update settings

.config/waybar/scripts/mem-swap.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/bash
+
+set -euo pipefail
+
+mode="${1:-status}"
+
+read -r mem_total mem_used swap_total swap_used <<EOF
+$(free -b | awk '
+    /^Mem:/  { mem_total=$2; mem_used=$3 }
+    /^Swap:/ { swap_total=$2; swap_used=$3 }
+    END { printf "%s %s %s %s\n", mem_total, mem_used, swap_total, swap_used }
+')
+EOF
+
+format_bytes() {
+    numfmt --to=iec-i --suffix=B --format='%.1f' "$1"
+}
+
+mem_used_h="$(format_bytes "$mem_used")"
+mem_total_h="$(format_bytes "$mem_total")"
+mem_pct="$(awk -v used="$mem_used" -v total="$mem_total" 'BEGIN { if (total > 0) printf "%.1f", (used/total)*100; else print "0.0" }')"
+
+if [[ "$swap_total" -gt 0 ]]; then
+    swap_used_h="$(format_bytes "$swap_used")"
+    swap_total_h="$(format_bytes "$swap_total")"
+    swap_pct="$(awk -v used="$swap_used" -v total="$swap_total" 'BEGIN { if (total > 0) printf "%.1f", (used/total)*100; else print "0.0" }')"
+else
+    swap_used_h="0.0B"
+    swap_total_h="0.0B"
+    swap_pct="0.0"
+fi
+
+case "$mode" in
+    ram)
+        notify-send "RAM usage" "${mem_used_h} / ${mem_total_h} (${mem_pct}%)"
+        ;;
+    swap)
+        if [[ "$swap_total" -gt 0 ]]; then
+            notify-send "Swap usage" "${swap_used_h} / ${swap_total_h} (${swap_pct}%)"
+        else
+            notify-send "Swap usage" "Swap is disabled"
+        fi
+        ;;
+    status)
+        if [[ "$swap_total" -gt 0 ]]; then
+            tooltip="Left click: RAM (${mem_used_h}/${mem_total_h}, ${mem_pct}%)\nRight click: Swap (${swap_used_h}/${swap_total_h}, ${swap_pct}%)"
+        else
+            tooltip="Left click: RAM (${mem_used_h}/${mem_total_h}, ${mem_pct}%)\nRight click: Swap (disabled)"
+        fi
+
+        printf '{"text":"","tooltip":"%s"}\n' "$tooltip"
+        ;;
+esac