Idea:1st click on Icon --- start daemon via sсript + change icon
2nd click on Icon --- stop daemon via sсript + change icon
Implementation:
Implementation:
0) sudo mkdir /scripts
1) sudo nano /scripts/serv_http.sh
2) sudo chmod +x /scripts/serv_http.sh
3) add to xfce-panel xfce4-quicklauncher-plugin
4) add any new item to xfce4-quicklauncher-plugin's items-list
5) edit previously added item
------- name: any desired name
------- command: sudo /scripts/serv_http.sh %k
------- icon: notification-audio-play
6) sudo visudo
7) save and enjoy
P.S.
You can use desktop-file-edit --set-icon="iconName" "$filename" from desktop-file-utils instead of sed -i