grab(3tk) on Linux
The text 0251ad8849e7, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
Confine pointer and keyboard events to a window sub-tree
The text 0251ad8849e7, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie) shipped it.
Confine pointer and keyboard events to a window sub-tree