Is there a way to highlight (with some sort of indicator) the last active window in the Gnome launcher?

Suppose this is my launcher, and I have just used the Terminal. I'm wondering if there is a way to highlight it as the last active one, to differentiate it from the rest of the windows:

So the result would be something like this:

_{I'm completely new to Ubuntu and Ask Ubuntu, so please let me know if this question needs to be edited.}