main_mod .. " + R", exec("hyprctl reload"))
 

dotfiles/config/neowall/config.vibe

@@ -0,0 +1,7 @@
+default {
+  shader /run/current-system/sw/share/neowall/shaders/train_journey_optimized.glsl
+  shader_speed 0.7
+  shader_fps 30
+  mode fill
+  duration 0
+}

dotfiles/config/neowall/screensaver.vibe

@@ -0,0 +1,7 @@
+default {
+  shader /run/current-system/sw/share/neowall/shaders/matrix_rain.glsl
+  shader_speed 0.85
+  shader_fps 30
+  mode fill
+  duration 0
+}

dotfiles/lib/bin/hypr-screensaver

@@ -4,12 +4,15 @@ set -euo pipefail
 
 state_dir="${XDG_RUNTIME_DIR:-/tmp}/hypr-screensaver"
 pid_file="$state_dir/mpvpaper.pid"
+neowall_pid_file="$state_dir/neowall.pid"
 event_log="$state_dir/events.log"
 mkdir -p "$state_dir"
 
 title_prefix="hypr-screensaver:"
+backend="${HYPR_SCREENSAVER_BACKEND:-mpvpaper}"
 screensaver_dir="${HYPR_SCREENSAVER_DIR:-/var/lib/syncthing/sync/Screensaver}"
 screensaver_use_dir="${HYPR_SCREENSAVER_USE_DIR:-$screensaver_dir/use}"
+neowall_config="${HYPR_SCREENSAVER_NEOWALL_CONFIG:-${XDG_CONFIG_HOME:-$HOME/.config}/neowall/screensaver.vibe}"
 
 usage() {
   cat <<'EOF'
@@ -44,6 +47,13 @@ with:
   HYPR_SCREENSAVER_HDR_MODE=auto
   HYPR_SCREENSAVER_HDR_MODE=sdr
   HYPR_SCREENSAVER_HDR_MODE=hdr
+
+Backend selection:
+  HYPR_SCREENSAVER_BACKEND=mpvpaper
+  HYPR_SCREENSAVER_BACKEND=neowall
+
+The neowall backend is a wallpaper-layer experiment. It does not cover existing
+windows like mpvpaper's overlay layer.
 EOF
 }
 
@@ -64,6 +74,11 @@ legacy_screensaver_window_pids() {
 }
 
 is_running() {
+  if [ "$backend" = "neowall" ]; then
+    neowall_is_running
+    return
+  fi
+
   local pid
   if [ -f "$pid_file" ]; then
     pid="$(<"$pid_file")"
@@ -76,6 +91,19 @@ is_running() {
   return 1
 }
 
+neowall_is_running() {
+  if [ -f "$neowall_pid_file" ]; then
+    local pid
+    pid="$(<"$neowall_pid_file")"
+    if kill -0 "$pid" 2>/dev/null; then
+      return 0
+    fi
+    rm -f "$neowall_pid_file"
+  fi
+
+  return 1
+}
+
 default_source() {
   local size width height
   size="$(
@@ -174,7 +202,44 @@ run_mpvpaper() {
   exec nix shell nixpkgs#mpvpaper --command mpvpaper "$@"
 }
 
-start() {
+run_neowall() {
+  if command -v neowall >/dev/null 2>&1; then
+    neowall "$@"
+    return
+  fi
+
+  nix shell nixpkgs#neowall --command neowall "$@"
+}
+
+start_neowall() {
+  local pid
+
+  if neowall_is_running; then
+    log_event "neowall start ignored: already running pid=$(<"$neowall_pid_file")"
+    exit 0
+  fi
+
+  if [ ! -r "$neowall_config" ]; then
+    printf 'NeoWall screensaver config not found: %s\n' "$neowall_config" >&2
+    return 1
+  fi
+
+  stop
+  systemctl --user stop hyprpaper.service >/dev/null 2>&1 || true
+  run_neowall -c "$neowall_config" >>"$state_dir/neowall.log" 2>&1
+
+  sleep 0.2
+  pid="$(pgrep -n -x neowall || true)"
+  if [ -z "$pid" ]; then
+    log_event "neowall start failed: no neowall process found"
+    return 1
+  fi
+
+  printf '%s\n' "$pid" > "$neowall_pid_file"
+  log_event "neowall start ok pid=$pid config=$neowall_config"
+}
+
+start_mpvpaper() {
   local source output layer options pid
 
   if is_running; then
@@ -212,7 +277,22 @@ start() {
   log_event "start ok pid=$pid"
 }
 
