https://gnome.pages.gitlab.gnome.org/gtk/gdk4/class.GrabBrokenEvent.html
Gdk.GrabBrokenEvent
Reference for Gdk.GrabBrokenEvent
gdk
https://lazka.github.io/pgi-docs/Gdk-4.0/classes/GrabBrokenEvent.html
Gdk.GrabBrokenEvent - Classes - Gdk 4.0
gdkclasses