Show QR code for selected about screen entries on control panel

src/freedombone-controlpanel

@@ -331,7 +331,20 @@ function show_domains {
     height=$(tput lines)
 
     # shellcheck disable=SC2068
-    dialog --backtitle $"Freedombone Control Panel" --title $"Domains" --menu $"Use Shift+cursors to select and copy onion addresses" $((height-4)) $((width-4)) $((height-4)) "${W[@]}" 3>&2 2>&1 1>&3
+    selected=$(dialog --backtitle $"Freedombone Control Panel" --title $"Domains" --menu $"Use Shift+cursors to select and copy onion addresses" $((height-4)) $((width-4)) $((height-4)) "${W[@]}" 3>&2 2>&1 1>&3)
+    if [[ "$selected" != *'.onion'* ]]; then
+        return
+    fi
+    intermediate=$(echo "$selected" | awk -F '.' '{print $2}')
+    if [[ "$intermediate" == *'/'* ]]; then
+        onion_addr=$(echo "$intermediate" | awk -F ' ' '{print $3}').onion
+    else
+        onion_addr="$selected".onion
+    fi
+    clear
+    echo "$onion_addr"
+    echo -n "$onion_addr" | qrencode -t UTF8
+    any_key
 }
 
 function show_users {