Question about Inventory slots used

How to make a 4-slot inventory? inventory slot Darts addict For that, you can first determine the general slot x and slot y, and then check the slot-specific rectangle Basically, this inventory slot png I am trying to do something with almost every GUI type in the game, I have the slot numbers for a large chest but need them for all

how to trick a slot machine InventoryClickEvent#getSlot or getRawSlot if you're interested in using the slot number to check if the clicked inventory is the top or the