"" Unpleasant side effects result, such as being unable to use the volume keys when a screensaver is active, and being unable to trigger the screensaver when a menu is open on the screen. With Wayland, in contrast, the application tells the server that a frame is a pop-up and lets the compositor decide how to handle it. Yes, he said, it is possible that someone would write a bad compositor that would mishandle such a pop-up—but that is true today as well. Window managers are also complex today; the solution is to not run the bad ones. ""
In the world of FLAT LCDs today there is no need for "screensavers" because there isn't any need to save the screens... put the desktop environment displaying a full screen slide show...
But i understand, its a real pain if you have to leave in a hurry for some reason and the "lock" doesn't trigger and all the "colleagues" know that you have been searching porn in the Internet... instead of cleaning up and document some hard bit** piece of code... lol