TPT right now has fixed Zoom by pressing one time 'z' button and it stays at specified clicked location to manipulate elements but i suggest second type of zoom in next updates by pressing two times 'z' button, example, that follows mouse cursor(same like when holding z without clicking) and not require specify location and allows manipulate what is on screen at same time. If it is possible.
That shouldn't be too difficult to implement, I might add this to my mod
Edit: I added it. Check it out here:
I can't control what goes in the official version, but having it in a mod shows the developers what it would be like to have it so that they can consider putting it in themselves. It will be included in my mod in the next release
If it is implemented, I hope that it wouldn't replace the fixed zoom, but would be a second option -- maybe Alt-Z for the moveable. Both modes have advantages.
Oh well, I guess now users of Cyens Toy have 2 ways to do it, like how there are two ways to sample particles, change brush size, etc