Add a configs class and get the print values based on the configs.
Hook up changing the config values via left/right clicks + ctrl/shift.

Usage:
 - Left click to increase by one (or the smallest increment)
 - Right click to decrease
 - CTRL + click to change by ten times the smallest increment
 - SHIFT + click to change by 100 times the smallest increment
 - CTRL + SHIFT + click to change by 1000 times the smallest increment