Add battery plugin

plugins/battery.sh

@@ -0,0 +1,26 @@
+function wish_battery_start() {
+	return 0
+}
+
+function wish_battery_end() {
+	return 0
+}
+
+function wish_battery_set_colors() {
+	WISH_BATTERY_FG=${WISH_BATTERY_FG:-$WISH_DEFAULT_FG}
+	WISH_BATTERY_BG=${WISH_BATTERY_BG:-$WISH_DEFAULT_BG}
+	WISH_BATTERY_ID=${WISH_BATTERY_ID:-BAT0}
+	WISH_BATTERY_CHARGING=${WISH_BATTERY_CHARGING:-⌁}
+	WISH_BATTERY_DISCHARGING=${WISH_BATTERY_DISCHARGING:-⏚}
+}
+
+function wish_battery_main() {
+	local path=/sys/class/power_supply/$WISH_BATTERY_ID
+	local battery=$(($(cat $path/charge_now) * 100 / $(cat $path/charge_full)))%
+	if [[ $(cat $path/status) == "Charging" ]]; then
+		battery="$WISH_BATTERY_CHARGING $battery"
+	else
+		battery="$WISH_BATTERY_DISCHARGING $battery"
+	fi
+	wish_append $WISH_BATTERY_BG $WISH_BATTERY_FG " $battery "
+}