Module xwayland 

XWayland Compatibility Layer

Provides the socket infrastructure and window mapping for running X11 applications via XWayland on VeridianOS. Full X11 server implementation is deferred to Phase 8; this module establishes the correct architecture and provides the bridge between X11 window IDs and Wayland surface IDs.

Architecture

XWayland runs as a child process of the compositor, speaking the X11 protocol over a Unix socket pair. It creates Wayland surfaces for each X11 window and forwards input events.

X11 Client -> XWayland Process -> Wayland Compositor
                  |                     |
             X11 protocol          Wayland protocol
             (/tmp/.X11-unix/X0)   (kernel syscalls)

Current Status

This is a stub implementation that:

• Creates the X11 socket directory structure
• Manages X11-to-Wayland window ID mappings
• Provides the XWayland server lifecycle (start/stop)
• Logs operations for debugging

Actual X11 protocol handling requires Phase 8.

Structs

X11WindowMapping

Maps an X11 window to a Wayland compositor surface.

XWaylandServer

XWayland compatibility server.

Enums

X11Event

Simplified X11 event for the compatibility layer.

XWaylandState

State of the XWayland server process.

Constants

DEFAULT_DISPLAY

Default X11 display number

MAX_DISPLAY

Maximum display number we will try

X11_LOCK_DIR

X11 lock file directory

X11_SOCKET_DIR

X11 socket directory