Recently I’ve been busy learning the esoteric editor called Vim and figured out my laptop’s touchpad is causing nuisance when you’re working with the keyboard only—which is the whole point of using Vim. At the same time, some programs are nearly unusable without the mouse. In other words, I wanted to be able to switch the touchpad on and off—with the keyboard, of course.
Some laptops have a special key combination for it, but my Dell XPS 13" doesn’t. Ubuntu also provides a switch in the Control Center, but it’s hardly reachable without the mouse: