remove all decorators before dealing with the user input
place the cursor next to the number, if it is in front/behind the decorator, so you no longer have to move the cursor to this position manually to be able to edit the number
create an own function for input validation and use its result for some basic error messages, so the user gets a better idea what's going wrong
make it possible to add some custom styles to an alert message, if you display it and use this to make error messages red
Limit the input field for a custom item name to 28 chars, because it will get cut off at this point anyway and add an error message, if you try to enter more than 28 chars.
input field of the number wheel:
Limit the input field for a custom item name to 28 chars, because it will get cut off at this point anyway and add an error message, if you try to enter more than 28 chars.