I want to make CarPC on RPi. How to implement a GUI?

Question

linux

I plan to implement several components:

• navigation, most likely Google Maps
  
• video recorder
  
• displaying data from the machine's computer via ODB II
  
• GPS tracking to display in phone app
  
• play mp3 from phone via bluetooth
  
• playing online radio
  
• video display from the rear view camera
  

I plan to use an encoder or a joystick as input devices. I will most likely connect the monitor via hdmi in order to reserve more GPIO pins on the RPi Zero W for expansion.
So far, I don’t really understand how to correctly implement a graphical interface so that there is a main screen with applications. Would it be right to take some lightweight window manager like Enlightenment as a basis and customize it (remove unnecessary menus, write your own template for windows, etc.)?
I want to immediately make a correct implementation, so that if it works out well, I can share the source code and replicate it :)

Answer 1

It is best to use this library for python -
https://wiki.python.org/moin/TkInter

Answer 2

you don’t need a car ...
do it better in a “smart home”
there are more places and there are no problems with food.

Answer 3

You can also write graphics on Qt!