-stop() {
+start() {
+  case "$backend" in
+    mpvpaper)
+      start_mpvpaper
+      ;;
+    neowall)
+      start_neowall
+      ;;
+    *)
+      printf 'Invalid HYPR_SCREENSAVER_BACKEND=%s; expected mpvpaper or neowall\n' "$backend" >&2
+      exit 2
+      ;;
+  esac
+}
+
+stop_mpvpaper() {
   local pid legacy_pid
 
   if [ -f "$pid_file" ]; then
@@ -231,6 +311,20 @@ stop() {
   done
 }
 
+stop_neowall() {
+  if [ -f "$neowall_pid_file" ]; then
+    log_event "neowall stop pid=$(<"$neowall_pid_file")"
+    run_neowall kill >/dev/null 2>&1 || pkill -TERM -x neowall >/dev/null 2>&1 || true
+    rm -f "$neowall_pid_file"
+    systemctl --user start hyprpaper.service >/dev/null 2>&1 || true
+  fi
+}
+
+stop() {
+  stop_mpvpaper
+  stop_neowall
+}
+
 status() {
   is_running
 }

dotfiles/lib/bin/neowall-wallpaper

@@ -0,0 +1,107 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+config_dir="${XDG_CONFIG_HOME:-$HOME/.config}/neowall"
+config="${NEOWALL_WALLPAPER_CONFIG:-$config_dir/config.vibe}"
+
+usage() {
+  cat <<'EOF'
+Usage: neowall-wallpaper <start|stop|toggle|status|next|list|current|static>
+
+Commands:
+  start    Stop hyprpaper and start NeoWall with ~/.config/neowall/config.vibe.
+  stop     Stop NeoWall and restart hyprpaper.
+  toggle   Switch between NeoWall and hyprpaper.
+  status   Exit 0 if NeoWall is running, otherwise exit 1.
+  next     Ask NeoWall to advance to the next configured wallpaper.
+  list     List NeoWall's current cycle.
+  current  Show NeoWall's current wallpaper.
+  static   Alias for stop.
+
+Override the config with:
+  NEOWALL_WALLPAPER_CONFIG=/path/to/config.vibe neowall-wallpaper start
+EOF
+}
+
+notify() {
+  if command -v notify-send >/dev/null 2>&1; then
+    notify-send "NeoWall" "$1"
+  else
+    printf '%s\n' "$1" >&2
+  fi
+}
+
+run_neowall() {
+  if command -v neowall >/dev/null 2>&1; then
+    neowall "$@"
+    return
+  fi
+
+  nix shell nixpkgs#neowall --command neowall "$@"
+}
+
+is_running() {
+  pgrep -x neowall >/dev/null 2>&1
+}
+
+stop_hyprpaper() {
+  systemctl --user stop hyprpaper.service >/dev/null 2>&1 || true
+}
+
+start_hyprpaper() {
+  systemctl --user start hyprpaper.service >/dev/null 2>&1 || true
+}
+
+stop_neowall() {
+  if is_running; then
+    run_neowall kill >/dev/null 2>&1 || pkill -TERM -x neowall >/dev/null 2>&1 || true
+  fi
+}
+
+start() {
+  if [ ! -r "$config" ]; then
+    notify "Config not found: $config"
+    exit 1
+  fi
+
+  stop_hyprpaper
+  stop_neowall
+  run_neowall -c "$config"
+  notify "Live wallpaper started"
+}
+
+stop() {
+  stop_neowall
+  start_hyprpaper
+  notify "Static wallpaper restored"
+}
+
+case "${1:-}" in
+  start)
+    start
+    ;;
+  stop|static)
+    stop
+    ;;
+  toggle)
+    if is_running; then
+      stop
+    else
+      start
+    fi
+    ;;
+  status)
+    is_running
+    ;;
+  next|list|current)
+    run_neowall "$1"
+    ;;
+  ""|-h|--help|help)
+    usage
+    ;;
+  *)
+    usage >&2
+    exit 2
+    ;;
+esac

nixos/hyprland.nix

@@ -256,6 +256,7 @@
       [
         # Hyprland utilities
         hyprpaper # Wallpaper
+        neowall # Shader wallpaper
         hypridle # Idle daemon
         hyprlock # Screen locker
         hyprcursor # Cursor themes