XFocusChangeEvent(3x) on Linux
The text 0f7f58f618ce, as Debian 3.1 (Sarge) shipped it. The page shows this text now.
FocusIn and FocusOut event structure
The text 0f7f58f618ce, as Debian 3.1 (Sarge) shipped it. The page shows this text now.
FocusIn and FocusOut event structure