Used on X to send focus to the appropriate child window when requested by the window manager.
Normally returns its own nested window. Can also return another child or null to revert to the parent if you override it in a child class.
See Implementation
Added April 2, 2022 (dub v10.8)
Used on X to send focus to the appropriate child window when requested by the window manager.
Normally returns its own nested window. Can also return another child or null to revert to the parent if you override it in a child class.