copy vpn ip when clicking on its icon in xfce taskbar

relies on xclip , updated tooltip to quickly give usage of the feature.

I'm doing the OSCP and I need to copy my vpn ip every 5 minutes, 
I think it would be useful to other pentesters.

share/kali-themes/xfce4-panel-genmon-vpnip.sh

@@ -6,8 +6,13 @@ ip="$(ip a s "${interface}" 2>/dev/null \
 
 if [ "${ip}" != "" ]; then
   printf "<icon>network-vpn-symbolic</icon>"
+  printf "<iconclick>bash -c 'printf ${ip} | xclip -selection clipboard'</iconclick>"
   printf "<txt>${ip}</txt>"
-  printf "<tool>VPN IP</tool>"
+  if command -v xclip; then
+      printf "<tool>VPN IP (click icon to copy)</tool>"
+  else
+      printf "<tool>VPN IP (install xclip to copy to clipboard)</tool>"
+  fi
 else
   printf "<txt></txt>"
 fi