Overhaul input docs
https://developer.gnome.org/gtk4/stable/chap-input-handling.html is very sparse, has no code examples and mentions a few outdated concepts (e.g. the touch events?).
https://developer.gnome.org/gtk4/stable/chap-input-handling.html is very sparse, has no code examples and mentions a few outdated concepts (e.g. the touch events?).