I have a command that takes time, I would like to know what is the best option to give progress indication of the action to the final user.
The command is blocking the UI and I couldn't find yet a way to give some kind of feedback to the user.
I've had a similar thought lately. I believe NSProgressIndicator is the native component to use, if you want to go with a native approach. Out of curiosity, I searched Github for its use in existing plugins and got a couple hits, might be a good starting point...
I wrote a little thing like this in the past:
I should make that a gist.
Looks like this