Added brightness notifications

config/grapheio/scripts/brightness.sh

@@ -0,0 +1,72 @@
+#!/usr/bin/env bash
+
+# Dependencies:
+# - amixer
+# - pactl
+# - jq
+# - libnotify
+
+ACTION=$1
+
+get_brightness() {
+    brightnessctl | \
+        grep "Current brightness" | \
+        sed -e 's/^\s\+Current brightness: [0-9]\+ (\([0-9]\+\)%).*$/\1/'
+}
+
+get_kb_brightness() {
+    brightnessctl -d platform::kbd_backlight | \
+        grep "Current brightness" | \
+        sed -e 's/^\s\+Current brightness: [0-9]\+ (\([0-9]\+\)%).*$/\1/'
+}
+
+notify() {
+    notify-send "$1" "$2" -e -t 1500 -h string:x-canonical-private-synchronous:brightness
+}
+
+set_brightness() {
+    # Set the brightness
+    TARGET=$1
+    brightnessctl set $TARGET > /dev/null
+
+    # Send a notification
+    BRIGHTNESS=$(get_brightness)
+    ACTION=$([[ ${TARGET:0:1} == "+" ]] && echo "Brightness Up" || echo "Brightness Down")
+
+    BRIGHTNESS_ICON="󰃠"
+
+    TITLE=$(echo "$BRIGHTNESS_ICON $ACTION")
+    BODY=$(echo "$BRIGHTNESS%")
+    notify "$TITLE" "$BODY"
+}
+
+set_kb_brightness() {
+    # Set the brightness
+    TARGET=$1
+    brightnessctl -d platform::kbd_backlight set $TARGET > /dev/null
+
+    # Send a notification
+    BRIGHTNESS=$(get_kb_brightness)
+    ACTION=$([[ ${TARGET:0:1} == "+" ]] && echo "Keyboard brightness Up" || echo "Keyboard brightness Down")
+
+    BRIGHTNESS_ICON="󰃠"
+
+    TITLE=$(echo "$BRIGHTNESS_ICON $ACTION")
+    BODY=$(echo "$BRIGHTNESS%")
+    notify "$TITLE" "$BODY"
+}
+
+
+case $ACTION in
+    set)
+        set_brightness $2
+        ;;
+    kb_set)
+        set_kb_brightness $2
+        ;;
+    *)
+        echo "Unknown action"
+        exit 1
+        ;;
+esac
+