(I'm trying to remember whether it also steals keystrokes from other applications in which the user might be typing, as pop-up dialogs usually do, but I don't know how to trigger this behavior right now.)
Yes it does - I've been caught more than once with the way I have Xubuntu set up - that I've just happened to click the mouse at the same as the pop-up appears - result was a rebooting machine.
(I'm trying to remember whether it also steals keystrokes from other applications in which the user might be typing, as pop-up dialogs usually do, but I don't know how to trigger this behavior right now.)
Yes it does - I've been caught more than once with the way I have Xubuntu set up - that I've just happened to click the mouse at the same as the pop-up appears - result was a rebooting machine.