How to display full rom filename in the view style ?

Hi !
I'm using ckau-book theme with the detailed list view style.
It's almost perfect expect it doesn't show the full name of the roms and I was wondering if I could use a tweak or something to add that feature.
But I don't know how to do it. I don't even know where to start  

So, basically I want to go from this :


To something like this :


I made a mistake in my mockup, I mixed up donpachi and dodonpachi but I hope you get the idea