You need to add POS page to woocommerce as a plugin. Check screenshot "Default-POS".
This will be default page when login with products and categories of woocommerce
to be displayed on left side of the page and right shide woocommerce empty cart.
We will be using complete woocommerce functionality itself.
Screenshot " Products-add " when click on " + " the products will be added to cart
and if press second time quantity will be increased based on click on "+".
Price quantity are editable. There will be " Fee and shipping " button when click
appear in cart where we can edit the " product text ".
Other options - search customer- Assign sale to existing customer
Void - cancel order
Note - Note mention with order
Discount - For discount
Coupon - Coupons
All the above functionality to be taken from woocoomerce cart page. We need to change the interface dont have to do functionality part.
Screenshot " POS-Pay "
Here all merchant details will be shouwn when click on checkout. You need to take this
also from woocommerce merchant account from woccommerce cart. Just changing the look
of the cart only one functionality to be added
When we click on " cash / amount tendered " alphabetical keyboard should appear and
the cashier should be able to iput the amount paid by customer and once done and
press return , it should show the balance amount to be given back to the customer.
Note : Apart from cash amount calculator all other functionalities we need to take from
woocommerce cart and just change the design of the cart.