: Xfreeh is designed to be cost-effective, eliminating the need for expensive cables and adapters. Moreover, its high efficiency and scalability make it an attractive option for large-scale applications.

| X11 Protocol / Event | xfreeh Action | |----------------------|----------------| | XCB_GRAB_KEYBOARD | Start timer; if exceeds LIBERATION_TIMEOUT , ungrab. | | XCB_FOCUS_IN | Record focus timestamp + source (Normal/Grab/Pointer). | | _NET_ACTIVE_WINDOW | Evaluate against focus policy; may discard or delay. | | XCB_MAP_REQUEST | Check against exclusion zones; adjust geometry if needed. | | XCB_KEY_PRESS (escape chord) | Force ungrab all, unset fullscreen on top window, warp pointer to safe region. |

| User scenario | xfreeh solution | |---------------|----------------| | Electron app opens a modal that steals focus while typing | Focus Policer discards _NET_ACTIVE_WINDOW during typing burst. | | Video game in Wine grabs keyboard and won't let go | Escape chord kills grab; game continues running but now receives no input (user can kill via WM). | | Popup from background terminal covers panel | Region Lock forces popup to map below panel height. | | Broken screensaver grabs pointer | Grab Monitor auto‑releases after timeout. |