Precise GUI Component Placement

In the GUI mod element in mcreator 1.7.9 you can see all the non-slot components and their location in the GUI. My idea is to be able to change its location here too for precise placement of GUI components by changing its x and y coordinates, if possible it would be ideal if you could also see inventory slots in this list too and have precise placement for them too. You could even add a new column in the list to show the inventory they are connected to.