1 files changed, 29 insertions, 0 deletions

diff --git a/users/ryan/modules/sketchybar/bar-config/plugins/brightness.sh b/users/ryan/modules/sketchybar/bar-config/plugins/brightness.sh
new file mode 100755
index 0000000..87a245f
--- /dev/null
+++ b/users/ryan/modules/sketchybar/bar-config/plugins/brightness.sh
@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+# backlight -> brightness. Requires the `brightness` CLI (brew install brightness).
+# NOTE: reading/writing internal-display brightness is unreliable on Apple Silicon;
+# the item hides itself if the tool or a readable value is unavailable.
+source "$CONFIG_DIR/colors.sh"
+source "$CONFIG_DIR/icons.sh"
+
+command -v brightness >/dev/null 2>&1 || { sketchybar --set "$NAME" drawing=off; exit 0; }
+
+read_val() { brightness -l 2>/dev/null | awk '/display 0: brightness/{print $NF}'; }
+
+if [ "$SENDER" = "mouse.scrolled" ] && command -v bc >/dev/null 2>&1; then
+  CUR="$(read_val)"
+  if [ -n "$CUR" ]; then
+    case "$INFO" in
+      -*) brightness "$(echo "$CUR - 0.05" | bc)" 2>/dev/null ;;   # scroll down
+      *)  brightness "$(echo "$CUR + 0.05" | bc)" 2>/dev/null ;;   # scroll up
+    esac
+  fi
+fi
+
+CUR="$(read_val)"
+[ -z "$CUR" ] && { sketchybar --set "$NAME" drawing=off; exit 0; }
+PCT="$(printf '%.0f' "$(echo "$CUR * 100" | bc -l 2>/dev/null)" 2>/dev/null)"
+[ -z "$PCT" ] && PCT=0
+
+if [ "$PCT" -ge 50 ]; then ICON=$BL_HIGH; else ICON=$BL_LOW; fi
+# Waybar: {percent}% {icon}
+sketchybar --set "$NAME" drawing=on label="${PCT}% ${ICON}"