Const
Focus Event Mode is a mode that determines whether the terminal reports focus and blur events.
The terminal sends the following encoding:
CSI I // Focus InCSI O // Focus Out Copy
CSI I // Focus InCSI O // Focus Out
https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-Focus-Tracking
Focus Event Mode is a mode that determines whether the terminal reports focus and blur events.
The terminal sends the following encoding: