View the waveform of an audio in the preview

Hi, I would like if when you put an audio into the project preview, you can actually see the audio waveform.
What I basically mean is that if you put an audio into the preview, so that you can cut it, and then put in the playlist or timeline, you can also see the audio waveform, so you can cut easily without losing any part of the audio.

I edited a screenshot so that you know what I mean: