Keyboard focusing on embed
Embedded window seems to get the second-to-last window size?
Per-embedded window surfaces
Resizing the embedded window to something small when it is deactivated

OS_MESSAGE_EMBEDDED_WINDOW_ADDED		uint64_t id
OS_MESSAGE_EMBEDDED_WINDOW_REMOVED		uint64_t id
OS_MESSAGE_EMBEDDED_WINDOW_TITLE_CHANGED	uint64_t id

OSEmbeddedWindowActivate	OSHandle container, uint64_t id
OSEmbeddedWindowRemove		OSHandle container, uint64_t id
OSEmbeddedWindowGetTitle	OSHandle container, uint64_t id, char buffer[256]
OSEmbeddedWindowSetContainer	OSHandle oldContainer, uint64_t id, OSHandle newContainer



PROTOTYPE NETWORKING API

struct OSServer {
	OSGeneric context;
};

struct OSConnection {
	const char *address;
	OSGeneric context;
};

OSServer *OSServerCreate(int port, uint64_t flags, OSGeneric context);
void OSServerDestroy(OSServer *server);

void OSConnectionCreate(const char *address, int port, uint64_t flags, OSGeneric context);
void OSConnectionDestroy(OSConnection *connection);
size_t OSConnectionWrite(OSConnection *connection, const void *data, size_t bytes);
void OSConnectionSetTimeout(OSConnection *connection, int timeoutSeconds);

OS_MESSAGE_NEW_CONNECTION		OSConnection *connection
OS_MESSAGE_RECEIVE_DATA			OSConnection *connection, const void *data, size_t bytes
OS_MESSAGE_CONNECTION_CLOSED		OSConnection *connection, OSConnectionClosed reason
OS_MESSAGE_WRITE_BUFFER_EMPTY		OSConnection *connection